CN103105689A - High-contrast low-power consumption liquid crystal display - Google Patents
High-contrast low-power consumption liquid crystal display Download PDFInfo
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- CN103105689A CN103105689A CN2013100360021A CN201310036002A CN103105689A CN 103105689 A CN103105689 A CN 103105689A CN 2013100360021 A CN2013100360021 A CN 2013100360021A CN 201310036002 A CN201310036002 A CN 201310036002A CN 103105689 A CN103105689 A CN 103105689A
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- liquid crystal
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- crystal display
- power consumption
- low power
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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
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- 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
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- 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-contrast low-power consumption liquid crystal display which comprises a control plate and a liquid crystal display (LCD) body, wherein the LCD body comprises an upper glass substrate, an indium tin oxide (ITO) conductive glass layer, a vertically-aligned polyimide (PI) layer, a PI layer which is arranged in parallel, an ITO conductive glass layer and a lower glass substrate. A novel optical design is utilized, and white fine grain materials and 0.5%-3.5% black dye are added in nematic liquid crystal, and meanwhile a high-voltage drive chip integrated circuit (IC) is chosen, and high-voltage drive is carried out in procedure drive so as to enable the white fine grains to be collected on the LCD body or on the lower PI layer along with electric field, and therefore the novel liquid crystal display has the advantages of having a white background, a high contrast, a wide visual angle and a memory function.
Description
Technical field
The invention belongs to technical field of liquid crystal display, in particular a kind of high contrast low power consumption liquid crystal display.
Background technology
Present development along with display technique, performance to display technique is also had higher requirement, at present in order to guarantee that displaying contents is constant, LCD drives and for the IC frame frequency, pixel is scanned, and the IC frame frequency will constantly provide the news signal, so electric current is larger, power consumption will be larger, and adopt present general bistable display technologies, although can reach the low-power consumption purpose, background color and visual angle existing problems.Although electronic paper technology can address the above problem, and is too expensive, therefore need to solve low-power consumption, high contrast, white background look, wide visual angle while solution cheaply on display technique, this will be a challenge of display technique.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
The present invention adds by new optical design and employing the material that brightens background color in nematic crystal, drive at the driven by program high voltage appearance after selecting simultaneously to drive chip IC, in order to obtain the demonstration of high-contrast, allocate the black dyes of 0.5-3.5% into before the liquid crystal display material perfusion, liquid crystal adjustment with voltage in the driving process is changed, to obtain the white background high-contrast as purpose, provide a kind of high contrast low power consumption liquid crystal display.
Technical scheme of the present invention is as follows:
A kind of high contrast low power consumption liquid crystal display comprises a control panel and LCD, and wherein, described LCD comprises top glass substrate, ITO conductive glass layer, vertical orientated PI layer, the PI layer that is arranged in parallel, ITO conductive glass layer, lower glass substrate.
Described high contrast low power consumption liquid crystal display, wherein, described liquid crystal layer is between described vertical orientated PI layer and the described PI layer that is arranged in parallel.
Described high contrast low power consumption liquid crystal display, wherein, described thickness of liquid crystal layer is 3-15um, described liquid crystal layer liquid crystal is nematic crystal.
Described high contrast low power consumption liquid crystal display, wherein, described nematic crystal layer is the nematic crystal that contains the black dyes of 0.5-3.5%, and adds the fine particle of white, 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 low power consumption liquid crystal display, wherein, the inclination angle that described vertical orientated PI layer is set is the 89-90 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness mates with described vertical orientated PI layer and is set to homeotropic alignment.
Described high contrast low power consumption liquid crystal display, wherein, the inclination angle that described parallel-oriented PI layer is set is the 1-5 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness mates with described parallel-oriented PI layer and is set to be arranged in parallel.
Described high contrast low power consumption liquid crystal display, wherein, described control panel is controlled fine particle and the described black dyes of described white and is arranged along described vertical orientated PI layer when positive pulse.
Described high contrast low power consumption liquid crystal display, wherein, described control panel is controlled fine particle and the described black dyes of described white and is arranged along described parallel-oriented PI layer when negative pulse.
Described high contrast low power consumption liquid crystal display, wherein, described control panel is controlled described white fine particle and described black dyes, and to remain on described vertical orientated PI layer or described parallel-oriented PI layer arrangement architecture when closing voltage constant.
Described high contrast low power consumption liquid crystal display, wherein, the direction to counter-rotating when the described control panel white fine particle of control and described black dyes power up inversion pulse outside moves gathering.
Adopt such scheme, add the black dyes of white fine particle material and 0.5-3.5% by new optical design and employing in nematic crystal, select simultaneously to carry out high voltage drive after the high voltage drive chip IC in driven by program, white fine particle is moved with electric field be gathered in the upper of LCD or lower PI layer, thereby solved white background, high-contrast, wide visual angle has the Novel LCD of memory function.
Description of drawings
Fig. 1 is LCD structural representation under positive pulse in liquid crystal display of the present invention;
Fig. 2 is LCD structural representation 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 Fig. 1-shown in Figure 2, the LCD structural design is: top glass substrate 10, ITO layer 20, vertical orientated PI layer 30, the PI layer 60 that is arranged in parallel, ITO layer 70, lower glass substrate 80.The liquid crystal layer box is thick will be controlled between 3-15um.The black dyes nematic crystal of the white fine particle of perfusion and 0.5-3.5% in liquid crystal cell.
The 5-1000nm scope) and the nematic crystal that contains the black dyes of 0.5-3.5% poured in LCD and added white fine particle (diameter:, liquid crystal molecule is vertical orientated PI near the upper PI layer 30 of LCD, tilt angle is the 89-90 degree, liquid crystal molecule 40 carries out homeotropic alignment, be parallel-oriented PI near PI layer 60 under LCD, tilt angle is the 1-5 degree, and liquid crystal molecule 50 is arranged in parallel.Add specific white fine particle, in the situation that the positive pulse particle will along on vertical PI layer 30 arrange, in the situation that 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 along lower parallel PI layer 60 to arrange, when closing voltage, the white fine particle is constant with arrangement architecture on the PI layer that keeps, and when adding the electric pulse counter-rotating, white fine particle will be assembled to an other interface movement again.Adjust arbitrarily the ordered state of liquid crystal molecule on each pixel by the driving of IC, the white fine particle also can carry out having the variation according to electric field to assemble up and down arbitrarily, and in liquid crystal molecule because contain the black dyes of 0.5-3.5%, when liquid crystal is driven by voltage, its dye molecule that adds is wherein also followed the driving of liquid crystal molecule and permutations is occured, and so just can reach a kind of demonstration of high-contrast.Have height because of white fine particle material simultaneously and remain on the interface state of aggregation, so this demonstration has memory function.Need the change show state only need to carry out the electric field adjustment to it by IC at every turn and just can reach other displaying contents.
Every black dyes that adopts white fine particle material and added 0.5-3.5% between two layers of ito glass, go up simultaneously (/ under) the vertical orientated PI of base plate glass PI layer employing, 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 low power consumption 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, the PI layer 60 that is arranged in parallel, ITO conductive glass layer 70, 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 the described PI layer 60 that is 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 that contains the black dyes of 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 that described vertical orientated PI layer is set is the 89-90 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness and described vertical orientated PI layer 30 coupling are set to homeotropic alignment.
On the basis of above-described embodiment, wherein, the inclination angle that described parallel-oriented PI layer is set is the 1-5 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness and described parallel-oriented PI layer 60 coupling are set to be arranged in parallel.
On the basis of above-described embodiment, wherein, described control panel is controlled fine particle and the described black dyes of described white and is arranged along described vertical orientated PI layer 30 when positive pulse.
On the basis of above-described embodiment, wherein, described control panel is controlled fine particle and the described black dyes of described white and is arranged along described parallel-oriented PI layer 30 when negative pulse.
On the basis of above-described embodiment, wherein, described control panel is controlled described white fine particle and described black dyes, and to remain on described vertical orientated PI layer 30 or described parallel-oriented PI layer 60 arrangement architecture when closing voltage constant.
On the basis of above-described embodiment, wherein, the direction to counter-rotating when the described control panel white fine particle of control and described black dyes power up inversion pulse outside moves gathering.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improve and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. one kind high contrast low power consumption liquid crystal display, comprise a control panel and LCD, it is characterized in that, described LCD comprises top glass substrate, ITO conductive glass layer, vertical orientated PI layer, the PI layer that is arranged in parallel, ITO conductive glass layer, lower glass substrate.
2. high contrast low power consumption liquid crystal display as claimed in claim 1, is characterized in that, described liquid crystal layer is between described vertical orientated PI layer and the described PI layer that is arranged in parallel.
3. high contrast low power consumption liquid crystal display as claimed in claim 2, is characterized in that, described thickness of liquid crystal layer is 3-15um, and described liquid crystal layer liquid crystal is nematic crystal.
4. high contrast low power consumption liquid crystal display as claimed in claim 3, is characterized in that, described nematic crystal layer is the nematic crystal that contains the black dyes of 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.
5. height as claimed in claim 4 contrasts low power consumption liquid crystal display, it is characterized in that, the inclination angle that described vertical orientated PI layer is set is the 89-90 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness and described vertical orientated PI layer coupling are set to homeotropic alignment.
6. height as claimed in claim 5 contrasts low power consumption liquid crystal display, it is characterized in that, the inclination angle that described parallel-oriented PI layer is set is the 1-5 degree, and the liquid crystal in the described liquid crystal layer of 1/2nd thickness and described parallel-oriented PI layer coupling are set to be arranged in parallel.
7. high contrast low power consumption liquid crystal display as claimed in claim 6, is characterized in that, described control panel is controlled fine particle and the described black dyes of described white and arranged along described vertical orientated PI layer when positive pulse.
8. high contrast low power consumption liquid crystal display as claimed in claim 7, is characterized in that, described control panel is controlled fine particle and the described black dyes of described white and arranged along described parallel-oriented PI layer when negative pulse.
9. height as claimed in claim 8 contrasts low power consumption liquid crystal display, it is characterized in that, described control panel is controlled described white fine particle and described black dyes, and to remain on described vertical orientated PI layer or described parallel-oriented PI layer arrangement architecture when closing voltage constant.
10. high contrast low power consumption liquid crystal display as claimed in claim 9, is characterized in that, the direction to counter-rotating when the described control panel white fine particle of control and described black dyes power up inversion pulse outside moves gathering.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281827.9A CN104849933A (en) | 2013-01-30 | 2013-01-30 | High-contract liquid crystal display |
| CN2013100360021A CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100360021A CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510281827.9A Division CN104849933A (en) | 2013-01-30 | 2013-01-30 | High-contract liquid crystal display |
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| CN103105689A true CN103105689A (en) | 2013-05-15 |
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| CN201510281827.9A Pending CN104849933A (en) | 2013-01-30 | 2013-01-30 | High-contract liquid crystal display |
| CN2013100360021A Pending CN103105689A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510281827.9A Pending CN104849933A (en) | 2013-01-30 | 2013-01-30 | High-contract liquid crystal display |
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| 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 (2)
| 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 |
| CN101059626A (en) * | 2006-04-19 | 2007-10-24 | 群康科技(深圳)有限公司 | Penetration type liquid crystal display apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN100383614C (en) * | 2004-08-25 | 2008-04-23 | 鸿富锦精密工业（深圳）有限公司 | Semi-penetration and semi-reflective liquid crystal display device |
| JP5384023B2 (en) * | 2007-04-23 | 2014-01-08 | 上野製薬株式会社 | Liquid crystal polymer composition and molded article comprising the same |
| KR101982356B1 (en) * | 2010-08-07 | 2019-09-10 | 메르크 파텐트 게엠베하 | Particles for electrophoretic displays |
-
2013
- 2013-01-30 CN CN201510281827.9A patent/CN104849933A/en active Pending
- 2013-01-30 CN CN2013100360021A patent/CN103105689A/en active Pending
Patent Citations (2)
| 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 |
| CN101059626A (en) * | 2006-04-19 | 2007-10-24 | 群康科技(深圳)有限公司 | Penetration type liquid crystal display apparatus |
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| CN104849933A (en) | 2015-08-19 |
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Owner name: WU XINXIAN Free format text: FORMER OWNER: JIANGSU YICHENG PHOTOELECTRIC TECHNOLOGY CO.,LTD. Effective date: 20150428 |
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Inventor after: Wu Xinxian Inventor before: Gan Linjun Inventor before: Xu Hao |
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Free format text: CORRECT: INVENTOR; FROM: GAN LINJUN XU HAO TO: WU XINXIAN Free format text: CORRECT: ADDRESS; FROM: 215631 SUZHOU, JIANGSU PROVINCE TO: 215634 SUZHOU, JIANGSU PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150428 Address after: 212 room 215634, building A, emerging industry incubation center, Zhangjiagang Free Trade Zone, Jiangsu, Suzhou, Applicant after: Wu Xinxian Address before: Suzhou City, Jiangsu province 215631 Zhangjiagang Houchen Village. Applicant before: Jiangsu Yicheng Photoelectric Technology Co.,Ltd. |
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Application publication date: 20130515 |