JP2013044800A - 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
JP2013044800A
JP2013044800A JP2011180779A JP2011180779A JP2013044800A JP 2013044800 A JP2013044800 A JP 2013044800A JP 2011180779 A JP2011180779 A JP 2011180779A JP 2011180779 A JP2011180779 A JP 2011180779A JP 2013044800 A JP2013044800 A JP 2013044800A
Authority
JP
Japan
Prior art keywords
light
optical
unit
lighting device
laser
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.)
Abandoned
Application number
JP2011180779A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013044800A5 (enExample
Inventor
Kazuyuki Takahashi
一幸 高橋
Masahiro Saito
政宏 齊藤
Toshifumi Yasui
利文 安井
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 JP2011180779A priority Critical patent/JP2013044800A/ja
Priority to US13/564,096 priority patent/US20130050285A1/en
Priority to CN2012102809702A priority patent/CN102955343A/zh
Publication of JP2013044800A publication Critical patent/JP2013044800A/ja
Publication of JP2013044800A5 publication Critical patent/JP2013044800A5/ja
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G02B5/1871—Transmissive phase gratings
    • 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
    • G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
    • G02B27/1033—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective 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
    • G02B27/48—Laser speckle optics
    • 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
    • G03B21/208—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2011180779A 2011-08-22 2011-08-22 照明装置および表示装置 Abandoned JP2013044800A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011180779A JP2013044800A (ja) 2011-08-22 2011-08-22 照明装置および表示装置
US13/564,096 US20130050285A1 (en) 2011-08-22 2012-08-01 Illumination device and display device
CN2012102809702A CN102955343A (zh) 2011-08-22 2012-08-08 照明装置和显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011180779A JP2013044800A (ja) 2011-08-22 2011-08-22 照明装置および表示装置

Publications (2)

Publication Number Publication Date
JP2013044800A true JP2013044800A (ja) 2013-03-04
JP2013044800A5 JP2013044800A5 (enExample) 2014-09-25

Family

ID=47743043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011180779A Abandoned JP2013044800A (ja) 2011-08-22 2011-08-22 照明装置および表示装置

Country Status (3)

Country Link
US (1) US20130050285A1 (enExample)
JP (1) JP2013044800A (enExample)
CN (1) CN102955343A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014178599A (ja) * 2013-03-15 2014-09-25 Seiko Epson Corp 照明装置及びプロジェクター
JP2015081953A (ja) * 2013-10-21 2015-04-27 セイコーエプソン株式会社 プロジェクター
JP2015169710A (ja) * 2014-03-05 2015-09-28 セイコーエプソン株式会社 プロジェクター
JP2016051072A (ja) * 2014-08-29 2016-04-11 日亜化学工業株式会社 光源装置及び該光源装置を備えたプロジェクタ
US9594202B2 (en) 2014-04-02 2017-03-14 Samsung Display Co., Ltd. Backlight unit and display device including the same
WO2020084652A1 (ja) 2018-10-22 2020-04-30 三菱電機株式会社 レーザ装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104808425A (zh) * 2014-01-26 2015-07-29 中能激光显示技术（上海）有限公司 一种激光光源光束参数一致性的调整装置及其调整方法
US9810887B1 (en) * 2014-09-05 2017-11-07 Hoyos Integrity Corporation Overhang enclosure of a panoramic optical device to eliminate double reflection
KR101587788B1 (ko) * 2015-02-13 2016-01-22 주식회사 크레모텍 레이저다이오드 액정 프로젝터
KR101858973B1 (ko) * 2015-04-30 2018-05-17 에스케이텔레콤 주식회사 스펙클 저감장치
KR101855816B1 (ko) * 2016-05-13 2018-05-10 주식회사 고영테크놀러지 생체 조직 검사 장치 및 그 방법
JP7461294B2 (ja) * 2017-08-31 2024-04-03 メタレンズ，インコーポレイテッド 透過型メタサーフェスレンズ統合
US12140778B2 (en) 2018-07-02 2024-11-12 Metalenz, Inc. Metasurfaces for laser speckle reduction
JP7052644B2 (ja) * 2018-08-29 2022-04-12 株式会社Ｊｖｃケンウッド 投射型画像表示装置
CN112955790A (zh) * 2018-08-31 2021-06-11 陈从亮 具有led照明组件的显微镜
WO2020100695A1 (ja) * 2018-11-13 2020-05-22 ソニー株式会社 画像表示装置
US11978752B2 (en) 2019-07-26 2024-05-07 Metalenz, Inc. Aperture-metasurface and hybrid refractive-metasurface imaging systems
EP4275080A4 (en) 2021-01-06 2024-11-13 Metalenz, Inc. SELF-ALIGNED NANOPILLAR COATINGS AND METHODS OF PREPARATION
CN118591827A (zh) 2021-12-17 2024-09-03 梅特兰兹股份有限公司 通过照明和成像的抗欺骗面部识别
EP4500265A2 (en) 2022-03-31 2025-02-05 Metalenz, Inc. Polarization sorting metasurface microlens array device
US12699207B2 (en) 2022-10-05 2026-08-04 Metalenz, Inc. Shared-aperture camera system and calibration method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09284684A (ja) * 1996-04-17 1997-10-31 Hitachi Ltd 単板式カラー液晶ディスプレイ装置
JP4182580B2 (ja) * 1999-01-18 2008-11-19 ソニー株式会社 照明装置及び画像表示装置
US6594090B2 (en) * 2001-08-27 2003-07-15 Eastman Kodak Company Laser projection display system
US20100220299A1 (en) * 2006-05-26 2010-09-02 Tetsuro Mizushima Image display device
US7956941B2 (en) * 2007-08-01 2011-06-07 Texas Instruments Incorporated Method and apparatus for reducing speckle in coherent light
US8109638B2 (en) * 2008-01-22 2012-02-07 Alcatel Lucent Diffuser configuration for an image projector
JP4497212B2 (ja) * 2008-02-20 2010-07-07 ソニー株式会社 光源システム
CN101661214B (zh) * 2008-08-27 2011-06-08 鸿富锦精密工业（深圳）有限公司 投影机
US8955980B2 (en) * 2009-04-10 2015-02-17 Panasonic Corporation Image display apparatus which reduces speckle noise and which operates with low power consumption

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014178599A (ja) * 2013-03-15 2014-09-25 Seiko Epson Corp 照明装置及びプロジェクター
JP2015081953A (ja) * 2013-10-21 2015-04-27 セイコーエプソン株式会社 プロジェクター
JP2015169710A (ja) * 2014-03-05 2015-09-28 セイコーエプソン株式会社 プロジェクター
US9594202B2 (en) 2014-04-02 2017-03-14 Samsung Display Co., Ltd. Backlight unit and display device including the same
JP2016051072A (ja) * 2014-08-29 2016-04-11 日亜化学工業株式会社 光源装置及び該光源装置を備えたプロジェクタ
WO2020084652A1 (ja) 2018-10-22 2020-04-30 三菱電機株式会社 レーザ装置

Also Published As

Publication number Publication date
US20130050285A1 (en) 2013-02-28
CN102955343A (zh) 2013-03-06

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