CN102830541A - Liquid crystal display panel and liquid crystal display - Google Patents
Liquid crystal display panel and liquid crystal display Download PDFInfo
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- CN102830541A CN102830541A CN2012103316717A CN201210331671A CN102830541A CN 102830541 A CN102830541 A CN 102830541A CN 2012103316717 A CN2012103316717 A CN 2012103316717A CN 201210331671 A CN201210331671 A CN 201210331671A CN 102830541 A CN102830541 A CN 102830541A
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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, relate in particular to a kind of display panels and LCD.
Background technology
In recent years along with continuous progress in science and technology, LCD (Liquid Crystal Display liquid crystal display) technology constantly perfect, it is low with energy consumption, is easy to panelized, and advantages such as environmental protection occupy demonstration field important status.Along with the demand of every profession and trade to LCD increases, the diversification of demand, liquid crystal display device is oversimplified development towards transparence, high clear colorfulization and technology.
But in the prior art; Polaroid need be set in display panels and the LCD to be carried out polarisation, color membrane substrates is set primary colors such as red, green, blue are provided; But because assembly that is provided with such as polaroid and color film penetrability are relatively poor, make that the light transmission rate of display panels and LCD is lower, the transparency of LCD is impacted; Effective utilization owing to light simultaneously also is restricted; Thereby restricted the imaging technique of transparent liquid crystal display, caused the user can't be under the conventional lighting sources support, the LCD relatively poor through light transmission rate obtains abundant more visual effect.
Summary of the invention
Embodiments of the invention provide a kind of display panels and LCD, can improve light transmission rate, thereby abundant more visual effect is provided.
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 and second transparency carrier to the box moulding;
Be filled in the cholesteric liquid crystal between said first transparency carrier and said second transparency carrier;
Be arranged on said first transparency carrier, the fluorescent glass that is formed with primary colors of respective pixel electrode zone, said fluorescent glass can be luminous under UV-irradiation;
Be arranged on first transparency electrode on the said fluorescent glass;
Be arranged on second transparency electrode on said second transparency carrier.
On the other hand, a kind of LCD is provided, comprises:
Backlight and aforesaid display panels.
Display panels that embodiments of the invention provide and LCD, display panels comprise first transparency carrier of box moulding and second transparency carrier; Be filled in two cholesteric liquid crystals between the substrate, wherein, the respective pixel electrode zone is provided with the fluorescent glass that is formed with primary colors on first transparency carrier; And be arranged on first transparency electrode on the fluorescent glass and be arranged on second transparency electrode on second transparency carrier.So, display panels and LCD 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; Thereby the raising light transmission rate, and LCD need not be provided with polaroid, further improved the transmitance of light; And then increased the utilization of LCD to light, make the user obtain abundanter visual effect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the display panels that Fig. 1 provides for the embodiment of the 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 LCD for the embodiment of the invention;
The reflection natural light synoptic diagram of the LCD that Fig. 4 provides for the embodiment of the invention;
The transmission natural light synoptic diagram of the LCD that Fig. 5 provides for the embodiment of the invention.
Embodiment
The display panels 10 that the embodiment of the invention provides, as shown in Figure 1, comprising:
To first transparency carrier 101 and second transparency carrier 102 of box moulding, and be filled in the cholesteric liquid crystal 103 between first transparency carrier 101 and second transparency carrier 102.
Need to prove,, can select to reflect with the identical light of self sense of rotation because there is helical structure in cholesteric liquid crystal 103.Represent by Δ λ as catoptrical ripple is wide; Δ λ=Δ nPcos θ, wherein, Δ n=n//-n ⊥; The refractive index of the parallel incident light direction of n//expression; N ⊥ representes the refractive index perpendicular to the incident light direction, and θ representes the angle between the screw axis of incident light direction and cholesteric liquid crystal 103, and P representes the pitch of cholesteric liquid crystal 103.Generally speaking; The Δ n value of colourless organic compound is between 0.3 to 0.4; Therefore, the wide Δ λ of the reflection wave of cholesteric liquid crystal 103 is in natural light in the visible-range, so can realize reflecting different wide ripple visible lights in the natural light through the adjustment pitch P.
Be arranged on first transparency carrier 101, the respective pixel electrode zone is formed with the fluorescent glass 104 of primary colors, and fluorescent glass 104 can be luminous under UV-irradiation.
Need to prove; Fluorescent glass 104 can be according to the fluorescer of the different primary colors different proportionings by the video picture requirement; At transparent carrier; Spray into pixel cell size like glass surface, the glass of spraying fluorescer can be realized the luminous of this color according to different primary colors when receiving UV-irradiation, can correspondence launch red, green, blue light etc. like Red Green Blue.
Exemplary; Contain silicon, boron and oxygen in the glass of above-mentioned preparation fluorescent glass 104 as glass ingredient; Fluorescer can adopt the fluorescer that contains terbium or europium; Only with this for example explanation, do not do any qualification here, utilize fluorescent glass that other material prepares within protection domain yet with above-mentioned effect.
Be arranged on first transparency electrode 105 on the fluorescent glass 104 and be arranged on second transparency electrode 106 on second transparency carrier 102.
Further, display panels 10, as shown in Figure 2, also comprise:
Be arranged on the fluorescent glass 104 near cholesteric liquid crystal 103 sides, have switch element 107, the first transparency electrodes 105 on first transparency electrode 105 of respective pixel electrode zone and be connected with switch element 107.
Exemplary, switch element 107 is a thin film transistor (TFT).
Be arranged on second transparency carrier 102 near cholesteric liquid crystal 103 sides second transparency electrode 106 of respective pixel electrode zone.
Need to prove; The cholesteric liquid crystal 103 of filling is a nematic liquid crystal, and the cholesteric liquid crystal 103 of filling in the display panels 10 needs vertical electric field to drive, and is about to first transparency electrode 105 and is arranged on the fluorescent glass 104 near cholesteric liquid crystal 103 sides; Second transparency electrode 106 is arranged on second transparency carrier 102 near cholesteric liquid crystal 103 sides; So that produce vertical electric field between first transparency electrode 105 and second transparency electrode 106, change the orientation of cholesteric liquid crystal 103, as drive first transparency electrode 105 and second transparency electrode 106; Make the transparency electrode 105 of winning become positive electrode respectively; Second transparency electrode 106 becomes negative electrode, produces vertical electric field through positive and negative electrode, changes 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 the liquid crystal composite material, can control the wide ripple wide region of visible light reflection wave in 103 pairs of reflected wavebands of cholesteric liquid crystal.As; When UV-irradiation has added the potpourri of polymerisable difunctional chiral liquid crystal monomer, simple function group nematic liquid crystal monomer and light trigger of uv absorption dyestuff; Cause the intermolecular cross-linking reaction of the polymerisable liquid crystal monomer in the potpourri, excited the wide wave reflection characteristics of liquid crystal composite material thus with wide wave reflection characteristics.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, thereby realize the wide wave reflection of cholesteric liquid crystal; If change the kind of thermal polymerization monomer; Under photopolymerization and the high temperature in the process of thermal polymerization, the distribution mode of the cholesteric liquid crystal 103 of formation will change, and reflects thereby influence 103 pairs of wide light of different ripples of cholesteric liquid crystal so at low temperatures.
Further; Also be formed with black matrix 108 on the fluorescent glass 104 of display panels 10; Black matrix 108 has a plurality of open areas, and the primary colors of fluorescent glass 104 is formed at the open area of black matrix 108, and first transparency electrode 105 is formed at black matrix 108 and has on the fluorescent glass 104 of primary colors; Promptly in display panels 10, thin film transistor (TFT) array is formed on the fluorescent glass 104.
The display panels 10 that embodiments of the invention provide; Display panels 10 comprises first transparency carrier 101 of box moulding and second transparency carrier 102 and is filled in two cholesteric liquid crystals 103 between the substrate; Wherein, the respective pixel electrode zone is provided with the fluorescent glass 104 that is formed with primary colors on first transparency carrier 101; And be arranged on first transparency electrode 105 on the fluorescent glass 104 and be arranged on second transparency electrode 106 on second transparency carrier 102.So; Display panels 10 no longer needs color membrane substrates with LCD 1; 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, thereby improve light transmission rate; And the LCD of being made up of this display panels 10 1 need not be provided with polaroid; Further improve the transmitance of light, and then increased the utilization of the 1 pair of light of forming by this display panels 10 of LCD, made the user obtain abundanter visual effect.
The LCD 1 that the embodiment of the invention provides, as shown in Figure 3, comprise the display panels 10 that backlight 11 and the foregoing description provide.
Exemplary, as shown in Figure 4, when LCD 1 does not apply voltage to cholesteric liquid crystal 103; Cholesteric liquid crystal 103 is the states that are in wide wave reflection, and therefore outside natural light is through second transparency carrier 102, pass second transparency electrode 106 after; Arrive cholesteric liquid crystal 103; Do not present reflective condition owing to cholesteric liquid crystal 103 receives driven, natural light is reflected away from LCD through second transparency electrode 106 and second transparency carrier, 102 backs by cholesteric liquid crystal 103 reflections; And can't arrive fluorescent glass 104, make fluorescent glass 104 remain non-fluorescence state.As shown in Figure 5, when 1 pair of cholesteric liquid crystal 103 of LCD applied voltage, the liquid crystal molecule state of cholesteric liquid crystal 103 was along with the direction of electric field is arranged; Therefore; This moment, outside natural light was through second transparency carrier 102, pass second transparency electrode 106 after, can pass through cholesteric liquid crystal 103; Arrive fluorescent glass 104 through first electrode 105 again; Because the ultraviolet light in the natural light can activate fluorescent glass 104, so that fluorescent glass 104 keeps fluorescence state, promptly fluorescent glass 104 develops the color according to the primary colors that it prepares employed material decision; Can show red, green or blueness etc. like trichromatic fluorescent glass 104; At this moment the light that on fluorescent glass 104, reflects of light is through first electrode 105, passes still keeping the cholesteric liquid crystal 103 arranged along with the direction of electric field, again through second transparency electrode 106; Pass second transparency carrier 102 and reflect LCD 1, the user who makes the outside watch can see the formed image of fluorescent glass 104 colour developings through the light that appears.
It is worthy of note; Common LCD is through in second transparency carrier, 102 outsides, with the outside natural light of LCD at first position contacting polaroid is set, the available light in the external world is filtered into the light of a direction; Thereby guarantee only to let the light of a direction pass through; But cholesteric liquid crystal 103 is the spinning behaviours that have, so LCD 1 need not be provided with polaroid, but utilizes the reflection characteristic of cholesteric liquid crystal 103; Be that cholesteric liquid crystal 103 can be selected to turn to identical light to reflect with its spiral; And make that the light opposite with its hand of spiral passes through, so use the LCD 1 of cholesteric liquid crystal can simplify processing step, reduce manufacturing cost.
Need to prove, when the LCD that is provided with cholesteric liquid crystal 103 and above-mentioned fluorescent glass 104 1 is transmission type lcd device, backlight 11 need be set light source is provided; Both can be through first transparency carrier 101, fluorescent glass 104 and first transparency electrode 105 from the light of backlight 11 outgoing; See through again and apply the cholesteric crystal layer of arranging with voltage direction behind the voltage, pass second transparency electrode 106 and penetrate, when watching owing to the user with second transparency carrier 102; Can lead to the light of ejaculation and primary colors that fluorescent glass 104 provides and see the picture that LCD provides; Because fluorescent glass 104 light transmissions are good, and polaroid is not set in the LCD 1, so the transmittance of LCD 1 is more satisfactory; The picture that provides is more clear, and contrast is better; And when the LCD that is provided with cholesteric liquid crystal 103 and above-mentioned fluorescent glass 104 1 is reflection LCD; The natural light that can reflect incident is to provide LCD required light source, and this reflection LCD can not need be provided with backlight 11, but after making extraneous natural light through second transparency carrier 102 and second transparency electrode 106; See through again and apply the cholesteric crystal layer of arranging with voltage direction behind the voltage; Arrive fluorescent glass 104 through first transparency electrode 105, again from 104 reflections, through with first transparency electrode 105; See through cholesteric crystal layer again; Pass second transparency electrode 106 and second transparency carrier 102 penetrates, at this time, the user can be led to the light of ejaculation and primary colors that fluorescent glass 104 provides is seen the picture that LCD 1 provides; Backlight need not be set, practice thrift the technology cost.
The liquid crystal display face device 1 that embodiments of the invention provide; Display panels 10 in the liquid crystal display face device 1 comprises first transparency carrier 101 of box moulding and second transparency carrier 102 and is filled in two cholesteric liquid crystals 103 between the substrate; Wherein, the respective pixel electrode zone is provided with the fluorescent glass 104 that is formed with primary colors on first transparency carrier 101; And be arranged on first transparency electrode 105 on the fluorescent glass 104 and be arranged on second transparency electrode 106 on second transparency carrier 102.So, LCD 1 no longer needs color membrane substrates, but utilizes 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; Thereby the raising light transmission rate, and LCD 1 need not be provided with polaroid, further improved the transmitance of light; And then increased the utilization of 1 pair of light of LCD, make the user obtain abundanter visual effect.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, 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 said claim.
Claims (6)
1. a display panels is characterized in that, comprising:
First transparency carrier and second transparency carrier to the box moulding;
Be filled in the cholesteric liquid crystal between said first transparency carrier and said second transparency carrier;
Be arranged on said first transparency carrier, the respective pixel electrode zone is formed with the fluorescent glass of primary colors, and said fluorescent glass can be luminous under UV-irradiation;
Be arranged on first transparency electrode on the said fluorescent glass;
Be arranged on second transparency electrode on said second transparency carrier.
2. display panels according to claim 1 is characterized in that,
Said first transparency electrode is arranged on the said fluorescent glass near said cholesteric liquid crystal side, the respective pixel electrode zone, and wherein, said first transparency electrode has switch element.
3. display panels according to claim 2 is characterized in that, said switch element is a thin film transistor (TFT).
4. display panels according to claim 1 is characterized in that,
Said second transparency electrode is arranged on said second transparency carrier near said cholesteric liquid crystal side, corresponding said pixel electrode area.
5. according to the arbitrary described display panels of claim 1 to 4, it is characterized in that, also comprise:
Be formed at the black matrix on the said fluorescent glass, said black matrix has a plurality of open areas, and primary colors is formed at the open area of said black matrix, and said first transparency electrode is formed at said black matrix and has on the fluorescent glass of said primary colors.
6. a LCD is characterized in that, comprises backlight and like each described display panels 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 |
|---|---|
| CN102830541A true CN102830541A (en) | 2012-12-19 |
| CN102830541B 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298564A (en) * | 2018-11-09 | 2019-02-01 | 京东方科技集团股份有限公司 | Display device |
| CN109638145A (en) * | 2018-11-22 | 2019-04-16 | 华南农业大学 | Red blue light glass ceramics turns optical assembly, preparation method and plant lamp |
| CN111077713A (en) * | 2018-10-19 | 2020-04-28 | 北京化工大学 | Optically addressable optically erasable fluorescent/reflective dual-mode transparent display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111077713A (en) * | 2018-10-19 | 2020-04-28 | 北京化工大学 | Optically addressable optically erasable fluorescent/reflective dual-mode transparent display device |
| CN111077713B (en) * | 2018-10-19 | 2021-03-16 | 北京化工大学 | Optically addressable optically erasable fluorescent/reflective dual-mode transparent display device |
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| Publication number | Publication date |
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| CN102830541B (en) | 2015-04-29 |
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Granted publication date: 20150429 Termination date: 20210907 |