KR100619670B1 - 액정 프로젝터 - Google Patents

액정 프로젝터 Download PDF

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Publication number
KR100619670B1
KR100619670B1 KR1019990001592A KR19990001592A KR100619670B1 KR 100619670 B1 KR100619670 B1 KR 100619670B1 KR 1019990001592 A KR1019990001592 A KR 1019990001592A KR 19990001592 A KR19990001592 A KR 19990001592A KR 100619670 B1 KR100619670 B1 KR 100619670B1
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KR
South Korea
Prior art keywords
light
beam splitter
liquid crystal
polarization beam
units
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1019990001592A
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English (en)
Korean (ko)
Other versions
KR19990068015A (ko
Inventor
히라카타요시하루
하야시게이스케
Original Assignee
가부시키가이샤 한도오따이 에네루기 켄큐쇼
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Publication of KR19990068015A publication Critical patent/KR19990068015A/ko
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Publication of KR100619670B1 publication Critical patent/KR100619670B1/ko
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    • 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]
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • 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
    • H04N9/3108—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 by using a single electronic spatial light modulator
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
KR1019990001592A 1998-01-21 1999-01-20 액정 프로젝터 Expired - Fee Related KR100619670B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10-023999 1998-01-21
JP02399998A JP3892130B2 (ja) 1998-01-21 1998-01-21 液晶プロジェクタ

Publications (2)

Publication Number Publication Date
KR19990068015A KR19990068015A (ko) 1999-08-25
KR100619670B1 true KR100619670B1 (ko) 2006-09-05

Family

ID=12126284

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990001592A Expired - Fee Related KR100619670B1 (ko) 1998-01-21 1999-01-20 액정 프로젝터

Country Status (3)

Country Link
US (1) US6856304B1 (enExample)
JP (1) JP3892130B2 (enExample)
KR (1) KR100619670B1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7697052B1 (en) 1999-02-17 2010-04-13 Semiconductor Energy Laboratory Co., Ltd. Electronic view finder utilizing an organic electroluminescence display
KR100364670B1 (ko) * 1999-08-31 2002-12-16 엘지전자 주식회사 반사형 액정 투사장치
JP2006503312A (ja) 2002-04-06 2006-01-26 サムスン エレクトロニクス カンパニー リミテッド 高効率照明システム、スクローリングユニット及びそれを採用したプロジェクションシステム
US7364313B2 (en) * 2002-12-27 2008-04-29 Barco N.V. Multiple image projection system and method for projecting multiple selected images adjacent each other
JP3843973B2 (ja) * 2003-09-02 2006-11-08 セイコーエプソン株式会社 プロジェクタ
JP4649129B2 (ja) * 2004-06-17 2011-03-09 キヤノン株式会社 照明光学系およびそれを用いた投写型表示装置
JP2008116898A (ja) * 2006-10-11 2008-05-22 Fujinon Sano Kk 光学フィルタ、投射型表示装置及び光学フィルタの製造方法
JP4943885B2 (ja) * 2007-02-16 2012-05-30 株式会社リコー 多波長偏光変換素子、照明ユニット及び画像表示装置
US7855834B2 (en) * 2007-03-27 2010-12-21 Epson Toyocom Corporation Multilayered phase difference plate and projector
RU2490816C2 (ru) * 2008-02-08 2013-08-20 Конинклейке Филипс Электроникс Н.В. Модульное осветительное устройство
DE102012210808B4 (de) * 2012-06-26 2018-05-17 Sypro Optics Gmbh Head-up Display und Projektionsoptik für ein Head-up Display
GB201501157D0 (en) 2015-01-23 2015-03-11 Scopis Gmbh Instrument guidance system for sinus surgery
CN106405933B (zh) 2016-10-31 2019-08-13 京东方科技集团股份有限公司 背光模组和液晶显示装置
WO2021009587A1 (ja) 2019-07-12 2021-01-21 株式会社半導体エネルギー研究所 機能パネル、表示装置、入出力装置、情報処理装置
WO2021069999A1 (ja) 2019-10-11 2021-04-15 株式会社半導体エネルギー研究所 機能パネル、表示装置、入出力装置、情報処理装置
US11933994B2 (en) * 2020-05-14 2024-03-19 Brelyon, Inc. System and method for aperture extension and programmable optical depth modulation via a field evolving cavity

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06324329A (ja) * 1993-05-13 1994-11-25 Omron Corp 液晶表示装置及び偏光分離レンズアレイ
KR950006359A (ko) * 1993-08-16 1995-03-20 최창선 톱 플레이트
JPH07294906A (ja) * 1994-04-28 1995-11-10 Nippon Hoso Kyokai <Nhk> 映像表示装置
JPH0980371A (ja) * 1995-09-07 1997-03-28 Sharp Corp 投影型カラー液晶表示装置
JPH09251164A (ja) * 1996-03-15 1997-09-22 Toshiba Corp 背面投写型液晶プロジェクタ装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267029A (en) * 1989-12-28 1993-11-30 Katsumi Kurematsu Image projector
US5682180A (en) * 1990-06-08 1997-10-28 General Motors Corporation Multi-color electronic display utilizing opponent colors
JPH04212102A (ja) * 1990-07-26 1992-08-03 Canon Inc ダイクロイックミラーおよび該ミラーを用いた投写型表示装置
JP3273955B2 (ja) * 1991-04-09 2002-04-15 キヤノン株式会社 画像投影装置
US5221982A (en) * 1991-07-05 1993-06-22 Faris Sadeg M Polarizing wavelength separator
JP3254680B2 (ja) * 1993-03-16 2002-02-12 セイコーエプソン株式会社 投写型表示装置
US5400069A (en) * 1993-06-16 1995-03-21 Bell Communications Research, Inc. Eye contact video-conferencing system and screen
JP2765471B2 (ja) * 1994-02-15 1998-06-18 日本電気株式会社 投写型液晶表示装置
JPH08510089A (ja) * 1994-03-03 1996-10-22 フィリップス エレクトロニクス ネムローゼ フェン ノートシャップ 光吸収コーティングを具えた表示画面を含んでいる表示デバイス
US5513023A (en) * 1994-10-03 1996-04-30 Hughes Aircraft Company Polarizing beamsplitter for reflective light valve displays having opposing readout beams onto two opposing surfaces of the polarizer
US6081378A (en) * 1995-04-24 2000-06-27 Polycom, Inc. High efficiency homogeneous polarization converter
TW374857B (en) * 1996-06-19 1999-11-21 Toshiba Corp Display device, liquid crystal display panel, and a projection type display using a liquid crystal display panel
JP3298437B2 (ja) * 1996-12-18 2002-07-02 セイコーエプソン株式会社 光学素子、偏光照明装置および投写型表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06324329A (ja) * 1993-05-13 1994-11-25 Omron Corp 液晶表示装置及び偏光分離レンズアレイ
KR950006359A (ko) * 1993-08-16 1995-03-20 최창선 톱 플레이트
JPH07294906A (ja) * 1994-04-28 1995-11-10 Nippon Hoso Kyokai <Nhk> 映像表示装置
JPH0980371A (ja) * 1995-09-07 1997-03-28 Sharp Corp 投影型カラー液晶表示装置
JPH09251164A (ja) * 1996-03-15 1997-09-22 Toshiba Corp 背面投写型液晶プロジェクタ装置

Also Published As

Publication number Publication date
US6856304B1 (en) 2005-02-15
JP3892130B2 (ja) 2007-03-14
JPH11212051A (ja) 1999-08-06
KR19990068015A (ko) 1999-08-25

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