CN102830541B - Liquid crystal display panel and liquid crystal display - Google Patents
- ️Wed Apr 29 2015
CN102830541B - Liquid crystal display panel and liquid crystal display - Google Patents
Liquid crystal display panel and liquid crystal display Download PDFInfo
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Publication number
- CN102830541B CN102830541B CN201210331671.7A CN201210331671A CN102830541B CN 102830541 B CN102830541 B CN 102830541B CN 201210331671 A CN201210331671 A CN 201210331671A CN 102830541 B CN102830541 B CN 102830541B Authority
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- China Prior art keywords
- liquid crystal
- fluorescent glass
- crystal display
- transparency
- transparency carrier Prior art date
- 2012-09-07 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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Abstract
The invention provides a liquid crystal display, relates to the field of liquid crystal panel manufacture and has the advantages that the light transmittance is improved, and a richer visual effect is provided. The liquid crystal display comprises a first transparent substrate, a second transparent substrate, cholesteric liquid crystal, self-colored fluorescent glass, a first transparent electrode and a second transparent electrode, wherein the first transparent substrate and the second transparent substrate are formed in pair boxes; the cholesteric liquid crystal is filled between the first transparent substrate and the second transparent substrate; the self-colored fluorescent glass is arranged on the first transparent substrate and is formed in a manner corresponding to a pixel electrode area, and the fluorescent glass can emit light under the ultraviolet irradiation; the first transparent electrode is arranged on the fluorescent glass; and the second transparent electrode is arranged on the second transparent substrate. The liquid crystal display panel and the liquid crystal display are applicable to the field of liquid crystal display.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of display panels and liquid crystal display.
Background technology
In recent years along with the continuous progress of science and technology, LCD (Liquid Crystal Display liquid crystal display) technology constantly perfect, it is low with energy consumption, is easy to panelized, the advantages such as environmental protection, occupies very important status, display field.Along with every profession and trade increases the demand of liquid crystal display, the diversification of demand, liquid crystal display device develops towards transparence, high clear colorful and process simplification.
But in prior art, in display panels and liquid crystal display, needing, polaroid is set and carry out polarisation, color membrane substrates is set and provides red, green, indigo plant waits primary colors, but due to arrange assembly as polaroid and color film penetrability poor, make the light transmission rate of display panels and liquid crystal display lower, the transparency of liquid crystal display is impacted, simultaneously because effective utilization of light is also restricted, thus constrain the imaging technique of transparent liquid crystal display, cause user cannot under existing light source is supported, the liquid crystal display poor by light transmission rate obtains more abundant visual effect.
Summary of the invention
Embodiments of the invention provide a kind of display panels and liquid crystal display, can improve light transmission rate, thus provide more abundant visual effect.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, a kind of display panels is provided, comprises:
First transparency carrier shaping to box and the second transparency carrier;
Be filled in the cholesteric liquid crystal between described first transparency carrier and described second transparency carrier;
Be arranged on described first transparency carrier, the fluorescent glass being formed with primary colors of respective pixel electrode zone, described fluorescent glass can be luminous under UV-irradiation;
Be arranged on the first transparency electrode on described fluorescent glass;
Be arranged on the second transparency electrode on described second transparency carrier.
On the other hand, a kind of liquid crystal display is provided, comprises:
Backlight and display panels as above.
The display panels that embodiments of the invention provide and liquid crystal display, display panels comprises the first shaping transparency carrier of box and the second transparency carrier; Be filled in the cholesteric liquid crystal between two substrates, wherein, on the first transparency carrier, respective pixel electrode zone is provided with the fluorescent glass being formed with primary colors; And be arranged on the first transparency electrode on fluorescent glass and be arranged on the second transparency electrode on the second transparency carrier.So, display panels and liquid crystal display no longer need color membrane substrates, but utilize the primary colors of fluorescent glass to carry out video picture, because the light transmission of fluorescent glass is better than color membrane substrates, thus raising light transmission rate, and liquid crystal display does not need to arrange polaroid, further increases the transmitance of light, and then add the utilization of liquid crystal display to light, make user obtain abundanter visual effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the display panels that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the display panels that Fig. 2 provides for another embodiment of the present invention;
Fig. 3 provides the structural representation of liquid crystal display for the embodiment of the present invention;
The reflects natural light schematic diagram of the liquid crystal display that Fig. 4 provides for the embodiment of the present invention;
The transmission natural light schematic diagram of the liquid crystal display that Fig. 5 provides for the embodiment of the present invention.
Embodiment
The display panels 10 that the embodiment of the present invention provides, as shown in Figure 1, comprising:
First transparency carrier 101 and second transparency carrier 102 shaping to box, and be filled in the cholesteric liquid crystal 103 between the first transparency carrier 101 and the second transparency carrier 102.
It should be noted that, because cholesteric liquid crystal 103 exists helical structure, the light identical with self sense of rotation can be selected to reflect.Ripple as reflected light is wide to be represented by Δ λ, Δ λ=Δ nPcos θ, wherein, Δ n=n//-n ⊥, the refractive index in n//expression parallel input light direction, n ⊥ represents the refractive index perpendicular to incident light direction, and θ represents the angle between the screw axis of incident light direction and cholesteric liquid crystal 103, and P represents the pitch of cholesteric liquid crystal 103.Generally, the Δ n value of colourless organic compound is between 0.3 to 0.4, therefore, the wide Δ λ of reflection wave of cholesteric liquid crystal 103 in natural light in visible-range, so can realize reflecting wide ripple visible ray different in natural light by adjustment pitch P.
Be arranged on the first transparency carrier 101, respective pixel electrode zone is formed with the fluorescent glass 104 of primary colors, and fluorescent glass 104 can be luminous under UV-irradiation.
It should be noted that, fluorescent glass 104 can according to the different ratio of the fluorescer of different primary colors by video picture requirement, at transparent carrier, as glass surface is sprayed into pixel cell size, the glass of spraying fluorescer can realize the luminescence of this color according to different primary colors when being subject to UV-irradiation, as Red Green Blue correspondence can launch red, green, blue light etc.
Exemplary; above-mentioned preparation in the glass of fluorescent glass 104 contains silicon, boron and oxygen as glass ingredient; fluorescer can adopt the fluorescer containing terbium or europium; only illustrate with this herein; do not do any restriction, the fluorescent glass with above-mentioned effect utilizing other material to prepare is also within protection domain.
The second transparency electrode 106 being arranged on the first transparency electrode 105 on fluorescent glass 104 and being arranged on the second transparency carrier 102.
Further, display panels 10, as shown in Figure 2, also comprises:
Be arranged near cholesteric liquid crystal 103 side on fluorescent glass 104, the first transparency electrode 105 of respective pixel electrode zone has switch element 107, and the first transparency electrode 105 is connected with switch element 107.
Exemplary, switch element 107 is thin film transistor (TFT).
Be arranged near cholesteric liquid crystal 103 side on the second transparency carrier 102, the second transparency electrode 106 of respective pixel electrode zone.
It should be noted that, the cholesteric liquid crystal 103 of filling is nematic liquid crystal, the cholesteric liquid crystal 103 of filling in display panels 10 needs vertical electric field to drive, be arranged on fluorescent glass 104 near cholesteric liquid crystal 103 side by the first transparency electrode 105, second transparency electrode 106 is arranged on the second transparency carrier 102 near cholesteric liquid crystal 103 side, to make to produce vertical electric field between the first transparency electrode 105 and the second transparency electrode 106, change the orientation of cholesteric liquid crystal 103, as driven the first transparency electrode 105 and the second transparency electrode 106, the first transparency electrode 105 is made to become positive electrode respectively, second transparency electrode 106 becomes negative electrode, by just, negative electrode produces vertical electric field, change the orientation of cholesteric liquid crystal 103.
Exemplary, the liquid crystal composite material of nematic liquid crystal, chipal compounds, hot polymerisable monomer, photopolymerizable monomer and light trigger, obtains wide wave reflection type cholesteric liquid crystal 103 after carrying out photopolymerization and thermal polymerization respectively.Wherein, change the kind of the thermal polymerization monomer in liquid crystal composite material, the ripple wide region that in cholesteric liquid crystal 103 pairs of reflected wavebands, visible reflectance ripple is wide can be controlled.As, when UV-irradiation with the addition of the potpourri of the polymerisable difunctional chiral liquid crystal monomer of UV absorbing dyes, simple function group nematic liquid crystal monomer and light trigger, cause the intermolecular cross-linking reaction of the polymerisable liquid crystal monomer in potpourri, excite the wide wave reflection characteristics of the liquid crystal composite material with wide wave reflection characteristics thus.After said mixture carries out photopolymerization at low temperatures, at high temperature carry out thermal polymerization, since form the non-uniform Distribution of cholesteric liquid crystal 103, thus realize the wide wave reflection of cholesteric liquid crystal, if change the kind of thermal polymerization monomer, in the process of thermal polymerization under photopolymerization and high temperature so at low temperatures, the distribution mode of the cholesteric liquid crystal 103 of formation will change, thus the light affecting cholesteric liquid crystal 103 wide to different ripple reflects.
Further, the fluorescent glass 104 of display panels 10 is also formed with black matrix 108, black matrix 108 has multiple open area, the primary colors of fluorescent glass 104 is formed at the open area of black matrix 108, first transparency electrode 105 is formed at black matrix 108 and has on the fluorescent glass 104 of primary colors, namely, in display panels 10, thin film transistor (TFT) array is formed on fluorescent glass 104.
The display panels 10 that embodiments of the invention provide, display panels 10 comprises the first shaping transparency carrier 101 of box and the second transparency carrier 102 and the cholesteric liquid crystal 103 that is filled between two substrates, wherein, on the first transparency carrier 101, respective pixel electrode zone is provided with the fluorescent glass 104 being formed with primary colors; And the first transparency electrode 105 be arranged on fluorescent glass 104 and the second transparency electrode 106 be arranged on the second transparency carrier 102.So, display panels 10 and liquid crystal display 1 no longer need color membrane substrates, but utilize the primary colors of fluorescent glass 104 to carry out video picture, because the light transmission of fluorescent glass 104 is better than color membrane substrates, thus raising light transmission rate, and the liquid crystal display 1 to be made up of this display panels 10 does not need to arrange polaroid, further increase the transmitance of light, and then add the utilization of the liquid crystal display 1 pair of light be made up of this display panels 10, make user obtain abundanter visual effect.
The liquid crystal display 1 that the embodiment of the present invention provides, as shown in Figure 3, comprises the display panels 10 that backlight 11 and above-described embodiment provide.
Exemplary, as shown in Figure 4, when liquid crystal display 1 does not apply voltage to cholesteric liquid crystal 103, cholesteric liquid crystal 103 is the states being in wide wave reflection, therefore outside natural light is by the second transparency carrier 102, after the second transparency electrode 106, arrive cholesteric liquid crystal 103, reflective condition is presented because cholesteric liquid crystal 103 is not subject to voltage driven, natural light is reflected by cholesteric liquid crystal 103, reflect away from liquid crystal display after the second transparency electrode 106 and the second transparency carrier 102, and fluorescent glass 104 cannot be arrived, fluorescent glass 104 is made to remain non-fluorescence state.As shown in Figure 5, when liquid crystal display 1 pair of cholesteric liquid crystal 103 applies voltage, the liquid crystal molecule state of cholesteric liquid crystal 103 arranges along with the direction of electric field, therefore, now outside natural light is by the second transparency carrier 102, after the second transparency electrode 106, cholesteric liquid crystal 103 can be passed through, fluorescent glass 104 is arrived again through the first electrode 105, because the ultraviolet light in natural light can activate fluorescent glass 104, fluorescence state is kept to make fluorescent glass 104, namely the primary colors that fluorescent glass 104 prepares used material decision according to it develops the color, as trichromatic fluorescent glass 104 can show red, green or blue etc., at this moment the light that light reflects on fluorescent glass 104 passes through the first electrode 105, through the cholesteric liquid crystal 103 that still remain along with the direction of electric field arranges, again by the second transparency electrode 106, liquid crystal display 1 is reflected through the second transparency carrier 102, the user of outside viewing can be seen by the light appeared, and fluorescent glass 104 develops the color the image formed.
It is worthy of note, common liquid crystal display is by outside the second transparency carrier 102, the position contacted at first with liquid crystal display natural light outside arranges polaroid, the available light in the external world is filtered into the light in a direction, thus ensure only to allow the light in a direction pass through, but cholesteric liquid crystal 103 is the spinning behaviours had, so liquid crystal display 1 does not need to arrange polaroid, but utilize the reflection characteristic of cholesteric liquid crystal 103, namely cholesteric liquid crystal 103 can be selected to turn to identical light to reflect with its spiral, and the light contrary with its hand of spiral is passed through, so use the liquid crystal display 1 of cholesteric liquid crystal can simplify processing step, reduce manufacturing cost.
It should be noted that, when the liquid crystal display 1 being provided with cholesteric liquid crystal 103 and above-mentioned fluorescent glass 104 is transmission type lcd device, needing, backlight 11 is set light source is provided, both the first transparency carrier 101 can be passed through from the light of backlight 11 outgoing, fluorescent glass 104 and the first transparency electrode 105, again through the cholesteric crystal layer with voltage direction arrangement after applying voltage, penetrate through the second transparency electrode 106 and the second transparency carrier 102, due to user watch time, the primary colors that can lead to the light of injection and fluorescent glass 104 provides sees the picture that liquid crystal display provides, because fluorescent glass 104 light transmission is good, and in liquid crystal display 1, polaroid is not set, so the transmittance of liquid crystal display 1 is more satisfactory, the picture provided is more clear, contrast is better, and when the liquid crystal display 1 being provided with cholesteric liquid crystal 103 and above-mentioned fluorescent glass 104 is reflection LCD, incident natural light can be reflected to provide the light source needed for liquid crystal display, this reflection LCD can not need to arrange backlight 11, but make extraneous natural light by after the second transparency carrier 102 and the second transparency electrode 106, again through the cholesteric crystal layer with voltage direction arrangement after applying voltage, fluorescent glass 104 is arrived by the first transparency electrode 105, again from 104 reflections, by with the first transparency electrode 105, again through cholesteric crystal layer, penetrate through the second transparency electrode 106 and the second transparency carrier 102, at this time, the primary colors that user can lead to the light of injection and fluorescent glass 104 to be provided sees the picture that liquid crystal display 1 provides, need not backlight be set, save process costs.
The LCD device 1 that embodiments of the invention provide, display panels 10 in LCD device 1 comprises the first shaping transparency carrier 101 of box and the second transparency carrier 102 and the cholesteric liquid crystal 103 that is filled between two substrates, wherein, on the first transparency carrier 101, respective pixel electrode zone is provided with the fluorescent glass 104 being formed with primary colors; And the first transparency electrode 105 be arranged on fluorescent glass 104 and the second transparency electrode 106 be arranged on the second transparency carrier 102.So, liquid crystal display 1 no longer needs color membrane substrates, but utilize the primary colors of fluorescent glass 104 to carry out video picture, because the light transmission of fluorescent glass 104 is better than color membrane substrates, thus raising light transmission rate, and liquid crystal display 1 does not need to arrange polaroid, further increases the transmitance of light, and then add the utilization of liquid crystal display 1 pair of light, make user obtain abundanter visual effect.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (6)
1. a display panels, is characterized in that, comprising:
First transparency carrier shaping to box and the second transparency carrier;
Be filled in the wide wave reflection type cholesteric liquid crystal between described first transparency carrier and described second transparency carrier;
Be arranged on described first transparency carrier, respective pixel electrode zone is formed with the fluorescent glass of primary colors, and described fluorescent glass can be luminous under UV-irradiation;
Be arranged on the first transparency electrode on described fluorescent glass;
Be arranged on the second transparency electrode on described second transparency carrier.
2. display panels according to claim 1, is characterized in that,
Described first transparency electrode is arranged near described cholesteric liquid crystal side on described fluorescent glass, and respective pixel electrode zone, wherein, described first transparency electrode has switch element.
3. display panels according to claim 2, is characterized in that, described switch element is thin film transistor (TFT).
4. display panels according to claim 1, is characterized in that,
Described second transparency electrode is arranged near described cholesteric liquid crystal side on described second transparency carrier, corresponding described pixel electrode area.
5., according to the arbitrary described display panels of Claims 1-4, it is characterized in that, also comprise:
Be formed at the black matrix on described fluorescent glass, described black matrix has multiple open area, and primary colors is formed at the open area of described black matrix, and described first transparency electrode is formed at described black matrix and has on the fluorescent glass of described primary colors.
6. a liquid crystal display, is characterized in that, comprises backlight and the display panels as described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210331671.7A CN102830541B (en) | 2012-09-07 | 2012-09-07 | Liquid crystal display panel and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210331671.7A CN102830541B (en) | 2012-09-07 | 2012-09-07 | Liquid crystal display panel and liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
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| CN102830541A CN102830541A (en) | 2012-12-19 |
| CN102830541B true CN102830541B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210331671.7A Expired - Fee Related CN102830541B (en) | 2012-09-07 | 2012-09-07 | Liquid crystal display panel and liquid crystal display |
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| CN111077713B (en) * | 2018-10-19 | 2021-03-16 | 北京化工大学 | A photo-addressable photo-erasable fluorescent/reflective dual-mode transparent display device |
| CN109298564B (en) | 2018-11-09 | 2022-02-08 | 京东方科技集团股份有限公司 | Display device |
| CN109638145B (en) * | 2018-11-22 | 2021-03-26 | 华南农业大学 | Red and blue light glass ceramic light conversion assembly, preparation method and plant lamp |
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| JP2003121841A (en) * | 2001-10-10 | 2003-04-23 | Nitto Denko Corp | Liquid crystal display device |
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| TWI312433B (en) * | 2005-08-11 | 2009-07-21 | Chi Mei Optoelectronics Corporatio | Transflective liquid crystal display apparatus, panel and fabricating method thereof |
| GB2478287A (en) * | 2010-03-01 | 2011-09-07 | Merck Patent Gmbh | Electro-optical switching element and electro-optical display |
| KR101711144B1 (en) * | 2010-10-05 | 2017-03-02 | 삼성전자주식회사 | Cholesteric liquid crystal display device and method of manufacturing the same |
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| CN1164041A (en) * | 1995-06-30 | 1997-11-05 | 卡西欧计算机公司 | Color liquid crystal display device |
| JP2003121841A (en) * | 2001-10-10 | 2003-04-23 | Nitto Denko Corp | Liquid crystal display device |
| CN101650497A (en) * | 2008-08-15 | 2010-02-17 | 胜华科技股份有限公司 | Liquid crystal display panel |
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| CN102830541A (en) | 2012-12-19 |
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| 2012-12-19 | C06 | Publication | |
| 2012-12-19 | PB01 | Publication | |
| 2013-02-06 | C10 | Entry into substantive examination | |
| 2013-02-06 | SE01 | Entry into force of request for substantive examination | |
| 2015-04-29 | C14 | Grant of patent or utility model | |
| 2015-04-29 | GR01 | Patent grant | |
| 2022-08-19 | CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20210907 |
| 2022-08-19 | CF01 | Termination of patent right due to non-payment of annual fee |