KR20040042274A - 휘도가 향상된 횡전계모드 액정표시소자 - Google Patents
휘도가 향상된 횡전계모드 액정표시소자 Download PDFInfo
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- KR20040042274A KR20040042274A KR1020020070484A KR20020070484A KR20040042274A KR 20040042274 A KR20040042274 A KR 20040042274A KR 1020020070484 A KR1020020070484 A KR 1020020070484A KR 20020070484 A KR20020070484 A KR 20020070484A KR 20040042274 A KR20040042274 A KR 20040042274A
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- liquid crystal
- crystal display
- display device
- mode liquid
- electric field
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 132
- 239000010410 layer Substances 0.000 claims abstract description 93
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 239000010409 thin film Substances 0.000 claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 230000005684 electric field Effects 0.000 claims description 32
- 239000011241 protective layer Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 abstract description 6
- 238000002161 passivation Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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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
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
-
- 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
- G02F1/136222—Colour filters incorporated in the active matrix substrate
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Geometry (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
Abstract
Description
전압 | 종래 IPS LCD | 제1IPS LCD | 제2IPS LCD | 제3IPS LCD | |||
휘도 | 휘도 | 휘도증가율 | 휘도 | 휘도증가율 | 휘도 | 휘도증가율 | |
4V | 67.90% | 76.08% | 12.00% | 74.50% | 9.67% | 71.62% | 5.43% |
5V | 89.94% | 93.67% | 4.15% | 93.31% | 3.75% | 92.66% | 3.02% |
Claims (14)
- 화상 비표시영역과 화상표시영역으로 이루어진 복수의 화소를 포함하는 기판;상기 화소의 비표시영역에 형성되며, 게이트전극, 상기 기판 전체에 걸쳐서 적층된 게이트절연층, 상기 게이트절연층 위에 형성된 반도체층 및 상기 반도체층 위에 형성된 소스/드레인전극이로 이루어진 박막트랜지스터;상기 화상표시영역내에 실질적으로 평행하게 배치되어 횡전계를 생성하는 적어도 한쌍의 전극; 및상기 화상비표시영역에 적층된 보호층으로 구성된 횡전계모드 액정표시소자.
- 제1항에 있어서, 상기 전극은 공통전극 및 화소전극인 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제2항에 있어서, 상기 공통전극 및 화소전극은 기판 위에 형성되는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제2항에 있어서, 상기 공통전극은 기판위에 형성되고 화소전극은 게이트절연층 위에 형성되는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제2항에 있어서, 상기 공통전극은 게이트절연층 위에 형성되고 화소전극은 기판 위에 형성되는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제2항에 있어서, 상기 공통전극과 화소전극은 게이트절연층 위에 형성되는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제1항에 있어서,컬러필터층이 형성된 기판; 및기판 사이에 형성된 액정층을 더 포함하는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제7항에 있어서, 상기 액정층의 보상값(Δnd)이 0.33∼0.39㎛인 것을 특징으로 하는 횡전계모드 액정표시소자.
- 복수의 화소를 정의하는 복수의 게이트라인 및 데이터라인;각 화소에 형성된 구동소자; 및화소내에 실질적으로 평행하게 횡전계를 생성하는 적어도 한쌍의 전극으로 구성되며,상기 한쌍의 전극 사이에 형성된 광투과영역에는 절연층이 형성되지 않는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제9항에 있어서, 상기 구동소자는 박막트랜지스터인 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제10항에 있어서, 상기 박막트랜지스터는,기판위에 형성된 게이트전극;상기 게이트전극이 형성된 기판 전체에 걸쳐 적층된 게이트절연층;상기 게이트절연층 위에 형성된 반도체층;상기 반도체층 위에 형성된 소스전극 및 드레인전극; 및상기 소스전극 및 드레인전극이 형성된 기판 전체에 걸쳐 적층된 보호층으로 이루어진 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제11항에 있어서, 상기 절연층은 보호층인 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제11항에 있어서, 상기 절연층은 보호층 및 게이트절연층을 포함하는 것을 특징으로 하는 횡전계모드 액정표시소자.
- 제9항에 있어서, 상기 전극은 공통전극 및 화소전극인 것을 특징으로 하는 횡전계모드 액정표시소자.
Priority Applications (1)
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KR1020020070484A KR100934825B1 (ko) | 2002-11-13 | 2002-11-13 | 휘도가 향상된 횡전계모드 액정표시소자 |
Applications Claiming Priority (1)
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KR1020020070484A KR100934825B1 (ko) | 2002-11-13 | 2002-11-13 | 휘도가 향상된 횡전계모드 액정표시소자 |
Publications (2)
Publication Number | Publication Date |
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KR20040042274A true KR20040042274A (ko) | 2004-05-20 |
KR100934825B1 KR100934825B1 (ko) | 2009-12-31 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100685937B1 (ko) * | 2005-06-27 | 2007-02-22 | 엘지.필립스 엘시디 주식회사 | Ips모드 액정표시소자 및 그 제조방법 |
WO2017034122A1 (ko) * | 2015-08-26 | 2017-03-02 | 엘지디스플레이 주식회사 | 박막 트랜지스터 및 표시 장치 |
US10840274B2 (en) | 2015-08-26 | 2020-11-17 | Lg Display Co., Ltd. | Thin film transistor and display device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09269497A (ja) * | 1996-01-31 | 1997-10-14 | Hosiden Corp | 液晶表示素子 |
JPH10221705A (ja) * | 1997-02-07 | 1998-08-21 | Hoshiden Philips Display Kk | 液晶表示素子 |
KR100257369B1 (ko) * | 1997-05-19 | 2000-05-15 | 구본준 | 횡전계방식액정표시장치 |
KR100258063B1 (ko) * | 1997-05-28 | 2000-06-01 | 구본준, 론 위라하디락사 | 횡전계방식액정표시소자및그제조방법 |
KR100312756B1 (ko) * | 1999-01-15 | 2001-11-03 | 윤종용 | 액정 표시 장치 |
KR100674236B1 (ko) * | 2000-12-28 | 2007-01-25 | 비오이 하이디스 테크놀로지 주식회사 | 프린지필드구동 액정표시장치의 제조방법 |
KR100852819B1 (ko) * | 2002-08-01 | 2008-08-18 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 제조 방법 |
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2002
- 2002-11-13 KR KR1020020070484A patent/KR100934825B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100685937B1 (ko) * | 2005-06-27 | 2007-02-22 | 엘지.필립스 엘시디 주식회사 | Ips모드 액정표시소자 및 그 제조방법 |
WO2017034122A1 (ko) * | 2015-08-26 | 2017-03-02 | 엘지디스플레이 주식회사 | 박막 트랜지스터 및 표시 장치 |
US10840274B2 (en) | 2015-08-26 | 2020-11-17 | Lg Display Co., Ltd. | Thin film transistor and display device |
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