CN103105690A - High-contrast low-power consumption liquid crystal display - Google Patents
High-contrast low-power consumption liquid crystal display Download PDFInfo
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- CN103105690A CN103105690A CN2013100361611A CN201310036161A CN103105690A CN 103105690 A CN103105690 A CN 103105690A CN 2013100361611 A CN2013100361611 A CN 2013100361611A CN 201310036161 A CN201310036161 A CN 201310036161A CN 103105690 A CN103105690 A CN 103105690A
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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, 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 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 is by new optical design, and add the material that brightens background color in nematic crystal, after selecting simultaneously to drive chip IC, drive at the driven by program high voltage appearance, obtaining the white background high-contrast is purpose, and a kind of high contrast low power consumption liquid crystal display is provided.
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 3-5um, described liquid crystal layer liquid crystal is nematic crystal.
Described high contrast low power consumption liquid crystal display wherein, adds the fine particle of white to described liquid crystal layer, the fine particle diameter of described white is 5-1000nm, and described white particles 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 the fine particle 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 the fine particle 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 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 white fine particle of described control panel control powers up inversion pulse outside moves gathering.
Adopt such scheme, add white fine particle material by new optical design and employing in nematic crystal, after selecting simultaneously the high voltage drive chip IC, carry out high voltage drive 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 and the Novel LCD with 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, LCD structure of the present invention is: top glass substrate 10, ITO 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.The liquid crystal layer box is thick will be controlled between 3-5um.Pour into nematic crystal in liquid crystal cell.
Poured in LCD and added white fine particle (diameter: the nematic crystal 5-1000nm scope), 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.Added 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, white fine particle also can carry out having the variation according to electric field to assemble up and down arbitrarily, 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.When needing to change show state, only need to carry out the electric field adjustment to it by IC at every turn, just can show that other needs displaying contents.
Everyly adopt white fine particle materials at two layers of ito glass interlayer, go up simultaneously (/ under) base plate glass PI layer and adopt vertical orientated PI, under (/ on) parallel-oriented PI of base plate glass PI layer employing etc., all belong to the technical scope of this patent.
Embodiment 2
On the basis of above-described embodiment, as Fig. 1-shown in Figure 2, 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 3-5um, and described liquid crystal layer liquid crystal is nematic crystal.
On the basis of above-described embodiment, wherein, add the fine particle of white to described liquid crystal layer, the fine particle diameter of described white is 5-1000nm, described white particles 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 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 coupling are set to be arranged in parallel.
On the basis of above-described embodiment, wherein, described control panel is controlled the fine particle of described white and is arranged along described vertical orientated PI layer when positive pulse.
On the basis of above-described embodiment, wherein, described control panel is controlled the fine particle of described white and is arranged along described parallel-oriented PI layer when negative pulse.
On the basis of above-described embodiment, wherein, described control panel is controlled described white fine particle, and to remain on described vertical orientated PI layer or described parallel-oriented PI layer arrangement architecture when closing voltage constant.
On the basis of above-described embodiment, wherein, the direction to counter-rotating when the white fine particle of described control panel control powers 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 3-5um, 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, add the fine particle of white to described liquid crystal layer, the fine particle diameter of described white is 5-1000nm, and described white particles 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 the fine particle 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 the fine particle of described white and arranged along described parallel-oriented PI layer when negative pulse.
9. high contrast low power consumption liquid crystal display as claimed in claim 8, is characterized in that, described control panel is controlled described white fine particle, 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 white fine particle of described control panel control powers up inversion pulse outside moves gathering.
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| CN2013100361611A CN103105690A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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| CN2013100361611A CN103105690A (en) | 2013-01-30 | 2013-01-30 | High-contrast low-power consumption liquid crystal display |
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| CN1216122A (en) * | 1996-04-16 | 1999-05-05 | 大不列颠及北爱尔兰联合王国国防大臣 | Liquid crystal device |
| CN1363849A (en) * | 2001-01-11 | 2002-08-14 | 希毕克斯幻像有限公司 | Improved transmissive and reflective liquid crystal display and method thereof |
| 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 |
| CN101059626A (en) * | 2006-04-19 | 2007-10-24 | 群康科技(深圳)有限公司 | Penetration type liquid crystal display apparatus |
| WO2012019704A1 (en) * | 2010-08-07 | 2012-02-16 | Merck Patent Gmbh | Particles for electrophoretic displays |
| CN102375267A (en) * | 2010-08-12 | 2012-03-14 | 乐金显示有限公司 | Liquid crystal display device |
| CN202189205U (en) * | 2011-08-03 | 2012-04-11 | 京东方科技集团股份有限公司 | Liquid crystal panel and liquid crystal display |
| CN203232222U (en) * | 2013-01-30 | 2013-10-09 | 江苏亿成光电科技有限公司 | High contrast low-power LCD |
| CN203376533U (en) * | 2013-01-30 | 2014-01-01 | 江苏亿成光电科技有限公司 | High-contrast low-power consumption liquid crystal display |
-
2013
- 2013-01-30 CN CN2013100361611A patent/CN103105690A/en active Pending
Patent Citations (11)
| 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 |
| CN1216122A (en) * | 1996-04-16 | 1999-05-05 | 大不列颠及北爱尔兰联合王国国防大臣 | Liquid crystal device |
| CN1363849A (en) * | 2001-01-11 | 2002-08-14 | 希毕克斯幻像有限公司 | Improved transmissive and reflective liquid crystal display and method thereof |
| US20040169813A1 (en) * | 2001-01-11 | 2004-09-02 | Rong-Chang Liang | Transmissive or reflective liquid crystal display and process for 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 |
| CN101059626A (en) * | 2006-04-19 | 2007-10-24 | 群康科技(深圳)有限公司 | Penetration type liquid crystal display apparatus |
| WO2012019704A1 (en) * | 2010-08-07 | 2012-02-16 | Merck Patent Gmbh | Particles for electrophoretic displays |
| CN102375267A (en) * | 2010-08-12 | 2012-03-14 | 乐金显示有限公司 | Liquid crystal display device |
| CN202189205U (en) * | 2011-08-03 | 2012-04-11 | 京东方科技集团股份有限公司 | Liquid crystal panel and liquid crystal display |
| CN203232222U (en) * | 2013-01-30 | 2013-10-09 | 江苏亿成光电科技有限公司 | High contrast low-power LCD |
| CN203376533U (en) * | 2013-01-30 | 2014-01-01 | 江苏亿成光电科技有限公司 | High-contrast low-power consumption liquid crystal display |
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Application publication date: 20130515 |