JPS63314522A - Color liquid crystal display - Google Patents
Color liquid crystal displayInfo
- Publication number
- JPS63314522A JPS63314522A JP15179187A JP15179187A JPS63314522A JP S63314522 A JPS63314522 A JP S63314522A JP 15179187 A JP15179187 A JP 15179187A JP 15179187 A JP15179187 A JP 15179187A JP S63314522 A JPS63314522 A JP S63314522A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- transparent conductive
- color liquid
- glass substrate
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 16
- 230000007547 defect Effects 0.000 abstract description 9
- 230000006866 deterioration Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 101100268335 Solanum lycopersicum TFT9 gene Proteins 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はアクティブマトリックスカラー液晶ディスプレ
イにおけるａ−８ｉ′ｌ１１．ｌｌ）ランジスタ（ＴＰ
Ｔ）の破損防止構造に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a-8i'l11. ll) Transistor (TP
T) regarding the damage prevention structure.
従来、仁の種のカラー液晶ディスプレイは、第３図に示
す構造を有している。A conventional color liquid crystal display has a structure shown in FIG.
図示のごとく、従来のカラー液晶ディスプレイは、カラ
ーフィルタ４の表面に共通電極５を形成し、共通電極５
の表面に配向１［６を形成したガラス＋板３とアモルフ
ァスシリコン（以下、ａ−８ｉという）の薄膜トランジ
スタ（以下、ＴＰＴという）および画素電極９０表面に
配向膜８を形成したガラス基板１０との間に液晶１４を
封入し、ガラス基板３とガラス基板１０の外側表面に偏
光板１．１２を設ける。ａ−８ｉＴＦＴ９を駆動し１画
素ごとの液晶１４の液晶分子に電界を印加し、バックラ
イト１５の透過光量を制御することにより、カラー液晶
ディスプレイを実現している。As shown in the figure, in the conventional color liquid crystal display, a common electrode 5 is formed on the surface of a color filter 4.
A glass substrate 10 with an alignment film 8 formed on the surface of a thin film transistor (hereinafter referred to as TPT) made of amorphous silicon (hereinafter referred to as a-8i) and a pixel electrode 90. A liquid crystal 14 is sealed between the glass substrates 3 and 10, and polarizing plates 1.12 are provided on the outer surfaces of the glass substrates 3 and 10. A color liquid crystal display is realized by driving the a-8i TFT 9, applying an electric field to the liquid crystal molecules of the liquid crystal 14 for each pixel, and controlling the amount of transmitted light of the backlight 15.
上述した従来のカラー液晶ディスプレイは、静電気等の
外来電界１３が偏光板１．１２の表面に印加された鳩舎
共通電極５や、ａ−８ｉ ＴＦＴおよび画素電極に高電
界が加わり、ａ−８ｉＴＦＴ９の特性劣化や破損が発生
することがある。そのため、カラー液晶ディスプレイ表
示に黒欠陥や線欠陥を生じさせるという欠点がある。In the conventional color liquid crystal display described above, an external electric field 13 such as static electricity is applied to the pigeonhole common electrode 5 applied to the surface of the polarizing plate 1.12, a high electric field is applied to the a-8i TFT and the pixel electrode, and a high electric field is applied to the a-8i TFT 9. Characteristic deterioration or damage may occur. Therefore, it has the disadvantage of causing black defects and line defects in color liquid crystal displays.
本発明のカラー液晶ディスプレイは、カラス基板３とガ
ラス基板１０のそれぞれの外側表面に透明導電膜２．１
１を形成し、その透明導電＠２゜１１を回路アースに接
続することにより、外来電界１３を回路アースに逃がす
構造を有している。The color liquid crystal display of the present invention has a transparent conductive film 2.1 on each outer surface of the glass substrate 3 and the glass substrate 10.
1 is formed and its transparent conductive @2° 11 is connected to the circuit ground, thereby allowing the external electric field 13 to escape to the circuit ground.
かかる本発明によれば、透明導電１ｌＩＩ２．１１ｒｉ
外来電界１３を回路アースに逃すことにより、ａ−８ｉ
ＴＦＴ９へ外来電界１３を到達させず、劣化。According to the present invention, transparent conductive 1lII2.11ri
By dissipating the external electric field 13 to the circuit ground, a-8i
The external electric field 13 is not allowed to reach the TFT 9, causing deterioration.
破損を防止する効果を有し、カラー液晶ディスプレイの
表示欠陥を発生する問題点が解決できる。It has the effect of preventing damage and can solve the problem of display defects in color liquid crystal displays.
次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
図示のごとく、ガラス基板３．１０の外側表面に透明導
１１１ｉＥｌｌＩ２を形成し、それぞれ回路アースに接
続する。ガラス基板３の内側表面にカラーフィルタ４を
形成し、カラーフィルタ４の表面に共通電極５を形成し
、共通電極５の表面に配向膜６を形成する。またカラス
基板１０の内側表面にａ−８ｉＴＦＴおよび画素電極９
を形成し、ａ−８ｉＴＦＴおよび画素電極９０表面に配
向膜８を形成し、ガラス基板３とガラス基板１０との間
に液晶１４を封入し、ガラス基板３，１００透明導電膜
２，１１の表面に偏光板１＃１２を設ける。そして、
ａ −８ｉ ＴＦＴを駆動し、画素ごとの液晶１４の液
晶分子に′電界を印加し、バックライト１５の透過光量
を制御することにより、カラー液晶ディスプレイを実現
する。As shown, transparent conductors 111iEllI2 are formed on the outer surface of the glass substrate 3.10 and connected to circuit ground, respectively. A color filter 4 is formed on the inner surface of the glass substrate 3, a common electrode 5 is formed on the surface of the color filter 4, and an alignment film 6 is formed on the surface of the common electrode 5. In addition, an a-8i TFT and a pixel electrode 9 are provided on the inner surface of the glass substrate 10.
The alignment film 8 is formed on the surfaces of the a-8i TFT and the pixel electrode 90, the liquid crystal 14 is sealed between the glass substrate 3 and the glass substrate 10, and the surfaces of the glass substrate 3,100 and the transparent conductive films 2, 11 are formed. A polarizing plate 1#12 is provided. and,
A color liquid crystal display is realized by driving the a-8i TFT, applying an electric field to the liquid crystal molecules of the liquid crystal 14 for each pixel, and controlling the amount of transmitted light of the backlight 15.
第２図は本発明の他の実施例の縦断面図である。FIG. 2 is a longitudinal sectional view of another embodiment of the invention.
透明導電メツシュ１６ 、１７ｒｊ外来電界１３を回路
アースに逃がし、ａ−８ｉ ＴＦＴ９の劣化、破損を防
止する。この実施例では、透明導電メツシュ１６．１７
であるため、光の透明率を上げることができるため、カ
ラー液晶ディスプレイの表示を明るくすることができる
利点がある。The transparent conductive mesh 16, 17rj allows the external electric field 13 to escape to the circuit ground to prevent deterioration and damage of the A-8i TFT 9. In this example, transparent conductive mesh 16.17
Therefore, since the transparency of light can be increased, there is an advantage that the display on the color liquid crystal display can be made brighter.
以上説明したように、本発明は、ガラス基板３゜１０の
外側表面に透明導電膜２ 、１１を形成し。As explained above, in the present invention, the transparent conductive films 2 and 11 are formed on the outer surface of the glass substrate 3.10.
この透明導笥暎２，１１を回路アースに接続することに
より・外来電界１３が偏光板１．１２の表面に印加され
た場合にもζ透明導電膜２，１１全通して回路アースに
逃がすことができる。よって、ａ−８ｉ ＴＦＴ９には
外来電界１３ｒｉ印加されず。By connecting these transparent conductive films 2 and 11 to the circuit ground, even when an external electric field 13 is applied to the surface of the polarizing plate 1.12, it can be passed through the entire ζ transparent conductive film 2 and 11 and released to the circuit ground. Can be done. Therefore, the external electric field 13ri is not applied to the a-8i TFT9.
Ｂ−８ｉ ＴＦＴ９の劣化、破損を防止でき、カラー液
晶ディスプレイ表示に点欠陥や線欠陥を防止するという
効果がある。This has the effect of preventing deterioration and damage of the B-8i TFT 9 and preventing point defects and line defects in color liquid crystal displays.
第１図は本発明の一実施例によるカラー液晶ディスプレ
イの縦断面図、第２図は本発明の他の実施例によるカラ
ー液晶ディスプレイの縦断面図、第３図は従来のカラー
液晶ディスプレイの縦断面図である。
１．１２・・・・・・透廚導電膜、２．１１・・・・・
・偏光板。
３．１０・・・・・・ガラス基板、４・・・・・・カラ
ーフィルタ、５・・・・・・共通電極、６，８・・・・
・・配向膜、９・・・・・・ａ−８ｉＴＦＴおよび画素
電極、１３・・・・・・外来電界、１４・・・・・・液
晶、１５・・・・・・バックライト、１６．１７・・・
・・・透明導電メッシユ。
代理人 弁理士 内 原 晋１ ゛′第１図
第３図
１１２−−８偏光板 乙７３− 配南儂スー
５ｉＴＦＴ及び
２・ｊ１゛１明４ｔ、ｑ藁 プ°−函素電梯３．
１０・−・力°ラス基板 １３−−一タ
ト采電界４− カラーフィルタ １４…液晶Ｓ
−一一共ｉｔ電椙 １５・−八”・ンク
ライトｊ、１２−４尤＃５−共道電極
６、δ−−−山ヒ Ｍ 月東
３、１０−ｈ”ラス基４Ｌ ’ｆ−ａ、
−五丁ＦＴ１４− 液晶
１５−ｍ−バツクライトFIG. 1 is a vertical cross-sectional view of a color liquid crystal display according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of a color liquid crystal display according to another embodiment of the present invention, and FIG. 3 is a vertical cross-sectional view of a conventional color liquid crystal display. It is a front view. 1.12... Transparent conductive film, 2.11...
·Polarizer. 3.10...Glass substrate, 4...Color filter, 5...Common electrode, 6,8...
... Alignment film, 9 ... a-8i TFT and pixel electrode, 13 ... External electric field, 14 ... Liquid crystal, 15 ... Backlight, 16. 17...
...Transparent conductive mesh. Agent Patent Attorney Susumu Uchihara 1゛'Fig.
10--Power glass substrate 13--One-touch electric field 4- Color filter 14...Liquid crystal S
-11-1 IT Densho 15・-8"・Nkrite j, 12-4尤#5-Common electrode 6, δ---Yamahi M Tsukito 3, 10-h" Las group 4L 'f-a ,
-Gocho FT14- LCD 15-m-Backlight
Claims (1)
板と、アモルファスシリコンを用いたトランジスタおよ
び画素電極を形成したガラス基板間に液晶が封入された
カラー液晶ディスプレイにおいて、該ガラス基板の外側
表面にそれぞれ透明導電膜を設け、透明導電膜を回路ア
ース電位に接続したことを特徴とするカラー液晶ディス
プレイ。In a color liquid crystal display in which liquid crystal is sealed between a glass substrate on which a common electrode is formed on the surface of a color filter layer and a glass substrate on which transistors and pixel electrodes using amorphous silicon are formed, a transparent electrode is formed on the outer surface of the glass substrate. A color liquid crystal display characterized by providing a conductive film and connecting the transparent conductive film to a circuit ground potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15179187A JPS63314522A (en) | 1987-06-17 | 1987-06-17 | Color liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15179187A JPS63314522A (en) | 1987-06-17 | 1987-06-17 | Color liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63314522A true JPS63314522A (en) | 1988-12-22 |
Family
ID=15526372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15179187A Pending JPS63314522A (en) | 1987-06-17 | 1987-06-17 | Color liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63314522A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7486007B2 (en) | 2004-11-18 | 2009-02-03 | Samsung Sdi Co., Ltd. | Flat panel display device |
| CN103163652A (en) * | 2011-12-15 | 2013-06-19 | 乐金显示有限公司 | Polarization glasses type stereoscopic image display |
| JP2013125269A (en) * | 2011-12-15 | 2013-06-24 | Lg Display Co Ltd | Polarized glasses type stereoscopic image display device |
| US9000442B2 (en) | 2010-01-20 | 2015-04-07 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device, flexible light-emitting device, electronic device, and method for manufacturing light-emitting device and flexible-light emitting device |
| US9000443B2 (en) | 2010-01-20 | 2015-04-07 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device, flexible light-emitting device, electronic device, lighting apparatus, and method of manufacturing light-emitting device and flexible-light emitting device |
-
1987
- 1987-06-17 JP JP15179187A patent/JPS63314522A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7486007B2 (en) | 2004-11-18 | 2009-02-03 | Samsung Sdi Co., Ltd. | Flat panel display device |
| US9000442B2 (en) | 2010-01-20 | 2015-04-07 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device, flexible light-emitting device, electronic device, and method for manufacturing light-emitting device and flexible-light emitting device |
| US9000443B2 (en) | 2010-01-20 | 2015-04-07 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device, flexible light-emitting device, electronic device, lighting apparatus, and method of manufacturing light-emitting device and flexible-light emitting device |
| CN103163652A (en) * | 2011-12-15 | 2013-06-19 | 乐金显示有限公司 | Polarization glasses type stereoscopic image display |
| US20130155505A1 (en) * | 2011-12-15 | 2013-06-20 | Lg Display Co., Ltd. | Polarization glasses type stereoscopic image display |
| JP2013125268A (en) * | 2011-12-15 | 2013-06-24 | Lg Display Co Ltd | Polarized glasses type stereoscopic image display device |
| JP2013125269A (en) * | 2011-12-15 | 2013-06-24 | Lg Display Co Ltd | Polarized glasses type stereoscopic image display device |
| US9684177B2 (en) | 2011-12-15 | 2017-06-20 | Lg Display Co., Ltd. | Polarization glasses type stereoscopic image display |
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