CN101673526A - liquid crystal display device and related driving method - Google Patents
- ️Wed Mar 17 2010
CN101673526A - liquid crystal display device and related driving method - Google Patents
liquid crystal display device and related driving method Download PDFInfo
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- CN101673526A CN101673526A CN200910179783A CN200910179783A CN101673526A CN 101673526 A CN101673526 A CN 101673526A CN 200910179783 A CN200910179783 A CN 200910179783A CN 200910179783 A CN200910179783 A CN 200910179783A CN 101673526 A CN101673526 A CN 101673526A Authority
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- display area
- drive
- liquid crystal
- display
- gate lines Prior art date
- 2009-10-19 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
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Abstract
液晶显示装置依据预定周期切换两组栅极驱动电路，通过分时启动的方式，在显示一画面时仅开启两组栅极驱动电路其中之一。两组栅极驱动电路可设置于栅极线的同一侧，或是分别设置于栅极线的两对向侧。切换栅极驱动电路的预定周期可为每隔一个画面进行切换，或是隔数个画面进行切换。
The liquid crystal display device switches two sets of gate drive circuits according to a predetermined cycle, and only one of the two sets of gate drive circuits is turned on when displaying a picture by time-sharing startup. The two sets of gate drive circuits can be arranged on the same side of the gate line, or respectively arranged on two opposite sides of the gate line. The predetermined cycle for switching the gate drive circuit can be switching every other picture, or switching every several pictures.
Description
Technical field
The present invention is relevant to a kind of liquid crystal indicator and drive method thereof, refers to a kind of liquid crystal indicator and drive method thereof that utilizes many group circuit to come timesharing to drive especially.
Background technology
LCD (liquid crystal display, LCD) have low radiation, volume is little and advantage such as low power consuming, replace traditional cathode-ray tube (CRT) (cathode ray tube display gradually, CRT) display, thereby be widely used in notebook computer, personal digital assistant (personaldigital assistant, PDA), flat-surface television, or on the information products such as mobile phone.The mode of conventional liquid crystal is to utilize the external drive chip to drive pixel on the panel with display image, but in order to reduce component number and to reduce manufacturing cost, the structure that develops into gradually in recent years driving circuit directly is made on the display panel, for example use gate driver circuit (gate driver) is integrated in liquid crystal panel (gate on array, technology GOA).
Please refer to Fig. 1, Fig. 1 is the simplification block schematic diagram of a liquid crystal indicator 700 in the prior art.Fig. 1 has only shown the part-structure of liquid crystal indicator 700, comprises many gate lines G L (1)～GL (N), a
gate driver circuit10 and time schedule controller (timing controller) 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of liquid crystal indicator 700, can drive pixel according to gate drive signal GS (1)～GS (N) respectively.
Gate driver circuit10 is located in the
non-display area40 of liquid crystal indicator 700, it comprises multistage displacement temporary storage unit SR (1)～SR (N), can export gate drive signal GS (1)～GS (N) to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST (1) and clock signal C K, the XCK that
time schedule controller20 is produced, wherein N is a positive integer.Liquid crystal indicator 700 adopts the framework of monolateral layout single-ended drive, that is
gate driver circuit10 is sides that are arranged at gate lines G L (1)～GL (N), and comes driving grid line GL (1) from the same side～GL (N).
Please refer to Fig. 2, Fig. 2 is the sequential chart of liquid crystal indicator 700 when running of prior art.When driving liquid crystal indicator 700, first order displacement temporary storage unit SR (1) exports first order gate drive signal GS (1) according to the initial pulse signal VST (1) that
time schedule controller20 is produced, and the second level to the N level displacement temporary storage unit SR (2)～SR (N) then exports the second level to the N level gate drive signal GS (2)～GS (N) according to initial pulse signal VST (2)～VST (N) that previous stage displacement temporary storage unit SR (1)～SR (N-1) is produced respectively.Fig. 2 has illustrated liquid crystal indicator 700 in showing a plurality of pictures when two adjacent picture F (N) and F (N+1), the sequential chart of initial pulse signal VST (1)～VST (N).
LCD generally use no crystal silicon (amorphous silicon, a-Si) processing procedure make thin film transistor (TFT) in each displacement temporary storage unit (thin film transistor, TFT).The electrical characteristics of thin film transistor (TFT) are relevant to the stress of its grid voltage, and the time that applies grid voltage is long more, and the electrical characteristics deterioration situation of thin film transistor (TFT) is serious more, so can reduce the term of life and the fiduciary level of LCD.
Summary of the invention
The invention provides a kind of liquid crystal indicator, comprise the viewing area, which is provided with N bar gate line parallel to each other, wherein N is a positive integer; First non-display area and second non-display area lay respectively at two subtends of this viewing area; First driving circuit, it operates according to first group of control signal, this first driving circuit is located in this first non-display area and is comprised first displacement temporary storage unit of N level serial connection, wherein a n level first displacement temporary storage unit is used for driving in this N bar gate line a corresponding n bar gate line showing first picture in a plurality of pictures in this N level first displacement temporary storage unit, and n is the positive integer that is not more than N; And second driving circuit, it operates and comprises second displacement temporary storage unit of N level serial connection according to second group of control signal, wherein a n level second displacement temporary storage unit is used for driving this n bar gate line to show second picture that is connected in these a plurality of pictures behind this first picture in this N level second displacement temporary storage unit.
The present invention also provides a kind of liquid crystal indicator, comprises a viewing area, which is provided with many gate lines parallel to each other; One first non-display area and one second non-display area lay respectively at two subtends of this viewing area; One first driving circuit, be located in this first non-display area and and operate according to one first group of control signal, this first driving circuit comprises first displacement temporary storage unit of multi-stage serial connection, is used for driving in these many gate lines corresponding odd number bar gate line respectively to show one first picture in a plurality of pictures; One second driving circuit, be located in this second non-display area and and operate according to one second group of control signal, this second driving circuit comprises second displacement temporary storage unit of multi-stage serial connection, is used for driving in these many gate lines corresponding even number bar gate line respectively to show this first picture; One the 3rd driving circuit, it operates and comprises the 3rd displacement temporary storage unit of multi-stage serial connection according to one the 3rd group of control signal, is used for driving this corresponding odd number bar gate line respectively to show one second picture that is connected in these a plurality of pictures behind this first picture; And the moving circuit of a 4 wheel driven, one the 4th group of control signal of its foundation operates and comprises the 4th displacement temporary storage unit of multi-stage serial connection, is used for driving this corresponding even number bar gate line respectively to show this second picture.
The present invention also provides a kind of liquid crystal indicator, comprises a viewing area, which is provided with N bar gate line parallel to each other, and wherein N is a positive integer; One first non-display area and one second non-display area lay respectively at two subtends of this viewing area; One first driving circuit, be located in this first non-display area and and operate according to one first group of control signal, this first driving circuit comprises first displacement temporary storage unit of N level serial connection, is used for driving in this N bar gate line corresponding gate line respectively to show one first picture in a plurality of pictures; One second driving circuit, it operates according to one second group of control signal, and this second driving circuit comprises second displacement temporary storage unit of N level serial connection, is used for driving corresponding this N bar gate line respectively to show this first picture; One the 3rd driving circuit, be located in this first non-display area and and operate according to one the 3rd group of control signal, the 3rd driving circuit comprises the 3rd displacement temporary storage unit of N level serial connection, is used for driving corresponding this N bar gate line respectively to show one second picture that is connected in these a plurality of pictures behind this first picture; And the moving circuit of a 4 wheel driven, be located in this second non-display area and and operate according to one the 4th group of control signal, the moving circuit of this 4 wheel driven comprises the 4th displacement temporary storage unit of N level serial connection, is used for driving corresponding this N bar gate line respectively to show this second picture.
The present invention also provides a kind of liquid crystal indicator, comprises a viewing area, which is provided with many gate lines parallel to each other; One first non-display area and one second non-display area lay respectively at two subtends of this viewing area; One first driving circuit, be located in this first non-display area and and operate according to one first group of control signal, this first driving circuit comprises first displacement temporary storage unit of multi-stage serial connection, is used for driving in these many gate lines corresponding odd number bar gate line respectively to show one first picture in a plurality of pictures; One second driving circuit, be located in this first non-display area and and operate according to one second group of control signal, this second driving circuit comprises second displacement temporary storage unit of multi-stage serial connection, is used for driving in these many gate lines corresponding even number bar gate line respectively to show this first picture; One the 3rd driving circuit, be located in this second non-display area and and operate according to one the 3rd group of control signal, the 3rd driving circuit comprises the 3rd displacement temporary storage unit of multi-stage serial connection, is used for driving this corresponding odd number bar gate line respectively to show one second picture that is connected in these a plurality of pictures behind this first picture; And the moving circuit of a 4 wheel driven, be located in this second non-display area and and operate according to one the 4th group of control signal, the moving circuit of this 4 wheel driven comprises the 4th displacement temporary storage unit of multi-stage serial connection, is used for driving this corresponding even number bar gate line respectively to show this second picture.
The present invention also provides a kind of driving method of liquid crystal indicator, comprises with one first driving circuit to drive a gate line to show one first picture in a plurality of pictures; And close this first driving circuit and drive this gate line to show one second picture that is connected in these a plurality of pictures behind this first picture with one second driving circuit.
Description of drawings
Fig. 1 is the simplification block schematic diagram of a liquid crystal indicator in the prior art.
Fig. 2 is the sequential chart of liquid crystal indicator when running of Fig. 1.
Fig. 3 is the simplification block schematic diagram of a liquid crystal indicator in the first embodiment of the invention.
Fig. 4 is the simplification block schematic diagram of a liquid crystal indicator in the second embodiment of the invention.
Fig. 5 is the sequential chart of liquid crystal indicator when operating of the present invention first and second embodiment.
Fig. 6 is the simplification block schematic diagram of a liquid crystal indicator in the third embodiment of the invention.
Fig. 7 is the simplification block schematic diagram of a liquid crystal indicator in the fourth embodiment of the invention.
Fig. 8 is the simplification block schematic diagram of a liquid crystal indicator in the fifth embodiment of the invention.
Fig. 9 is the sequential chart of liquid crystal indicator when operating of the present invention the 3rd to the 5th embodiment.
Figure 10 is the simplification block schematic diagram of a liquid crystal indicator in the sixth embodiment of the invention.
Figure 11 is the sequential chart of liquid crystal indicator when running of sixth embodiment of the invention.
[main element label declaration]
20 time schedule controller GL (1)～GL (N) gate line
30
viewing areas40,40L, 40R non-display area
10,11,10A, 10A ', 10B, 10B ' gate driver circuit
100,200,300,400,500,600,700 liquid crystal indicators
SR (1), SR (2), SR (N), SR ' (1), SR ' (2), SR ' (N), SR_A (1), SR_A (2), SR_A (n), SR_A (N), SR_A ' (1), SR_A ' (2), SR_A ' (n), SR_A ' (N), SR_B (1), SR_B (2), SR_B (n), SR_B (N), SR_B ' (1), SR_B ' (2), SR_B ' (n), (N) displacement temporary storage unit of SR_B '
Embodiment
Please refer to Fig. 3, Fig. 3 is the simplification block schematic diagram of a
liquid crystal indicator100 in the first embodiment of the invention.Fig. 3 has only shown the part-structure of
liquid crystal indicator100, comprises many gate lines G L (1)～GL (N), two
gate driver circuits10 and 11, and time schedule controller 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of
liquid crystal indicator100, can drive pixel according to gate drive signal GS (1)～GS (N) respectively.
Gate driver circuit10 is located in the
non-display area40L of
liquid crystal indicator100, it comprises multistage displacement temporary storage unit SR (1)～SR (N), can export gate drive signal GS (1)～GS (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST (1) and clock signal C K, the XCK that
time schedule controller20 is produced;
Gate driver circuit11 is located in the
non-display area40R of
liquid crystal indicator100, it comprises multistage displacement temporary storage unit SR ' (1)～SR ' (N), can export gate drive signal GS (1)～GS (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST ' (1) and clock signal C K ', the XCK ' that
time schedule controller20 is produced.Wherein,
non-display area40L and 40R lay respectively at two subtends of
viewing area30, and N is a positive integer.In Fig. 3, the sign scope of
viewing area30 and
non-display area40L, 40R only for the position of each element is described, does not limit the actual size ratio of each element in the
liquid crystal indicator100 of the present invention.
The
liquid crystal indicator100 of first embodiment of the invention adopts the framework of bilateral layout single-ended drive, and the mode that starts with timesharing drives.In other words,
gate driver circuit10 and 11 is arranged at two subtends of gate lines G L (1)～GL (N) respectively, during a picture F (N), gate drive signal GS (1)～GS (N) provides (being represented by solid arrow) by the
gate driver circuit10 in Fig. 3 left side in showing a plurality of pictures; When demonstration continued afterwards picture F (N+1) of picture F (N), gate drive signal GS (1)～GS (N) provided (being represented by dotted arrow) by the
gate driver circuit11 on Fig. 3 right side.
Please refer to Fig. 4, Fig. 4 is the simplification block schematic diagram of a
liquid crystal indicator200 in the second embodiment of the invention.Fig. 4 has only shown the part-structure of
liquid crystal indicator200, comprises many gate lines G L (1)～GL (N), two
gate driver circuits10 and 11 and time schedule controller 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of
liquid crystal indicator200, can drive pixel according to gate drive signal GS (1)～GS (N) respectively.
Gate driver circuit10 is located in the
non-display area40 of
liquid crystal indicator200, it comprises multistage displacement temporary storage unit SR (1)～SR (N), can export gate drive signal GS (1)～GS (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST (1) and clock signal C K, the XCK that
time schedule controller20 is produced;
Gate driver circuit11 also is located in the
non-display area40 of
liquid crystal indicator200, it comprises multistage displacement temporary storage unit SR ', and (1)～SR ' (N), can export gate drive signal GS (1)～GS (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST ' (1) and clock signal C K ', the XCK ' that
time schedule controller20 is produced, wherein N is a positive integer.In Fig. 4, the sign scope of
viewing area30 and
non-display area40 only for the position of each element is described, does not limit the actual size ratio of each element in the
liquid crystal indicator200 of the present invention.
The
liquid crystal indicator200 of second embodiment of the invention adopts the framework of monolateral layout single-ended drive, and the mode that starts with timesharing drives.In other words,
gate driver circuit10 and 11 all is arranged at the side of gate lines G L (1)～GL (N), and comes driving grid line GL (1) from the same side～GL (N).During a picture F (N), gate drive signal GS (1)～GS (N) provides (being represented by solid arrow) by
gate driver circuit10 in showing a plurality of pictures; When demonstration continued afterwards picture F (N+1) of picture F (N), gate drive signal GS (1)～GS (N) provided (being represented by dotted arrow) by
gate driver circuit11.
Please refer to Fig. 5, Fig. 5 is the
liquid crystal indicator100 of first embodiment of the invention and the sequential chart of
liquid crystal indicator200 when running of second embodiment of the invention.In
gate driver circuit10, first order displacement temporary storage unit SR (1) exports first order gate drive signal GS (1) according to the initial pulse signal VST (1) that
time schedule controller20 is produced, and the second level to the N level displacement temporary storage unit SR (2)～SR (N) then exports the second level to the N level gate drive signal GS (2)～GS (N) respectively according to initial pulse signal VST (2)～VST (N) that previous stage displacement temporary storage unit SR (1)～SR (N-1) is produced respectively; In
gate driver circuit11, first order displacement temporary storage unit SR ' (1) exports first order gate drive signal GS (1) according to the initial pulse signal VST ' (1) that
time schedule controller20 is produced, and initial pulse signal VST ' (2)～VST ' that the second level to the N level displacement temporary storage unit SR ' (2)～SR ' (N) then (N-1) is produced according to previous stage displacement temporary storage unit SR ' (1)～SR ' respectively (N) exports the second level to the N level gate drive signal GS (2)～GS (N).In the
liquid crystal indicator100 and 200 in the present invention, two groups of
gate driver circuits10 and 11 can the alternately opening and closing according to different pictures, and the cycle of alternation switch can be one or more pictures.Suppose in a plurality of pictures between the two adjacent picture F (N) and F (N+1) for switching the time point of
gate driver circuit10 and 11, this moment initial pulse signal VST (1)～VST (N) and VST ' (1)～VST ' sequential chart (N) as shown in Figure 5.
Please refer to Fig. 6, Fig. 6 is the simplification block schematic diagram of a
liquid crystal indicator300 in the third embodiment of the invention.Fig. 6 has only shown the part-structure of
liquid crystal indicator300, comprises many gate lines G L (1)～GL (N), four
gate driver circuit10A, 10B, 10A ' and 10B ', and time schedule controller 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of
liquid crystal indicator300, can drive pixel according to gate drive signal GS (1)～GS (N) respectively.
Gate driver circuit10A is located in the
non-display area40L of
liquid crystal indicator300, it comprises multistage displacement temporary storage unit SR_A (1)～SR_A (n), the initial pulse signal VST_A (1) that can be produced according to
time schedule controller20 and clock signal C KA, XCKA export respectively odd level gate drive signal GS (1), GS (3) ..., GS (N-1) to corresponding odd number bar gate lines G L (1), GL (3) ..., GL (N-1).
Gate driver circuit10B is located in the
non-display area40L of
liquid crystal indicator300, it comprises multistage displacement temporary storage unit SR_B (1)～SR_B (n), the initial pulse signal VST_B (1) that can be produced according to
time schedule controller20 and clock signal C KB, XCKB export respectively even level gate drive signal GS (2), GS (4) ..., GS (N) to corresponding even number bar gate lines G L (2), GL (4) ..., GL (N).
Gate driver circuit10A ' is located in the
non-display area40R of
liquid crystal indicator300, it comprises multistage displacement temporary storage unit SR_A ' (1)～SR_A ' (n), the initial pulse signal VST_A ' (1) that can be produced according to
time schedule controller20 and clock signal C KA ', XCKA ' export respectively odd level gate drive signal GS (1), GS (3) ..., GS (N-1) to corresponding odd number bar gate lines G L (1), GL (3) ..., GL (N-1).
Gate driver circuit10B ' is located in the
non-display area40R of
liquid crystal indicator300, it comprises multistage displacement temporary storage unit SR_B ' (1)～SR_B ' (n), the initial pulse signal VST_B ' (1) that can be produced according to
time schedule controller20 and clock signal C KB ', XCKB ' export respectively even level gate drive signal GS (2), GS (4) ..., GS (N) to corresponding even number bar gate lines G L (2), GL (4) ..., GL (N).Wherein,
non-display area40L and 40R lay respectively at two subtends of
viewing area30, and N and n are positive integer, and the value of N is 2n.In Fig. 6, the sign scope of
viewing area30 and
non-display area40L, 40R only for the position of each element is described, does not limit the actual size ratio of each element in the
liquid crystal indicator300 of the present invention.
The
liquid crystal indicator300 of third embodiment of the invention adopts the framework of bilateral layout single-ended drive, and the mode that starts with timesharing drives.In other words,
gate driver circuit10A and 10B are arranged at the side of gate lines G L (1)～GL (N),
gate driver circuit10A ' and 10B ' are arranged at the opposite side of gate lines G L (1)～GL (N), are arranged at the wherein gate driver circuit of a side of gate lines G L (1)～GL (N) but only can open during display frame.For instance, in showing a plurality of pictures during a picture F (N),
gate driver circuit10A and 10B be for opening, and
gate driver circuit10A ' and 10B ' be for closing, and gate drive signal GS (1)～GS (N) provides (being represented by solid arrow) by
gate driver circuit10A and 10B at this moment; When demonstration continues afterwards picture F (N+1) of picture F (N),
gate driver circuit10A ' and 10B ' are for opening, and
gate driver circuit10A and 10B be for closing, and this moment, gate drive signal GS (1)～GS (N) provided (being represented by dotted arrow) by
gate driver circuit10A ' and 10B '.
Please refer to Fig. 7, Fig. 7 is the simplification block schematic diagram of a liquid crystal indicator 400 in the fourth embodiment of the invention.Fig. 7 has only shown the part-structure of liquid crystal indicator 400, comprises many gate lines G L (1)～GL (N), four
gate driver circuit10A, 10B, 10A ' and 10B ', and time schedule controller 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of liquid crystal indicator 400, can drive pixel according to gate drive signal GS (1)～GS (N) respectively.
Gate driver circuit10A is located in the
non-display area40L of liquid crystal indicator 400, it comprises multistage displacement temporary storage unit SR_A (1)～SR_A (n), the initial pulse signal VST_A (1) that can be produced according to
time schedule controller20 and clock signal C KA, XCKA export respectively odd level gate drive signal GS (1), GS (3) ..., GS (N-1) to corresponding odd number bar gate lines G L (1), GL (3) ..., GL (N-1).
Gate driver circuit10B is located in the
non-display area40R of liquid crystal indicator 400, it comprises multistage displacement temporary storage unit SR_B (1)～SR_B (n), the initial pulse signal VST_B (1) that can be produced according to
time schedule controller20 and clock signal C KB, XCKB export respectively even level gate drive signal GS (2), GS (4) ..., GS (N) to corresponding even number bar gate lines G L (2), GL (4) ..., GL (N).
Gate driver circuit10A ' is located in the
non-display area40R of liquid crystal indicator 400, it comprises multistage displacement temporary storage unit SR_A ' (1)～SR_A ' (n), the initial pulse signal VST_A ' (1) that can be produced according to
time schedule controller20 and clock signal C KA ', XCKA ' export respectively odd level gate drive signal GS (1), GS (3) ..., GS (N-1) to corresponding odd number bar gate lines G L (1), GL (3) ..., GL (N-1).
Gate driver circuit10B ' is located in the
non-display area40L of liquid crystal indicator 400, it comprises multistage displacement temporary storage unit SR_B ' (1)～SR_B ' (n), the initial pulse signal VST_B ' (1) that can be produced according to
time schedule controller20 and clock signal C KB ', XCKB ' export respectively even level gate drive signal GS (2), GS (4) ..., GS (N) to corresponding even number bar gate lines G L (2), GL (4) ..., GL (N).Wherein,
non-display area40L and 40R lay respectively at two subtends of
viewing area30, and N and n are positive integer, and the value of N is 2n.In Fig. 7, the sign scope of
viewing area30 and
non-display area40L, 40R only for the position of each element is described, does not limit the actual size ratio of each element in the liquid crystal indicator 400 of the present invention.
The framework that the liquid crystal indicator 400 of fourth embodiment of the invention adopts bilateral layout both-end to drive, and the mode that starts with timesharing drives.In other words,
gate driver circuit10A and 10A ' are arranged at two subtends of gate lines G L (1)～GL (N) respectively, and
gate driver circuit10B and 10B ' are arranged at two subtends of gate lines G L (1)～GL (N) respectively, but only can respectively open a gate driver circuit in the both sides of gate lines G L (1)～GL (N) during display frame.For instance, in showing a plurality of pictures during a picture F (N),
gate driver circuit10A and 10B be for opening, and
gate driver circuit10A ' and 10B ' be for closing, and gate drive signal GS (1)～GS (N) provides (being represented by solid arrow) by
gate driver circuit10A and 10B at this moment; When demonstration continues afterwards picture F (N+1) of picture F (N),
gate driver circuit10A ' and 10B ' are for opening, and
gate driver circuit10A and 10B be for closing, and this moment, gate drive signal GS (1)～GS (N) provided (being represented by dotted arrow) by
gate driver circuit10A ' and 10B '.
Please refer to Fig. 8, Fig. 8 is the simplification block schematic diagram of a
liquid crystal indicator500 in the fifth embodiment of the invention.Fig. 8 has only shown the part-structure of
liquid crystal indicator500, comprises many gate lines G L (1)～GL (N), four
gate driver circuit10A, 10B, 10A ' and 10B ', and time schedule controller 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of
liquid crystal indicator500, can drive pixel according to gate drive signal GS (1)～GS (N) respectively.
Gate driver circuit10A is located in the
non-display area40L of
liquid crystal indicator500, it comprises multistage displacement temporary storage unit SR_A (1)～SR_A (n), the initial pulse signal VST_A (1) that can be produced according to
time schedule controller20 and clock signal C KA, XCKA export respectively odd level gate drive signal GS (1), GS (3) ..., GS (N-1) to corresponding odd number bar gate lines G L (1), GL (3) ..., GL (N-1).
Gate driver circuit10B is located in the
non-display area40R of
liquid crystal indicator500, it comprises multistage displacement temporary storage unit SR_B (1)～SR_B (n), the initial pulse signal VST_B (1) that can be produced according to
time schedule controller20 and clock signal C KB, XCKB export respectively even level gate drive signal GS (2), GS (4) ..., GS (N) to corresponding even number bar gate lines G L (2), GL (4) ..., GL (N).
Gate driver circuit10A ' is located in the
non-display area40L of
liquid crystal indicator500, it comprises multistage displacement temporary storage unit SR_A ' (1)～SR_A ' (n), the initial pulse signal VST_A ' (1) that can be produced according to
time schedule controller20 and clock signal C KA ', XCKA ' export respectively odd level gate drive signal GS (1), GS (3) ..., GS (N-1) to corresponding odd number bar gate lines G L (1), GL (3) ..., GL (N-1).
Gate driver circuit10B ' is located in the
non-display area40R of
liquid crystal indicator500, it comprises multistage displacement temporary storage unit SR_B ' (1)～SR_B ' (n), the initial pulse signal VST_B ' (1) that can be produced according to
time schedule controller20 and clock signal C KB ', XCKB ' export respectively even level gate drive signal GS (2), GS (4) ..., GS (N) to corresponding even number bar gate lines G L (2), GL (4) ..., GL (N).Wherein,
non-display area40L and 40R lay respectively at two subtends of
viewing area30, and N and n are positive integer, and the value of N is 2n.In Fig. 8, the sign scope of
viewing area30 and
non-display area40L, 40R only for the position of each element is described, does not limit the actual size ratio of each element in the
liquid crystal indicator500 of the present invention.
The framework that the
liquid crystal indicator500 of fifth embodiment of the invention adopts bilateral layout both-end to drive, and the mode that starts with timesharing drives.In other words,
gate driver circuit10A and 10A ' are arranged at the side of gate lines G L (1)～GL (N),
gate driver circuit10B and 10B ' then are arranged at the opposite side of gate lines G L (1)～GL (N), but only can respectively open a gate driver circuit in the both sides of gate lines G L (1)～GL (N) during display frame.For instance, in showing a plurality of pictures during a picture F (N),
gate driver circuit10A and 10B be for opening, and
gate driver circuit10A ' and 10B ' be for closing, and gate drive signal GS (1)～GS (N) provides (being represented by solid arrow) by
gate driver circuit10A and 10B at this moment; When demonstration continues afterwards picture F (N+1) of picture F (N),
gate driver circuit10A ' and 10B ' are for opening, and
gate driver circuit10A and 10B be for closing, and this moment, gate drive signal GS (1)～GS (N) provided (being represented by dotted arrow) by
gate driver circuit10A ' and 10B '.
Please refer to Fig. 9, Fig. 9 is the
liquid crystal indicator300 of third embodiment of the invention, the liquid crystal indicator 400 of fourth embodiment of the invention and the sequential chart of
liquid crystal indicator500 when running of fifth embodiment of the invention.In
gate driver circuit10A, displacement temporary storage unit SR_A (1) exports first order gate drive signal GS (1) according to the initial pulse signal VST_A (1) that
time schedule controller20 is produced, displacement temporary storage unit SR_A (2)～SR_A (n) then respectively according to initial pulse signal VST_A (2)～VST_A (n) that previous stage displacement temporary storage unit SR_A (1)～SR_A (n-1) is produced export respectively odd level gate drive signal GS (3), GS (5) ..., GS (N-1).In
gate driver circuit10B, displacement temporary storage unit SR_B (1) exports second level gate drive signal GS (2) according to the initial pulse signal VST_B (1) that
time schedule controller20 is produced, displacement temporary storage unit SR_B (2)～SR_B (n) then respectively according to initial pulse signal VST_B (2)～VST_B (n) that previous stage displacement temporary storage unit SR_B (1)～SR_B (n-1) is produced export respectively even level gate drive signal GS (2), GS (4) ..., GS (N).In
gate driver circuit10A ', displacement temporary storage unit SR_A ' (1) exports first order gate drive signal GS (1) according to the initial pulse signal VST_A ' (1) that
time schedule controller20 is produced, initial pulse signal VST_A ' (2)～VST_A ' that displacement temporary storage unit SR_A ' (2)～SR_A ' (n) then (n-1) is produced according to previous stage displacement temporary storage unit SR_A ' (1)～SR_A ' respectively (n) export respectively odd level gate drive signal GS (3), GS (5) ..., GS (N-1).In
gate driver circuit10B ', displacement temporary storage unit SR_B ' (1) exports second level gate drive signal GS (2) according to the initial pulse signal VST_B ' (1) that
time schedule controller20 is produced, initial pulse signal VST_B ' (2)～VST_B ' that displacement temporary storage unit SR_B (2)～SR_B (n) then (n-1) is produced according to previous stage displacement temporary storage unit SR_B ' (1)～SR_B ' respectively (n) export respectively even level gate drive signal GS (4), GS (6) ..., GS (N).In the liquid crystal indicator 300,400 and 500 in the present invention,
gate driver circuit10A/10B and
gate driver circuit10A '/10B ' can the alternately opening and closing according to different pictures, and the cycle of alternation switch can be one or more pictures.Suppose in a plurality of pictures between the two adjacent picture F (N) and F (N+1) for switching the time point of
gate driver circuit10A/10B and
gate driver circuit10A '/10B ', this moment initial pulse signal VST_A (1)～VST_A (n), VST_B (1)～VST_B (n), VST_A ' (1)～VST_A ' (n) and VST_B ' (1)～VST_B ' sequential chart (n) as shown in Figure 9.
Please refer to Figure 10, Figure 10 is the simplification block schematic diagram of a
liquid crystal indicator600 in the sixth embodiment of the invention.Figure 10 has only shown the part-structure of
liquid crystal indicator600, comprises many gate lines G L (1)～GL (N), four
gate driver circuit10A, 10B, 10A ' and 10B ', and time schedule controller 20.Gate lines G L (1)～GL (N) is located in the
viewing area30 of
liquid crystal indicator600, can drive pixel according to gate drive signal GS_A (1)～GS_A (N) and GS_B (1)～GS_B (N) respectively.
Gate driver circuit10A is located in the
non-display area40L of
liquid crystal indicator600, it comprises multistage displacement temporary storage unit SR_A (1)～SR_A (N), can export gate drive signal GS_A (1)～GS_A (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST_A (1) and clock signal C KA, the XCKA that
time schedule controller20 is produced.
Gate driver circuit10B is located in the
non-display area40R of
liquid crystal indicator600, it comprises multistage displacement temporary storage unit SR_B (1)～SR_B (N), can export gate drive signal GS_B (1)～GS_B (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST_B (1) and clock signal C KB, the XCKB that
time schedule controller20 is produced.
Gate driver circuit10A ' is located in the
non-display area40L of
liquid crystal indicator600, it comprises multistage displacement temporary storage unit SR_A ' (1)～SR_A ' (N), can export gate drive signal GS_A (1)～GS_A (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST_A ' (1) and clock signal C KA ', the XCKA ' that
time schedule controller20 is produced.
Gate driver circuit10B ' is located in the
non-display area40R of
liquid crystal indicator600, it comprises multistage displacement temporary storage unit SR_B ' (1)～SR_B ' (N), can export gate drive signal GS_B (1)～GS_B (N) respectively to corresponding gate lines G L (1)～GL (N) according to initial pulse signal VST_B ' (1) and clock signal C KB ', the XCKB ' that
time schedule controller20 is produced.Wherein,
non-display area40L and 40R lay respectively at two subtends of
viewing area30, and N is a positive integer.In Figure 10, the sign scope of
viewing area30 and
non-display area40L, 40R only for the position of each element is described, does not limit the actual size ratio of each element in the
liquid crystal indicator600 of the present invention.
The framework that the
liquid crystal indicator600 of sixth embodiment of the invention adopts bilateral layout both-end to drive, and the mode that starts with timesharing drives.In other words,
gate driver circuit10A and 10B are arranged at two subtends of gate lines G L (1)～GL (N) respectively, and
gate driver circuit10A ' and 10B ' are arranged at two subtends of gate lines G L (1)～GL (N) respectively, can all respectively open a gate driver circuit in the both sides of gate lines G L (1)～GL (N) during display frame.For instance, in showing a plurality of pictures during a picture F (N),
gate driver circuit10A and 10B are for opening, and
gate driver circuit10A ' and 10B ' be for closing, and this moment, gate drive signal GS_A (1)～GS_A (N) and GS_B (1)～GS_B (N) provided (being represented by solid arrow) by
gate driver circuit10A and 10B respectively; When demonstration continues afterwards picture F (N+1) of picture F (N),
gate driver circuit10A ' and 10B ' are for opening, and
gate driver circuit10A and 10B be for closing, and this moment, gate drive signal GS_A (1)～GS_A (N) and GS_B (1)～GS_B (N) provided (being represented by dotted arrow) by
gate driver circuit10A ' and 10B ' respectively.
Please refer to Figure 11, Figure 11 is the sequential chart of
liquid crystal indicator600 when running of sixth embodiment of the invention.In
gate driver circuit10A, displacement temporary storage unit SR_A (1) exports gate drive signal GS_A (1) according to the initial pulse signal VST_A (1) that
time schedule controller20 is produced, and displacement temporary storage unit SR_A (2)～SR_A (N) then exports gate drive signal GS_A (2)～GS_A (N) respectively according to initial pulse signal VST_A (2)～VST_A (N) that previous stage displacement temporary storage unit SR_A (1)～SR_A (N-1) is produced respectively.In
gate driver circuit10B, displacement temporary storage unit SR_B (1) exports gate drive signal GS_B (1) according to the initial pulse signal VST_B (1) that
time schedule controller20 is produced, and displacement temporary storage unit SR_B (2)～SR_B (N) then exports GS_B (2)～GS_B (N) respectively according to initial pulse signal VST_B (2)～VST_B (N) that previous stage displacement temporary storage unit SR_B (1)～SR_B (N-1) is produced respectively.In
gate driver circuit10A ', displacement temporary storage unit SR_A ' (1) exports gate drive signal GS_A (1) according to the initial pulse signal VST_A ' (1) that
time schedule controller20 is produced, and initial pulse signal VST_A ' (2)～VST_A ' that displacement temporary storage unit SR_A ' (2)～SR_A ' (N) then (N-1) is produced according to previous stage displacement temporary storage unit SR_A ' (1)～SR_A ' respectively (N) exports gate drive signal GS_A (2)～GS_A (N) respectively.In
gate driver circuit10B ', displacement temporary storage unit SR_B ' (1) exports gate drive signal GS_B (1) according to the initial pulse signal VST_B ' (1) that
time schedule controller20 is produced, and initial pulse signal VST_B ' (2)～VST_B ' that displacement temporary storage unit SR_B ' (2)～SR_B ' (N) then (N-1) is produced according to previous stage displacement temporary storage unit SR_B ' (1)～SR_B ' respectively (N) exports GS_B (2)～GS_B (N) respectively.In the
liquid crystal indicator600 in the present invention,
gate driver circuit10A/10B and
gate driver circuit10A '/10B ' can the alternately opening and closing according to different pictures, and the cycle of alternation switch can be one or more pictures.Suppose in a plurality of pictures between the two adjacent picture F (N) and F (N+1) for switching the time point of
gate driver circuit10A/10B and
gate driver circuit10A '/10B ', this moment initial pulse signal VST_A (1)～VST_A (N), VST_B (1)～VST_B (N), VST_A ' (1)～VST_A ' (N) and VST_B ' (1)～VST_B ' sequential chart (N) as shown in figure 11.
The present invention utilizes many group gate driver circuits to come the driving grid line in the mode that timesharing starts, and can reduce the grid voltage stress of thin film transistor (TFT) in the displacement temporary storage unit, therefore can increase the term of life and the fiduciary level of LCD.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (18)
1.一种液晶显示装置，包含：1. A liquid crystal display device, comprising: 显示区域，其上设有N条互相平行的栅极线，其中N为正整数；The display area is provided with N gate lines parallel to each other, where N is a positive integer; 第一非显示区域和第二非显示区域，分别位于该显示区域的两对向侧；The first non-display area and the second non-display area are respectively located on two opposite sides of the display area; 第一驱动电路，其依据第一组控制信号来运作，该第一驱动电路设于该第一非显示区域内且包含N级串接的第一移位暂存单元，其中该N级第一移位暂存单元中一第n级第一移位暂存单元用来驱动该N条栅极线中一相对应的第n条栅极线以显示多个画面中的第一画面，且n为不大于N的正整数；及The first drive circuit operates according to the first set of control signals. The first drive circuit is set in the first non-display area and includes N-stages of first shift register units connected in series, wherein the N-stages are first An n-th first shift register unit in the shift register unit is used to drive a corresponding n-th gate line among the N gate lines to display the first frame among the plurality of frames, and n is a positive integer not greater than N; and 第二驱动电路，其依据第二组控制信号来运作且包含N级串接的第二移位暂存单元，其中该N级第二移位暂存单元中一第n级第二移位暂存单元用来驱动该第n条栅极线以显示该多个画面中接续于该第一画面后的第二画面。The second drive circuit operates according to the second set of control signals and includes N stages of second shift register units connected in series, wherein one of the N stages of second shift register units is an nth stage of second shift register units The storage unit is used to drive the nth gate line to display the second frame following the first frame among the plurality of frames. 2.根据权利要求1所述的液晶显示装置，其中该第二驱动电路设于该第一非显示区域内。2. The liquid crystal display device according to claim 1, wherein the second driving circuit is disposed in the first non-display area. 3.根据权利要求1所述的液晶显示装置，其中该第二驱动电路设于该第二非显示区域内。3. The liquid crystal display device according to claim 1, wherein the second driving circuit is disposed in the second non-display area. 4.根据权利要求1所述的液晶显示装置，还包含控制电路，用来产生该第一组和第二组控制信号。4. The liquid crystal display device according to claim 1, further comprising a control circuit for generating the first group and the second group of control signals. 5.一种液晶显示装置，包含：5. A liquid crystal display device, comprising: 显示区域，其上设有多条互相平行的栅极线；a display area, on which a plurality of gate lines parallel to each other are arranged; 第一非显示区域和第二非显示区域，分别位于该显示区域的两对向侧；The first non-display area and the second non-display area are respectively located on two opposite sides of the display area; 第一驱动电路，设于该第一非显示区域内并依据第一组控制信号来运作，该第一驱动电路包含多级串接的第一移位暂存单元，分别用来驱动该多条栅极线中相对应的奇数条栅极线以显示多个画面中的第一画面；The first drive circuit is set in the first non-display area and operates according to the first set of control signals. The first drive circuit includes a multi-stage serial connection of the first shift register unit, which is used to drive the multiple Corresponding odd-numbered gate lines among the gate lines are used to display the first picture among the plurality of pictures; 第二驱动电路，设于该第二非显示区域内并依据第二组控制信号来运作，该第二驱动电路包含多级串接的第二移位暂存单元，分别用来驱动该多条栅极线中相对应的偶数条栅极线以显示该第一画面；The second drive circuit is set in the second non-display area and operates according to the second group of control signals. The second drive circuit includes a multi-stage serial connection of second shift register units, which are respectively used to drive the plurality of Corresponding even-numbered gate lines among the gate lines are used to display the first frame; 第三驱动电路，其依据第三组控制信号来运作且包含多级串接的第三移位暂存单元，分别用来驱动该相对应的奇数条栅极线以显示该多个画面中接续于该第一画面后的第二画面；及The third drive circuit, which operates according to the third group of control signals and includes a third shift register unit connected in series, is used to drive the corresponding odd-numbered gate lines to display successive the second frame following the first frame; and 第四驱动电路，其依据第四组控制信号来运作且包含多级串接的第四移位暂存单元，分别用来驱动该相对应的偶数条栅极线以显示该第二画面。The fourth driving circuit, which operates according to the fourth set of control signals and includes multi-stage serially connected fourth shift register units, is respectively used to drive the corresponding even-numbered gate lines to display the second frame. 6.根据权利要求5所述的液晶显示装置，其中该第三驱动电路被设于该第一非显示区域内，而该第四驱动电路被设于该第二非显示区域内。6. The liquid crystal display device according to claim 5, wherein the third driving circuit is disposed in the first non-display area, and the fourth driving circuit is disposed in the second non-display area. 7.根据权利要求5所述的液晶显示装置，其中该第三驱动电路被设于该第二非显示区域内，而该第四驱动电路被设于该第一非显示区域内。7. The liquid crystal display device according to claim 5, wherein the third driving circuit is disposed in the second non-display area, and the fourth driving circuit is disposed in the first non-display area. 8.根据权利要求5所述的液晶显示装置，还包含控制电路，用来产生该第一组至第四组控制信号。8. The liquid crystal display device according to claim 5, further comprising a control circuit for generating the first group to the fourth group of control signals. 9.一种液晶显示装置，包含：9. A liquid crystal display device, comprising: 显示区域，其上设有N条互相平行的栅极线，其中N为正整数；The display area is provided with N gate lines parallel to each other, where N is a positive integer; 第一非显示区域和第二非显示区域，分别位于该显示区域的两对向侧；The first non-display area and the second non-display area are respectively located on two opposite sides of the display area; 第一驱动电路，设于该第一非显示区域内并依据第一组控制信号来运作，该第一驱动电路包含N级串接的第一移位暂存单元，分别用来驱动该N条栅极线中相对应的栅极线以显示多个画面中的第一画面；The first drive circuit is set in the first non-display area and operates according to the first group of control signals. The first drive circuit includes N stages of first shift register units connected in series, respectively used to drive the N bars a corresponding gate line among the gate lines to display the first frame among the plurality of frames; 第二驱动电路，设于该第二非显示区域内并依据第二组控制信号来运作，该第二驱动电路包含N级串接的第二移位暂存单元，分别用来驱动相对应的该N条栅极线以显示该第一画面；The second drive circuit is set in the second non-display area and operates according to the second group of control signals. The second drive circuit includes N stages of second shift register units connected in series, respectively used to drive the corresponding The N gate lines are used to display the first frame; 第三驱动电路，设于该第一非显示区域内并依据第三组控制信号来运作，该第三驱动电路包含N级串接的第三移位暂存单元，分别用来驱动相对应的该N条栅极线以显示该多个画面中接续于该第一画面后的第二画面；及The third drive circuit is set in the first non-display area and operates according to the third set of control signals. The third drive circuit includes N stages of third shift register units connected in series, respectively used to drive the corresponding The N gate lines are used to display a second frame following the first frame among the plurality of frames; and 第四驱动电路，设于该第二非显示区域内并依据第四组控制信号来运作，该第四驱动电路包含N级串接的第四移位暂存单元，分别用来驱动相对应的该N条栅极线以显示该第二画面。The fourth driving circuit is set in the second non-display area and operates according to the fourth group of control signals. The fourth driving circuit includes N stages of fourth shift register units connected in series, respectively used to drive the corresponding The N gate lines are used to display the second frame. 10.根据权利要求9所述的液晶显示装置，还包含控制电路，用来产生该第一组至第四组控制信号。10. The liquid crystal display device according to claim 9, further comprising a control circuit for generating the first group to the fourth group of control signals. 11.一种液晶显示装置，包含：11. A liquid crystal display device, comprising: 显示区域，其上设有多条互相平行的栅极线；a display area, on which a plurality of gate lines parallel to each other are arranged; 第一非显示区域和第二非显示区域，分别位于该显示区域的两对向侧；The first non-display area and the second non-display area are respectively located on two opposite sides of the display area; 第一驱动电路，设于该第一非显示区域内并依据第一组控制信号来运作，该第一驱动电路包含多级串接的第一移位暂存单元，分别用来驱动该多条栅极线中相对应的奇数条栅极线以显示多个画面中的第一画面；The first drive circuit is set in the first non-display area and operates according to the first set of control signals. The first drive circuit includes a multi-stage serial connection of the first shift register unit, which is used to drive the multiple Corresponding odd-numbered gate lines among the gate lines are used to display the first picture among the plurality of pictures; 第二驱动电路，设于该第一非显示区域内并依据第二组控制信号来运作，该第二驱动电路包含多级串接的第二移位暂存单元，分别用来驱动该多条栅极线中相对应的偶数条栅极线以显示该第一画面；The second drive circuit is set in the first non-display area and operates according to the second group of control signals. The second drive circuit includes a multi-stage series-connected second shift register unit, which is respectively used to drive the multiple Corresponding even-numbered gate lines among the gate lines are used to display the first frame; 第三驱动电路，设于该第二非显示区域内并依据第三组控制信号来运作，该第三驱动电路包含多级串接的第三移位暂存单元，分别用来驱动该相对应的奇数条栅极线以显示该多个画面中接续于该第一画面后的第二画面；及The third drive circuit is set in the second non-display area and operates according to the third group of control signals. The third drive circuit includes a multi-stage series-connected third shift register unit, which is respectively used to drive the corresponding an odd number of gate lines to display a second frame following the first frame among the plurality of frames; and 第四驱动电路，设于该第二非显示区域内并依据第四组控制信号来运作，该第四驱动电路包含多级串接的第四移位暂存单元，分别用来驱动该相对应的偶数条栅极线以显示该第二画面。The fourth driving circuit is set in the second non-display area and operates according to the fourth set of control signals. The fourth driving circuit includes multi-stage serially connected fourth shift temporary storage units, which are respectively used to drive the corresponding The even-numbered gate lines are used to display the second picture. 12.根据权利要求11所述的液晶显示装置，还包含控制电路，用来产生该第一组至第四组控制信号。12. The liquid crystal display device according to claim 11, further comprising a control circuit for generating the first group to the fourth group of control signals. 13.一种液晶显示装置的驱动方法，包含：13. A method for driving a liquid crystal display device, comprising: 以第一驱动电路来驱动一栅极线以显示多个画面中的第一画面；及using the first drive circuit to drive a gate line to display the first frame in the plurality of frames; and 关闭该第一驱动电路并以第二驱动电路来驱动该栅极线以显示该多个画面中接续于该第一画面后的第二画面。The first driving circuit is turned off and the gate line is driven by the second driving circuit to display a second frame following the first frame among the plurality of frames. 14.根据权利要求13所述的驱动方法，还包含：14. The driving method according to claim 13, further comprising: 以该第一驱动电路来驱动该栅极线以显示该多个画面中M个相邻第一画面；以及using the first driving circuit to drive the gate line to display M adjacent first frames in the plurality of frames; and 关闭该第一驱动电路并以该第二驱动电路来驱动该栅极线以显示该多个画面中接续于该M个相邻第一画面后的N个相邻第二画面，其中M和N为正整数。Turning off the first driving circuit and using the second driving circuit to drive the gate line to display N adjacent second frames following the M adjacent first frames in the plurality of frames, wherein M and N is a positive integer. 15.根据权利要求13所述的驱动方法，其中M和N的值相同。15. The driving method according to claim 13, wherein M and N have the same value. 16.根据权利要求13所述的驱动方法，其中该第一和第二驱动电路从该栅极线的同一侧来驱动该栅极线以分别显示该第一和第二画面。16. The driving method according to claim 13, wherein the first and second driving circuits drive the gate line from the same side of the gate line to display the first and second frames respectively. 17.根据权利要求13所述的驱动方法，其中该第一驱动电路从该栅极线的第一侧来驱动该栅极线以显示该第一画面，而该第二驱动电路从该栅极线的第二侧来驱动该栅极线以显示该第二画面。17. The driving method according to claim 13, wherein the first driving circuit drives the gate line from the first side of the gate line to display the first picture, and the second driving circuit drives the gate line from the first side The second side of the line is used to drive the gate line to display the second picture. 18.根据权利要求13所述的驱动方法，其中该第一驱动电路从该栅极线的两侧来驱动该栅极线以显示该第一画面，而该第二驱动电路从该栅极线的两侧来驱动该栅极线以显示该第二画面。18. The driving method according to claim 13, wherein the first driving circuit drives the gate line from both sides of the gate line to display the first picture, and the second driving circuit drives the gate line from both sides of the gate line Both sides of the gate line are driven to display the second picture.
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| CN107516505A (en) * | 2017-10-19 | 2017-12-26 | 京东方科技集团股份有限公司 | Shift register cell and its driving method, gate driving circuit and display panel |
| WO2018161561A1 (en) * | 2017-03-09 | 2018-09-13 | Boe Technology Group Co. , Ltd. | Shift register, driving method thereof, gate driving circuit and display device |
| CN111445828A (en) * | 2020-04-20 | 2020-07-24 | 深圳市华星光电半导体显示技术有限公司 | Display driving circuit and display device |
| CN111613182A (en) * | 2020-05-25 | 2020-09-01 | 武汉华星光电半导体显示技术有限公司 | Display panel, driving method thereof and electronic equipment |
| US11158228B1 (en) | 2020-04-20 | 2021-10-26 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display driving circuit and display device |
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| WO2018161561A1 (en) * | 2017-03-09 | 2018-09-13 | Boe Technology Group Co. , Ltd. | Shift register, driving method thereof, gate driving circuit and display device |
| CN108573667A (en) * | 2017-03-09 | 2018-09-25 | 合肥鑫晟光电科技有限公司 | Shift register cell and its driving method, gate driving circuit and display device |
| US10431143B2 (en) | 2017-03-09 | 2019-10-01 | Boe Technology Group Co., Ltd. | Shift register, driving method thereof, gate driving circuit and display device |
| CN108573667B (en) * | 2017-03-09 | 2019-11-15 | 合肥鑫晟光电科技有限公司 | Shift register cell and its driving method, gate driving circuit and display device |
| CN107516505A (en) * | 2017-10-19 | 2017-12-26 | 京东方科技集团股份有限公司 | Shift register cell and its driving method, gate driving circuit and display panel |
| US10650768B2 (en) | 2017-10-19 | 2020-05-12 | Boe Technology Group Co., Ltd. | Shift register unit and driving method thereof, gate driving circuit and display panel |
| CN111445828A (en) * | 2020-04-20 | 2020-07-24 | 深圳市华星光电半导体显示技术有限公司 | Display driving circuit and display device |
| US11158228B1 (en) | 2020-04-20 | 2021-10-26 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display driving circuit and display device |
| CN111613182A (en) * | 2020-05-25 | 2020-09-01 | 武汉华星光电半导体显示技术有限公司 | Display panel, driving method thereof and electronic equipment |
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| CN101673526B (en) | 2011-08-24 |
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