CN102859435B - 用于数字投影的暗态遮光板 - Google Patents

用于数字投影的暗态遮光板 Download PDF

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Publication number
CN102859435B
CN102859435B CN201180020763.7A CN201180020763A CN102859435B CN 102859435 B CN102859435 B CN 102859435B CN 201180020763 A CN201180020763 A CN 201180020763A CN 102859435 B CN102859435 B CN 102859435B
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CN
China
Prior art keywords
light
modulation element
state
element according
fin
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
CN201180020763.7A
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English (en)
Chinese (zh)
Other versions
CN102859435A (zh
Inventor
J·J·科尔曼
J·马扎雷
J·R·基尔舍
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.)
Image Elmar Co ltd
Imax Corp
Imax EMEA Ltd
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of CN102859435A publication Critical patent/CN102859435A/zh
Application granted granted Critical
Publication of CN102859435B publication Critical patent/CN102859435B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/003—Light absorbing elements
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
    • 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
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/3144—Cooling systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN201180020763.7A 2010-04-29 2011-04-27 用于数字投影的暗态遮光板 Expired - Fee Related CN102859435B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/770,081 US8342690B2 (en) 2010-04-29 2010-04-29 Off-state light baffle for digital projection
US12/770,081 2010-04-29
PCT/US2011/034025 WO2011137136A1 (en) 2010-04-29 2011-04-27 Off-state light baffle for digital projection

Publications (2)

Publication Number Publication Date
CN102859435A CN102859435A (zh) 2013-01-02
CN102859435B true CN102859435B (zh) 2015-02-25

Family

ID=44121056

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180020763.7A Expired - Fee Related CN102859435B (zh) 2010-04-29 2011-04-27 用于数字投影的暗态遮光板

Country Status (5)

Country Link
US (1) US8342690B2 (enExample)
EP (1) EP2564269B1 (enExample)
JP (1) JP5800892B2 (enExample)
CN (1) CN102859435B (enExample)
WO (1) WO2011137136A1 (enExample)

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KR101139776B1 (ko) * 2011-12-09 2012-04-26 국방과학연구소 입자계수기용 또는 형광검출장비용 빔 덤퍼
CN104220920B (zh) 2012-04-03 2017-12-22 图像影院国际有限公司 颜色相关的孔径光阑
WO2014142967A1 (en) 2013-03-15 2014-09-18 Imax Corporation Projector optimized for modulator diffraction effects
CN103439789B (zh) * 2013-07-19 2016-02-17 深圳雅图数字视频技术有限公司 投影机光机及投影机
US9451223B2 (en) * 2013-09-17 2016-09-20 PhotonEdge Inc. Simultaneous multiplexed imaging system and method
WO2016022471A1 (en) * 2014-08-05 2016-02-11 Dolby Laboratories Licensing Corporation Method to improve the contrast ratio in a theatre
CN105842970B (zh) * 2016-05-18 2018-01-30 苏州佳世达光电有限公司 投影机
JP6673072B2 (ja) * 2016-07-19 2020-03-25 株式会社デンソー 車両用カメラ装置
US11131847B2 (en) * 2019-06-05 2021-09-28 Continental Automotive Systems, Inc. Horn-shaped absorption element in a heads-up display
JP7557677B2 (ja) 2019-08-02 2024-09-30 パナソニックＩｐマネジメント株式会社 遮光部材及び投写型映像表示装置
CN112711163A (zh) * 2019-10-25 2021-04-27 台达电子工业股份有限公司 投影装置
TWI823068B (zh) * 2021-03-12 2023-11-21 中強光電股份有限公司 光機模組與投影裝置
CN114415456B (zh) * 2021-12-22 2024-05-14 歌尔光学科技有限公司 一种投影光机以及设计方法
WO2025101249A1 (en) * 2023-11-08 2025-05-15 Raytheon Company Compact optical beam combiner package

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6814445B2 (en) * 2001-06-30 2004-11-09 Texas Instruments Incorporated DMD heat sink socket assembly
CN1920658A (zh) * 2005-08-26 2007-02-28 精工爱普生株式会社 投影机
CN1952773A (zh) * 2005-10-19 2007-04-25 精工爱普生株式会社 投影机
CN101496186A (zh) * 2006-07-31 2009-07-29 3M创新有限公司 具有中空集合透镜的led光源
US8182096B2 (en) * 2008-05-02 2012-05-22 Seiko Epson Corporation Cooling system for display device

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US4441791A (en) 1980-09-02 1984-04-10 Texas Instruments Incorporated Deformable mirror light modulator
US4823869A (en) * 1986-06-19 1989-04-25 International Business Machines Corporation Heat sink
US4785875A (en) * 1987-11-12 1988-11-22 Stirling Thermal Motors, Inc. Heat pipe working liquid distribution system
US5083857A (en) 1990-06-29 1992-01-28 Texas Instruments Incorporated Multi-level deformable mirror device
US5535047A (en) 1995-04-18 1996-07-09 Texas Instruments Incorporated Active yoke hidden hinge digital micromirror device
US6109767A (en) 1996-03-29 2000-08-29 Minnesota Mining And Manufacturing Company Honeycomb light and heat trap for projector
JP3311319B2 (ja) * 1998-10-02 2002-08-05 キヤノン株式会社 光学ユニット、光学ユニットを用いた光学機器
EP1193982A1 (en) 2000-09-20 2002-04-03 Barco N.V. Projector with system for cooling the light modulators
DE10153512A1 (de) * 2001-10-30 2003-05-15 Siemens Ag Kühlkörper
US7207678B2 (en) 2001-12-31 2007-04-24 Texas Instruments Incorporated Prism for high contrast projection
JP2004163876A (ja) * 2002-09-27 2004-06-10 Nec Viewtechnology Ltd 画像読取方法及び画像調整方法並びにｄｌｐプロジェクタ
US7128429B2 (en) 2002-10-15 2006-10-31 Mark Andy, Inc. Light trap and heat transfer apparatus and method
JP2005274749A (ja) * 2004-03-23 2005-10-06 Matsushita Electric Ind Co Ltd 光学素子の冷却装置およびビデオプロジェクタ
TWI281091B (en) * 2004-04-23 2007-05-11 Optoma Corp Heat dissipation structure for optical engine
ATE397759T1 (de) * 2004-09-01 2008-06-15 Barco Nv Prismenanordnung
TWI245158B (en) * 2004-10-08 2005-12-11 Premier Image Technology Corp An image projector having a led light source
US7450297B2 (en) * 2005-08-15 2008-11-11 Texas Instruments Incorporated Unique method for manufacturing a digital micromirror device and a method for manufacturing a projection display system using the same
JP4228319B2 (ja) * 2006-07-24 2009-02-25 カシオ計算機株式会社 光学系ユニット及びプロジェクタ
JP2008292953A (ja) * 2007-05-28 2008-12-04 Sharp Corp Ｄｌｐ方式のプロジェクターの冷却構造
US7959305B2 (en) * 2007-07-02 2011-06-14 Texas Instruments Incorporated Light recycling in a micromirror-based projection display system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6814445B2 (en) * 2001-06-30 2004-11-09 Texas Instruments Incorporated DMD heat sink socket assembly
CN1920658A (zh) * 2005-08-26 2007-02-28 精工爱普生株式会社 投影机
CN1952773A (zh) * 2005-10-19 2007-04-25 精工爱普生株式会社 投影机
CN101496186A (zh) * 2006-07-31 2009-07-29 3M创新有限公司 具有中空集合透镜的led光源
US8182096B2 (en) * 2008-05-02 2012-05-22 Seiko Epson Corporation Cooling system for display device

Also Published As

Publication number Publication date
EP2564269B1 (en) 2015-10-14
WO2011137136A1 (en) 2011-11-03
CN102859435A (zh) 2013-01-02
US8342690B2 (en) 2013-01-01
EP2564269A1 (en) 2013-03-06
US20110267550A1 (en) 2011-11-03
JP5800892B2 (ja) 2015-10-28
JP2013525861A (ja) 2013-06-20

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Dublin Republic of Ireland

Patentee after: IMAX EMEA LTD.

Address before: Dublin Republic of Ireland

Patentee before: Image Elmar Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20161214

Address after: Dublin Republic of Ireland

Patentee after: Image Elmar Co.,Ltd.

Address before: Ontario, Canada

Patentee before: Imax Corp.

Effective date of registration: 20161214

Address after: Ontario, Canada

Patentee after: Imax Corp.

Address before: American New York

Patentee before: Eastman Kodak Co.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150225

Termination date: 20170427