CN1664662A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN1664662A CN1664662A CN 200410026419 CN200410026419A CN1664662A CN 1664662 A CN1664662 A CN 1664662A CN 200410026419 CN200410026419 CN 200410026419 CN 200410026419 A CN200410026419 A CN 200410026419A CN 1664662 A CN1664662 A CN 1664662A
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- Prior art keywords
- liquid crystal
- layer
- crystal indicator
- infrabasal plate
- semi
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 88
- 238000002161 passivation Methods 0.000 claims abstract description 15
- 230000005684 electric field Effects 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000035515 penetration Effects 0.000 abstract description 10
- 230000010287 polarization Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
The invention discloses about a liquid crystal display device, comprises: an upper base plate, a lower base plate, a liquid crystal layer, an upper orientation layer, a lower orientation layer, an upper polarization plate, a lower polarization plate, a plurality of pixel electrodes and common electrodes, the two polarization plate is placed on the outboard of the upper base plate and the lower base plate separately, the two orientation layer is placed in the inner of the upper base plate and the lower base plate separately, the liquid crystal layer is held between the upper orientation layer and the lower orientation layer, both the pixel electrodes and the common electrodes are equipped on the lower base plate, and forming an electric field which is parallel with the lower polarization plate and is provided with a horizontal direction vector. A half-reflecting layer is equipped on the lower base plate, the half-reflecting layer comprises a reflecting part and a penetration part, further equipping a passivation layer between the upper base plate and the upper orientation layer, the passivation layer corresponding with the reflecting part of the half-reflecting layer.
Description
[technical field]
The present invention relates to a kind of liquid crystal indicator, particularly about a kind of liquid crystal indicator that adopts the wide viewing angle technology.
[background technology]
Itself does not have the characteristics of luminescence liquid crystal in the liquid crystal indicator, and it is to adopt reversing of electric field controls liquid crystal molecule to realize passing through or not passing through of light, thereby reaches the purpose of demonstration.In traditional liquid crystal indicator, form electrode on the surface of two substrate of glass, be used for forming the electric field that the control liquid crystal molecule reverses, this electrode uses transparent material, and the electrode of two substrates is oppositely arranged, thereby forms the electric field vertical with substrate surface.Because liquid crystal molecule has electrically, so under the control of this electric field, the orientation of liquid crystal molecule will be perpendicular to substrate surface, but because the influence of physical force such as the interaction force of liquid crystal molecule between and gravity, make that the orientation of liquid crystal molecule can not be fully perpendicular to substrate surface, and the angle of inclination of each liquid crystal molecule is not quite similar, thereby, when the observer observes from different perspectives, different display effects will be observed, the visual angle defective of Here it is liquid crystal indicator.In order to overcome the narrow defective of twisted nematic and super-twist nematic liquid crystal indicator visual angle, HIT takes the lead in proposing the wide viewing angle liquid crystal display device (In-Plane Switching Mode abbreviates IPS as) of rotary mode in a kind of plane.
Seeing also Fig. 1, is the IPS type liquid crystal indicator of prior art.This liquid crystal indicator 1 comprises two relative transparent upper 10 and infrabasal plate 11, and a plurality of liquid crystal molecules 30 are distributed between this upper substrate 10 and the infrabasal plate 11.These upper substrate 10 inside surfaces are provided with both alignment layers 40 on; These infrabasal plate 11 inside surfaces are provided with transparent common electrode 12, a transparent insulating layer 60, transparent pixels electrode 13 and both alignment layers 41 once; The mutually perpendicular Polarizer 20,21 in a pair of polarization direction is attached to the outside surface of substrate 10,11 respectively.This IPS type liquid crystal indicator 1 is with the traditional twisted nematic and the difference of super-twist nematic liquid crystal indicator: this public electrode 12 all is arranged on the infrabasal plate 11 with this pixel electrode 13, the electric field that utilizes 13 generations of this public electrode 12 and this pixel electrode to be parallel to infrabasal plate 11 rotates liquid crystal molecule 30 on the plane that is parallel to infrabasal plate 11, thereby possesses wide viewing angle and the fast characteristic of liquid crystal molecule response speed.
Because this IPS type liquid crystal indicator 1 is under surround lighting, can't provide enough light for demonstration, so need relying on the light that its module backlight (figure do not show) sent, the demonstration of this IPS type liquid crystal indicator 1 is used for showing, because module backlight is the main energy-dissipating device of entire liquid crystal display device, account for half of all power consumptions, light is provided and can't utilizes surround lighting if only rely on module backlight, the entire liquid crystal display device power consumption is increased, be unfavorable for energy-conservation.
[summary of the invention]
In order to overcome the high defective of prior art liquid crystal indicator power consumption, the invention provides the lower liquid crystal indicator of a kind of power consumption.
The technical scheme of technical solution problem of the present invention is: a kind of liquid crystal indicator is provided, comprise a upper substrate, one infrabasal plate, one liquid crystal layer, both alignment layers on one, both alignment layers once, Polarizer on one, Polarizer once, a plurality of pixel electrodes and public electrode, this two Polarizer lays respectively at the outside of upper substrate and infrabasal plate, this two both alignment layers lays respectively at the inboard of upper substrate and infrabasal plate, this liquid crystal layer is clipped on this between the both alignment layers and this time both alignment layers, this pixel electrode and public electrode all are arranged on the infrabasal plate, form the electric field that is parallel to infrabasal plate and has the horizontal direction vector.Wherein, a semi-reflective layer is set on the infrabasal plate, this semi-reflective layer comprises reflecting part and penetrating component, between this upper substrate and the last both alignment layers passivation layer is set further, and this passivation layer is corresponding with the reflecting part of this semi-reflective layer.
Compared with prior art, advantage of the present invention is: the infrabasal plate of liquid crystal indicator of the present invention is provided with one deck semi-reflective layer, this semi-reflective layer comprises reflector space and penetration region, the light source that can use external environment light and liquid crystal indicator inside jointly or separately provides light for the demonstration of image, when surround lighting is not enough, can mainly reach the demonstration purpose, thereby this liquid crystal indicator can guarantee display quality and enlarge the range of application of display device under varying environment by the light that uses module backlight to send; This liquid crystal indicator has and the corresponding passivation layer of its reflector space, the thickness of liquid crystal layer that makes this reflector space is 1/2nd of a penetration region thickness of liquid crystal layer, make the light in this two zone equal by the optical path of liquid crystal layer, thereby make this reflector space and penetration region have similar optical characteristics, guarantee the display quality of this liquid crystal indicator; Provide illumination because of this liquid crystal indicator not exclusively relies on module backlight, reach the liquid crystal indicator that shows purpose with relying on module illumination backlight fully and compare, can reduce the power consumption of module backlight, reach purpose of energy saving.
[description of drawings]
Fig. 1 is the structural representation of prior art liquid crystal indicator.
Fig. 2 is the structural representation of liquid crystal indicator first embodiment of the present invention.
Fig. 3 is the structural representation of liquid crystal indicator first embodiment of the present invention.
[embodiment]
Seeing also Fig. 2, is the structural representation of liquid crystal indicator first embodiment of the present invention.Liquid crystal indicator 2 of the present invention comprises that infrabasal plate 211, that a upper substrate 210, one and this upper substrate 210 are oppositely arranged is clipped in the liquid crystal layer 230 between this two substrate 210,211.These upper substrate 210 inner surfaces are provided with a both alignment layers 240 and a passivation layer 250 on one, Polarizer 220 on these upper substrate 210 arranged outside one.These infrabasal plate 211 inner surfaces are provided with public electrode 212, an insulation course 260, pixel electrode 213, a semi-reflective layer 217 and both alignment layers 241 once, wherein this public electrode 212 and these pixel electrode 213 parallel interval settings can be vertical bar shape or curve list structure.These infrabasal plate 211 arranged outside are Polarizer 221 once.Wherein, this liquid crystal layer 230 comprises a plurality of liquid crystal molecules, and this insulation course 260 uses transparent insulation material, makes this public electrode 212 and pixel electrode 213 keep state of insulation.This public electrode 212 and pixel electrode 213 adopts transparent conductive materials to make, as tin indium oxide (Indium Tin Oxide, ITO) or indium zinc oxide (Indium Zinc Oxide, IZO) etc.When applying a driving voltage, can produce an electric field that is parallel to infrabasal plate 211 between this public electrode 212 and the pixel electrode 213, this electric field can make the liquid crystal molecule of liquid crystal layer 230 rotate in the plane that is parallel to infrabasal plate 211.
This semi-reflective layer 217 is positioned at the inboard of infrabasal plate 211, and this semi-reflective layer 217 comprises reflecting part 2171 and penetrating component 2172, and this reflecting part 2171 is dielectric materials of high reflectance, and this penetrating component 2172 is dielectric materials of high penetration.When 2 work of this liquid crystal indicator, the irradiate light of sending from module backlight (figure does not show) can be passed through this penetrating component 2172, for demonstration provides a light source to this penetrating component 2172 time; When external environment light (figure do not show) when shining on this reflecting part 2171, can reflect in this reflecting part 2171, light can be reflected back toward this liquid crystal layer 230, for demonstration provides another light source.This two light source can jointly or separately for this liquid crystal indicator 2 provides light, realization shows.Wherein, also can be arranged on infrabasal plate 211 outsides be between infrabasal plate 211 and the following Polarizer 221 to this semi-reflective layer 217.
Corresponding zone, the inboard reflecting part 2171 with this semi-reflective layer 217 attached to this upper substrate 210 of this passivation layer 250 is transparent insulation material.Should go up both alignment layers 240 and be attached to this passivation layer 250 surface and these upper substrate 210 inboards.This liquid crystal layer 230 is divided into reflector space 231 and penetration region 232, the thickness of liquid crystal layer of this reflector space 231 is less than the thickness of liquid crystal layer of this penetration region 232, usually the thickness of liquid crystal layer of this reflector space 231 be this penetration region 232 thickness of liquid crystal layer 1/2nd.
Because reflector space 231 thickness of liquid crystal layer of this liquid crystal layer 230 are 1/2nd of these penetration region 232 liquid crystal depths, thereby the optical path of external environment light by the reflector space 231 of this liquid crystal layer 230 and the light that sends from backlight (figure does not show) optical path by the penetration region 232 of this liquid crystal layer 230 about equally, guarantee that it has similar optical characteristics, the display quality of this liquid crystal indicator 2 is improved.
Seeing also Fig. 3, is the liquid crystal indicator second embodiment synoptic diagram of the present invention.The present embodiment liquid crystal indicator 3 and the first embodiment liquid crystal indicator 2 are roughly the same, its difference is, this passivation layer 350 can be made into these both alignment layers 340 contacted surfaces has several projections 351, when external environment light (shown in the arrow) when shining this passivation layer 350, this projection 351 can make the light generation scattering that shines on it, can eliminate the phenomenon of light generation direct reflection.
Claims (9)
1. liquid crystal indicator, comprise a upper substrate, one infrabasal plate, one liquid crystal layer, both alignment layers on one, both alignment layers once, Polarizer on one, Polarizer once, a plurality of pixel electrodes and public electrode, this two Polarizer lays respectively at the outside of upper substrate and infrabasal plate, this two both alignment layers lays respectively at the inboard of upper substrate and infrabasal plate, this liquid crystal layer is clipped on this between the both alignment layers and this time both alignment layers, this pixel electrode and public electrode all are arranged on the infrabasal plate, formation is parallel to infrabasal plate and has the electric field of horizontal direction vector, it is characterized in that: a semi-reflective layer is set on the infrabasal plate, this semi-reflective layer comprises reflecting part and penetrating component, between this upper substrate and the last both alignment layers passivation layer is set further, this passivation layer is corresponding with the reflecting part of this semi-reflective layer.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: the pixel electrode of this liquid crystal indicator is a transparent conductive material.
3. liquid crystal indicator as claimed in claim 1 is characterized in that: the public electrode of this liquid crystal indicator is a transparent conductive material.
4. liquid crystal indicator as claimed in claim 1 is characterized in that: this semi-reflective layer is positioned at the infrabasal plate inboard.
5. liquid crystal indicator as claimed in claim 1 is characterized in that: this semi-reflective layer is positioned at the infrabasal plate outside.
6. liquid crystal indicator as claimed in claim 1 is characterized in that: this semi-reflective layer is a dielectric material.
7. liquid crystal indicator as claimed in claim 1 is characterized in that: wherein this passivation layer is to have a plurality of projections.
8. liquid crystal indicator as claimed in claim 1 is characterized in that: with the corresponding thickness of liquid crystal layer of this passivation layer less than the corresponding thickness of liquid crystal layer of penetrating component.
9. liquid crystal indicator as claimed in claim 1 is characterized in that: with the corresponding thickness of liquid crystal layer of this passivation layer is 1/2nd of the corresponding thickness of liquid crystal layer of penetrating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410026419 CN1664662A (en) | 2004-03-05 | 2004-03-05 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410026419 CN1664662A (en) | 2004-03-05 | 2004-03-05 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1664662A true CN1664662A (en) | 2005-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410026419 Pending CN1664662A (en) | 2004-03-05 | 2004-03-05 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1664662A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374924C (en) * | 2005-02-03 | 2008-03-12 | 精工爱普生株式会社 | Liquid crystal display device and electronic equipment |
| WO2014056186A1 (en) * | 2012-10-08 | 2014-04-17 | 深圳市华星光电技术有限公司 | Polaroid structure and liquid crystal display panel |
-
2004
- 2004-03-05 CN CN 200410026419 patent/CN1664662A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374924C (en) * | 2005-02-03 | 2008-03-12 | 精工爱普生株式会社 | Liquid crystal display device and electronic equipment |
| WO2014056186A1 (en) * | 2012-10-08 | 2014-04-17 | 深圳市华星光电技术有限公司 | Polaroid structure and liquid crystal display panel |
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