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CN105760006B - Touch control display apparatus - Google Patents

  • ️Tue Dec 11 2018

Specific embodiment

Fig. 1 and Fig. 2 is please referred to, Fig. 1 is the stereochemical structure for the touch control display apparatus 100 that better embodiment of the present invention provides Schematic diagram, Fig. 2 are diagrammatic cross-section of the Fig. 1 along II-II.

Touch control display apparatus 100 includes cover board 10, the touch-control covered by cover board 10 display structure 20, backlight module 30, frame Body 40 and pressure sensing structure 50.In the present embodiment, cover board 10 shows that structure 20 is bonded as with touch-control by adhesive layer One.

Cover board 10 is made of transparent material, for preventing the impurity such as dust from entering inside touch control display apparatus 100.Cover board 10 Including display area 11 and the non-display area 13 being arranged around display area 11.In the present embodiment, cover board 10 can be Glass substrate or other transparent substrates with high intensity, high rigidity, such as polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (Cyclic Olefin Copolymer, COC) or polyether sulfone (Polyether sulfone, ) etc. PES materials are made.

Touch-control shows that structure 20 includes touch module 21 and display module 23.Touch module 21 is set to cover board 10 and display Between mould group 23.Touch module 21 is used to sense the touch operation of user.Display module 23 is for showing image.In this embodiment party In formula, touch module 21 can be bonded as one by optical cement (not shown) and cover board 10 or display module 23.It can replace at other For in embodiment, it is one that touch module 21, which can be engaged by framework or other fixed structures with cover board 10 and display module 23, Body.

Backlight module 30 is set to side of the display module 23 far from touch module 21.Backlight module 30 include light source 31, Reflector plate 32, light guide plate 34 and optical diaphragm 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by optical diaphragm 36 Lid.Light source 31 is for emitting light.The light that light guide plate 34 is used to issue light source 31 carries out multi-angle diffusion.Reflector plate 32 is used Light guide plate 34 is reflexed in issuing light source 31 and passing through the light that 34 part of light guide plate reflexes on reflector plate 32.Optical diaphragm 36 can be played according to different optical characteristics diffusion, light harvesting and reflection deviation the effects of.In the present embodiment, optical diaphragm 36 can be one of uniformity plate, brightening piece, prismatic lens and combined optical film or combinations thereof, to promote touch-control display dress Set 100 image display quality.The first through hole 321 that multiple edges are opened up with 10 vertical direction of cover board is offered on reflector plate 32. Light source 31 is issued and can be projected to by 321 part of first through hole by the light that 34 part of light guide plate reflexes on reflector plate 32 Pressure sensing structure.

Framework 40 shows structure 20 for carrying touch-control.

Pressure sensing structure 50 is set between backlight module 30 and framework 40.Pressure sensing structure 50 is received by by light Source 31 emits and is projeced into the light on pressure sensing structure 50 by first through hole 321, and is applied to touch-control in external force and shows Pressure size is sensed according to the light flux variations for receiving light when device 100.

Pressure sensing structure 50 includes multiple light shielding parts 51 and light sensing mould group 53.Light shielding part 51 is set to backlight module 30 Between light sensing mould group 53.In the present embodiment, light shielding part 51 connects with backlight module 30 and light sensing mould group 53 respectively Touching.In other embodiments, light shielding part 51 can also be separated at least one of backlight module 30 and light sensing mould group 53 and be set It sets.

Light shielding part 51 is made of elastic light-proof material, is used for shield portions and is emitted by light source 31 and be projected to light sensing The light of mould group 53.Light shielding part 51 by original state elastic deformation and increases light shielding part 51 in light sensing mould under the effect of external force Projected area in group 53, to increase light shielding part 51 to the shielded area for being projected to 53 glazed thread of light sensing mould group;Light shielding part 51 Also restore when external force cancels to original state.The variation sensing for the luminous flux that light sensing mould group 53 receives light by sensing is applied The pressure being added on touch sensing device 100.In the present embodiment, multiple 51 spaced sets of light shielding part.In other implementations In mode, the distance between multiple light shielding parts 51 can be different according to the difference of relative position between cover board 10.Preferably, more A light shielding part 51 can change according to the difference of relative position between cover board 10 in increasing or decreasing, for example, with 10 edge of cover board The distance between multiple light shielding parts 51 being oppositely arranged are greater than between the multiple light shielding parts 51 being oppositely arranged with 10 center of cover board Distance.

Referring to Fig. 3, it is cross-sectional view of the touch control display apparatus 300 along the direction II-II of second embodiment.Touch-control is aobvious Showing device 300 is similar to touch control display apparatus 100, the difference is that: the position of framework 40 and pressure sensing structure 50.Touching Control display device 100 includes cover board 10, the touch-control covered by cover board 10 display structure 20, backlight module 30, framework 40 and pressure Power sensing structure 50.In the present embodiment, cover board 10 shows that structure 20 is bonded as one with touch-control by adhesive layer.

Cover board 10 is made of transparent material, for preventing the impurity such as dust from entering inside touch control display apparatus 300.Cover board 10 Including display area 11 and the non-display area 13 being arranged around display area 11.In the present embodiment, cover board 10 can be Glass substrate or other transparent substrates with high intensity, high rigidity, such as polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (Cyclic Olefin Copolymer, COC) or polyether sulfone (Polyether sulfone, ) etc. PES materials are made.

Touch-control shows that structure 20 includes touch module 21 and display module 23.Touch module 21 is set to cover board 10 and display Between mould group 23.Touch module 21 is used to sense the touch operation of user.Display module 23 is for showing image.In this embodiment party In formula, touch module 21 can be bonded as one by optical cement (not shown) and cover board 10 or display module 23.It can replace at other For in embodiment, it is one that touch module 21, which can be engaged by framework or other fixed structures with cover board 10 and display module 23, Body.

Backlight module 30 is set to side of the display module 23 far from touch module 21.Backlight module 30 include light source 31, Reflector plate 32, light guide plate 34 and optical diaphragm 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by optical diaphragm 36 Lid.Light source 31 is for emitting light.The light that light guide plate 34 is used to issue light source 31 carries out multi-angle diffusion.Reflector plate 32 is used Light guide plate 34 is reflexed in issuing light source 31 and passing through the light that 34 part of light guide plate reflexes on reflector plate 32.Optical diaphragm 36 can be played according to different optical characteristics diffusion, light harvesting and reflection deviation the effects of.In the present embodiment, optical diaphragm 36 can be one of uniformity plate, brightening piece, prismatic lens and combined optical film or combinations thereof, to promote touch-control display dress Set 300 image display quality.The first through hole 321 that multiple edges are opened up with 10 vertical direction of cover board is offered on reflector plate 32. Light source 31 is issued and can be projected to by 321 part of first through hole by the light that 34 part of light guide plate reflexes on reflector plate 32 Pressure sensing structure.

Framework 40 shows structure 20 for carrying touch-control.The second through-hole 41 is offered in framework 40.Second through-hole 41 and One through-hole 321 corresponds.

Pressure sensing structure 50 is set to the side opposite with backlight module 30 of framework 40.Pressure sensing structure 50 receives logical It crosses and is emitted by light source 31 and be projeced by first through hole 321 and the second through-hole 41 light on pressure sensing structure 50, and Pressure size is sensed according to the light flux variations for receiving light when external force is applied to touch control display apparatus 300.

Pressure sensing structure 50 includes multiple light shielding parts 51 and light sensing mould group 53.Light shielding part 51 is set to backlight module 30 Between light sensing mould group 53.In the present embodiment, light shielding part 51 connects with backlight module 30 and light sensing mould group 53 respectively Touching.In other embodiments, light shielding part 51 can also be separated at least one of backlight module 30 and light sensing mould group 53 and be set It sets.

Light shielding part 51 is made of elastic light-proof material, is used for shield portions and is emitted by light source 31 and be projected to light sensing The light of mould group 53.Light shielding part 51 by original state elastic deformation and increases light shielding part 51 in light sensing mould under the effect of external force Projected area in group 53, to increase light shielding part 51 to the shielded area for being projected to 53 glazed thread of light sensing mould group;Light shielding part 51 Also restore when external force cancels to original state.The variation sensing for the luminous flux that light sensing mould group 53 receives light by sensing is applied The pressure being added on touch sensing device 300.In the present embodiment, multiple 51 spaced sets of light shielding part.In other implementations In mode, the distance between multiple light shielding parts 51 can be different according to the difference of relative position between cover board 10.Preferably, more A light shielding part 51 can be according to being inwardly in increasing or decreasing variation by two sides, for example, the multiple screenings being oppositely arranged with 10 edge of cover board The distance between light portion 51 is greater than the distance between the multiple light shielding parts 51 being oppositely arranged with 10 center of cover board.

Referring to Fig. 4, it is cross-sectional view of the touch control display apparatus 400 along the direction II-II of third embodiment.Touch-control is aobvious Showing device 400 is similar to touch control display apparatus 100, the difference is that: pressure sensing structure 60.Touch control display apparatus 400 Structure 20, backlight module 30, framework 40 and two pressure sensing structures are shown including cover board 10, the touch-control covered by cover board 10 60.In the present embodiment, cover board 10 shows that structure 20 is bonded as one with touch-control by adhesive layer.

Cover board 10 is made of transparent material, for preventing the impurity such as dust from entering inside touch control display apparatus 400.Cover board 10 Including display area 11 and the non-display area 13 being arranged around display area 11.In the present embodiment, cover board 10 can be Glass substrate or other transparent substrates with high intensity, high rigidity, such as polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (Cyclic Olefin Copolymer, COC) or polyether sulfone (Polyether sulfone, ) etc. PES materials are made.

Touch-control shows that structure 20 includes touch module 21 and display module 23.Touch module 21 is set to cover board 10 and display Between mould group 23.Touch module 21 is used to sense the touch operation of user.Display module 23 is for showing image.In this embodiment party In formula, touch module 21 can be bonded as one by optical cement (not shown) and cover board 10 or display module 23.It can replace at other For in embodiment, it is one that touch module 21, which can be engaged by framework or other fixed structures with cover board 10 and display module 23, Body.

Backlight module 30 is set to side of the display module 23 far from touch module 21.Backlight module 30 include light source 31, Reflector plate 32, light guide plate 34 and optical diaphragm 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by optical diaphragm 36 Lid.Light source 31 is for emitting light.The light that light guide plate 34 is used to issue light source 31 carries out multi-angle diffusion.Reflector plate 32 is used Light guide plate 34 is reflexed in issuing light source 31 and passing through the light that 34 part of light guide plate reflexes on reflector plate 32.Optical diaphragm 36 can be played according to different optical characteristics diffusion, light harvesting and reflection deviation the effects of.In the present embodiment, optical diaphragm 36 can be one of uniformity plate, brightening piece, prismatic lens and combined optical film or combinations thereof, to promote touch-control display dress Set 400 image display quality.

Framework 40 shows structure 20 for carrying touch-control.

Pressure sensing structure 60 is correspondingly arranged with non-display area 12.Two pressure sensing structures 60 are symmetrically disposed on display Two opposite flanks of mould group 23, and between touch module 21 and backlight module 30.The reception of pressure sensing structure 60 passes through The light emitted by light source 31, and when external force is applied to touch control display apparatus 400 according to the light flux variations for receiving light Sense pressure size.

Pressure sensing structure 60 includes multiple light shielding parts 61 and light sensing mould group 63.Light shielding part 61 is set to light sensing mould group Between 63 and backlight module 30.In the present embodiment, light shielding part 61 connects with backlight module 30 and light sensing mould group 63 respectively Touching.In other embodiments, light shielding part 61 can also be separated at least one of backlight module 30 and light sensing mould group 63 and be set It sets.

Light shielding part 61 is made of elastic light-proof material, is used for the light that shield portions are emitted by light source 31.Light shielding part 61 by original state elastic deformation and increase projected area of the light shielding part 61 in light sensing mould group 63 under the effect of external force, with Increase light shielding part 61 to the shielded area for being projected to 63 glazed thread of light sensing mould group;Light shielding part 61 also external force cancel when restore to Original state.It light sensing mould group 63 and is set between touch module 21 and light shielding part 61.Light sensing mould group 63 is connect by sensing Receive the pressure that the variation sensing of the luminous flux of light is applied on touch sensing device 400.In the present embodiment, multiple shadings 61 spaced set of portion.In other embodiments, pressure sensing structure 60 may include a light shielding part 61.

Referring to Fig. 5, it is cross-sectional view of the touch control display apparatus 500 along the direction II-II of the 4th embodiment.Touch-control is aobvious Showing device 500 is similar to touch control display apparatus 100, the difference is that: pressure sensing structure 70.Touch control display apparatus 500 Structure 20, backlight module 30, framework 40 and two pressure sensing structures are shown including cover board 10, the touch-control covered by cover board 10 70.In the present embodiment, cover board 10 shows that structure 20 is bonded as one with touch-control by adhesive layer.

Cover board 10 is made of transparent material, for preventing the impurity such as dust from entering inside touch control display apparatus 500.Cover board 10 Including display area 11 and the non-display area 13 being arranged around display area 11.In the present embodiment, cover board 10 can be Glass substrate or other transparent substrates with high intensity, high rigidity, such as polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (Cyclic Olefin Copolymer, COC) or polyether sulfone (Polyether sulfone, ) etc. PES materials are made.

Touch-control shows that structure 20 includes touch module 21 and display module 23.Touch module 21 is set to cover board 10 and display Between mould group 23.Touch module 21 is used to sense the touch operation of user.Display module 23 is for showing image.In this embodiment party In formula, touch module 21 can be bonded as one by optical cement (not shown) and cover board 10 or display module 23.It can replace at other For in embodiment, it is one that touch module 21, which can be engaged by framework or other fixed structures with cover board 10 and display module 23, Body.

Backlight module 30 is set to side of the display module 23 far from touch module 21.Backlight module 30 include light source 31, Reflector plate 32, light guide plate 34 and optical diaphragm 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by optical diaphragm 36 Lid.Light source 31 is for emitting light.The light that light guide plate 34 is used to issue light source 31 carries out multi-angle diffusion.Reflector plate 32 is used Light guide plate 34 is reflexed in issuing light source 31 and passing through the light that 34 part of light guide plate reflexes on reflector plate 32.Optical diaphragm 36 can be played according to different optical characteristics diffusion, light harvesting and reflection deviation the effects of.In the present embodiment, optical diaphragm 36 can be one of uniformity plate, brightening piece, prismatic lens and combined optical film or combinations thereof, to promote touch-control display dress Set 500 image display quality.

Framework 40 shows structure 20 for carrying touch-control.

Two pressure sensing structures 70 are set on the side opposite with backlight module 30 of display module 23, and are symmetrical arranged In the opposite end of display module 23.Pressure sensing structure 70 receives the light by being emitted by light source 31, and applies in external force Pressure size is sensed according to the light flux variations for receiving light when touch control display apparatus 500.

Pressure sensing structure 70 includes multiple light shielding parts 71 and light sensing mould group 73.In the present embodiment, light shielding part 71 It is in contact respectively with backlight module 30 and light sensing mould group 73.In other embodiments, light shielding part 71 can also be with backlight module At least one of 30 and light sensing mould group 73 are separately positioned.

Light shielding part 71 is made of elastic light-proof material, is used for the light that shield portions are emitted by light source 31.Light shielding part 71 by original state elastic deformation and increase projected area of the light shielding part 71 in light sensing mould group 73 under the effect of external force, with Increase light shielding part 71 to the shielded area for being projected to 73 glazed thread of light sensing mould group;Light shielding part 71 also external force cancel when restore to Original state.The variation sensing for the luminous flux that light sensing mould group 73 receives light by sensing is applied to touch sensing device 500 On pressure.In the present embodiment, multiple 71 spaced sets of light shielding part.In other embodiments, pressure sensing structure 70 may include a light shielding part 71.

Referring to Fig. 6, it is cross-sectional view of the touch control display apparatus 300 along the direction II-II of the 5th embodiment.Touch-control is aobvious Showing device 600 is similar to touch control display apparatus 500, the difference is that: pressure sensing structure 80.Touch control display apparatus 600 Structure 20, backlight module 30, framework 40 and two pressure sensing structures are shown including cover board 10, the touch-control covered by cover board 10 80.In the present embodiment, cover board 10 shows that structure 20 is bonded as one with touch-control by adhesive layer.

Cover board 10 is made of transparent material, for preventing the impurity such as dust from entering inside touch control display apparatus 600.Cover board 10 Including display area 11 and the non-display area 13 being arranged around display area 11.In the present embodiment, cover board 10 can be Glass substrate or other transparent substrates with high intensity, high rigidity, such as polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (Cyclic Olefin Copolymer, COC) or polyether sulfone (Polyether sulfone, ) etc. PES materials are made.

Touch-control shows that structure 20 includes touch module 21 and display module 23.Touch module 21 is set to cover board 10 and display Between mould group 23.Touch module 21 is used to sense the touch operation of user.Display module 23 is for showing image.In this embodiment party In formula, touch module 21 can be bonded as one by optical cement (not shown) and cover board 10 or display module 23.It can replace at other For in embodiment, it is one that touch module 21, which can be engaged by framework or other fixed structures with cover board 10 and display module 23, Body.

Backlight module 30 is set to side of the display module 23 far from touch module 21.Backlight module 30 include light source 31, Reflector plate 32, light guide plate 34 and optical diaphragm 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by optical diaphragm 36 Lid.Light source 31 is for emitting light.The light that light guide plate 34 is used to issue light source 31 carries out multi-angle diffusion.Reflector plate 32 is used Light guide plate 34 is reflexed in issuing light source 31 and passing through the light that 34 part of light guide plate reflexes on reflector plate 32.Optical diaphragm 36 can be played according to different optical characteristics diffusion, light harvesting and reflection deviation the effects of.In the present embodiment, optical diaphragm 36 can be one of uniformity plate, brightening piece, prismatic lens and combined optical film or combinations thereof, to promote touch-control display dress Set 600 image display quality.

Framework 40 shows structure 20 for carrying touch-control.

Two pressure sensing structures 70 are set on the side opposite with backlight module 30 of display module 23, and are symmetrical arranged In the opposite end of display module 23.Pressure sensing structure 80 receives the light by being emitted by light source 31, and applies in external force Pressure size is sensed according to the light flux variations for receiving light when touch control display apparatus 600.

Pressure sensing structure includes multiple light shielding parts 81 and light sensing mould group 83.In the present embodiment, light shielding part 81 divides It is not in contact with backlight module 30 and light sensing mould group 83.In other embodiments, light shielding part 81 can also be with backlight module 30 It is separately positioned at least one of light sensing mould group 83.

Light shielding part 81 is made of elastic light-proof material, is used for the light that shield portions are emitted by light source 31.Light shielding part 81 by original state elastic deformation and increase projected area of the light shielding part 81 in light sensing mould group 83 under the effect of external force, with Increase light shielding part 81 to the shielded area for being projected to 83 glazed thread of light sensing mould group;Light shielding part 81 also external force cancel when restore to Original state.The insertion of light sensing mould group 83 is set to the surface opposite with backlight module 30 of display module 23.Light sensing mould group 83 The pressure being applied on touch sensing device 600 by the variation sensing that sensing receives the luminous flux of light.In present embodiment In, multiple 81 spaced sets of light shielding part.In other embodiments, pressure sensing structure 80 includes a light shielding part 81.

In above-mentioned touch control display apparatus, pressure sensing structure occurs elastic deformation change light sensing mould group using light shielding part and connects The luminous flux received, and then sensing pressure is sensed, the stability of pressure-sensing signal can be improved.

Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as within spirit of the invention, it is to the above embodiments Appropriate change and variation are all fallen within the scope of protection of present invention.