KR19990030197A - 반사형 액정표시장치 - Google Patents
반사형 액정표시장치 Download PDFInfo
- Publication number
- KR19990030197A KR19990030197A KR1019980040209A KR19980040209A KR19990030197A KR 19990030197 A KR19990030197 A KR 19990030197A KR 1019980040209 A KR1019980040209 A KR 1019980040209A KR 19980040209 A KR19980040209 A KR 19980040209A KR 19990030197 A KR19990030197 A KR 19990030197A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- reflected light
- display device
- crystal display
- substrate
- Prior art date
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/40—Materials having a particular birefringence, retardation
-
- 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
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
Description
△n·d(㎚) | 각 도 | |
크기 도 2의 부호 | ||
편광판위상차판액정층 | 180318440 | 146.5˚ 21b143.5˚ 22b58.5˚ 27c63.0˚ 27d |
편광판위상차판액정층 | 180510440 | 141.5˚ 21b150.5˚ 22b58.5˚ 27c63.0˚ 27d |
△n·d(㎚) | 각 도 | |
크 기 도 5의 부분 | ||
편광판액정층 | 180430 | 58.5˚ 51b58.5° 57c63.0° 57d |
Claims (5)
- 반사전극이 형성된 제 1의 기판과 투명전극이 형성된 제 2의 기판이 상기 반사전극과 상기 투명전극이 대향하도록 배치되고, 상기 제 1과 제 2의 기판사이에는 액정층이 끼워 유지되고, 상기 제 2의 기판쪽에 편광판이 배치되고, 이 편광판과 상기 제 2의 기판과의 사이에 위상차판이 개재삽입되고, 상기 편광판의 흡수축방향과 상기 제 2의 기판에 가장 근접하고 있는 액정분자의 긴축방향이 평행하지 않는 반사형 액정표시장치에 있어서,상기 액정층에 인가되는 전압에 따라서 변화하는 반사광의 색도를 Yxy표색계에 의해 표시하였을 경우에, 상기 반사광에 대해서의 x 및 y의 값이, x-y≤0의 관계를 만족시키고, 또한 각각 0.23≤x≤0.35, 0.23≤y≤0.37의 범위에 있는 것을 특징으로 하는 반사형 액정표시장치.
- 반사전극이 형성된 제 1의 기판과 투명전극이 형성된 제 2의 기판이 상기 반사전극과 상기 투명전극이 대향하도록 배치되고, 상기 제 1과 제 2의 기판사이에는 액정층이 끼워유지되고, 상기 제 2의 기판쪽에 편광판이 배치된 반사형 액정표시장치에 있어서,상기 액정층에 인가되는 전압에 따라서 변화하는 반사광의 색도를 Yxy표색계에 의해 표시하였을 경우, 상기 반사광에 대해서의 x 및 y의 값이, x-y≤0의 관계를 만족시키고, 또한 각각 0.23≤x≤0.35, 0.23≤y≤0.37의 범위에 있는 것을 특징으로 하는 반사형 액정표시장치.
- 제 1항 또는 제 2항에 있어서, 상기 반사광의 반사율을 Yxy표색계의 Y에 의해 표시하였을 경우에, 상기 전압에 따라서 변화하는 Y를 8등분해서 낮은쪽으로부터 차례로 Y1∼Y8로 하면, 상기 Y가 Y1의 범위에 있을때에는, 상기 반사광에 대해서의 x 및 y의 값이 각각 0.23≤x≤0.32, 0.23≤y≤0.30의 범위에 있고, 또한 상기 Y가 Y8의 범위에 있을때에는, 상기 반사광에 대해서의 x 및 y의 값이 각각 0.28≤x≤0.35, 0.28≤y≤0.37의 범위에 있는 것을 특징으로 하는 반사형 액정표시장치.
- 제 1항∼제 3항의 어느 한 항에 있어서, 상기 반사광의 반사율을 Yxy표색계의 Y에 의해 표시하였을 경우에, 상기 전압에 따라서 변화하는 Y를 8등분해서 낮은쪽으로부터 차례로 Y1∼Y8로 하면, 상기 Y가 Y2∼Y7의 범위에 있을때에는, 상기 반사광에 대해서의 x 및 y의 값이 각각 0.25≤x≤0.34, 0.26≤y≤0.35의 범위에 있는 것을 특징으로 하는 반사형 액정표시장치.
- 청구항 1∼4의 어느 한 항에 기재의 반사형 액정표시장치의 상기 제 2의 기판쪽에, 또 컬러필터를 구비한 것을 특징으로 하는 반사형 액정표시장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1997-263530 | 1997-09-29 | ||
JP26353097A JP3209708B2 (ja) | 1997-09-29 | 1997-09-29 | 反射型液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990030197A true KR19990030197A (ko) | 1999-04-26 |
KR100281246B1 KR100281246B1 (ko) | 2001-02-01 |
Family
ID=17390824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980040209A KR100281246B1 (ko) | 1997-09-29 | 1998-09-28 | 반사형 액정표시장치 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0907096A3 (ko) |
JP (1) | JP3209708B2 (ko) |
KR (1) | KR100281246B1 (ko) |
TW (1) | TW445391B (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100629984B1 (ko) * | 2002-02-07 | 2006-09-29 | 엔이씨 엘씨디 테크놀로지스, 엘티디. | 색불균일에 효과적인 액정표시장치 |
KR100812721B1 (ko) * | 2004-04-28 | 2008-03-12 | 캐논 가부시끼가이샤 | 컬러표시소자 |
KR20120020746A (ko) * | 2010-08-31 | 2012-03-08 | 현대자동차주식회사 | 자동차용 아웃사이드 미러 언폴딩 제어 장치 및 방법 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001133764A (ja) * | 1999-11-02 | 2001-05-18 | Seiko Instruments Inc | 液晶表示素子 |
WO2001059513A1 (fr) * | 2000-02-07 | 2001-08-16 | Nippon Mitsubishi Oil Corporation | Element graphique a cristaux liquides en reflexion |
US6744173B2 (en) | 2000-03-24 | 2004-06-01 | Analog Devices, Inc. | Multi-layer, self-aligned vertical combdrive electrostatic actuators and fabrication methods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583678A (en) * | 1993-03-12 | 1996-12-10 | Casio Computer Co., Ltd. | Color liquid crystal display apparatus |
JPH0743707A (ja) * | 1993-07-30 | 1995-02-14 | Sharp Corp | 液晶表示装置及びその製造方法 |
JP3284169B2 (ja) * | 1995-10-13 | 2002-05-20 | シャープ株式会社 | 複屈折制御型液晶表示装置 |
-
1997
- 1997-09-29 JP JP26353097A patent/JP3209708B2/ja not_active Expired - Fee Related
-
1998
- 1998-09-11 TW TW087115170A patent/TW445391B/zh not_active IP Right Cessation
- 1998-09-16 EP EP98117603A patent/EP0907096A3/en not_active Withdrawn
- 1998-09-28 KR KR1019980040209A patent/KR100281246B1/ko not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100629984B1 (ko) * | 2002-02-07 | 2006-09-29 | 엔이씨 엘씨디 테크놀로지스, 엘티디. | 색불균일에 효과적인 액정표시장치 |
KR100812721B1 (ko) * | 2004-04-28 | 2008-03-12 | 캐논 가부시끼가이샤 | 컬러표시소자 |
KR20120020746A (ko) * | 2010-08-31 | 2012-03-08 | 현대자동차주식회사 | 자동차용 아웃사이드 미러 언폴딩 제어 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
EP0907096A3 (en) | 2000-10-11 |
KR100281246B1 (ko) | 2001-02-01 |
JP3209708B2 (ja) | 2001-09-17 |
TW445391B (en) | 2001-07-11 |
EP0907096A2 (en) | 1999-04-07 |
JPH11101972A (ja) | 1999-04-13 |
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