KR920702780A - 액정 스위칭 및 디스플레이 소자 - Google Patents
액정 스위칭 및 디스플레이 소자Info
- Publication number
- KR920702780A KR920702780A KR1019910701873A KR910701873A KR920702780A KR 920702780 A KR920702780 A KR 920702780A KR 1019910701873 A KR1019910701873 A KR 1019910701873A KR 910701873 A KR910701873 A KR 910701873A KR 920702780 A KR920702780 A KR 920702780A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- crystal material
- crystal device
- layer
- display elements
- Prior art date
Links
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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
- C09K19/0225—Ferroelectric
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
- C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
- C09K19/3458—Uncondensed pyrimidines
- C09K19/3463—Pyrimidine with a carbon chain containing at least one asymmetric carbon atom, i.e. optically active pyrimidines
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
- G02F1/1416—Details of the smectic layer structure, e.g. bookshelf, chevron, C1 and C2
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
본 발명에 따른 액정 소자의 제조는 제1도 및 제2도에 의해 설명된다.
제3도에, LC소자에 가해지는 전압을 시간에 대해 플롯팅한다.
Claims (5)
- 2개의 투명한 시트 사이에서 봉함 물질에 의해 테두리 진 틈새기를 갖는 하우징(housing), 및 추가로 적어도 1개의 편광필름, 적어도 1개의 배향층, 또한 상기한 투명 시트들의 양쪽 내부 표면상에 존재하는 2개의 전극, 및 틈새기내에 존재하는 강유전성 스멕팅 액정 물질을 포함하고, 여기에서 액정 물질이 먼저 전극들에 대해 경사진 층 구조를 형성하여 나선의 형성을 억제하며, 이후에 액정 물질이 자발 분극 및 포지티브 유전성 이방성(이들은 둘다 외부 인가 전기장에 의해 무시할 수 있을 정도로 작지 않은 상호작용을 하며, 이것을 액정 물질의 반복적인 스위칭을 가능하게 한다)을 갖는 액정소자.
- 제1항에 있어서, 액정 물질이 SC *,SF *,SG *,SI *또는 SJ *상을 형성하는 액정 소자.
- 제1항에 있어서, 액정 물질이 강유전성 상보다 높은 온도 범위에서 N*을 갖는 액정 소자.
- 제1항에 있어서, 액정층이 갈짓자(chevron)구조를 갖는 액정 소자.
- 제1항에 있어서, 유효 전압치에 의해 회색 색조로 조절될 수 있는 액정 소자.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3919839A DE3919839A1 (de) | 1989-06-17 | 1989-06-17 | Fluessigkristall-schalt- und anzeige-element |
DEP3919839.1 | 1989-06-17 | ||
PCT/EP1990/000901 WO1990016007A1 (de) | 1989-06-17 | 1990-06-09 | Flüssigkristall- schalt- und anzeige-element |
Publications (1)
Publication Number | Publication Date |
---|---|
KR920702780A true KR920702780A (ko) | 1992-10-06 |
Family
ID=6382955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910701873A KR920702780A (ko) | 1989-06-17 | 1990-06-09 | 액정 스위칭 및 디스플레이 소자 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5353136A (ko) |
EP (1) | EP0477257A1 (ko) |
JP (1) | JPH05500866A (ko) |
KR (1) | KR920702780A (ko) |
DE (1) | DE3919839A1 (ko) |
WO (1) | WO1990016007A1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2026689C (en) * | 1989-10-27 | 2000-03-14 | Miguel G. Tristani-Kendra | Liquid crystal device with grey scale |
JP2982330B2 (ja) * | 1990-04-28 | 1999-11-22 | ソニー株式会社 | 液晶表示素子 |
TW476422U (en) * | 1992-01-29 | 2002-02-11 | Sharp Kk | Liquid crystal display |
US5631752A (en) * | 1992-12-24 | 1997-05-20 | Casio Computer Co., Ltd. | Antiferroelectric liquid crystal display element exhibiting a precursor tilt phenomenon |
KR100254648B1 (ko) * | 1994-01-26 | 2000-05-01 | 보러 롤란드 | 디에이치에프형 액정 셀을 위한 기동 방법 |
JPH07287232A (ja) * | 1994-04-18 | 1995-10-31 | Fujitsu Ltd | 液晶表示装置、その製造方法、および駆動方法 |
SG50846A1 (en) * | 1996-06-12 | 1998-07-20 | Rolic Ag | Liquid crystalline display switching or image processing apparatus |
US6175401B1 (en) * | 1997-05-02 | 2001-01-16 | Casio Computer Co., Ltd. | Liquid crystal display device having a liquid crystal layer which contains liquid crystal molecules in a plurality of alignment state and method for driving the same |
JP3551702B2 (ja) * | 1997-05-08 | 2004-08-11 | カシオ計算機株式会社 | 液晶表示素子とその駆動方法 |
US10451948B2 (en) | 2015-01-20 | 2019-10-22 | The Hong Kong University Of Science And Technology | Standing helix ferroelectric liquid crystal display cell |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367924A (en) * | 1980-01-08 | 1983-01-11 | Clark Noel A | Chiral smectic C or H liquid crystal electro-optical device |
US4813767A (en) * | 1980-01-08 | 1989-03-21 | Clark Noel A | Surface stabilized ferroelectric liquid crystal devices |
DE3140078A1 (de) * | 1980-10-08 | 1982-04-22 | Kabushiki Kaisha Suwa Seikosha, Tokyo | Optische fluessigkristalleinrichtung und drucker, der eine solche optische einrichtung als lichtventil benutzt |
FR2557719B1 (fr) * | 1984-01-03 | 1986-04-11 | Thomson Csf | Dispositif de visualisation a memoire utilisant un materiau ferroelectrique |
JPS60156043A (ja) * | 1984-01-23 | 1985-08-16 | Canon Inc | カイラルスメクティック液晶素子 |
SE8504760D0 (sv) * | 1985-10-14 | 1985-10-14 | Sven Torbjorn Lagerwall | Electronic addressing of ferroelectric liquid crystal devices |
US5062691A (en) * | 1989-10-27 | 1991-11-05 | Minnesota Mining And Manufacturing Company | Liquid crystal device with grey scale |
US5168381A (en) * | 1989-10-30 | 1992-12-01 | University Research Corporation | Smectic liquid crystal devices using SSFLC and electroclinic effect based cells |
-
1989
- 1989-06-17 DE DE3919839A patent/DE3919839A1/de not_active Withdrawn
-
1990
- 1990-06-09 JP JP2509702A patent/JPH05500866A/ja active Pending
- 1990-06-09 US US07/778,175 patent/US5353136A/en not_active Expired - Fee Related
- 1990-06-09 WO PCT/EP1990/000901 patent/WO1990016007A1/de not_active Application Discontinuation
- 1990-06-09 KR KR1019910701873A patent/KR920702780A/ko not_active Application Discontinuation
- 1990-06-09 EP EP90909684A patent/EP0477257A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1990016007A1 (de) | 1990-12-27 |
DE3919839A1 (de) | 1990-12-20 |
EP0477257A1 (de) | 1992-04-01 |
JPH05500866A (ja) | 1993-02-18 |
US5353136A (en) | 1994-10-04 |
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Legal Events
Date | Code | Title | Description |
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WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |