KR900008302A - 액정 광학소자 - Google Patents

액정 광학소자 Download PDF

Info

Publication number
KR900008302A
KR900008302A KR1019890016005A KR890016005A KR900008302A KR 900008302 A KR900008302 A KR 900008302A KR 1019890016005 A KR1019890016005 A KR 1019890016005A KR 890016005 A KR890016005 A KR 890016005A KR 900008302 A KR900008302 A KR 900008302A
Authority
KR
South Korea
Prior art keywords
electro
optical device
liquid crystal
pair
phase
Prior art date
Application number
KR1019890016005A
Other languages
English (en)
Other versions
KR940002638B1 (ko
Inventor
히로시 와다나베
노부야스 야마기시
가즈오 요꼬하마
Original Assignee
다니이 아찌오
마쓰시다 덴기 산교오 가부시기가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP63278711A external-priority patent/JP2532620B2/ja
Application filed by 다니이 아찌오, 마쓰시다 덴기 산교오 가부시기가이샤 filed Critical 다니이 아찌오
Publication of KR900008302A publication Critical patent/KR900008302A/ko
Application granted granted Critical
Publication of KR940002638B1 publication Critical patent/KR940002638B1/ko

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • 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
    • 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
    • G02F2413/02—Number of plates being 2
    • 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)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)

Abstract

내용 없음.

Description

액정 광학소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도 (a), 제2도 (b), 및 제2도(c)는 동광학 소자에 있어서의 시야각의 존성의 특성도와 CIE색좌표의 색조특성도,
제3도 (a)는 편광판의 배치도,
제3도 (b) 및 제3도 (c)는 편광판의 투과 축을 직각 니콜으로 배치하였을 경우의 θ90방향 (기준선(22)과 직각 방향으로 상면으로 부터 시야각을 증가하여 간다) 및 θ45방향 (투과축 방향으로 상면으로 부터 시야각을 증가하여 간다)의 평광도의 시야각의 존성의 특성도,
제4도 (a) 및 제4도(b)는 2장의 편광판 사이에 위상필름을 삽입한 상태의 배치도,
제4도 (ca)는 제4도 (a) 제4도(b)에 있어서의 시야각 θ90방향의 편광도의 시야각의 존 특성도,
제5도는 본 발명의 한 실시예의 액정광학 소자의 구성도,
제6도 (a) 및 제6도(b)는, 실선은 제5도의 전기광학 소자구성의 시야각의 존성의 특성도이며, 파선은 제5도의 전기광학 소자구성의 시야각의 존성의 특성도,
제7도는 본 발명의 다른 실시예의 전기광학 소자의 사시도.

Claims (9)

  1. 대향하는 전극사이에 꼬인 비향을 네마틱 액정셀와 액정셀을 끼워서 표리에 배치한 한쌍의 편광판과 전술한 한쌍의 편광판(32),(33)사이에 배치한 적어도 한쌍의 위상필름을 구비하고 한쌍의 위상필름의 연신축이 대략 직교하고 또한 전술한 네마틱액정의 배향방향과 이것에 인접하는 위상필름의 연신축이 대략 평행으로 배치되어 있음을 특징으로 하는 전기 광학소자.
  2. 제1항에 있어서 편광판의 투과축과 이것에 인접한 위상필름의 연신축이 대략 직교하고 있음을 특징으로 하는 전기 광학소자.
  3. 제2항에 있어서 한쌍의 위상필름을 한편의 편광판과 액정셀사이에 배치하여서 된 것을 특징으로 하는 전기광학 소자.
  4. 제1항에 있어서 한쌍의 위상필름의 연신축의 교각을 직각보다 크게하고 평광판의 투과축과 그에 인접하는 위상필름의 연신축의 교각을 직각보다 작게 하여 설정한 것을 특징으로 하는 전기광학소자.
  5. 제1항에 있어서, 각각의 위상필름은 위상필름의 굴절률이 방성(4n)과 위상필름의 두께의 적(4n, d)이 대략 같은 것을 특징으로 하는 전기광학소자.
  6. 제1항에 있어서 편광판과 한편, 또는 양편의 위상필름은 일체화된 복합필름임을 특징으로 하는 전기광학소자.
  7. 제6항에 있어서 복합필름 액정셀의 기판으로 한것을 특징으로 하는 전기광학 소자.
  8. 제1항에 있어서, 한쌍의 편광판 사이에 적어도 한층의 광학적 이방체를 구비한 것을 특징으로 하는 전기광학소자.
  9. 제8항에 있어서, 광학적 이방체가 액정셀과 꼬인각이 대략 같고 역꼬임의 네마틱액정이며, 굴절률 이방성(4n)과 셀두께(d)의 적(△n. d)이 액정셀의 그것과 대략 같은 것을 특징으로 하는 전기광학소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890016005A 1988-11-04 1989-11-04 액정 광학 소자 KR940002638B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63278711A JP2532620B2 (ja) 1988-11-04 1988-11-04 電気光学素子
JP88-278711 1988-11-04
JP89-78845 1989-03-29
JP7884589 1989-03-29

Publications (2)

Publication Number Publication Date
KR900008302A true KR900008302A (ko) 1990-06-04
KR940002638B1 KR940002638B1 (ko) 1994-03-26

Family

ID=26419903

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019890016005A KR940002638B1 (ko) 1988-11-04 1989-11-04 액정 광학 소자
KR1019900005239A KR910018832A (ko) 1988-11-04 1990-04-16 투사형액정표시장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1019900005239A KR910018832A (ko) 1988-11-04 1990-04-16 투사형액정표시장치

Country Status (3)

Country Link
US (1) US5448386A (ko)
EP (1) EP0367616A3 (ko)
KR (2) KR940002638B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100685569B1 (ko) * 2003-05-09 2007-02-22 세이코 엡슨 가부시키가이샤 시각 제어 소자, 표시 장치, 및 전자 기기

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69428553T2 (de) * 1993-02-10 2002-06-13 Stanley Electric Co. Ltd., Tokio/Tokyo Flüssigkristall-Anzeige mit vielfachdomänen Struktur
JP3401049B2 (ja) * 1993-05-26 2003-04-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 階調液晶表示パネル
US5570214A (en) * 1993-12-15 1996-10-29 Ois Optical Imaging Systems, Inc. Normally white twisted nematic LCD with retardation films on opposite sides of liquid crystal material for improved viewing zone
US5594568A (en) * 1993-12-15 1997-01-14 Ois Optical Imaging Systems, Inc. LCD with a pair of retardation films on one side of normally white liquid crystal layer
US5576861A (en) 1993-12-15 1996-11-19 Ois Optical Imaging Systems, Inc. Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region
US5680184A (en) * 1994-04-12 1997-10-21 Casio Computer Co., Ltd. Color liquid crystal display device
JPH08122770A (ja) * 1994-10-19 1996-05-17 Hosiden Corp 液晶表示素子
JPH08194204A (ja) * 1995-01-20 1996-07-30 Hitachi Ltd 液晶表示装置
US6181401B1 (en) 1998-08-07 2001-01-30 Honeywell International Inc. Liquid crystal display with reduced off state luminance
JP4032568B2 (ja) * 1999-06-30 2008-01-16 カシオ計算機株式会社 液晶表示装置
JP2002182036A (ja) * 2000-04-06 2002-06-26 Fujitsu Ltd 視角補償フィルム及び液晶表示装置
JP2007163894A (ja) * 2005-12-14 2007-06-28 Fujifilm Corp 液晶表示装置
JP4822432B2 (ja) * 2006-07-25 2011-11-24 日東電工株式会社 液晶パネル、及び液晶表示装置
CN103576357B (zh) * 2012-07-24 2016-12-21 上海天马微电子有限公司 一种透明显示器
JP6359338B2 (ja) 2014-05-22 2018-07-18 スタンレー電気株式会社 液晶表示装置
TWI696865B (zh) * 2019-04-30 2020-06-21 國立中山大學 多功能調光玻璃
CN111711805A (zh) * 2020-07-01 2020-09-25 中国电影器材有限责任公司 高对比度的电影放映系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2028527B (en) * 1978-06-08 1982-11-24 American Liquid Xtal Chem Liquid crystal displays
JPS60202423A (ja) * 1984-03-27 1985-10-12 Matsushita Electric Ind Co Ltd カラ−液晶表示装置
GB2171549B (en) * 1985-02-15 1988-05-18 Citizen Watch Co Ltd Liquid crystal display device
EP0271315B1 (en) * 1986-12-08 1994-05-18 Sharp Kabushiki Kaisha Color liquid crystal display unit
JPS63271415A (ja) * 1987-04-30 1988-11-09 Seiko Epson Corp 液晶表示装置
US4936654A (en) * 1988-01-28 1990-06-26 Sanyo Electric Co., Ltd. Liquid crystal display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100685569B1 (ko) * 2003-05-09 2007-02-22 세이코 엡슨 가부시키가이샤 시각 제어 소자, 표시 장치, 및 전자 기기

Also Published As

Publication number Publication date
EP0367616A3 (en) 1991-04-24
US5448386A (en) 1995-09-05
EP0367616A2 (en) 1990-05-09
KR940002638B1 (ko) 1994-03-26
KR910018832A (ko) 1991-11-30

Similar Documents

Publication Publication Date Title
KR900008302A (ko) 액정 광학소자
KR100244710B1 (ko) 액정 표시 장치
EP0315484B1 (en) Liquid crystal display device
KR940002194B1 (ko) 액정표시소자
JP3998897B2 (ja) 液晶表示装置
KR910012768A (ko) 시각특성을 개선한 액정 표시 장치
KR940000905A (ko) 위상차판 및 액정표시장치
KR900002114A (ko) 액정표시소자
US5241408A (en) Liquid crystal display device with compensation and lc twist angle varying in a nonlinear fashion in the thickness direction
KR950033581A (ko) 액정 전기 광학장치, 그것을 이용한 투사형 표시 시스템, 및 액정 전기 광학 장치의 구동 방법
MY144447A (en) Stn lcd device displaying multiple colors in response to different voltages which includes a retardation plate
US4995704A (en) Liquid crystal display device
KR890002702A (ko) 트위스트 나선구조를 가지는 네마틱 액정표시장치
KR970007438A (ko) 개선된 광학 보상층을 갖춘 액정 디스플레이
KR970007440A (ko) 액정표시소자 및 광학이방소자
KR100306177B1 (ko) 액정표시장치
US5032008A (en) Liquid crystal display device having optical delay plates
EP0871059A3 (en) Liquid crystal display device
KR100663073B1 (ko) 광학필름 및 광학필름을 포함하는 액정표시장치
KR19980064517A (ko) 액정 표시 장치
KR100483528B1 (ko) 보상필름및이를이용한광시야각액정표시장치
KR960015018A (ko) 액정표시소자
KR950012110A (ko) 광 보상판을 갖는 액정 디스플레이(lcd) 장치
US6130734A (en) Color LCD having particular parameters for LC layer, retarder, color polarizer align layer
JPH04229828A (ja) 液晶表示素子

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

G160 Decision to publish patent application
B701 Decision to grant
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20050309

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee