KR910012784A - 액정 표시 소자 - Google Patents
액정 표시 소자 Download PDFInfo
- Publication number
- KR910012784A KR910012784A KR1019900019883A KR900019883A KR910012784A KR 910012784 A KR910012784 A KR 910012784A KR 1019900019883 A KR1019900019883 A KR 1019900019883A KR 900019883 A KR900019883 A KR 900019883A KR 910012784 A KR910012784 A KR 910012784A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- less
- crystal display
- degrees
- display device
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 23
- 239000000758 substrate Substances 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 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
-
- 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
- G02F1/1396—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 the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
-
- 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
- G02F1/1396—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 the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
- G02F1/1397—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 the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예 1 내지 3 및 실시예 5 내지 19 및 비교예 1 내지 3에 있어서 액정 표시 소자의 단면도
제2도는 본 발명의 실시예 4에 있어서 액정 표시 소자의 단면도
제3도는 본 발명의 액정 표시 소자의 각 축의 관계를 도시하는 도면
Claims (5)
- 마주하는 2장의 기판 사이에 트위스트 배향하는 액정을 끼워서 형성되는 액정 쎌, 1장의 편광판, 1장의 반사판을 구비한 액정 표시 소자에 있어서, 이 액정 쎌에 입사하여 반사판에 이른 광이, 거의 직선 편광의 상태로 되는 액정을 사용한 것을 특징으로 하는 액정 표시 소자.
- 제1항에 있어서, 상기한 액정 쎌에 있어서, 액정의 트위스트각이 0도 이상 70도 이하이며, 액정의 복굴절율 △n과 쎌갭 d과의적인 지연 △n+d의 값이 0.2㎛이상 0.7㎛이하이며, 편광판의 편광축(흡수축 혹은 투과축)방향이 상기판에 있어서 액정 배향 방향과 이루는 각도 θ가, 액정의 비틀림 방향을 정으로 하여, 35도 이상 115도 이하인 것을 특징으로 하는 액정 표시 소자.
- 제1항에 있어서, 상기한 액정 쎌에 있어서, 액정의 트위스트각이 170도 이상 270도 이하이며, △n×d값이 0.4㎛이상, 1.0㎛이하인 것을 특징으로 하는 액정 표시 소자.
- 제1항에 있어서, 액정 쎌의 2장의 기판중, 최소한 한편의 기판의 액정 측 표면에, 층자 0.1㎛이상 2㎛이하의을 갖는 것을 특징으로 하는 액정 표시 소자.
- 제1항에 있어서, 반사판이, 상기 책정 쎌 기판의 액정 측 표면에 설치되어 있는 것을 특징으로 하는 액정 표시 소자.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1-319261 | 1989-12-08 | ||
JP31926189 | 1989-12-08 | ||
JP2074149A JP2924055B2 (ja) | 1989-12-08 | 1990-03-24 | 反射型液晶表示素子 |
JP74149 | 1990-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR910012784A true KR910012784A (ko) | 1991-08-08 |
Family
ID=26415289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900019883A KR910012784A (ko) | 1989-12-08 | 1990-12-05 | 액정 표시 소자 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5139340A (ko) |
EP (1) | EP0431952B1 (ko) |
JP (1) | JP2924055B2 (ko) |
KR (1) | KR910012784A (ko) |
CN (1) | CN1053302A (ko) |
DE (1) | DE69025563T2 (ko) |
HK (1) | HK1007194A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100681991B1 (ko) * | 1998-04-20 | 2007-02-15 | 소니 가부시끼 가이샤 | 반사형 액정 표시 장치 |
Families Citing this family (73)
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FR2623649B1 (fr) * | 1987-11-23 | 1992-05-15 | Asulab Sa | Cellule d'affichage a cristal liquide |
JP2725283B2 (ja) * | 1988-06-10 | 1998-03-11 | 大日本インキ化学工業株式会社 | 液晶デバイス及びその製造方法 |
US5018837A (en) * | 1989-07-03 | 1991-05-28 | Motorola, Inc. | Enhanced contrast liquid crystal display device |
-
1990
- 1990-03-24 JP JP2074149A patent/JP2924055B2/ja not_active Expired - Lifetime
- 1990-12-05 KR KR1019900019883A patent/KR910012784A/ko not_active Application Discontinuation
- 1990-12-07 CN CN90109958A patent/CN1053302A/zh active Pending
- 1990-12-07 US US07/624,156 patent/US5139340A/en not_active Expired - Lifetime
- 1990-12-07 DE DE69025563T patent/DE69025563T2/de not_active Expired - Lifetime
- 1990-12-07 EP EP90313291A patent/EP0431952B1/en not_active Expired - Lifetime
-
1998
- 1998-06-24 HK HK98106295A patent/HK1007194A1/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100681991B1 (ko) * | 1998-04-20 | 2007-02-15 | 소니 가부시끼 가이샤 | 반사형 액정 표시 장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2924055B2 (ja) | 1999-07-26 |
EP0431952A2 (en) | 1991-06-12 |
CN1053302A (zh) | 1991-07-24 |
JPH03223715A (ja) | 1991-10-02 |
DE69025563D1 (de) | 1996-04-04 |
DE69025563T2 (de) | 1996-06-13 |
US5139340A (en) | 1992-08-18 |
EP0431952B1 (en) | 1996-02-28 |
HK1007194A1 (en) | 1999-04-01 |
EP0431952A3 (en) | 1992-04-08 |
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Legal Events
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19901205 |
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