KR102354999B1 - 광배향막 및 이를 포함하는 액정 표시 장치 - Google Patents
광배향막 및 이를 포함하는 액정 표시 장치 Download PDFInfo
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- KR102354999B1 KR102354999B1 KR1020150033309A KR20150033309A KR102354999B1 KR 102354999 B1 KR102354999 B1 KR 102354999B1 KR 1020150033309 A KR1020150033309 A KR 1020150033309A KR 20150033309 A KR20150033309 A KR 20150033309A KR 102354999 B1 KR102354999 B1 KR 102354999B1
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- 150000001875 compounds Chemical class 0.000 claims description 42
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
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- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical group C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 1
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- G02F1/133345—Insulating layers
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
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Abstract
Description
도 2는 본 발명의 일실시예에 따른 광배향막에 혼합된 가교제를 개략적으로 나타내는 도면이다.
도 3은 광배향막에 경직한 성질을 갖는 가교제를 첨가한 경우에 잔상 정도를 나타내는 그래프이다.
도 4는 본 발명의 일실시예에 따른 유연한 성질을 갖는 가교제를 첨가한 광배향막의 잔상 정도를 나타내는 그래프이다.
도 5는 본 발명의 일실시예에 따른 광배향막에서 유연한 디아민의 함량과 유연한 가교제의 함량을 변화시키는 경우에 이방성을 나타내는 그래프이다.
도 6은 가교 반응기의 종류에 따른 막경도 개선 정도를 나타내기 위한 스크래치 평가 도면이다.
도 7은 본 발명의 일실시예에 따른 광배향막에서 폴리이미드가 분해되는 것을 나타내는 구조식이다.
도 8은 본 발명의 일실시예에 따른 광배향막에서 등방성에서 이방성으로 변화되는 과정을 도시한 도면이다.
도 9는 본 발명의 일실시예에 따른 유연한 가교제가 첨가된 광배향제를 사용하여 형성된 광배향막에서 잔상이 개선되는 원리를 나타내는 도면이다.
도 10은 본 발명의 일실시예에 따른 액정 표시 장치를 나타내는 평면도이다.
도 11은 도 10의 절단선 XI-XI을 따라 자른 단면도이다.
171: 데이터선 173: 소스 전극
175: 드레인 전극 180a, 180b, 180c: 보호막
191: 화소 전극 270: 공통 전극
Claims (25)
- 폴리 이미드 그리고
알킬렌기(-CnH2n-, n은 자연수)와 복수의 가교 말단기를 포함하는 가교제를 포함하고,
상기 복수의 가교 말단기는 반응할 수 있는 작용기가 서로 다른 적어도 2종의 말단기 또는 말단기 유도체를 포함하고,
상기 가교제는 하기 화학식 1, 화학식 2 및 화학식 3으로 표현되는 화합물들 중 적어도 하나의 화합물을 포함하는 광배향막:
화학식 1
화학식 2
화학식 3
(상기 화학식 1, 화학식 2, 및 화학식 3에서 n은 3 내지 11의 자연수이고, m1 내지 m4는 서로 독립적으로 1 내지 4의 자연수이고, A1 및 A2는 서로 독립적으로 , , (여기서, R은 H 또는 탄소수 1 내지 3의 알킬기), 탄소수 6 내지 30의 방향족 화합물(aromatic compound) 또는 탄소수 4 내지 20의 지방족 고리 화합물이며, A3은 또는 탄소수 6 내지 30의 방향족 화합물 또는 탄소수 4 내지 20의 지방족 고리 화합물이고, A4는 단일 결합, -CH2-, -COO-, -OCO-, -S-, -O-, 탄소수 6 내지 30의 방향족 화합물 또는 탄소수 4 내지 20의 지방족 고리 화합물이며, X1, X2, X3, X4, X5, X6, X7, X8, X9, 및 X10은 서로 독립적으로 -OH, -NH2, 아릴기, 비닐기, , 아지리딘 또는 카르보디이미드를 포함한다). - 제1항에서,
상기 서로 다른 작용기가 각각 상기 가교제 양단에 위치하여 상기 가교 말단기는 비대칭 구조를 형성하는 광배향막. - 삭제
- 제5항에서,
상기 폴리 이미드는 (a) 사이클로부탄디안하이드라이드(Cyclobutanedianhydride; CBDA)와 사이클로부탄디안하이드라이드(Cyclobutanedianhydride; CBDA) 유도체 중 적어도 하나와 (b) 제1 디아민의 공중합체인 광배향막. - 제8항에서,
상기 공중합체는 하기 화학식 9 및 하기 화학식 10으로 표현되는 반복단위 중 적어도 하나를 포함하는 광배향막:
화학식 9
화학식 10
(상기 화학식 9 및 상기 화학식 10에서 X는 -(CH2)h-, -S-(CH2)h-S-, -O-(CH2)h-O-, , -(CH2OCH2)h-, , , -O-(CH2OCH2)h-O-, , -(CH2)h1-O-(CH2)h2- 또는 이고, h는 1 내지 10의 자연수이며, h1과 h2는 X의 알킬렌기의 탄소수의 합이 2 내지 10이 되도록 선택되는 자연수이고, X1 내지 X8은 각각 독립적으로 수소, 할로겐, 치환 또는 비치환된 알킬기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 헤테로 아릴기이다). - 제9항에서,
상기 공중합체는 하기 화학식 11로 표현되는 화합물을 포함하는 광배향막:
화학식 11
(상기 화학식 11에서, X는 -(CH2)h-, -S-(CH2)h-S-, -O-(CH2)h-O-, , -(CH2OCH2)h-, , , -O-(CH2OCH2)h-O-, , -(CH2)h1-O-(CH2)h2-, 또는 이고, h는 1 내지 10의 자연수이며, h1과 h2는 X의 알킬렌기의 탄소수의 합이 2 내지 10이 되도록 선택되는 자연수이며, a:b는 20:80 내지 50:50이고, X1 내지 X8은 각각 독립적으로 수소, 할로겐, 치환 또는 비치환된 알킬기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 헤테로 아릴기이다). - 제1 기판,
상기 제1 기판 위에 위치하는 박막 트랜지스터,
상기 박막 트랜지스터에 연결되는 제1 전극 그리고
상기 제1 전극 위에 위치하는 제1 배향막을 포함하고,
상기 제1 배향막은 폴리 이미드 및 알킬렌기(-CnH2n-, n은 자연수)와 복수의 가교 말단기를 포함하는 가교제를 포함하고,
상기 복수의 가교 말단기는 반응할 수 있는 작용기가 서로 다른 적어도 2종의 말단기 또는 말단기 유도체를 포함하고,
상기 가교제는 하기 화학식 1, 화학식 2 및 화학식 3으로 표현되는 화합물들 중 적어도 하나의 화합물을 포함하는 액정 표시 장치:
화학식 1
화학식 2
화학식 3
(상기 화학식 1, 화학식 2, 및 화학식 3에서 n은 3 내지 11의 자연수이고, m1 내지 m4는 서로 독립적으로 1 내지 4의 자연수이고, A1 및 A2는 서로 독립적으로 , , (여기서, R은 H 또는 탄소수 1 내지 3의 알킬기), 탄소수 6 내지 30의 방향족 화합물(aromatic compound) 또는 탄소수 4 내지 20의 지방족 고리 화합물이며, A3은 또는 탄소수 6 내지 30의 방향족 화합물 또는 탄소수 4 내지 20의 지방족 고리 화합물이고, A4는 단일 결합, -CH2-, -COO-, -OCO-, -S-, -O-, 탄소수 6 내지 30의 방향족 화합물 또는 탄소수 4 내지 20의 지방족 고리 화합물이며, X1, X2, X3, X4, X5, X6, X7, X8, X9, 및 X10은 서로 독립적으로 -OH, -NH2, 아릴기, 비닐기, , 아지리딘 또는 카르보디이미드를 포함한다). - 제11항에서,
상기 서로 다른 작용기가 각각 상기 가교제 양단에 위치하여 상기 가교 말단기는 비대칭 구조를 형성하는 액정 표시 장치. - 삭제
- 제15항에서,
상기 폴리 이미드는 (a) 사이클로부탄디안하이드라이드(Cyclobutanedianhydride; CBDA)와 사이클로부탄디안하이드라이드(Cyclobutanedianhydride; CBDA) 유도체 중 적어도 하나와 (b) 제1 디아민의 공중합체인 액정 표시 장치. - 제18항에서,
상기 공중합체는 하기 화학식 9 및 하기 화학식 10으로 표현되는 반복단위 중 적어도 하나를 포함하는 액정 표시 장치:
화학식 9
화학식 10
(상기 화학식 9 및 상기 화학식 10에서 X는 -(CH2)h-, -S-(CH2)h-S-, -O-(CH2)h-O-, , -(CH2OCH2)h-, , , -O-(CH2OCH2)h-O-, , -(CH2)h1-O-(CH2)h2- 또는 이고, h는 1 내지 10의 자연수이며, h1과 h2는 X의 알킬렌기의 탄소수의 합이 2 내지 10이 되도록 선택되는 자연수이고, X1 내지 X8은 각각 독립적으로 수소, 할로겐, 치환 또는 비치환된 알킬기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 헤테로 아릴기이다). - 제19항에서,
상기 공중합체는 하기 화학식 11로 표현되는 화합물을 포함하는 액정 표시 장치:
화학식 11
(상기 화학식 11에서, X는 -(CH2)h-, -S-(CH2)h-S-, -O-(CH2)h-O-, , -(CH2OCH2)h-, , , -O-(CH2OCH2)h-O-, , -(CH2)h1-O-(CH2)h2-, 또는 이고, h는 1 내지 10의 자연수이며, h1과 h2는 X의 알킬렌기의 탄소수의 합이 2 내지 10이 되도록 선택되는 자연수이며, a:b는 20:80 내지 50:50이고, X1 내지 X8은 각각 독립적으로 수소, 할로겐, 치환 또는 비치환된 알킬기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 헤테로 아릴기이다). - 제11항에서,
상기 제1 기판과 절연막을 사이에 두고 위치하는 제2 전극을 더 포함하는 액정 표시 장치. - 제21항에서,
상기 제1 전극은 복수의 가지 전극을 포함하고, 상기 제2 전극은 면 형상(planar shape)을 가지는 액정 표시 장치. - 제22항에서,
상기 복수의 가지 전극은 상기 면 형상의 제2 전극과 중첩하는 액정 표시 장치. - 제21항에서,
상기 박막 트랜지스터와 상기 제2 전극 사이에 위치하는 보호막을 더 포함하고, 상기 보호막과 상기 절연막을 관통하는 접촉 구멍에 의해 상기 박막 트랜지스터와 상기 제1 전극이 연결되는 액정 표시 장치. - 제21항에서,
상기 제1 기판과 마주보는 제2 기판,
상기 제2 기판 위에 위치하는 제2 배향막 그리고
상기 제1 기판과 상기 제2 기판 사이에 위치하고 액정 분자를 포함하는 액정층을 더 포함하고,
상기 제2 배향막은 상기 제1 배향막과 동일한 물질로 형성되는 액정 표시 장치.
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US15/006,760 US9952467B2 (en) | 2015-03-10 | 2016-01-26 | Photo-alignment layer and liquid crystal display including the same |
EP16159108.6A EP3067741B1 (en) | 2015-03-10 | 2016-03-08 | Liquid crystal display and alignment layer composition for this display |
CN201610136318.1A CN105974673B (zh) | 2015-03-10 | 2016-03-10 | 液晶显示器 |
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KR20180138264A (ko) | 2017-06-20 | 2018-12-31 | 삼성디스플레이 주식회사 | 곡면형 액정 표시 장치 |
KR102161673B1 (ko) | 2017-09-07 | 2020-10-05 | 주식회사 엘지화학 | 액정 배향제 조성물, 이를 이용한 액정 배향막의 제조 방법, 및 이를 이용한 액정 배향막 |
KR102162501B1 (ko) | 2017-09-08 | 2020-10-06 | 주식회사 엘지화학 | 액정 배향제 조성물, 이를 이용한 액정 배향막의 제조 방법, 및 이를 이용한 액정 배향막 |
CN109713559B (zh) * | 2019-02-01 | 2020-06-12 | 中国科学院理化技术研究所 | 一种蓝相液晶膜及其制备方法和用途 |
CN115584267B (zh) * | 2022-09-26 | 2023-08-04 | 波米科技有限公司 | 一种液晶取向剂及其应用 |
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EP3067741A1 (en) | 2016-09-14 |
US9952467B2 (en) | 2018-04-24 |
US20160266441A1 (en) | 2016-09-15 |
CN105974673B (zh) | 2021-06-15 |
KR20160110668A (ko) | 2016-09-22 |
EP3067741B1 (en) | 2018-09-26 |
CN105974673A (zh) | 2016-09-28 |
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