KR920004546A - How to align the liquid crystal medium - Google Patents

How to align the liquid crystal medium Download PDF

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KR920004546A
KR920004546A KR1019900012664A KR900012664A KR920004546A KR 920004546 A KR920004546 A KR 920004546A KR 1019900012664 A KR1019900012664 A KR 1019900012664A KR 900012664 A KR900012664 A KR 900012664A KR 920004546 A KR920004546 A KR 920004546A
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liquid crystal
anisotropic absorbing
molecule
molecules
anisotropic
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KR1019900012664A
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Korean (ko)
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KR100198365B1 (en
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마이클 기본스 웨인
선 샤오-탕
조셉 스웨틀린 브라이언
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스티븐 에이치. 마르코비츠
헤르큘레스 인코포레이티드
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/02Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general

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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
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Abstract

내용 없음No content

Description

액정 매질의 정렬 방법How to align the liquid crystal medium

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 전형적인 액정 셀의 개략도이다,1 is a schematic view of a typical liquid crystal cell,

제2도는 액정 매질을 정렬 또는 재정렬시키는데 유용한 장치를 도시하는 도이다,2 shows an apparatus useful for aligning or rearranging the liquid crystal medium.

제3도는 문지름으로써 정렬시킨 객-주(guest-host) 액정 매질의 정면도이다.3 is a front view of a guest-host liquid crystal medium aligned by rubbing.

Claims (13)

매질중의 액정이 1500미만의 분자량을 갖고, 매질 또는 그에 인접한 기재중의 이방성 흡수분자가 이방성 흡수분자의 흡수 영역내에 드는 파장의 선형 편광에 노출되고, 입사광 비임의 선형 편광 방향에 대해 + 또는 -θ 각도에서의 액정 매질의 정렬이 노출된 이방성 흡수분자에 의해 유도됨을 특징으로 하는, 액정을 함유하고 기재에 인접한 표면을 갖는 액정 매질 내의 분자의 정렬 방법.The liquid crystal in the medium has a molecular weight of less than 1500, and the anisotropic absorbing molecules in the medium or the substrate adjacent thereto are exposed to linearly polarized light at a wavelength falling within the absorption region of the anisotropic absorbing molecule, and + or − with respect to the linear polarization direction of the incident light beam. A method of aligning molecules in a liquid crystal medium containing a liquid crystal and having a surface adjacent to the substrate, wherein the alignment of the liquid crystal medium at the θ angle is induced by exposed anisotropic absorbing molecules. 제1항에 있어서, 이방성 흡수 분자가 써모트로픽(thermotropic) 액정 화합물이거나 약 150nm 내지 약 2000nm의 다이크로익(dichroic) 흡수영역을 갖는 다이크로익 염료임을 추가의 특징으로 하는 방법.The method of claim 1, wherein the anisotropic absorbing molecule is a thermotropic liquid crystal compound or a dichroic dye having a dichroic absorption region of about 150 nm to about 2000 nm. 제1항 또는 제2항에 있어서, 액정 매질이 이방성 흡수 분자를 함유함을 추가의 특징으로 하는 방법The method according to claim 1 or 2, further characterized in that the liquid crystal medium contains anisotropic absorbing molecules. 제1항 또는 제2항에 있어서, 기재가 이방성 흡수 분자를 함유함을 추가의 특징으로 하는 방법.A method according to claim 1 or 2, characterized in that the substrate contains anisotropic absorbing molecules. 제3항에 있어서, 이방성 흡수 분자가 써모트로픽 액정 화합물이거나 다이크로의 염료임을 추가의 특징으로 하는 방법.4. The method according to claim 3, wherein the anisotropic absorbing molecule is a thermotropic liquid crystal compound or a dye of dichro. 제4항에 있어서, 이방성 흡수 분자가 네마틱(nematic) 또는 스멕틱(smectic) 액정 화합물임을 추가의 특징으로 하는 방법.5. The method of claim 4, wherein the anisotropic absorbing molecule is a nematic or smectic liquid crystal compound. 제4항에 있어서, 이방성 흡수 분자가 써모트로픽 액정 화합물에 용해된 다이크로익 염료 분자임을 추가의 특징으로 하는 방법.5. The method of claim 4, wherein the anisotropic absorbing molecule is a dichroic dye molecule dissolved in a thermotropic liquid crystal compound. 제1항 내지 제7항 중의 어느 한 항에 있어서, 액정 매질이 균질하게 정렬된 다음 이방성 흡수분자가 편광에 노출됨을 추가의 특징으로 하는 방법.8. The method according to any one of the preceding claims, characterized in that the liquid crystal medium is homogeneously aligned and then the anisotropic absorbing molecules are exposed to polarized light. 제1항 내지 제8항 중의 어느 한 항에 있어서, 선형 편광이 아르곤, 헬륨-네온 또는 헬륨-카드뮴 레이저에서 방출됨을 추가의 특징으로 하는 방법.The method according to claim 1, wherein the linearly polarized light is emitted from an argon, helium-neon or helium-cadmium laser. 제1항 내지 제9항 중의 어느 한 항에 있어서, 이방성 흡수 분자가 아조, 디아조, 트리아조, 테트라아조, 펜타아조, 안트라퀴논, 메리시아닌, 메틴, 2-페닐아조티아졸, 2-페닐아조벤즈티아졸, 4, 4´-비스(아릴아조)스틸벤, 페릴렌, 및 4, 8-디아미노-1, 5-나프타퀴논 염료로 이루어진 그룹중에서 선택된 다이크로의 염료임을 추가의 특징으로 하는 방법.The anisotropic absorbing molecule according to any one of claims 1 to 9, wherein the anisotropic absorbing molecule is azo, diazo, triazo, tetraazo, pentaazo, anthraquinone, mercyinine, methine, 2-phenylazothiazole, 2- A further feature that is a dye with a dichloro selected from the group consisting of phenylazobenzthiazole, 4, 4′-bis (arylazo) stilbene, perylene, and 4,8-diamino-1,5-naphthaquinone dyes How to. 제1항 내지 제10항 중의 어느 한 항에 있어서, 전기장의 존재하에서 수행함을 추가의 특징으로 하는 방법.The method according to claim 1, further characterized in that it is carried out in the presence of an electric field. 제1항 내지 제11항 중의 어느 한 항에 있어서, 기재가 문질러진 정렬층을 포함함을 추가의 특징으로 하는 방법.12. The method of any one of the preceding claims, wherein the substrate comprises a rubbed alignment layer. 제12항에 있어서, 이방성 흡수 분자가 정렬층의 일부분임을 추가의 특징으로 하는 방법.13. The method of claim 12, wherein the anisotropic absorbing molecule is part of an alignment layer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900012664A 1990-08-17 1990-08-17 Method for the alignment of liquid crystal medium KR100198365B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721155B1 (en) * 2005-10-21 2007-05-23 삼성전기주식회사 Toliquid crystal shutter and camera module using the same and camera using toliquid crystal shutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721155B1 (en) * 2005-10-21 2007-05-23 삼성전기주식회사 Toliquid crystal shutter and camera module using the same and camera using toliquid crystal shutter

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