JPS62100734A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPS62100734A JPS62100734A JP24091485A JP24091485A JPS62100734A JP S62100734 A JPS62100734 A JP S62100734A JP 24091485 A JP24091485 A JP 24091485A JP 24091485 A JP24091485 A JP 24091485A JP S62100734 A JPS62100734 A JP S62100734A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- electrode
- insulating film
- picture element
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、液晶表示装置の表示品質の向上に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to improving the display quality of a liquid crystal display device.
本発明は、液晶表示装置において、画素駆動電極上に形
成した直流電圧をｓ′ｆｆｒする絶Ｒ膜の上に７０−テ
ィング状態の電極を設けたことにより、液晶層に加わる
電圧を１画素単位で平均化し、著しい表示上のむら等を
低減し表示品質の向上を計ったものである。The present invention provides a liquid crystal display device in which the voltage applied to the liquid crystal layer is controlled in units of one pixel by providing an electrode in a 70-ting state on the absolute R film formed on the pixel drive electrode to s'ffr the DC voltage. The aim is to improve display quality by averaging the images and reducing significant display unevenness.
従来の液晶表示装置は、液晶Ｉｉ、ｄに直流電圧が加わ
ると、その信頼性が低下するため、第２図に示すように
、一方のガラス基板７と他方のガラス基板８の間に液晶
層３を挾み、上記一方のガラス基板７の上へ画素駆動磁
極１の上に、絶縁膜２を形成して、これを直流電圧を遮
断するコンデンサとして用い、この絶縁膜２と他方のガ
ラス基板８の上の対向電極９の間に液晶層３を挾んで駆
動していた。In conventional liquid crystal display devices, the reliability of liquid crystals Ii, d decreases when a DC voltage is applied to them, so as shown in FIG. An insulating film 2 is formed on the pixel driving magnetic pole 1 on one of the glass substrates 7 and used as a capacitor to cut off DC voltage, and the insulating film 2 and the other glass substrate 3 are sandwiched between them. The liquid crystal layer 3 was sandwiched between a counter electrode 9 on top of the liquid crystal layer 8 and was driven.
〔発明が解決しようとする＃ｊ肩点及び目的〕しかし、
前述の従来技術では、第２図に示すように、画素電極１
の上に形成された絶縁膜２に、不均一な部分４（例えば
膜厚が不均一な部分、膜質の不均一な部分等）が存在し
た場合、その不均一な部分が第２図のように１画素より
小さい場合に、１画素内で、液晶１−に加わる電圧が不
均一になり液晶の電気光学的な変化による光の透過にむ
らが生じる。さらに不均一の度合により不均一な部分の
影響は１画素にとどまらず隣接する他の画素からも不均
一部分に電気力線５が果申し、電気力線に添って液晶が
配列することにより、光の透過を制御する液晶層におい
ては、数画素分の表示上のむらとなってしまうという問
題点を有していた。[#j Point and purpose that the invention seeks to solve] However,
In the prior art described above, as shown in FIG.
If there is an uneven part 4 (for example, an uneven film thickness, an uneven film quality, etc.) in the insulating film 2 formed on the insulating film 2, the non-uniform part is formed as shown in FIG. When the voltage is smaller than one pixel, the voltage applied to the liquid crystal 1- becomes non-uniform within one pixel, resulting in uneven light transmission due to electro-optical changes in the liquid crystal. Furthermore, depending on the degree of non-uniformity, the influence of the non-uniform area is not limited to one pixel, but also from other adjacent pixels to the non-uniform area, and as a result, the liquid crystals are aligned along the electric lines of force. The liquid crystal layer that controls the transmission of light has a problem in that it results in display irregularities corresponding to several pixels.
そこで本発明は、従来、のこのような問題を解決するも
ので、その目的とするところは、表示むらの小ない液晶
表示装置を提供するところにある。SUMMARY OF THE INVENTION The present invention is intended to solve these conventional problems, and an object of the present invention is to provide a liquid crystal display device with little display unevenness.
本発明の液晶表示装置は、
ａ）画素駆動電極を形成したガラス基板と、対向電極を
形成した他のガラス基板とを向い合わせ上記電極間に液
晶Ｉ―を挟んでなる液晶表示装置において、
ｂ） ＩｆＩ素駆動駆動電極上流電圧を遮断する絶縁
膜を形成し、
Ｃ）前記絶縁膜上に画素駆動を極に対応するフローティ
ング状態の電極を設け、
ｄ〕 液晶層を、対向電極と該フローティング状態の電
極で駆動することを特徴とする。The liquid crystal display device of the present invention comprises: a) a glass substrate on which a pixel drive electrode is formed and another glass substrate on which a counter electrode is formed, facing each other, and a liquid crystal I- is sandwiched between the electrodes, b) ) forming an insulating film that blocks the voltage upstream of the IfI element drive drive electrode; C) providing an electrode in a floating state corresponding to the pixel drive pole on the insulating film; d) connecting the liquid crystal layer to the counter electrode and the floating state; It is characterized by being driven by electrodes.
第１図に、本発明の実施例を示す。 FIG. 1 shows an embodiment of the invention.
画素電極１の上に、液晶層３に印加される直流電圧成分
を５ｆｆｒするためのコンデンサとする絶縁ｇ２を形成
し、さらにその上に画素駆動′磁極に対応させて、１画
素単位で７０−ティング状態の電極６を形成するつ
この様な構造においては、上記絶縁膜２になんらかの欠
陥４（膜質が悪い、膜厚が違う、ピンホールが存在する
等）が存在した場合でも、絶縁膜をコンデンサとして挾
むように形成したフローティング状態の電極６が、欠陥
の状態を画素単位で平均化するように働き、欠陥部分へ
の電気力線の集中を抑制することができる。On the pixel electrode 1, an insulator g2 is formed to serve as a capacitor for reducing the DC voltage component applied to the liquid crystal layer 3 by 5ffr, and on top of that is formed an insulator g2 corresponding to the pixel drive' magnetic pole, 70-ffr for each pixel. In a structure like this, in which the electrode 6 is formed in a state of The floating electrodes 6 formed as a capacitor work to average the state of the defect on a pixel-by-pixel basis, making it possible to suppress the concentration of electric lines of force on the defective portion.
以上述べたように本発明によれば、液晶表示装置内の直
流電圧遮断用の絶縁膜に絶縁膜の上に、フローティング
状態の電極を設けたので、絶縁膜欠陥が存在しても、そ
れによる表示上のむらの発生を抑え、製造工程における
歩留り向上や表示品質の向上を計ることができる。As described above, according to the present invention, a floating electrode is provided on the insulating film for cutting off DC voltage in a liquid crystal display device, so even if there is a defect in the insulating film, the It is possible to suppress the occurrence of display unevenness and improve yield in the manufacturing process and display quality.
第１図は、本発明による液晶表示装置の構造図第２図は
、従来の液晶表示装置の構造図１・・・・・・画素電極
２・・・・・・絶縁膜
３・・・・・・液晶層
４・・・・・・絶縁膜中の欠陥部分
５・・・・・・電気力線
６・・・・・・フローティング状態の電極７・・・・・
・一方のガラス基板
８・・・・・・他方のガラス基板
９・・・・・・対向電極。
以上FIG. 1 is a structural diagram of a liquid crystal display device according to the present invention. FIG. 2 is a structural diagram of a conventional liquid crystal display device. ...Liquid crystal layer 4...Defect portion in insulating film 5...Lines of electric force 6...Electrode 7 in floating state...
-One glass substrate 8...Other glass substrate 9...Counter electrode. that's all
Claims (1)
を形成した他のガラス基板とを向い合わせ、上記電極間
に液晶層を挾んでなる液晶表示装置において、 （ｂ）画素枢動電極上に直流電圧を遮断する絶縁膜を形
成し、 （ｃ）前記絶縁膜上に画素駆動電極に対応するフローテ
ィング状態の電極を設け、 （ｄ）液晶層を、対向電極と該フローティング状態の電
極間で枢動することを特徴とする液晶表示装置。[Claims] (a) A liquid crystal display device comprising: (a) a glass substrate on which a pixel drive electrode is formed and another glass substrate on which a counter electrode is formed, and a liquid crystal layer sandwiched between the electrodes; (b) ) forming an insulating film that blocks DC voltage on the pixel pivot electrode; (c) providing a floating electrode corresponding to the pixel drive electrode on the insulating film; and (d) forming a liquid crystal layer on the counter electrode. A liquid crystal display device characterized by pivoting between electrodes in a floating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24091485A JPS62100734A (en) | 1985-10-28 | 1985-10-28 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24091485A JPS62100734A (en) | 1985-10-28 | 1985-10-28 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62100734A true JPS62100734A (en) | 1987-05-11 |
Family
ID=17066540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24091485A Pending JPS62100734A (en) | 1985-10-28 | 1985-10-28 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62100734A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042918A (en) * | 1988-11-15 | 1991-08-27 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| JP2003195331A (en) * | 2001-12-27 | 2003-07-09 | Sanyo Electric Co Ltd | Active matrix type display device |
| US6680771B2 (en) * | 2001-02-14 | 2004-01-20 | Au Optronics Corp. | Thin film transistor liquid crystal display wherein the lower electrode includes a first electrode and a pixel electrode |
-
1985
- 1985-10-28 JP JP24091485A patent/JPS62100734A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042918A (en) * | 1988-11-15 | 1991-08-27 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| US6680771B2 (en) * | 2001-02-14 | 2004-01-20 | Au Optronics Corp. | Thin film transistor liquid crystal display wherein the lower electrode includes a first electrode and a pixel electrode |
| JP2003195331A (en) * | 2001-12-27 | 2003-07-09 | Sanyo Electric Co Ltd | Active matrix type display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63106624A (en) | Liquid crystal display panel | |
| JPS63279228A (en) | Liquid crystal display device | |
| JPS62100734A (en) | Liquid crystal display device | |
| JP4130008B2 (en) | Liquid crystal display | |
| JPH0566386A (en) | Method for driving liquid crystal display device | |
| WO2016061832A1 (en) | Naked-eye 3d liquid crystal display panel and driving method therefor | |
| CN108615507B (en) | Driving method of liquid crystal display panel | |
| US20150293413A1 (en) | Thin-film transistor array substrate and liquid crystal display device | |
| JPH0381735A (en) | Active matrix type liquid crystal display panel | |
| US6707522B2 (en) | Liquid crystal display device | |
| JPH032832A (en) | Liquid crystal display panel | |
| JPH04295824A (en) | Liquid crystal display device | |
| KR100482474B1 (en) | Apparatus for vertical aligned liquid crystal display device | |
| JPH10307297A (en) | Active matrix type liquid crystal display device | |
| JPH09244040A (en) | Liquid crystal display element | |
| KR20020054913A (en) | Liquid crystal display device and method for manufacturing the same | |
| JP2503752Y2 (en) | Liquid crystal display | |
| JPH0682786A (en) | Liquid crystal display element and its manufacture | |
| JPH0682773A (en) | Ferroelectric liquid crystal device | |
| JP2910790B2 (en) | LCD panel | |
| JPH05150735A (en) | Active matrix type liquid crystal display device | |
| JPS58198025A (en) | Liquid crystal display device | |
| JPH02124539A (en) | Active matrix type liquid crystal display device | |
| JPH03233429A (en) | Production of liquid crystal display element | |
| JPH1049078A (en) | Liquid crystal display element |