KR102256462B1 - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
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- KR102256462B1 KR102256462B1 KR1020150048275A KR20150048275A KR102256462B1 KR 102256462 B1 KR102256462 B1 KR 102256462B1 KR 1020150048275 A KR1020150048275 A KR 1020150048275A KR 20150048275 A KR20150048275 A KR 20150048275A KR 102256462 B1 KR102256462 B1 KR 102256462B1
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 102
- 239000000758 substrate Substances 0.000 claims abstract description 30
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 48
- 239000004065 semiconductor Substances 0.000 description 15
- 239000011810 insulating material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 8
- 230000005684 electric field Effects 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 239000003086 colorant Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 206010047571 Visual impairment Diseases 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 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
- 239000011368 organic material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001681 protective effect Effects 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
- 239000002904 solvent Substances 0.000 description 1
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- G—PHYSICS
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- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133738—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homogeneous alignment
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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]
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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
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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- 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
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Abstract
Description
도 2는 도 1의 액정 표시 장치를 II-II 선을 따라 잘라 도시한 단면도이다.
도 3은 도 1의 액정 표시 장치를 ?-? 선을 따라 잘라 도시한 단면도이다.
도 4는 도 1의 액정 표시 장치에서 제2 화소 전극(191)의 일부를 확대하여 나타낸 도면이다.
도 5는 도 1의 액정 표시 장치에서 제1 화소 전극(190)의 일부를 확대하여 나타낸 도면이다.
도 6은 본 발명의 또 다른 일실시예에 따른 액정 표시 장치의 하나의 화소 영역에 대한 배치도이다.
도 7은 도 6의 액정 표시 장치에서 제2 화소 전극(191)의 일부를 확대하여 나타낸 도면이다.
도 8은 도 6의 액정 표시 장치에서 제1 화소 전극(190)의 일부를 확대하여 나타낸 도면이다.
도 9는 본 발명의 또 다른 일실시예에 따른 액정 표시 장치의 하나의 화소 영역에 대한 배치도이다.
도 10은 도 9의 액정 표시 장치에서 제2 화소 전극(191)의 일부를 확대하여 나타낸 도면이다.
도 11은 도 9에 도시된 액정 표시 장치에 대한 실험예의 결과를 도시한 도면이다.
도 12는 본 발명의 또 다른 일실시예에 따른 액정 표시 장치의 하나의 화소 영역에 대한 배치도이다.
도 13은 도 12의 액정 표시 장치에서 제2 화소 전극(191)의 일부를 확대하여 나타낸 도면이다.
도 14는 도 12에 도시된 액정 표시 장치에 대한 실험예의 결과를 도시한 도면이다.
100: 하부 표시판 110: 제1 기판
121: 게이트선 124a, 124b, 124c: 게이트 전극
140: 게이트 절연막 154a, 154b, 154c: 반도체
171: 데이터선 173a, 173b, 173c: 소스전극
175a, 175b, 175c: 드레인 전극 180a: 보호막
180b: 절연막 185a, 185b 187a: 접촉구멍
190: 제1 화소 전극 191: 제2 화소 전극
92: 십자형 절개부 93: 판형 부분
94: 가지 전극 95: 홈부
96: 십자 줄기 전극 192a: 연결 부재
200: 상부 표시판 210: 제2 기판
220: 차광 부재 230: 색필터
250: 덮개막 270: 공통전극
Claims (17)
- 제1 기판,
상기 제1 기판 위에 형성되어 있는 제1 화소 전극 및
상기 제1 화소 전극과 절연막을 사이에 두고 중첩하는 제2 화소 전극을 포함하며,
상기 제2 화소 전극은 통판 형태를 가지는 판형 부분, 상기 판형 부분으로부터 뻗어 나온 복수의 가지 전극, 상기 판형 부분의 중심에서 서로 교차하는 가로부와 세로부를 포함하는 십자형 절개부를 포함하고,
상기 제1 화소 전극은 상기 중심에서 서로 교차하는 가로 줄기와 세로 줄기를 갖는 십자 줄기 전극을 포함하는 액정 표시 장치. - 제1 항에서,
상기 가로 줄기 및 상기 세로 줄기는 폭이 일정하며,
상기 가로부 및 상기 세로부도 폭이 일정한 액정 표시 장치. - 제2 항에서,
상기 복수의 가지 전극은 서로 다른 네 개의 방향으로 뻗어있는 액정 표시 장치. - 제3 항에서,
상기 제1 기판에 대향하는 제2 기판,
상기 제2 기판의 내측에 형성된 공통 전극을 더 포함하며,
상기 공통 전극은 통판으로 형성되는 액정 표시 장치. - 제4 항에서,
상기 제1 화소 전극에 제2 화소 전극보다 1.23배 높은 전압이 인가되는 액정 표시 장치. - 제5 항에서,
상기 제2 화소 전극에는 8V 전압이 인가되며, 상기 제1 화소 전극에는 10V이상의 전압이 인가되는 액정 표시 장치. - 제1 항에서,
상기 제1 화소 전극은 가로 줄기와 세로 줄기가 교차하는 중심에서 마름모 형태를 가지며,
상기 제2 화소 전극의 상기 십자형 절개부는 가로부와 세로부가 교차하는 중심에서 마름모 형태의 절개부를 가지는 액정 표시 장치. - 제7 항에서,
상기 가로 줄기 및 상기 세로 줄기는 폭이 일정하며,
상기 가로부 및 상기 세로부도 폭이 일정하고,
상기 복수의 가지 전극은 서로 다른 네 개의 방향으로 뻗어있는 액정 표시 장치. - 제8 항에서,
상기 제1 기판에 대향하는 제2 기판,
상기 제2 기판의 내측에 형성된 공통 전극을 더 포함하며,
상기 공통 전극은 통판으로 형성되는 액정 표시 장치. - 제9 항에서,
상기 제1 화소 전극에 제2 화소 전극보다 1.23배 높은 전압이 인가되는 액정 표시 장치. - 제10 항에서,
상기 제2 화소 전극에는 8V 전압이 인가되며, 상기 제1 화소 전극에는 10V이상의 전압이 인가되는 액정 표시 장치. - 제1 항에서,
상기 복수의 가지 전극은 서로 다른 네 개의 방향으로 뻗어있으며,
상기 세로부를 중심으로 좌우에 위치한 가지 전극이 서로 비대칭이고, 상기 가로부를 중심으로 상하에 위치한 가지 전극도 서로 비대칭인 액정 표시 장치. - 제12 항에서,
상기 제1 화소 전극은 가로 줄기와 세로 줄기가 교차하는 중심에서 마름모 형태를 가지며,
상기 제2 화소 전극의 상기 십자형 절개부는 가로부와 세로부가 교차하는 중심에서 마름모 형태의 절개부를 가지는 액정 표시 장치. - 제13 항에서,
상기 가로 줄기 및 상기 세로 줄기는 폭이 일정하며,
상기 가로부 및 상기 세로부도 폭이 일정한 액정 표시 장치. - 제14 항에서,
상기 제1 기판에 대향하는 제2 기판,
상기 제2 기판의 내측에 형성된 공통 전극을 더 포함하며,
상기 공통 전극은 통판으로 형성되는 액정 표시 장치. - 제15 항에서,
상기 제1 화소 전극에 제2 화소 전극보다 1.23배 높은 전압이 인가되는 액정 표시 장치. - 제16 항에서,
상기 제2 화소 전극에는 8V 전압이 인가되며, 상기 제1 화소 전극에는 10V이상의 전압이 인가되는 액정 표시 장치.
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