KR880005482A - 투사형 표시장치 - Google Patents

투사형 표시장치 Download PDF

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Publication number
KR880005482A
KR880005482A KR870012085A KR870012085A KR880005482A KR 880005482 A KR880005482 A KR 880005482A KR 870012085 A KR870012085 A KR 870012085A KR 870012085 A KR870012085 A KR 870012085A KR 880005482 A KR880005482 A KR 880005482A
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KR
South Korea
Prior art keywords
liquid crystal
twisted nematic
nematic liquid
crystal light
light bulb
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Application number
KR870012085A
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English (en)
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KR940009073B1 (ko
Inventor
수지 아루가
Original Assignee
원본미기재
세이꼬 엡슨 가부시끼 가이샤
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Application filed by 원본미기재, 세이꼬 엡슨 가부시끼 가이샤 filed Critical 원본미기재
Publication of KR880005482A publication Critical patent/KR880005482A/ko
Application granted granted Critical
Publication of KR940009073B1 publication Critical patent/KR940009073B1/ko

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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
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
    • G02F1/1313—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 specially adapted for a particular application
    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)

Abstract

내용 없음

Description

투사형 표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 실시예의 토사형 표시장치의 TN액정 라이트 벌브의 구성도.
제2도는 본 실시예의 투사형 표시장치의 대표적인 광학정 구성도.
제5도는 본 실시예의 투사형 표시장치의 TN액정 라이트 벌브의 단면도.

Claims (4)

  1. 적색광을 제어하는 제1의 트위스티드 네마틱 액정 라이트 벌브와 녹생광을 제어하는 제2의 트위스티드 네마틱 액정 라이트 벌브와 청색광을 제어하는 제3의 트위스티드 네마틱 액정 라이트 벌브에 의해서 형성된 화상을 가법 혼색하여 확대 투사하는 투사형 표시장치에 있어서, 상기 3매의 트위스티드 네마틱 액정 라이트 벌브에 보유되는 트위스티드 네마틱 액정의 복굴절율(△n) 및 그 액정층의 두께(d)에 의해서 정해지는 △nd값을 입사색광의 파장 특성에 따라서 변화시킨 것을 특징으로 하는 투사형 표시장치.
  2. 제1항에있어서, 상기 제1의 트위스티드 네마틱 라이트 벌브의 △nd값은 상기 제2의 트위스티드 네마틱 액정 라이트 벌브의 △nd값보다 크게 상기 제3의 트위스티드네마틱 액정 라이트 벌브의 △nd값은 상기 제2의 트위스티드 네마틱 액정 라이트 벌브의nd값보다 작은 것을 특징으로 하는 투사형 표시장치.
  3. 제1항에 있어서, 상기 3매의 트위스티드 네마틱 액정 라이트 벌브의 액정층에 두께(d)가 상호 동등하게 설정되어 있는 것을 특징으로 하는 투사형 표시장치.
  4. 제1항에 있어서, 상기 제1의 트위스티드 네마틱 액정 라이트 벌브의 △nd값이 1.4,≤△nd≤1.6이고 상기 제2의 트위스티드 네마틱 액정 라이트 벌브이 △nd값이 1.2≤△nd≤1.4이며 상기 제3의 트위스티드 네마틱 액정 라이트 벌브의 △nd값이 1.0≤△nd≤1.2인 것을 특징으로 한는 투사형 표시장치
    ※ 참고사항 : 최초출원에 의하여 공개하는 것임
KR1019870012085A 1986-10-31 1987-10-30 투사형 디스플레이 장치 KR940009073B1 (ko)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP26025386 1986-10-31
JP260253 1986-10-31
JP260,253 1986-10-31
JP307,282 1986-12-23
JP30728386 1986-12-23
JP307282 1986-12-23
JP307283 1986-12-23
JP307,283 1986-12-23
JP30728286 1986-12-23
JP181333 1987-07-21
JP62181333A JP2742788B2 (ja) 1986-10-31 1987-07-21 投射型表示装置
JP181,333 1987-07-21

Publications (2)

Publication Number Publication Date
KR880005482A true KR880005482A (ko) 1988-06-29
KR940009073B1 KR940009073B1 (ko) 1994-09-29

Family

ID=27334901

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012085A KR940009073B1 (ko) 1986-10-31 1987-10-30 투사형 디스플레이 장치

Country Status (2)

Country Link
JP (1) JP2742788B2 (ko)
KR (1) KR940009073B1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377757B1 (en) * 1988-07-14 1997-01-08 Seiko Epson Corporation Reflection-type liquid crystal electro-optical device and projection-type display device using the same
JPH02130521A (ja) * 1988-11-11 1990-05-18 Nippon I B M Kk ツイステッド・ネマチック液晶表示装置
JPH036524A (ja) * 1989-06-02 1991-01-14 Matsushita Electric Ind Co Ltd 投写型液晶表示装置
DE3925382A1 (de) * 1989-06-14 1991-01-03 Merck Patent Gmbh Elektrooptisches system mit kompensationsfilm
JP2616042B2 (ja) * 1989-09-11 1997-06-04 松下電器産業株式会社 液晶表示装置
US5426009A (en) * 1992-09-19 1995-06-20 Merck Patent Gesellschaft Mit Beschrankter Haftung Polymeric composite material
JP3791241B2 (ja) * 1999-06-04 2006-06-28 セイコーエプソン株式会社 投射型表示装置
JP3849655B2 (ja) 2003-02-21 2006-11-22 セイコーエプソン株式会社 投射型表示装置
JP2021192071A (ja) * 2018-09-10 2021-12-16 ソニーグループ株式会社 投射型液晶表示装置及び電子機器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63104019A (ja) * 1986-10-21 1988-05-09 Matsushita Electric Ind Co Ltd 投射型カラ−表示装置

Also Published As

Publication number Publication date
JP2742788B2 (ja) 1998-04-22
KR940009073B1 (ko) 1994-09-29
JPS63271232A (ja) 1988-11-09

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