CN1641428A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN1641428A CN1641428A CN 200410015085 CN200410015085A CN1641428A CN 1641428 A CN1641428 A CN 1641428A CN 200410015085 CN200410015085 CN 200410015085 CN 200410015085 A CN200410015085 A CN 200410015085A CN 1641428 A CN1641428 A CN 1641428A
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- liquid crystal
- crystal indicator
- infrabasal plate
- semi
- reflective layer
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Abstract
This invention is about a kind of liquid crystal display device which includes a upper basal board, a nether basal board, a pels electrode, a common electrode and a liquid crystal layer. The pels and common electrode are both equipped on the nether basal board. The electric field formed by the pels and common electrode and parallel with the nether basal board has vectors in the aclinic direction. The two polarizing segments are respectively equipped on the upper and nether basal boards. The liquid crystal layer is nipped between the upper and the nether basal board. There equipped a half-reflecting layer on the nether 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]
Liquid crystal indicator because have that radiation is low, characteristics such as thin thickness and power consumption are low, therefore extensive gradually on using, and along with the continuous maturation and the innovation of correlation technique, its kind is also various day by day.Usually when the user watched liquid crystal indicator from different perspectives, the contrast of image can reduce along with the increase of viewing angle, thereby produced angle limitations.Overcome the narrow defective of twisted nematic and super-twist nematic liquid crystal indicator visual angle for knowing clearly, 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.This kind IPS liquid crystal indicator and traditional twisted nematic and the difference of super-twist nematic liquid crystal indicator are: its public electrode and pixel electrode are arranged on the same substrate, utilize the transverse horizontal electric field that produces between public electrode and the pixel electrode to make liquid crystal molecule rotate in the plane, thereby possess wide viewing angle and the fast characteristic of liquid crystal molecule response speed.
Seeing also Fig. 1, is a kind of IPS type liquid crystal indicator of prior art.This liquid crystal indicator 1 comprises two relative transparent upper 10 and infrabasal plate 20, and liquid crystal molecule 30 is distributed between this upper substrate 10 and the infrabasal plate 20.Transparent common electrode 11, a transparent insulating layer 12, transparent pixels electrode 13 and once alignment film 14 be arranged on this infrabasal plate 20 inboards, this pixel electrode 13 and these public electrode 11 parallel infrabasal plate 20 inboards that alternately are arranged in.Alignment film 16 is arranged on the inboard of upper substrate 10 in regular turn on one colored filter 15 and, and this colored filter 15 comprises a plurality of black matrix"s that are arranged alternately and dyed layer (figure does not show).The mutually perpendicular polaroid 40,41 in a pair of polarization direction is attached to the outside of substrate 10,20 respectively.
Because this liquid crystal indicator 1 can't provide light for demonstration under surround lighting, the demonstration of this liquid crystal indicator 1 need rely on the light that its module backlight (figure does not show) is sent, because module backlight is the main energy-dissipating device of entire liquid crystal display device, account for half of all power consumptions, if only relying on module backlight provides light and can't utilize environment light source that light is provided, will make the entire liquid crystal display device power consumption increase, 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, an infrabasal plate, a pixel electrode, a public electrode and a liquid crystal layer, this pixel electrode and this public electrode all are arranged on the infrabasal plate, the electric field that is parallel to infrabasal plate that this pixel electrode and this public electrode form has the horizontal direction vector, two polaroids are separately positioned on this upper substrate and the infrabasal plate, this liquid crystal layer is clipped between this upper substrate and this infrabasal plate, and infrabasal plate is provided with a 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, the light source of can be jointly or utilizing external environment light and liquid crystal indicator inside separately provides light for the demonstration of image, when surround lighting is not enough, can mainly reach the purpose of demonstration by the use light beam that backlight sent, when the surround lighting famine, can use backlight fully.Because liquid crystal indicator of the present invention not exclusively relies on backlight light is provided, reach the liquid crystal indicator that shows purpose with relying on the backlight light fully and compare, can reduce the power consumption of backlight, reach purpose of energy saving.
[description of drawings]
Fig. 1 is the diagrammatic cross-section of prior art liquid crystal indicator.
Fig. 2 is the diagrammatic cross-section of liquid crystal indicator first embodiment of the present invention
Fig. 3 is the diagrammatic cross-section of liquid crystal indicator second embodiment of the present invention.
[embodiment]
Fig. 2 is the diagrammatic cross-section of liquid crystal indicator first embodiment of the present invention.Liquid crystal indicator 2 of the present invention comprises infrabasal plate 220, the liquid crystal layer 230 that a upper substrate 210, one and this upper substrate 210 are oppositely arranged, and this liquid crystal layer 230 is clipped between this two substrates 210,220.These upper substrate 210 inner surfaces are provided with both alignment layers 216 on a colored filter 215 and, and these upper substrate 210 arranged outside have polaroid 240 on.These infrabasal plate 220 inner surfaces are provided with public electrode 211, an insulation course 212, pixel electrode 213, a semi-reflective layer 217 and both alignment layers 214 once, wherein this pixel electrode 213 and these public electrode 211 parallel being arranged alternately, these infrabasal plate 220 arranged outside are polaroid 241 once.Wherein, this liquid crystal layer 230 comprises a plurality of liquid crystal molecules, and this insulation course 212 adopts the transparent insulation material, makes to keep electric insulation between this public electrode 211 and the pixel electrode 213.This public electrode 211 and pixel electrode 213 adopts transparent conductive materials to make, for example 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 220 between this public electrode 211 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 220.
This semi-reflective layer 217 is positioned at infrabasal plate 220 inboards, is to pile up by multilayer dielectric material to form.When 2 work of this liquid crystal indicator, the light beam irradiates of launching from backlight (figure does not show) can be so that the light beam that shines on this semi-reflective layer 217 partly passes through, for demonstration provides a light source to this semi-reflective layer 217 time; When external environment light (figure do not show) when shining on this semi-reflective layer 217, can reflect at this semi-reflective layer 217, light beam is 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.
Seeing also Fig. 3, is the diagrammatic cross-section of liquid crystal indicator second embodiment of the present invention.The difference of this liquid crystal indicator and liquid crystal indicator 2 is: this semi-reflective layer 317 is to be piled up by multilayer dielectric material to form between infrabasal plate 320 and following polaroid 341.When 3 work of this liquid crystal indicator, the light beam irradiates of launching from backlight (figure does not show) can be so that the light beam that shines on this semi-reflective layer 317 partly passes through, for demonstration provides a light source to this semi-reflective layer 317 time; When external environment light (figure do not show) when shining on this semi-reflective layer 317, can reflect at this semi-reflective layer 317, light beam is reflected back toward this liquid crystal layer 330, for demonstration provides another light source.This two light source can jointly or separately for this liquid crystal indicator 3 provides light, realization shows.
Claims (7)
1. liquid crystal indicator, comprise a upper substrate, an infrabasal plate, a pixel electrode, a public electrode and a liquid crystal layer, this pixel electrode and this public electrode all are arranged on the infrabasal plate, the electric field that is parallel to infrabasal plate that this pixel electrode and this public electrode form has the horizontal direction vector, two polaroids are separately positioned on this upper substrate and the infrabasal plate, this liquid crystal layer is clipped between this upper substrate and this infrabasal plate, it is characterized in that: infrabasal plate is provided with a 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: this semi-reflective layer is to pile up to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015085 CN1641428A (en) | 2004-01-05 | 2004-01-05 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015085 CN1641428A (en) | 2004-01-05 | 2004-01-05 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1641428A true CN1641428A (en) | 2005-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410015085 Pending CN1641428A (en) | 2004-01-05 | 2004-01-05 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1641428A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566578B (en) * | 2008-04-25 | 2012-07-18 | 深超光电（深圳）有限公司 | Method for inspecting panel for detecting and colored filter |
| WO2016107105A1 (en) * | 2014-12-30 | 2016-07-07 | 京东方科技集团股份有限公司 | Display panel and display device |
-
2004
- 2004-01-05 CN CN 200410015085 patent/CN1641428A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566578B (en) * | 2008-04-25 | 2012-07-18 | 深超光电（深圳）有限公司 | Method for inspecting panel for detecting and colored filter |
| WO2016107105A1 (en) * | 2014-12-30 | 2016-07-07 | 京东方科技集团股份有限公司 | Display panel and display device |
| US9817265B2 (en) | 2014-12-30 | 2017-11-14 | Boe Technology Group Co., Ltd. | Display panel and display device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |