CN104849933A - High-contract liquid crystal display - Google Patents
High-contract liquid crystal display Download PDFInfo
- Publication number
- CN104849933A CN104849933A CN201510281827.9A CN201510281827A CN104849933A CN 104849933 A CN104849933 A CN 104849933A CN 201510281827 A CN201510281827 A CN 201510281827A CN 104849933 A CN104849933 A CN 104849933A
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- CN
- China
- Prior art keywords
- layer
- liquid crystal
- fine particle
- white
- parallel
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1391—Bistable or multi-stable liquid crystal cells
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K2019/521—Inorganic solid particles
Abstract
The invention relates to a high-contract liquid crystal display which comprises an LCD. The LCD comprises an upper glass substrate, an ITO (indium tin oxide) layer, a PI layer with vertical alignment, a PI layer parallelly arranged, an ITO layer and a lower glass substrate. By the above mode, white fine particle materials and 0.5-3.5% of black dyes are added in column typed liquid crystal by adopting new optical design, high-voltage driving is performed in program drive after a high-voltage driver chip IC (integrated circuit) is selected, the white fine particle materials are enabled to move to be gathered on the LED with an electric field, and white background, high contact, wide viewing angle and memory function are achieved.
Description
The application is application number is 201310036002.1, and denomination of invention is " a kind of high contrast liquid crystal display ", and the applying date is the divisional application on January 30th, 2013.
Technical field
The invention belongs to technical field of liquid crystal display, in particular a kind of high contrast liquid crystal display.
Background technology
At present along with the development of display technique, higher requirement be it is also proposed to the performance of display technique, at present in order to ensure that displaying contents is constant, LCD drives and scans pixel for IC frame frequency, and IC frame frequency will constantly provide news signal, and therefore electric current is larger, power consumption will be larger, and adopt current general bistable display technologies, although can reach low-power consumption object, background color and visual angle have problems.Although electronic paper technology can solve the problem, too expensive, the solution of low cost while of therefore needing to solve low-power consumption, high contrast, white background look, wide viewing angle in display technique, this will be a challenge of display technique.
Therefore, prior art existing defects, needs to improve.
Summary of the invention
The present invention is by new optical design and adopt the material adding in nematic crystal and brighten background color, drive at driven by program high voltage appearance after selecting driving chip IC simultaneously, in order to obtain the display of high-contrast, the black dyes of 0.5-3.5% is allocated into before liquid crystal display material perfusion, liquid crystal is changed with the adjustment of voltage in driving process, to obtain, for the purpose of white background high-contrast, providing a kind of high contrast liquid crystal display.
Technical scheme of the present invention is as follows:
A kind of high contrast liquid crystal display, comprise a control panel and LCD, wherein, described LCD comprises top glass substrate, ITO conductive glass layer, vertical orientated PI layer, PI layer arranged in parallel, ITO conductive glass layer, lower glass substrate.
Described high contrast liquid crystal display, wherein, described liquid crystal layer is between described vertical orientated PI layer and described PI layer arranged in parallel.
Described high contrast liquid crystal display, wherein, described thickness of liquid crystal layer is 3-15um, and described liquid crystal layer liquid crystal is nematic crystal.
Described high contrast liquid crystal display, wherein, described nematic crystal layer is the nematic crystal of the black dyes containing 0.5-3.5%, and adds the fine particle of white, and the fine particle diameter of described white is 5-1000nm; The fine particle of described white is barium sulphate or aluminium hydroxide.
Described high contrast liquid crystal display, wherein, the inclination angle arranging described vertical orientated PI layer is 89-90 degree, and is mated with described vertical orientated PI layer by the liquid crystal in the described liquid crystal layer of 1/2nd thickness and be set to homeotropic alignment.
Described high contrast liquid crystal display, wherein, the inclination angle arranging described parallel-oriented PI layer is 1-5 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness is mated with described parallel-oriented PI layer be set to arranged in parallel.
Described high contrast liquid crystal display, wherein, described control panel controls the fine particle of described white and described black dyes when positive pulse along described vertical orientated PI layer arrangement.
Described high contrast liquid crystal display, wherein, described control panel controls the fine particle of described white and described black dyes when negative pulse along described parallel-oriented PI layer arrangement.
Described high contrast liquid crystal display, wherein, it is constant that the described control panel described white fine particle of control and described black dyes remain on arrangement architecture on described vertical orientated PI layer or described parallel-oriented PI layer when closing voltage.
Described high contrast liquid crystal display, wherein, described control panel controls to move gathering to the direction of reversion when white fine particle and described black dyes power up inversion pulse outside.
Adopt such scheme, in nematic crystal, the black dyes of white fine particle material and 0.5-3.5% is added by new optical design and employing, in driven by program, carry out high voltage drive after selecting high voltage drive chip IC simultaneously, white fine particle is moved with electric field and is gathered in the upper of LCD or lower PI layer, thus solve white background, high-contrast, wide viewing angle has the Novel LCD of memory function.
Accompanying drawing explanation
Fig. 1 is LCD structure schematic diagram under positive pulse in liquid crystal display of the present invention;
Fig. 2 is LCD structure schematic diagram under negative pulse in liquid crystal display of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As Figure 1-Figure 2, LCD structure is designed to: top glass substrate 10, ITO layer 20, vertical orientated PI layer 30, PI layer 60 arranged in parallel, ITO layer 70, lower glass substrate 80.Liquid crystal layer box is thick will be controlled between 3-15um.The black dyes nematic crystal of white fine particle and 0.5-3.5% is poured in liquid crystal cell.
Pour into the nematic crystal of the fine particle (diameter: 5-1000nm scope) that with the addition of white and the black dyes containing 0.5-3.5% in an lcd, liquid crystal molecule PI layer 30 on LCD is vertical orientated PI, tilt angle is 89-90 degree, liquid crystal molecule 40 carries out homeotropic alignment, under LCD, PI layer 60 is parallel-oriented PI, tilt angle is 1-5 degree, and liquid crystal molecule 50 carries out arranged in parallel.Add specific white fine particle, when positive pulse particle will along on vertical PI layer 30 arrange, when negative pulse, because the arrangement of liquid crystal molecule changes along with the change of electric field, white fine particle will move with electric field, become and arrange along lower parallel PI layer 60, when closing voltage, white fine particle is by constant for arrangement architecture on the PI layer of maintenance, and when additional electric pulse reverses, white fine particle will be assembled to an other interface movement again.The ordered state of liquid crystal molecule in each pixel is adjusted arbitrarily by the driving of IC, white fine particle also can carry out having the change according to electric field to assemble up and down arbitrarily, and because the black dyes containing 0.5-3.5% in liquid crystal molecule, when liquid crystal is by voltage driven, also there is permutations with the driving of liquid crystal molecule in its dye molecule added wherein, so just can reach a kind of display of high-contrast.Simultaneously because white fine particle material has height and remains on interface aggregates state, therefore this display has memory function.Need to change display state and only need, by IC, electric field adjustment is carried out to it and just can reach other displaying contents at every turn.
Everyly between two layers of ito glass, adopt white fine particle material and with the addition of the black dyes of 0.5-3.5%, go up (/ under) base plate glass PI layer simultaneously and adopt vertical orientated PI, under (/ on) base plate glass PI layer adopt parallel-oriented PI, all belong to the technical scope of this patent.
Embodiment 2
On the basis of above-described embodiment, a kind of high contrast liquid crystal display, comprises a control panel and LCD, wherein, described LCD comprises top glass substrate 10, ITO conductive glass layer 20, vertical orientated PI layer 30, PI layer 60, ITO conductive glass layer 70 arranged in parallel, lower glass substrate 80.
On the basis of above-described embodiment, wherein, described liquid crystal layer is between described vertical orientated PI layer 30 and described PI layer 60 arranged in parallel.
On the basis of above-described embodiment, wherein, described thickness of liquid crystal layer is 3-15um, and described liquid crystal layer liquid crystal is nematic crystal.
On the basis of above-described embodiment, wherein, described nematic crystal layer is the nematic crystal of the black dyes containing 0.5-3.5%, and adds the fine particle of white, and the fine particle diameter of described white is 5-1000nm; The fine particle of described white is barium sulphate or aluminium hydroxide.
On the basis of above-described embodiment, wherein, the inclination angle arranging described vertical orientated PI layer is 89-90 degree, and is mated with described vertical orientated PI layer 30 by the liquid crystal in the described liquid crystal layer of 1/2nd thickness and be set to homeotropic alignment.
On the basis of above-described embodiment, wherein, the inclination angle arranging described parallel-oriented PI layer is 1-5 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness is mated with described parallel-oriented PI layer 60 be set to arranged in parallel.
On the basis of above-described embodiment, wherein, described control panel controls the fine particle of described white and described black dyes arranges along described vertical orientated PI layer 30 when positive pulse.
On the basis of above-described embodiment, wherein, described control panel controls the fine particle of described white and described black dyes arranges along described parallel-oriented PI layer 30 when negative pulse.
On the basis of above-described embodiment, wherein, described control panel controls described white fine particle and described black dyes to remain on arrangement architecture on described vertical orientated PI layer 30 or described parallel-oriented PI layer 60 when closing voltage constant.
On the basis of above-described embodiment, wherein, described control panel controls to move gathering to the direction of reversion when white fine particle and described black dyes power up inversion pulse outside.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (4)
1. a high contrast liquid crystal display, comprises LCD, it is characterized in that, described LCD comprises top glass substrate, ITO conductive glass layer, vertical orientated PI layer, PI layer arranged in parallel, ITO conductive glass layer, lower glass substrate;
Liquid crystal layer is between described vertical orientated PI layer and described PI layer arranged in parallel;
Described nematic crystal layer is the nematic crystal of the black dyes containing 0.5-3.5%, and adds the fine particle of white, and the fine particle diameter of described white is 5-1000nm; The fine particle of described white is barium sulphate or aluminium hydroxide.
2. a kind of high contrast liquid crystal display as claimed in claim 1, it is characterized in that, the inclination angle arranging described vertical orientated PI layer is 89-90 degree, and is mated with described vertical orientated PI layer by the liquid crystal in the described liquid crystal layer of 1/2nd thickness and be set to homeotropic alignment.
3. a kind of high contrast liquid crystal display as claimed in claim 2, it is characterized in that, the inclination angle arranging described parallel-oriented PI layer is 1-5 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness is mated with described parallel-oriented PI layer be set to arranged in parallel.
4. a kind of high contrast liquid crystal display as claimed in claim 1, is characterized in that, comprise control panel, and described control panel controls the fine particle of described white and described black dyes when positive pulse along described vertical orientated PI layer arrangement;
Described control panel controls the fine particle of described white and described black dyes when negative pulse along described parallel-oriented PI layer arrangement;
It is constant that the described control panel described white fine particle of control and described black dyes remain on arrangement architecture on described vertical orientated PI layer or described parallel-oriented PI layer when closing voltage;
Described control panel controls to move gathering to the direction of reversion when white fine particle and described black dyes power up inversion pulse outside.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100360021A CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100360021A Division CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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| Publication Number | Publication Date |
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| CN104849933A true CN104849933A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100360021A Pending CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
| CN201510281827.9A Pending CN104849933A (en) | 2013-01-30 | 2013-01-30 | High-contract liquid crystal display |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100360021A Pending CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490695A (en) * | 2018-04-28 | 2018-09-04 | 新辉开科技（深圳）有限公司 | A kind of liquid crystal display for electronic license plate |
| CN108681156A (en) * | 2018-04-28 | 2018-10-19 | 新辉开科技（深圳）有限公司 | A kind of electronic license plate liquid crystal display of different background color |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305807A (en) * | 1980-03-13 | 1981-12-15 | Burroughs Corporation | Electrophoretic display device using a liquid crystal as a threshold device |
| JPH1114990A (en) * | 1997-06-19 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Liquid crystal panel and its manufacture |
| CN1688924A (en) * | 2002-08-13 | 2005-10-26 | 秦内蒂克有限公司 | Phoretic display device with liquid crystalline suspension medium, and manufacturing method |
| CN1740853A (en) * | 2004-08-25 | 2006-03-01 | 鸿富锦精密工业（深圳）有限公司 | Semi-penetrating semi-reflecting type liquid crystal displaying device |
| CN101059626A (en) * | 2006-04-19 | 2007-10-24 | 群康科技(深圳)有限公司 | Penetration type liquid crystal display apparatus |
| CN101294002A (en) * | 2007-04-23 | 2008-10-29 | 上野制药株式会社 | Liquid crystalline polymer composition and molded article made of the same |
| WO2012019704A1 (en) * | 2010-08-07 | 2012-02-16 | Merck Patent Gmbh | Particles for electrophoretic displays |
-
2013
- 2013-01-30 CN CN2013100360021A patent/CN103105689A/en active Pending
- 2013-01-30 CN CN201510281827.9A patent/CN104849933A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305807A (en) * | 1980-03-13 | 1981-12-15 | Burroughs Corporation | Electrophoretic display device using a liquid crystal as a threshold device |
| JPH1114990A (en) * | 1997-06-19 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Liquid crystal panel and its manufacture |
| CN1688924A (en) * | 2002-08-13 | 2005-10-26 | 秦内蒂克有限公司 | Phoretic display device with liquid crystalline suspension medium, and manufacturing method |
| CN1740853A (en) * | 2004-08-25 | 2006-03-01 | 鸿富锦精密工业（深圳）有限公司 | Semi-penetrating semi-reflecting type liquid crystal displaying device |
| CN101059626A (en) * | 2006-04-19 | 2007-10-24 | 群康科技(深圳)有限公司 | Penetration type liquid crystal display apparatus |
| CN101294002A (en) * | 2007-04-23 | 2008-10-29 | 上野制药株式会社 | Liquid crystalline polymer composition and molded article made of the same |
| WO2012019704A1 (en) * | 2010-08-07 | 2012-02-16 | Merck Patent Gmbh | Particles for electrophoretic displays |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490695A (en) * | 2018-04-28 | 2018-09-04 | 新辉开科技（深圳）有限公司 | A kind of liquid crystal display for electronic license plate |
| CN108681156A (en) * | 2018-04-28 | 2018-10-19 | 新辉开科技（深圳）有限公司 | A kind of electronic license plate liquid crystal display of different background color |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103105689A (en) | 2013-05-15 |
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Application publication date: 20150819 |