JP4601945B2 - 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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- JP4601945B2 JP4601945B2 JP2003416089A JP2003416089A JP4601945B2 JP 4601945 B2 JP4601945 B2 JP 4601945B2 JP 2003416089 A JP2003416089 A JP 2003416089A JP 2003416089 A JP2003416089 A JP 2003416089A JP 4601945 B2 JP4601945 B2 JP 4601945B2
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- 239000010409 thin film Substances 0.000 title claims description 52
- 239000004973 liquid crystal related substance Substances 0.000 title description 45
- 239000000758 substrate Substances 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 14
- 230000001681 protective effect Effects 0.000 description 11
- 230000005684 electric field Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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
-
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers
- 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
Description
(先行技術文献)
(特許文献)
(特許文献1)米国特許第6407791号明細書
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ゲート線と、
前記絶縁基板上に形成され、前記ゲート線と絶縁されて交差しているデータ線と、
前記データ線と絶縁されて交差している維持電極線と、
前記ゲート線と前記データ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、
前記ゲート線と前記データ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ゲート線及び前記データ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、前段の前記ゲート線及び該当画素段の前記データ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、前段の前記ゲート線及び前記維持電極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。 - 前記維持電極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。
- 前記維持電極線は隣接する2つの前記ゲート線間に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。
- 前記維持電極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データ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 |
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JP2004199062A JP2004199062A (ja) | 2004-07-15 |
JP4601945B2 true JP4601945B2 (ja) | 2010-12-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
KR101071257B1 (ko) * | 2004-09-17 | 2011-10-10 | 삼성전자주식회사 | 다중 도메인 박막 트랜지스터 표시판 및 이를 포함하는액정 표시 장치 |
KR20060030577A (ko) | 2004-10-06 | 2006-04-11 | 삼성전자주식회사 | 박막 트랜지스터 표시판 |
KR101112540B1 (ko) * | 2004-10-25 | 2012-03-13 | 삼성전자주식회사 | 다중 도메인 박막 트랜지스터 표시판 |
KR101112543B1 (ko) * | 2004-11-04 | 2012-03-13 | 삼성전자주식회사 | 다중 도메인 박막 트랜지스터 표시판 |
JP5000124B2 (ja) | 2004-11-12 | 2012-08-15 | 三星電子株式会社 | 表示装置及びその駆動方法 |
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 |
KR20210095774A (ko) * | 2020-01-23 | 2021-08-03 | 삼성디스플레이 주식회사 | 표시 장치 |
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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 |
KR100870005B1 (ko) * | 2002-03-07 | 2008-11-21 | 삼성전자주식회사 | 액정 표시 장치 |
-
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
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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 |
JP2001235751A (ja) * | 1999-06-25 | 2001-08-31 | Nec Corp | マルチドメイン液晶表示装置 |
JP2001235752A (ja) * | 1999-06-25 | 2001-08-31 | Nec Corp | マルチドメイン液晶表示装置 |
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 |
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Also Published As
Publication number | Publication date |
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KR100895312B1 (ko) | 2009-05-07 |
KR20040051979A (ko) | 2004-06-19 |
TW200422740A (en) | 2004-11-01 |
CN100385322C (zh) | 2008-04-30 |
TWI354847B (en) | 2011-12-21 |
US6995394B2 (en) | 2006-02-07 |
CN1515948A (zh) | 2004-07-28 |
JP2004199062A (ja) | 2004-07-15 |
US20040178409A1 (en) | 2004-09-16 |
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