JP7200644B2 - 照明装置及びプロジェクター - Google Patents

照明装置及びプロジェクター Download PDF

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Publication number
JP7200644B2
JP7200644B2 JP2018231368A JP2018231368A JP7200644B2 JP 7200644 B2 JP7200644 B2 JP 7200644B2 JP 2018231368 A JP2018231368 A JP 2018231368A JP 2018231368 A JP2018231368 A JP 2018231368A JP 7200644 B2 JP7200644 B2 JP 7200644B2
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JP
Japan
Prior art keywords
light
laser
retardation plate
light source
blue
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.)
Active
Application number
JP2018231368A
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English (en)
Japanese (ja)
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JP2020095105A (ja
JP2020095105A5 (https=
Inventor
光一 秋山
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2018231368A priority Critical patent/JP7200644B2/ja
Priority to US16/708,495 priority patent/US11190739B2/en
Publication of JP2020095105A publication Critical patent/JP2020095105A/ja
Publication of JP2020095105A5 publication Critical patent/JP2020095105A5/ja
Application granted granted Critical
Publication of JP7200644B2 publication Critical patent/JP7200644B2/ja
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Classifications

    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • G02B27/1053—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators having a single light modulator for all colour channels
    • 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
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
    • 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
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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
    • G02B27/48—Laser speckle optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2018231368A 2018-12-11 2018-12-11 照明装置及びプロジェクター Active JP7200644B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018231368A JP7200644B2 (ja) 2018-12-11 2018-12-11 照明装置及びプロジェクター
US16/708,495 US11190739B2 (en) 2018-12-11 2019-12-10 Illuminator and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018231368A JP7200644B2 (ja) 2018-12-11 2018-12-11 照明装置及びプロジェクター

Publications (3)

Publication Number Publication Date
JP2020095105A JP2020095105A (ja) 2020-06-18
JP2020095105A5 JP2020095105A5 (https=) 2021-10-28
JP7200644B2 true JP7200644B2 (ja) 2023-01-10

Family

ID=70972633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018231368A Active JP7200644B2 (ja) 2018-12-11 2018-12-11 照明装置及びプロジェクター

Country Status (2)

Country Link
US (1) US11190739B2 (https=)
JP (1) JP7200644B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7129607B2 (ja) * 2019-08-05 2022-09-02 パナソニックＩｐマネジメント株式会社 光源装置および投写型表示装置
CN116560171A (zh) * 2022-01-28 2023-08-08 苏州佳世达光电有限公司 光源模组
JP7563427B2 (ja) 2022-09-07 2024-10-08 セイコーエプソン株式会社 照明装置およびプロジェクター
WO2025228908A1 (en) * 2024-05-03 2025-11-06 Signify Holding B.V. Optimized retardation plates for producing eye-safe white laser light
WO2026012867A1 (en) 2024-07-11 2026-01-15 Signify Holding B.V. Compact and efficient laser-based light source

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008506155A (ja) 2004-07-06 2008-02-28 カラーリンク・インコーポレイテッド 照明システム
WO2015056381A1 (ja) 2013-10-17 2015-04-23 ソニー株式会社 光源装置、及び画像表示装置
US20150219500A1 (en) 2012-09-11 2015-08-06 Barco N.V. Projection system with safety detection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3975514B2 (ja) 1997-08-15 2007-09-12 ソニー株式会社 レーザディスプレイ装置
EP2424249A3 (en) * 2010-08-31 2013-01-23 Panasonic Corporation Image display device and information processing device including the same
JP2012088451A (ja) * 2010-10-18 2012-05-10 Sony Corp 照明装置および表示装置
JP6082560B2 (ja) * 2012-10-09 2017-02-15 株式会社日立メディアエレクトロニクス 光源装置およびそれを用いた投射型表示装置
WO2014196079A1 (ja) * 2013-06-07 2014-12-11 Ｎｅｃディスプレイソリューションズ株式会社 光源装置およびそれを備えた投写型表示装置
JP6303454B2 (ja) * 2013-12-02 2018-04-04 セイコーエプソン株式会社 照明装置およびプロジェクター
JP6536202B2 (ja) 2015-06-18 2019-07-03 セイコーエプソン株式会社 光源装置、照明装置およびプロジェクター
US10838289B2 (en) * 2016-07-12 2020-11-17 Panasonic Intellectual Property Management Co., Ltd. Light source device and projection display apparatus including plural light sources, and a lens condensing light from the plural light sources into one spot
US10542240B2 (en) * 2016-09-16 2020-01-21 Nec Display Solutions, Ltd. Projector and method for controlling rotation of phosphor wheel and color wheel in projector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008506155A (ja) 2004-07-06 2008-02-28 カラーリンク・インコーポレイテッド 照明システム
US20150219500A1 (en) 2012-09-11 2015-08-06 Barco N.V. Projection system with safety detection
WO2015056381A1 (ja) 2013-10-17 2015-04-23 ソニー株式会社 光源装置、及び画像表示装置

Also Published As

Publication number Publication date
JP2020095105A (ja) 2020-06-18
US20200186760A1 (en) 2020-06-11
US11190739B2 (en) 2021-11-30

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