KR950024538A - 투사형 화상표시장치 - Google Patents

투사형 화상표시장치 Download PDF

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Publication number
KR950024538A
KR950024538A KR1019940000786A KR19940000786A KR950024538A KR 950024538 A KR950024538 A KR 950024538A KR 1019940000786 A KR1019940000786 A KR 1019940000786A KR 19940000786 A KR19940000786 A KR 19940000786A KR 950024538 A KR950024538 A KR 950024538A
Authority
KR
South Korea
Prior art keywords
light
lens
power lens
image display
type image
Prior art date
Application number
KR1019940000786A
Other languages
English (en)
Other versions
KR100220674B1 (ko
Inventor
임대영
Original Assignee
배순훈
대우전자 주식회사
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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940000786A priority Critical patent/KR100220674B1/ko
Priority to US08/367,527 priority patent/US5564811A/en
Priority to JP7023371A priority patent/JPH0882764A/ja
Priority to CN95101255A priority patent/CN1077293C/zh
Publication of KR950024538A publication Critical patent/KR950024538A/ko
Application granted granted Critical
Publication of KR100220674B1 publication Critical patent/KR100220674B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7458—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of deformable mirrors, e.g. digital micromirror device [DMD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

본 발명은 투사형 화상표시장치에 관한 것으로서, 투사렌즈를 (-)파워렌즈를 이동시킴으로써 두렌즈 중심간의 거리 d를 가변할 수 있도록 (+)파워렌즈와 (-)파워렌즈로 구성하였다. 따라서, 두 렌즈 중심간의 거리의 변화에 따라 투사렌즈의 촛점거리를 가변할 수 있으므로 화면의 설치위치를 넓은 범위에서 정할 수 있으며, 화면의 크기도 조절할 수 있다.

Description

투사형 화상표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래의 투사형 화상표시장치의 개략도,
제2도는 본 발명에 따른 투사형 화상표시 장치의 개략도.

Claims (2)

  1. 고휘도의 백색광을 방사하는 광원과, 상기 광원에서 방사된 백색광을 적색, 녹색 및 청색의 제1차 광속들로 분리되는 광분리 수단과, 상기 광분리수단에서 분리된 제1차 광속들을 다수개의 화소들에 대응되는 광의 경로가 조절된 제2차 광속들로 반사시키는 광로조절수단과, 상기 광로조절수단에서 광로가 조절된 제2차 광속들의 광량을 조절하는 광량조절수단과, 상기 광량조절수단에서 광량이 조절된 제2차 광속들을 투사하는 투사렌즈와, 상기 투사렌즈에서 투사된 제2차 광속들을 소정화상으로 나타내는 화면을 포함하는 투사형 화상표시 장치에 있어서, 상기 투사렌즈는 (+)파워렌즈와 (-)파워렌즈로 이루어진 투사형 화상표시장치.
  2. 제1항에 있어서, 상기 투사렌즈는 상기 (+)파워렌즈와 (-)파워렌즈의 중심간의 거리가 상기 (-)파워렌즈를 이동시킴으로써 가변되는 것을 특징으로하는 투사형 화상표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940000786A 1994-01-18 1994-01-18 투사형 화상표시장치 KR100220674B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019940000786A KR100220674B1 (ko) 1994-01-18 1994-01-18 투사형 화상표시장치
US08/367,527 US5564811A (en) 1994-01-18 1994-12-30 Optical projection system with a varifocal projection lens
JP7023371A JPH0882764A (ja) 1994-01-18 1995-01-17 光投射型システム
CN95101255A CN1077293C (zh) 1994-01-18 1995-01-18 具有可变焦投影透镜系统的光学投影系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940000786A KR100220674B1 (ko) 1994-01-18 1994-01-18 투사형 화상표시장치

Publications (2)

Publication Number Publication Date
KR950024538A true KR950024538A (ko) 1995-08-21
KR100220674B1 KR100220674B1 (ko) 1999-09-15

Family

ID=19375806

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940000786A KR100220674B1 (ko) 1994-01-18 1994-01-18 투사형 화상표시장치

Country Status (4)

Country Link
US (1) US5564811A (ko)
JP (1) JPH0882764A (ko)
KR (1) KR100220674B1 (ko)
CN (1) CN1077293C (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100220675B1 (ko) * 1994-10-31 1999-09-15 전주범 투사형 화상표시장치
JPH11249012A (ja) 1998-02-27 1999-09-17 Minolta Co Ltd プロジェクター光学系
DE19832317C1 (de) 1998-07-17 2000-05-11 Zeiss Carl Jena Gmbh Anordnung, bei der von einer Lichtquelle aus Licht auf eine Fläche gerichtet wird
JP2002250894A (ja) * 2001-02-26 2002-09-06 Matsushita Electric Ind Co Ltd 投写型表示装置
KR20030018740A (ko) 2001-08-31 2003-03-06 삼성전자주식회사 투사 장치
CN1300624C (zh) * 2001-10-01 2007-02-14 松下电器产业株式会社 投射式显示装置、背投式投影机和多影像系统
EP1306878B1 (en) * 2001-10-10 2010-10-13 Applied Materials Israel Ltd. Method and device for aligning a charged particle beam column
JP2003233008A (ja) * 2002-02-08 2003-08-22 Olympus Optical Co Ltd 撮像装置
US7545555B2 (en) * 2005-01-27 2009-06-09 Hewlett-Packard Development Company, L.P. Projection device
US7301691B2 (en) * 2005-08-10 2007-11-27 Tte Technology, Inc. System and method for generating images
JP5063224B2 (ja) * 2007-07-03 2012-10-31 キヤノン株式会社 投射レンズ及び画像投射装置
US9195115B2 (en) 2009-10-15 2015-11-24 Nec Corporation Image projection device, image protection method, distance measuring device and distance measuring method
FR2985811B1 (fr) * 2012-01-13 2014-12-05 Cassidian Test & Services Dispositif optique, banc de test optique et procede de test optique.
EP3409014B1 (en) * 2016-01-26 2020-10-28 Imax Corporation Stereo image projection with high intra-frame contrast
JP6934072B2 (ja) 2017-12-26 2021-09-08 富士フイルム株式会社 撮像装置
CN108559835B (zh) * 2018-03-22 2020-02-21 江苏大学 一种激光加工滚珠轴承外滚道的装置和方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH466359A (de) * 1966-11-16 1968-12-15 Eidophor Ag Verfahren zur Wiedergabe eines Bildes, das in willkürlicher zeitlicher und örtlicher Folge von Bildpunkten aufgebaut ist
US3989890A (en) * 1974-02-14 1976-11-02 Westinghouse Electric Corporation Optical imaging system utilizing a light valve array and a coupled photoemissive target
US4111538A (en) * 1976-02-25 1978-09-05 Xerox Corporation Projection system of high efficiency
US5108172A (en) * 1989-08-11 1992-04-28 Raf Electronics Corp. Active matrix reflective image plane module and projection system
US5260798A (en) * 1989-11-01 1993-11-09 Aura Systems, Inc. Pixel intensity modulator
US5245369A (en) * 1989-11-01 1993-09-14 Aura Systems, Inc. Scene projector
US5283599A (en) * 1991-07-08 1994-02-01 Asahi Kogaku Kogyo Kabushiki Kaisha Apparatus for combining and projecting images
KR960016286B1 (ko) * 1993-03-31 1996-12-07 대우전자 주식회사 투사형화상표시장치

Also Published As

Publication number Publication date
KR100220674B1 (ko) 1999-09-15
CN1077293C (zh) 2002-01-02
CN1116727A (zh) 1996-02-14
JPH0882764A (ja) 1996-03-26
US5564811A (en) 1996-10-15

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