CN102879987B - 照明装置与显示器 - Google Patents

照明装置与显示器 Download PDF

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Publication number
CN102879987B
CN102879987B CN201210232335.7A CN201210232335A CN102879987B CN 102879987 B CN102879987 B CN 102879987B CN 201210232335 A CN201210232335 A CN 201210232335A CN 102879987 B CN102879987 B CN 102879987B
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China
Prior art keywords
light
laser
optical path
photodetector
amount
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Application number
CN201210232335.7A
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English (en)
Chinese (zh)
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CN102879987A (zh
Inventor
金田贤
金田一贤
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Sony Corp
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Sony Corp
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Publication of CN102879987A publication Critical patent/CN102879987A/zh
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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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • 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
    • G02B27/10—Beam splitting or combining systems
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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
    • H04N9/315—Modulator illumination systems
    • H04N9/3161—Modulator illumination systems using laser light sources
    • 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
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • 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
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • 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
    • G02F1/133528—Polarisers
    • G02F1/13355—Polarising beam splitters [PBS]
    • 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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CN201210232335.7A 2011-07-12 2012-07-05 照明装置与显示器 Active CN102879987B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-153485 2011-07-12
JP2011153485A JP5849479B2 (ja) 2011-07-12 2011-07-12 照明装置および表示装置

Publications (2)

Publication Number Publication Date
CN102879987A CN102879987A (zh) 2013-01-16
CN102879987B true CN102879987B (zh) 2016-08-24

Family

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Country Status (3)

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US (5) US9285101B2 (enExample)
JP (1) JP5849479B2 (enExample)
CN (1) CN102879987B (enExample)

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US9769439B2 (en) * 2013-01-04 2017-09-19 Seiko Epson Corporation Projector and method for controlling the same the same that adjust light source output based on a corrected detected light brightness
CN104247574B (zh) * 2013-03-06 2016-01-06 优志旺电机株式会社 光源装置及投影机
TW201439627A (zh) * 2013-04-02 2014-10-16 Hon Hai Prec Ind Co Ltd 發光裝置以及背光模組
KR102225333B1 (ko) * 2014-02-21 2021-03-09 엘지이노텍 주식회사 조명장치
JP6668711B2 (ja) * 2015-12-01 2020-03-18 株式会社リコー 光源装置、画像表示装置及び物体装置
JP6694742B2 (ja) * 2016-03-25 2020-05-20 株式会社日立エルジーデータストレージ レーザ投射表示装置
CN106406003A (zh) * 2016-11-18 2017-02-15 深圳市华星光电技术有限公司 投影光机及激光投影装置
US11559194B2 (en) * 2017-08-28 2023-01-24 Hoya Corporation Endoscope light source device and endoscope system
US10868613B2 (en) * 2018-10-01 2020-12-15 Verizon Patent And Licensing Inc. Systems and methods for passive optical switching using MEMS mirror switches
JP2020076880A (ja) * 2018-11-08 2020-05-21 セイコーエプソン株式会社 画像表示装置
CN112114480A (zh) * 2019-06-20 2020-12-22 青岛海信激光显示股份有限公司 激光投影设备
CN110053560B (zh) * 2019-06-20 2019-09-03 宁波市金榜汽车电子有限公司 一种汽车车载智能后视系统的控制方法
CN117083557A (zh) * 2021-04-27 2023-11-17 日本精机株式会社 显示装置

Citations (5)

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US5818575A (en) * 1997-04-30 1998-10-06 Svg Lithography Systems, Inc. Lamp stablity diagnostic system
DE10258990A1 (de) * 2002-12-13 2004-07-01 Carl Zeiss Jena Gmbh Anordnung zur Beseitigung von Helligkeitsschwankungen bei digitalen Projektionssystemen
CN101187774A (zh) * 2006-11-20 2008-05-28 索尼株式会社 投射型显示装置
JP2008180931A (ja) * 2007-01-25 2008-08-07 Seiko Epson Corp プロジェクタ
JP2009141107A (ja) * 2007-12-06 2009-06-25 Seiko Epson Corp レーザ光源装置、プロジェクタおよび光学装置

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JP5262231B2 (ja) * 2008-03-27 2013-08-14 セイコーエプソン株式会社 光源装置及び画像表示装置
JP2009267214A (ja) * 2008-04-28 2009-11-12 Seiko Epson Corp 照明装置および表示装置ならびにレーザ光源の制御方法
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US5818575A (en) * 1997-04-30 1998-10-06 Svg Lithography Systems, Inc. Lamp stablity diagnostic system
DE10258990A1 (de) * 2002-12-13 2004-07-01 Carl Zeiss Jena Gmbh Anordnung zur Beseitigung von Helligkeitsschwankungen bei digitalen Projektionssystemen
CN101187774A (zh) * 2006-11-20 2008-05-28 索尼株式会社 投射型显示装置
JP2008180931A (ja) * 2007-01-25 2008-08-07 Seiko Epson Corp プロジェクタ
JP2009141107A (ja) * 2007-12-06 2009-06-25 Seiko Epson Corp レーザ光源装置、プロジェクタおよび光学装置

Also Published As

Publication number Publication date
US10877358B2 (en) 2020-12-29
US9891513B2 (en) 2018-02-13
JP2013020104A (ja) 2013-01-31
CN102879987A (zh) 2013-01-16
US20160205364A1 (en) 2016-07-14
JP5849479B2 (ja) 2016-01-27
US10310365B2 (en) 2019-06-04
US9285101B2 (en) 2016-03-15
US20180120685A1 (en) 2018-05-03
US20170123302A1 (en) 2017-05-04
US9584779B2 (en) 2017-02-28
US20190250494A1 (en) 2019-08-15
US20130016305A1 (en) 2013-01-17

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