KR930703623A - 광 산란 전광 소자를 갖는 디스플레이 - Google Patents

광 산란 전광 소자를 갖는 디스플레이

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Publication number
KR930703623A
KR930703623A KR1019930702395A KR930702395A KR930703623A KR 930703623 A KR930703623 A KR 930703623A KR 1019930702395 A KR1019930702395 A KR 1019930702395A KR 930702395 A KR930702395 A KR 930702395A KR 930703623 A KR930703623 A KR 930703623A
Authority
KR
South Korea
Prior art keywords
display
liquid crystal
medium
electrode means
display medium
Prior art date
Application number
KR1019930702395A
Other languages
English (en)
Inventor
제이. 존즈 필립
토미타 아키라
Original Assignee
하버트 지. 버카드
레이켐 코포레이션
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
Application filed by 하버트 지. 버카드, 레이켐 코포레이션 filed Critical 하버트 지. 버카드
Publication of KR930703623A publication Critical patent/KR930703623A/ko

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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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • 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
    • G02F1/13706—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 the liquid crystal having positive dielectric anisotropy
    • 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
    • G02F2202/04—Materials and properties dye
    • G02F2202/043—Materials and properties dye pleochroic
    • 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
    • G02F2203/03—Function characteristic scattering

Abstract

제1전극 수단(6); 제2전극 수단(5); 및 상기 제1전극 수단(6)과 제2전극 수단(5)사이에 위치하고, 다색 염료를 함유하며, 이 다색 염료에 의해 입사광이 거의 흡수되는 제1상태와 상기 흡수량이 실질적으로 감소되는 제2상태간에 스위치 가능하고, 디스플레이 매질(2)이 제2상태에 있을때, 약 5내지 약 40°의 산란 절반 각도로 입사광을 산란시키면서 한편으로 입사광의 적어도 10%를 투과시킬 수 있는 디스플레이 매질(2)을 포함하는 디스플레이.

Description

광 산란 전광 소자를 갖는 디스플레이
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 제2도는 본 발명에 따른 반사 디스플레이를 도시한다. 제3도는 본 발명에 따른 투과 디스플레이를 도시한다. 제4a-b 및 제5a-b도는 본 발명 디스플레이의 일부가능한 산란 패턴을 도식적으로 예시한다.

Claims (10)

  1. 제1전극; 제2전극 수단; 및 상기 제1전극 수단과 제2전극 수단사이에 위치하고, 다색 염료를 함유하며, 이 다색 염료에 의해 입사광이 거의 흡수되는 제1상태와 상기 흡수량이 실질적으로 감소되는 제2상태간에 스위치 가능하고, 디스플레이 매질이 제2상태에 있을때, 약 5 내지 40°의 산란 절반 각도로 입사광을 산란시키면서 한편으로 입사광의 적어도 10%를 투과시킬 수 있는 디스플레이 매질을 포함하는 디스플레이.
  2. 제1항에 있어서, 상기 디스플레이 매질이 붕쇄 매질에 분산된, 다색 염료를 함유하는 양성 유전체 이방성의 구동시 네마틱인 액정을 포함하는 디스플레이.
  3. 제1항 또는 제2항에 있어서, 상기 제2전극 수단이 반사적이어서, 디스플레이 매질을 통과하는 광을 디스플레이 매질을 위해 역방향으로 반사시키는 디스플레이.
  4. 제1항 또는 제2항에 있어서, 상기 제2전극 수단이 투명한 디스플레이.
  5. 제4항에 있어서, 상기 제2전극 수단뒤에 광원을 또한 포함하는 디스플레이.
  6. 제2항에 있어서, 구동시 네마틱인 액정의 통상 굴절율과 봉쇄 매질의 굴절율 사이의 절대값 차가 약 0.05 내지 1.00인 디스플레이.
  7. 제2항에 있어서, 상기 절대값 차가 약 0.1 내지 약 0.2인 디스플레이.
  8. 봉쇄매질; 상기 봉쇄 매질에 분산된 별도 용량의 액정; 및 액정안에 함유된 다색 염료를 포함하고, 액정의 통상 굴절율과 봉쇄 매질의 굴절율 사이의 절대값 차가 약 0.05 내지 약 1.00이며, 입사광이 다색 염료에 의해 거의 흡수되는 제1상태와 상기 흡수량이 실질적으로 감소되는 제2상태간에 스위치 가능한 액정 디스플레이 매질.
  9. 제8항에 있어서, 상기 액정이 양성 유전체 이방성의 구동시 네마틱인 액정 디스플레이 매질.
  10. 제8항에 있어서, 상기 절대값 차가 약 0.10 내지 약 0.20인 액정 디스플레이 매질.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930702395A 1991-02-11 1992-01-21 광 산란 전광 소자를 갖는 디스플레이 KR930703623A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US653,564 1991-02-11
US07/653,564 US5136403A (en) 1991-02-11 1991-02-11 Display having light scattering electro-optical element
PCT/US1992/000459 WO1992014181A1 (en) 1991-02-11 1992-01-21 Display having light scattering electro-optical element

Publications (1)

Publication Number Publication Date
KR930703623A true KR930703623A (ko) 1993-11-30

Family

ID=24621396

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930702395A KR930703623A (ko) 1991-02-11 1992-01-21 광 산란 전광 소자를 갖는 디스플레이

Country Status (8)

Country Link
US (1) US5136403A (ko)
EP (1) EP0571459B1 (ko)
JP (1) JP3127302B2 (ko)
KR (1) KR930703623A (ko)
AT (1) ATE166468T1 (ko)
CA (1) CA2100333C (ko)
DE (1) DE69225584T2 (ko)
WO (1) WO1992014181A1 (ko)

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Publication number Priority date Publication date Assignee Title
JP2801102B2 (ja) * 1991-02-01 1998-09-21 富士通株式会社 液晶表示装置
DE69208125T2 (de) * 1991-03-26 1996-08-29 Philips Electronics Nv Lichtstreuelement
JPH05113518A (ja) * 1991-10-21 1993-05-07 Fujitsu Ltd 光フアイバ結合レンズシステム
US5559615A (en) * 1993-10-07 1996-09-24 Casio Computer Co., Ltd. Polymer dispersed liquid crystal display device
JPH07253621A (ja) * 1994-03-16 1995-10-03 Fujitsu Ltd スクリーン及びこれを用いた投写型表示装置
US6271898B1 (en) 1996-09-19 2001-08-07 Rohm And Haas Company Particles and droplets containing liquid domains and method for forming in an aqueous medium
US5835174A (en) * 1995-10-12 1998-11-10 Rohm And Haas Company Droplets and particles containing liquid crystal and films and apparatus containing the same
US5831698A (en) * 1996-08-20 1998-11-03 International Business Machines Corporation Electrically variable diffuser

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JPS50107958A (ko) * 1974-01-31 1975-08-25
JPS535996B2 (ko) * 1974-03-11 1978-03-03
US3905682A (en) * 1974-06-14 1975-09-16 Rca Corp Liquid crystal devices of improved contrast
JPS535996A (en) * 1976-07-06 1978-01-19 Seiko Epson Corp Reflecting plate for liquid crystal display device
JPS5694386A (en) * 1979-12-27 1981-07-30 Suwa Seikosha Kk Liquiddcrystal display unit
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Also Published As

Publication number Publication date
EP0571459A1 (en) 1993-12-01
EP0571459B1 (en) 1998-05-20
ATE166468T1 (de) 1998-06-15
CA2100333A1 (en) 1992-08-12
EP0571459A4 (ko) 1994-01-12
WO1992014181A1 (en) 1992-08-20
CA2100333C (en) 2002-05-28
DE69225584D1 (de) 1998-06-25
US5136403A (en) 1992-08-04
JP3127302B2 (ja) 2001-01-22
JPH06505345A (ja) 1994-06-16
DE69225584T2 (de) 1998-09-10

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