JP3929003B2 - 投射ディスプレイ - Google Patents

投射ディスプレイ Download PDF

Info

Publication number
JP3929003B2
JP3929003B2 JP24878898A JP24878898A JP3929003B2 JP 3929003 B2 JP3929003 B2 JP 3929003B2 JP 24878898 A JP24878898 A JP 24878898A JP 24878898 A JP24878898 A JP 24878898A JP 3929003 B2 JP3929003 B2 JP 3929003B2
Authority
JP
Japan
Prior art keywords
projection display
light
reflector
light modulator
display according
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
JP24878898A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11143388A5 (enExample
JPH11143388A (ja
Inventor
ジェームズ アンダーソン ダンカン
ジョージ ワトリング ブラウン ロバート
メイヒュー ニコラス
ゲラント ロビンソン マイケル
スラック ジェイソン
治久 瀧口
トンブリング クレイグ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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
Priority claimed from GB9718741A external-priority patent/GB2329036A/en
Priority claimed from GBGB9800018.5A external-priority patent/GB9800018D0/en
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of JPH11143388A publication Critical patent/JPH11143388A/ja
Publication of JPH11143388A5 publication Critical patent/JPH11143388A5/ja
Application granted granted Critical
Publication of JP3929003B2 publication Critical patent/JP3929003B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • 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
    • H04N5/7441—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 liquid crystal cells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
JP24878898A 1997-09-05 1998-09-02 投射ディスプレイ Expired - Fee Related JP3929003B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9718741A GB2329036A (en) 1997-09-05 1997-09-05 Optical system for redistributing optical extent and illumination source
GB9718741.3 1998-01-03
GB9800018.5 1998-01-03
GBGB9800018.5A GB9800018D0 (en) 1998-01-03 1998-01-03 Illumination system

Publications (3)

Publication Number Publication Date
JPH11143388A JPH11143388A (ja) 1999-05-28
JPH11143388A5 JPH11143388A5 (enExample) 2005-03-10
JP3929003B2 true JP3929003B2 (ja) 2007-06-13

Family

ID=26312176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24878898A Expired - Fee Related JP3929003B2 (ja) 1997-09-05 1998-09-02 投射ディスプレイ

Country Status (4)

Country Link
US (1) US6155688A (enExample)
EP (1) EP0901031B1 (enExample)
JP (1) JP3929003B2 (enExample)
DE (1) DE69826950T2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7940464B2 (en) 2004-12-01 2011-05-10 Thomson Licensing Optical system and corresponding optical element
FR2878626A1 (fr) * 2004-12-01 2006-06-02 Thomson Licensing Sa Systeme optique et element optique correspondant
FR2887038A1 (fr) * 2005-06-13 2006-12-15 Thomson Licensing Sa Systeme optique et element optique correspondant
US20060221459A1 (en) * 2005-04-01 2006-10-05 Sagan Stephen F Optical system for projecting a line of illumination from an array of lasers
KR101091236B1 (ko) * 2010-04-02 2011-12-07 엘지이노텍 주식회사 프로젝터 광학계
DE102012108347A1 (de) * 2012-09-07 2014-03-13 Limo Patentverwaltung Gmbh & Co. Kg Verfahren und Vorrichtung zur Fokussierung von Laserlicht
TWI477883B (zh) * 2013-01-22 2015-03-21 Hon Hai Prec Ind Co Ltd 背投電視的光機裝置
CN110531453B (zh) * 2019-09-29 2020-09-29 中南大学 一种修正单焦点分形波带片的构造方法及其波带片

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296923A (en) * 1965-01-04 1967-01-10 Gen Electric Lenticulated collimating condensing system
GB1353739A (en) * 1970-08-12 1974-05-22 Rank Organisation Ltd Light exposure means for shadow or contact printing
US3732417A (en) * 1971-06-16 1973-05-08 Grimes Manuf Co Square lite projector using prismatic lens
JPS58147708A (ja) * 1982-02-26 1983-09-02 Nippon Kogaku Kk <Nikon> 照明用光学装置
JPS597359A (ja) * 1982-07-02 1984-01-14 Canon Inc 照明装置
EP0201306A3 (en) * 1985-05-08 1989-06-28 Lambda Photometrics Limited Apparatus for providing uniform exposure at an exposing station
US5085506A (en) * 1986-05-09 1992-02-04 Greyhawk Systems, Inc. Apparatus and method of forming and projecting high precision optical images
JPH01287924A (ja) * 1988-03-30 1989-11-20 Hitachi Ltd コヒーレント制御露光装置
NL8801348A (nl) * 1988-05-26 1989-12-18 Philips Nv Belichtingsstelsel.
NL8901077A (nl) * 1989-04-28 1990-11-16 Koninkl Philips Electronics Nv Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel.
US5153773A (en) * 1989-06-08 1992-10-06 Canon Kabushiki Kaisha Illumination device including amplitude-division and beam movements
FR2680882B1 (fr) * 1991-08-06 1993-10-29 Thomson Csf Projecteur d'images a efficacite lumineuse orptimisee.
US5303084A (en) * 1991-08-27 1994-04-12 Kaman Aerospace Corporation Laser light beam homogenizer and imaging lidar system incorporating same
GB9226483D0 (en) * 1992-12-18 1993-02-10 Kodak Ltd A hollow rotary drum processor
JPH06235883A (ja) * 1993-02-10 1994-08-23 Sony Corp 映像プロジェクタ装置
WO1995000865A1 (en) * 1993-06-17 1995-01-05 Xmr, Inc. Improved optical beam integration system
JPH07159722A (ja) * 1993-12-09 1995-06-23 Nikon Corp 投射装置
EP0660158B1 (en) * 1993-12-22 2000-10-04 Canon Kabushiki Kaisha Illumination optical system
WO1995018984A1 (en) * 1994-01-07 1995-07-13 Coherent, Inc. Apparatus for creating a square or rectangular laser beam with a uniform intensity profile
JP3633002B2 (ja) * 1994-05-09 2005-03-30 株式会社ニコン 照明光学装置、露光装置及び露光方法
JPH07306395A (ja) * 1994-05-10 1995-11-21 Nikon Corp 投射装置
KR0150999B1 (ko) * 1994-10-28 1998-12-15 김광호 평행광 조명장치
FR2733604B1 (fr) * 1995-04-28 1997-06-27 Thomson Multimedia Sa Dispositif d'eclairement
US5629801A (en) * 1995-06-07 1997-05-13 Silicon Light Machines Diffraction grating light doubling collection system
US5755503A (en) * 1995-11-13 1998-05-26 Industrial Technology Research Institute Optical illumination system having improved efficiency and uniformity and projection instrument comprising such a system
US5662401A (en) * 1995-12-13 1997-09-02 Philips Electronics North America Corporation Integrating lens array and image forming method for improved optical efficiency
JPH09185008A (ja) * 1995-12-28 1997-07-15 Ushio Inc 光学装置および多面反射鏡
GB2313920A (en) * 1996-06-07 1997-12-10 Sharp Kk Diffractive spatial light modulator and display

Also Published As

Publication number Publication date
EP0901031A3 (en) 2000-02-23
EP0901031A2 (en) 1999-03-10
EP0901031B1 (en) 2004-10-13
DE69826950T2 (de) 2006-02-23
DE69826950D1 (de) 2004-11-18
US6155688A (en) 2000-12-05
JPH11143388A (ja) 1999-05-28

Similar Documents

Publication Publication Date Title
US6069728A (en) Display device and flat television screen using this device
US6402325B1 (en) Illuminating optical system having multiple light sources and lenticular arrays for use with a projection-type display unit
JP4274766B2 (ja) 照明装置及びその照明装置を使用した画像投影装置
US5930050A (en) Anamorphic lens for providing wide-screen images generated by a spatial light modulator
US8130439B2 (en) Optics arrangements including light source arrangements for an active matrix liquid crystal generator
CN103518161B (zh) 投射装置和投射控制装置
US6601958B2 (en) Projector
US11543575B2 (en) Holographic display apparatus illuminating a hologram and a holographic image
US20100079861A1 (en) Exit Pupil Forming Scanned Beam Projection Display Having Higher Uniformity
US20030234751A1 (en) Image display apparatus having optical scanner
JP2004529375A5 (enExample)
US6322219B1 (en) Optical device as well as projector unit and rear projector system using the same
US8414134B2 (en) Illumination apparatus and projector
CN107577112A (zh) 照明装置、投射型影像显示装置及光学装置
KR20010042282A (ko) 회절, 산란을 이루는 광학소자를 사용한 투광, 표시장치
JP2004519010A (ja) テーパ光パイプを用いた投影ディスプレイ用の照明エンジン
EP1692865A1 (en) Wide field display using a light modulator
JP3929003B2 (ja) 投射ディスプレイ
US6809867B2 (en) Illuminating optical system and projection display device including it
US7125144B2 (en) Illumination device and illumination method
JP2003330106A (ja) 照明装置および投射型表示装置
US6886944B2 (en) Projector brightness enhancement using rectilinear apertures
JPH11143388A5 (enExample)
JP7456439B2 (ja) 画像表示装置
US20040169822A1 (en) Lighting system and compact projection system

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040402

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040402

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061128

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061215

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070129

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070305

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070305

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees