JP5849479B2 - 照明装置および表示装置 - Google Patents

照明装置および表示装置 Download PDF

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Publication number
JP5849479B2
JP5849479B2 JP2011153485A JP2011153485A JP5849479B2 JP 5849479 B2 JP5849479 B2 JP 5849479B2 JP 2011153485 A JP2011153485 A JP 2011153485A JP 2011153485 A JP2011153485 A JP 2011153485A JP 5849479 B2 JP5849479 B2 JP 5849479B2
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JP
Japan
Prior art keywords
light
optical path
amount
laser
illumination
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Active
Application number
JP2011153485A
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English (en)
Japanese (ja)
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JP2013020104A (ja
JP2013020104A5 (enExample
Inventor
一賢 金田
一賢 金田
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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2011153485A priority Critical patent/JP5849479B2/ja
Priority to US13/540,740 priority patent/US9285101B2/en
Priority to CN201210232335.7A priority patent/CN102879987B/zh
Publication of JP2013020104A publication Critical patent/JP2013020104A/ja
Publication of JP2013020104A5 publication Critical patent/JP2013020104A5/ja
Application granted granted Critical
Publication of JP5849479B2 publication Critical patent/JP5849479B2/ja
Priority to US15/050,322 priority patent/US9584779B2/en
Priority to US15/407,853 priority patent/US9891513B2/en
Priority to US15/856,897 priority patent/US10310365B2/en
Priority to US16/392,935 priority patent/US10877358B2/en
Active 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
    • G03B21/005—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)
JP2011153485A 2011-07-12 2011-07-12 照明装置および表示装置 Active JP5849479B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2011153485A JP5849479B2 (ja) 2011-07-12 2011-07-12 照明装置および表示装置
US13/540,740 US9285101B2 (en) 2011-07-12 2012-07-03 Illumination unit and display
CN201210232335.7A CN102879987B (zh) 2011-07-12 2012-07-05 照明装置与显示器
US15/050,322 US9584779B2 (en) 2011-07-12 2016-02-22 Illumination unit and display
US15/407,853 US9891513B2 (en) 2011-07-12 2017-01-17 Illumination unit and display
US15/856,897 US10310365B2 (en) 2011-07-12 2017-12-28 Illumination unit and display
US16/392,935 US10877358B2 (en) 2011-07-12 2019-04-24 Illumination unit and display

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2013020104A JP2013020104A (ja) 2013-01-31
JP2013020104A5 JP2013020104A5 (enExample) 2014-08-07
JP5849479B2 true JP5849479B2 (ja) 2016-01-27

Family

ID=47481369

Family Applications (1)

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

Country Status (3)

Country Link
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

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Also Published As

Publication number Publication date
US10877358B2 (en) 2020-12-29
US9891513B2 (en) 2018-02-13
JP2013020104A (ja) 2013-01-31
CN102879987B (zh) 2016-08-24
CN102879987A (zh) 2013-01-16
US20160205364A1 (en) 2016-07-14
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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