JP2004199062A - 多重ドメイン液晶表示装置用薄膜トランジスタ表示板 - Google Patents
多重ドメイン液晶表示装置用薄膜トランジスタ表示板 Download PDFInfo
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- JP2004199062A JP2004199062A JP2003416089A JP2003416089A JP2004199062A JP 2004199062 A JP2004199062 A JP 2004199062A JP 2003416089 A JP2003416089 A JP 2003416089A JP 2003416089 A JP2003416089 A JP 2003416089A JP 2004199062 A JP2004199062 A JP 2004199062A
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- electrode
- thin film
- film transistor
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- 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
-
- 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
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
Abstract
【解決手段】 画素電極の切開部と重なる方向制御電極を形成し、方向制御電極電圧をスイッチングする薄膜トランジスタを基準電位が印加される維持電極線に連結する。画素電極には二つの薄膜トランジスタを連結し、一つは方向制御電極に初期電圧を形成する時に方向制御電極用薄膜トランジスタと同時にオンオフされるようにし、もう一つは画像信号をスイッチングするようにする。このようにすれば、白色を表示する時は勿論赤、緑、青の単色を表示する時もテクスチャーが安定する。
【選択図】 図1
Description
VDCE≒C2(Vd1+Vd3/(C2+C3) (1)
(1)式の誘導過程は次のとおりである。まず、前段ゲート線にON電圧が印加された場合、T2及びT3はON状態になり、T1はOFF状態となる。従って、方向制御電極には基準電位が印加されて方向制御電極電圧(V[d2])は0になる。画素電極には前段の画像信号電圧(-V[d3])が印加される。各蓄電器に充電される電荷量は次の通りである。
Q[3]=C[3]V[d2]=0 (2)
Q[2]=C[2](V[d2]+V[d3])=C[2]V[d3] (3)
Q[1]=C[1]V[d3] (4)
次に、本段ゲート線にON電圧が印加される場合、T1はON状態になり、T2及びT3はOFF状態となる。従って、方向制御電極は浮遊状態に置かれることになり、方向制御電極に充電された電荷量はそのまま維持される。その結果、
Q’[2]+Q’[3]=Q[2]+Q[3]=C[2]V[d3] (5)
また、電圧分配法則によって、
-Q’[2]/C[2]+Q’[3]/C[3]=V[d1] (6)
であり、式5と6をQ’[2]/C[2]に対して整理すれば、
Q’[2]/C2
={1/(C[2]+C[3])}{-C[3]V[d1]+C[2]V[d3]}
=V’[2] (7)
である。一方、電圧分配法則によって、
V’[2]=VDCE-V[d1] (8)
であるので(8)式に(7)式を代入して整理すると(1)式が得られる。
100、200 表示板
121 ゲート線
123ab、123c ゲート電極
140 ゲート絶縁膜
151、154ab、154c 半導体層
171 データ線
173ab、173c ソース電極
175a、175b、175c ドレーン電極
178 方向制御電極
180 保護膜
190 画素電極
191 横方向切開部
192a、192b、193a、193b、194a、194b 斜線方向切開部
270 共通電極
T1 第1画素電極用薄膜トランジスタ
T2 方向制御電極用薄膜トランジスタ
T3 第2画素電極用薄膜トランジスタ
Claims (6)
- 絶縁基板と、
前記絶縁基板上に形成されている第1配線と、
前記絶縁基板上に形成され、前記第1配線と絶縁されて交差している第2配線と、
前記第2配線と絶縁されて交差している第3配線と、
前記第1配線と前記第2配線が交差して形成する画素領域毎に形成され、切開部によって複数の小部分に分割されている画素電極と、
前記第1配線と前記第2配線が交差して形成する画素領域毎に形成され、所定の前記切開部と重なる所定の部分を有する方向制御電極と、
前記画素電極、該当する画素段の前記第1配線及び前記第2配線と各々連結されている第1画素電極用薄膜トランジスタと、
前記画素電極、前段の前記第1配線及び該当画素段の前記第2配線と各々連結されている第2画素電極用薄膜トランジスタと、
前記方向制御電極、前段の前記第1配線及び前記第3配線と各々連結されている方向制御電極用薄膜トランジスタを含む薄膜トランジスタ表示板。 - 前記第3配線は前記切開部のうち前記方向制御電極と重ならない部分と重なる部分を含む請求項1に記載の薄膜トランジスタ表示板。
- 前記第3配線は隣接する2つの前記第1配線間に2つが反転対称をなすように形成されている請求項2に記載の薄膜トランジスタ表示板。
- 前記第3配線には基準電位が印加される請求項1に記載の薄膜トランジスタ表示板。
- 前記画素電極切開部は前記画素電極を上下に両分する横方向切開部と横方向切開部を中心にして反転対称をなす斜線方向切開部を含む請求項1に記載の薄膜トランジスタ表示板。
- 前記方向制御電極は前記第2配線と同一の層に同一の物質で形成されている請求項1に記載の薄膜トランジスタ基板。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020079692A KR100895312B1 (ko) | 2002-12-13 | 2002-12-13 | 다중 도메인 액정 표시 장치용 박막 트랜지스터 표시판 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004199062A true JP2004199062A (ja) | 2004-07-15 |
JP4601945B2 JP4601945B2 (ja) | 2010-12-22 |
Family
ID=32768467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003416089A Expired - Fee Related JP4601945B2 (ja) | 2002-12-13 | 2003-12-15 | 多重ドメイン液晶表示装置用薄膜トランジスタ表示板 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6995394B2 (ja) |
JP (1) | JP4601945B2 (ja) |
KR (1) | KR100895312B1 (ja) |
CN (1) | CN100385322C (ja) |
TW (1) | TWI354847B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006085133A (ja) * | 2004-09-17 | 2006-03-30 | Samsung Electronics Co Ltd | 多重ドメイン薄膜トランジスタ表示板及びこれを含む液晶表示装置 |
JP2006106759A (ja) * | 2004-10-06 | 2006-04-20 | Samsung Electronics Co Ltd | 薄膜トランジスタ表示板 |
JP2006126837A (ja) * | 2004-10-25 | 2006-05-18 | Samsung Electronics Co Ltd | 多重ドメイン薄膜トランジスタ表示板 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100870005B1 (ko) * | 2002-03-07 | 2008-11-21 | 삼성전자주식회사 | 액정 표시 장치 |
KR100848095B1 (ko) * | 2002-05-09 | 2008-07-24 | 삼성전자주식회사 | 박막 트랜지스터 기판, 액정 표시 장치 및 박막 트랜지스터 기판의 제조 방법 |
KR20040105934A (ko) * | 2003-06-10 | 2004-12-17 | 삼성전자주식회사 | 다중 도메인 액정 표시 장치 및 그에 사용되는 표시판 |
KR101112543B1 (ko) * | 2004-11-04 | 2012-03-13 | 삼성전자주식회사 | 다중 도메인 박막 트랜지스터 표시판 |
TWI401640B (zh) | 2004-11-12 | 2013-07-11 | Samsung Display Co Ltd | 顯示裝置及其驅動方法 |
KR101133757B1 (ko) * | 2004-11-25 | 2012-04-09 | 삼성전자주식회사 | 액정 표시 장치 |
KR20060102953A (ko) * | 2005-03-25 | 2006-09-28 | 삼성전자주식회사 | 액정 표시 장치 |
TWI341939B (en) * | 2005-04-25 | 2011-05-11 | Au Optronics Corp | Multi-domain vertically alignment liquid crystal display and driving method thereof |
KR101209051B1 (ko) * | 2005-05-04 | 2012-12-06 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그를 포함하는 액정 표시 장치 |
CN100445819C (zh) * | 2006-03-28 | 2008-12-24 | 友达光电股份有限公司 | 低色偏的液晶显示器及其驱动方法 |
JP2008300755A (ja) * | 2007-06-04 | 2008-12-11 | Ips Alpha Technology Ltd | 表示装置 |
KR101340054B1 (ko) * | 2007-06-05 | 2013-12-11 | 삼성디스플레이 주식회사 | 표시장치 및 이의 구동방법 |
TWI387827B (zh) * | 2008-03-12 | 2013-03-01 | Chunghwa Picture Tubes Ltd | 多域垂直配向型(mva)畫素結構 |
JP4682279B2 (ja) * | 2008-03-21 | 2011-05-11 | 奇美電子股▲ふん▼有限公司 | 液晶表示装置 |
TWI388909B (zh) * | 2008-06-11 | 2013-03-11 | Chimei Innolux Corp | 薄膜電晶體陣列基板及其應用與製造方法 |
TWI384308B (zh) * | 2009-07-01 | 2013-02-01 | Au Optronics Corp | 顯示裝置及顯示驅動方法 |
KR101605467B1 (ko) | 2009-10-16 | 2016-04-04 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 |
JP5078176B2 (ja) * | 2010-07-21 | 2012-11-21 | 株式会社ジャパンディスプレイセントラル | 液晶表示装置 |
US8405086B1 (en) * | 2011-11-04 | 2013-03-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Pixel structure of display panel and method for manufacturing the same |
TWI498220B (zh) * | 2012-10-31 | 2015-09-01 | Au Optronics Corp | 顯示面板及其製造方法 |
US9263477B1 (en) * | 2014-10-20 | 2016-02-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Tri-gate display panel |
Citations (7)
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JPH11212107A (ja) * | 1998-01-26 | 1999-08-06 | Matsushita Electric Ind Co Ltd | アクティブマトリクス型液晶表示装置およびその駆動方法ならびにその製造方法 |
JP2001235752A (ja) * | 1999-06-25 | 2001-08-31 | Nec Corp | マルチドメイン液晶表示装置 |
JP2001235751A (ja) * | 1999-06-25 | 2001-08-31 | Nec Corp | マルチドメイン液晶表示装置 |
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JP2976948B2 (ja) * | 1997-10-06 | 1999-11-10 | 日本電気株式会社 | 液晶表示装置、その製造方法およびその駆動方法 |
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JP2002122887A (ja) * | 2000-06-12 | 2002-04-26 | Nec Corp | 液晶表示装置及びその製造方法 |
-
2002
- 2002-12-13 KR KR1020020079692A patent/KR100895312B1/ko active IP Right Grant
-
2003
- 2003-12-11 US US10/733,170 patent/US6995394B2/en not_active Expired - Lifetime
- 2003-12-12 TW TW092135231A patent/TWI354847B/zh not_active IP Right Cessation
- 2003-12-13 CN CNB2003101147876A patent/CN100385322C/zh not_active Expired - Fee Related
- 2003-12-15 JP JP2003416089A patent/JP4601945B2/ja not_active Expired - Fee Related
Patent Citations (7)
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JPH11212107A (ja) * | 1998-01-26 | 1999-08-06 | Matsushita Electric Ind Co Ltd | アクティブマトリクス型液晶表示装置およびその駆動方法ならびにその製造方法 |
JP2001235752A (ja) * | 1999-06-25 | 2001-08-31 | Nec Corp | マルチドメイン液晶表示装置 |
JP2001235751A (ja) * | 1999-06-25 | 2001-08-31 | Nec Corp | マルチドメイン液晶表示装置 |
WO2003075077A2 (en) * | 2002-03-07 | 2003-09-12 | Samsung Electronics Co., Ltd. | Liquid crystal display and thin film transistor array panel therefor |
WO2003096114A1 (en) * | 2002-05-09 | 2003-11-20 | Samsung Electronics Co., Ltd. | Multi-domain liquid crystal display and a thin film transistor substrate of the same |
WO2004023201A1 (en) * | 2002-09-09 | 2004-03-18 | Samsung Electronics Co., Ltd. | Multi-domain liquid crystal display and a thin film transistor substrate of the same |
WO2004029709A1 (en) * | 2002-09-27 | 2004-04-08 | Samsung Electronics Co., Ltd. | Thin film transistor panel for multi-domain liquid crystal display |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006085133A (ja) * | 2004-09-17 | 2006-03-30 | Samsung Electronics Co Ltd | 多重ドメイン薄膜トランジスタ表示板及びこれを含む液晶表示装置 |
JP2006106759A (ja) * | 2004-10-06 | 2006-04-20 | Samsung Electronics Co Ltd | 薄膜トランジスタ表示板 |
US8300192B2 (en) | 2004-10-06 | 2012-10-30 | Samsung Electronics Co., Ltd. | Liquid crystal display and thin film transistor array panel usable with the liquid crystal display |
US8477279B2 (en) | 2004-10-06 | 2013-07-02 | Samsung Display Co., Ltd. | Liquid crystal display and thin film transistor array panel usable with the liquid crystal display |
JP2006126837A (ja) * | 2004-10-25 | 2006-05-18 | Samsung Electronics Co Ltd | 多重ドメイン薄膜トランジスタ表示板 |
Also Published As
Publication number | Publication date |
---|---|
TWI354847B (en) | 2011-12-21 |
CN100385322C (zh) | 2008-04-30 |
JP4601945B2 (ja) | 2010-12-22 |
KR20040051979A (ko) | 2004-06-19 |
TW200422740A (en) | 2004-11-01 |
CN1515948A (zh) | 2004-07-28 |
US20040178409A1 (en) | 2004-09-16 |
KR100895312B1 (ko) | 2009-05-07 |
US6995394B2 (en) | 2006-02-07 |
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