JP5305190B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
- Publication number
- JP5305190B2 JP5305190B2 JP2007164240A JP2007164240A JP5305190B2 JP 5305190 B2 JP5305190 B2 JP 5305190B2 JP 2007164240 A JP2007164240 A JP 2007164240A JP 2007164240 A JP2007164240 A JP 2007164240A JP 5305190 B2 JP5305190 B2 JP 5305190B2
- Authority
- JP
- Japan
- Prior art keywords
- transparent electrode
- electrode
- liquid crystal
- transparent
- film
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136213—Storage capacitors associated with the pixel electrode
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Description
塗布法による厚さ900nmの樹脂膜を製膜して2層目の層間絶縁膜IL2とし、コンタクト穴を加工する(ホト工程6)。スパッタ法により厚さ50nmのITO膜を製膜し、第2の補助容量用の電極PSL1を形成する。この透明電極PSL1には画素電極と同じ電位を供給する(ホト工程7)。
Claims (4)
- 薄膜トランジスタアレイが形成された基板を持つ液晶表示装置であって、
前記薄膜トランジスタアレイを構成する薄膜トランジスタのゲート電極は、当該薄膜トランジスタのチャネルより上にあって、複数の金属層からなる積層構造であり、
前記基板は、該基板の面と平行に積層された第1透明電極と第2透明電極および第3透明電極がこの順に基板側から配置された3つの層を有し、
前記第1透明電極と前記第2透明電極の間、および前記第2透明電極と前記第3透明電極の間に液晶容量の補助容量が形成され、
前記透明電極のうち1つの透明電極が前記積層ゲート電極のうちの1層と同層であり、
前記第1透明電極および前記第3透明電極は電気的に前記薄膜トランジスタに接続され、
前記第2透明電極には共通電位が印加され、
前記第2透明電極は前記第1透明電極および前記第3透明電極より幅広であることを特徴とする液晶表示装置。 - 請求項1において、
前記第3透明電極は前記3つの透明電極の最上層で、かつ前記基板の面と平行な面内で分割された櫛型あるいはスリット状の電極であることを特徴とする液晶表示装置。 - 請求項1又は2において、
前記第3透明電極は前記3つの透明電極の最上層で、前記第1透明電極は前記3つの透明電極の最下層であり、前記第3透明電極と前記第1透明電極は電気的に接続されていることを特徴とする液晶表示装置。 - 請求項1又は2において、
前記第3透明電極は前記3つの透明電極の最上層で画素電極を構成し、前記第1透明電極は前記3つの透明電極の最下層を構成し、前記第3透明電極と前記第1透明電極の間にある中層である第2透明電極は共通電極であることを特徴とする液晶表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007164240A JP5305190B2 (ja) | 2007-06-21 | 2007-06-21 | 液晶表示装置 |
US12/153,508 US7924355B2 (en) | 2007-06-21 | 2008-05-20 | Liquid crystal display device |
CN2008101081960A CN101329485B (zh) | 2007-06-21 | 2008-05-30 | 液晶显示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007164240A JP5305190B2 (ja) | 2007-06-21 | 2007-06-21 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009003187A JP2009003187A (ja) | 2009-01-08 |
JP5305190B2 true JP5305190B2 (ja) | 2013-10-02 |
Family
ID=40136092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007164240A Active JP5305190B2 (ja) | 2007-06-21 | 2007-06-21 | 液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7924355B2 (ja) |
JP (1) | JP5305190B2 (ja) |
CN (1) | CN101329485B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102629037B (zh) * | 2011-10-28 | 2015-01-07 | 京东方科技集团股份有限公司 | 阵列基板、液晶面板及其制造方法 |
WO2014084130A1 (ja) * | 2012-11-30 | 2014-06-05 | シャープ株式会社 | Tft基板 |
JP5626739B2 (ja) * | 2013-03-25 | 2014-11-19 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
CN104777638B (zh) * | 2015-04-13 | 2018-04-20 | 深圳市华星光电技术有限公司 | 液晶显示面板及液晶显示装置 |
US9703158B2 (en) * | 2015-04-13 | 2017-07-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and liquid crystal display apparatus having the same |
US10330991B1 (en) | 2018-05-31 | 2019-06-25 | a.u. Vista Inc. | Liquid crystal display devices with electrode stacks and methods for manufacturing such devices |
US11201175B2 (en) * | 2018-11-21 | 2021-12-14 | Sharp Kabushiki Kaisha | Array substrate with capacitance forming portion to hold potential at electrode |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0244317A (ja) * | 1988-08-05 | 1990-02-14 | Hitachi Ltd | 補助容量を有する液晶表示装置 |
JP3339190B2 (ja) * | 1994-07-27 | 2002-10-28 | ソニー株式会社 | 液晶表示装置 |
JPH09318975A (ja) * | 1996-05-30 | 1997-12-12 | Nec Corp | 薄膜電界効果型トランジスタ素子アレイおよびその製造 方法 |
JP3640224B2 (ja) * | 1996-06-25 | 2005-04-20 | 株式会社半導体エネルギー研究所 | 液晶表示パネル |
JPH10240162A (ja) * | 1997-02-28 | 1998-09-11 | Sony Corp | アクティブマトリクス表示装置 |
US6369410B1 (en) * | 1997-12-15 | 2002-04-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method of manufacturing the semiconductor device |
JP3484363B2 (ja) * | 1998-11-24 | 2004-01-06 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
JP2001142092A (ja) * | 1999-11-10 | 2001-05-25 | Hitachi Ltd | 液晶表示装置とその製造方法 |
KR100325079B1 (ko) * | 1999-12-22 | 2002-03-02 | 주식회사 현대 디스플레이 테크놀로지 | 고개구율 및 고투과율 액정표시장치의 제조방법 |
KR100471397B1 (ko) * | 2001-05-31 | 2005-02-21 | 비오이 하이디스 테크놀로지 주식회사 | 프린지 필드 스위칭 액정표시장치 및 그 제조방법 |
JP4047586B2 (ja) * | 2002-01-10 | 2008-02-13 | Nec液晶テクノロジー株式会社 | 横電界方式のアクティブマトリクス型液晶表示装置 |
JP4002105B2 (ja) | 2002-01-15 | 2007-10-31 | 株式会社日立製作所 | 液晶表示装置 |
JP2003295210A (ja) * | 2002-04-03 | 2003-10-15 | Hitachi Ltd | 液晶表示装置 |
US20040174483A1 (en) * | 2003-03-07 | 2004-09-09 | Yayoi Nakamura | Liquid crystal display device having auxiliary capacitive electrode |
JP4223992B2 (ja) | 2004-05-25 | 2009-02-12 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
KR101049001B1 (ko) * | 2004-05-31 | 2011-07-12 | 엘지디스플레이 주식회사 | 횡전계 방식(ips)의 컬러필터 온박막트랜지스터(cot) 구조의 액정표시장치 |
CN2735379Y (zh) | 2004-09-11 | 2005-10-19 | 鸿富锦精密工业(深圳)有限公司 | 存储电容 |
JP4550551B2 (ja) | 2004-10-29 | 2010-09-22 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
KR101175561B1 (ko) * | 2005-06-30 | 2012-08-21 | 엘지디스플레이 주식회사 | 저항을 감소시키는 공통전극을 포함하는 액정표시소자 및그 제조방법 |
CN100580536C (zh) * | 2007-07-06 | 2010-01-13 | 昆山龙腾光电有限公司 | 液晶显示装置的阵列基板及其制造方法 |
-
2007
- 2007-06-21 JP JP2007164240A patent/JP5305190B2/ja active Active
-
2008
- 2008-05-20 US US12/153,508 patent/US7924355B2/en active Active
- 2008-05-30 CN CN2008101081960A patent/CN101329485B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20080316385A1 (en) | 2008-12-25 |
US7924355B2 (en) | 2011-04-12 |
CN101329485B (zh) | 2011-04-06 |
CN101329485A (zh) | 2008-12-24 |
JP2009003187A (ja) | 2009-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9030458B2 (en) | Electro-optical device and electronic apparatus | |
US10978529B2 (en) | Active matrix substrate and method for manufacturing the same | |
TWI403812B (zh) | 薄膜電晶體陣列面板及包含該薄膜電晶體陣列面板之液晶顯示器 | |
US10663813B2 (en) | Liquid crystal display | |
US10088727B2 (en) | Liquid crystal device and electronic apparatus | |
JP5305190B2 (ja) | 液晶表示装置 | |
US20090128757A1 (en) | Liquid crystal device and electronic apparatus | |
KR101113354B1 (ko) | 표시 장치 및 그 제조방법 | |
US10964284B2 (en) | Electronic component board and display panel | |
KR20010039920A (ko) | 반도체장치 및 그 제작 방법 | |
US20060157705A1 (en) | Thin film transistor array panel | |
TWI575732B (zh) | 畫素結構及其顯示面板 | |
US9164336B2 (en) | Electro-optical device and electronic apparatus | |
JP5724531B2 (ja) | 電気光学装置及び電子機器 | |
KR20150001177A (ko) | 금속 산화물 반도체를 포함하는 박막 트랜지스터 기판 및 그 제조 방법 | |
US11372297B2 (en) | Display panel | |
US20120326148A1 (en) | Thin film transistor array panel and manufacturing method thereof | |
US7532294B2 (en) | Display apparatus and method of manufacturing the same | |
JP2006317867A (ja) | 薄膜トランジスタ基板及び液晶表示パネル | |
KR102172386B1 (ko) | 박막트랜지스터 어레이 기판 및 그의 제조방법 | |
JP4481391B2 (ja) | 液晶表示装置 | |
KR20180031898A (ko) | 공통 전압 배선을 포함하는 표시 장치 | |
JP2005285976A (ja) | 半導体装置及びその製造方法、並びにこれを備えた電気光学装置及び電子機器 | |
KR102248643B1 (ko) | 액정표시장치용 어레이 기판 | |
JP4736371B2 (ja) | 電気光学装置、及び投射型表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100414 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20110218 |
|
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20110218 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120215 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120306 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120425 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121113 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121205 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130521 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130614 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5305190 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |