KR890004565A - 윈-피스(one-piece)주사 스크린 - Google Patents

윈-피스(one-piece)주사 스크린 Download PDF

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Publication number
KR890004565A
KR890004565A KR1019880010805A KR880010805A KR890004565A KR 890004565 A KR890004565 A KR 890004565A KR 1019880010805 A KR1019880010805 A KR 1019880010805A KR 880010805 A KR880010805 A KR 880010805A KR 890004565 A KR890004565 A KR 890004565A
Authority
KR
South Korea
Prior art keywords
screen
scanning
field lens
refractive
refractive surfaces
Prior art date
Application number
KR1019880010805A
Other languages
English (en)
Inventor
포러 골든버그 질
햄프톤 브레들리 랠프
프란시스 귀리닛 윌리암
스튜워트 맥킨니 토마스
Original Assignee
이반 밀러 레르너
엔.브이.필립스 글로아이람펜파브리켄
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 이반 밀러 레르너, 엔.브이.필립스 글로아이람펜파브리켄 filed Critical 이반 밀러 레르너
Publication of KR890004565A publication Critical patent/KR890004565A/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

내용 없음.

Description

원-피스(one-piece)주사 스크린
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명에 의한 양호한 실시예인 원-피스 주사 스크린의 수평 단면도.
제4도는 제3도 주사 스크린의 필드 렌즈의 기하학적 도시도.
제5도는 제4도의 부분 확대도.

Claims (4)

  1. 전방면과 후방면을 갖는 후방 주사 스크린으로서, 상기 스크린의 후방면에 위치한 영상원으로부터의 영상을 상기 스크린의 전방면에 주사시키고, 상기 영상원으로부터 입사 매체와 스크린 베이스를 경유한 광을 집속하는 필드 렌즈를 구비하는 후방 주사 스크린에 있어서, 상기 필드 렌즈는 쵯환 두 개의 굴절표면을 가지며 상기 스크린 베이스에 결합되고, 상기 굴절 표면들 사이의 필드 렌즈 영역은 상기 입사 매체 및 상기 스크린 베이스와, 상이한 굴절율을 가지며, 상기 굴절 표면중의 하나는 상기 스크린 베이스의 경계에 있는 것을 특징으로 하는 후방 주사 스크린.
  2. 제1항에 있어서, 상기 굴절 표면은 프레스넬 렌즈 구조인 것을 특징으로 하는 후방 주사 스크린.
  3. 제1항 또는 제2항에 있어서, 상기 스크린 베이스는 집속된 광을 제1방향으로 분산되도록 제어하는 확산기와, 상기 확산기에서 받은 광을 광각(wide angle)으로 분산시키기 위해 상기 확산에 결합된 렌즈형 배열을 구비하는 것을 특징으로 하는 후방 주사 스크린.
  4. 제1항, 제2항 또는 제3항에 있어서, 상기 필드 렌즈의 광 파우어는 상기 굴절 표면들에 균일하게 분배되는 것을 특징으로 하는 후방 주사 스크린.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880010805A 1987-08-28 1988-08-25 윈-피스(one-piece)주사 스크린 KR890004565A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US090,487 1987-08-28
US07/090,487 US4773731A (en) 1987-08-28 1987-08-28 One-piece projection screen

Publications (1)

Publication Number Publication Date
KR890004565A true KR890004565A (ko) 1989-04-22

Family

ID=22222988

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880010805A KR890004565A (ko) 1987-08-28 1988-08-25 윈-피스(one-piece)주사 스크린

Country Status (6)

Country Link
US (1) US4773731A (ko)
EP (1) EP0305009B1 (ko)
JP (1) JP2904214B2 (ko)
KR (1) KR890004565A (ko)
DE (1) DE3885210T2 (ko)
DK (1) DK171004B1 (ko)

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DE3921061A1 (de) * 1989-06-23 1991-01-03 Hertz Inst Heinrich Wiedergabeeinrichtung fuer dreidimensionale wahrnehmung von bildern
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JP2625317B2 (ja) * 1992-06-11 1997-07-02 ミサワホーム株式会社 ユニット式建物の上下階接合構造
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US6483612B2 (en) 1998-04-15 2002-11-19 Duke University Projection screen apparatus including holographic optical element
US6788460B2 (en) 1998-04-15 2004-09-07 Duke University Projection screen apparatus
US20030206342A1 (en) * 1993-05-12 2003-11-06 Bright View Technologies, Inc. Micro-lens array based light transmission screen
US5668662A (en) * 1994-05-12 1997-09-16 Philips Electronics North America Corporation Front projection screen with lenticular front surface
JP3371654B2 (ja) * 1995-10-30 2003-01-27 ソニー株式会社 投射型ディスプレイ装置
EP0963570B8 (en) * 1997-12-29 2005-09-14 Koninklijke Philips Electronics N.V. Rear projection screen
US6163402A (en) * 1998-06-11 2000-12-19 3M Innovative Properties Company Rear projection screen
US6449089B1 (en) 1998-03-30 2002-09-10 3M Innovative Properties Company Rear projection screen with enhanced contrast
US6967779B2 (en) * 1998-04-15 2005-11-22 Bright View Technologies, Inc. Micro-lens array with precisely aligned aperture mask and methods of producing same
US6816306B2 (en) * 1998-04-15 2004-11-09 Bright View Technologies Inc. Micro-lens array based light transmitting screen with high resolution and low imaging artifacts
US6829087B2 (en) * 1998-04-15 2004-12-07 Bright View Technologies, Inc. Micro-lens array based light transmitting screen with tunable gain
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EP1218795B1 (en) 1999-09-29 2003-05-07 Scan Vision Screen APS A translucent screen comprising a lens system
DE10022713B4 (de) * 2000-05-10 2004-02-05 Osram Opto Semiconductors Gmbh Signalgeber für Verkehrssignale
US20020096859A1 (en) * 2001-01-22 2002-07-25 Versaw Douglas W. Motorcycle trailer hitch
US6819486B2 (en) 2001-01-17 2004-11-16 3M Innovative Properties Company Projection screen having elongated structures
WO2003087927A2 (en) * 2002-04-12 2003-10-23 Duke University Projection screen apparatus
US7102820B2 (en) 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US7088507B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Rear projection display
US7150537B2 (en) 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US7777949B2 (en) * 2002-08-16 2010-08-17 Seiko Epson Corporation Laminate screen for a display device
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
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US6917469B2 (en) * 2003-06-27 2005-07-12 Japan Acryace Co., Ltd. Light diffusing laminated plate
KR100553889B1 (ko) * 2003-07-15 2006-02-24 삼성전자주식회사 프로젝션 표시 장치용 스크린
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Also Published As

Publication number Publication date
DK474088A (da) 1989-03-01
JPS6472135A (en) 1989-03-17
US4773731A (en) 1988-09-27
EP0305009B1 (en) 1993-10-27
DK171004B1 (da) 1996-04-15
DE3885210D1 (de) 1993-12-02
JP2904214B2 (ja) 1999-06-14
EP0305009A3 (en) 1989-09-20
DK474088D0 (da) 1988-08-25
DE3885210T2 (de) 1994-05-05
EP0305009A2 (en) 1989-03-01

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