JP6007861B2 - 光偏向器及び画像投射装置 - Google Patents

光偏向器及び画像投射装置 Download PDF

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Publication number
JP6007861B2
JP6007861B2 JP2013108177A JP2013108177A JP6007861B2 JP 6007861 B2 JP6007861 B2 JP 6007861B2 JP 2013108177 A JP2013108177 A JP 2013108177A JP 2013108177 A JP2013108177 A JP 2013108177A JP 6007861 B2 JP6007861 B2 JP 6007861B2
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JP
Japan
Prior art keywords
light
light emitting
emitting element
light source
lens
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
JP2013108177A
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English (en)
Japanese (ja)
Other versions
JP2014053285A (ja
JP2014053285A5 (enExample
Inventor
丈裕 西森
丈裕 西森
藤田　和弘
和弘 藤田
村井　俊晴
俊晴 村井
前田　育夫
育夫 前田
高橋　達也
達也 高橋
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2013108177A priority Critical patent/JP6007861B2/ja
Priority to EP13178791.3A priority patent/EP2696232B1/en
Priority to US13/959,981 priority patent/US9279566B2/en
Priority to CN201310478472.3A priority patent/CN103576319B/zh
Publication of JP2014053285A publication Critical patent/JP2014053285A/ja
Publication of JP2014053285A5 publication Critical patent/JP2014053285A5/ja
Application granted granted Critical
Publication of JP6007861B2 publication Critical patent/JP6007861B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/08—Optical design with elliptical curvature
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
    • 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
    • G03B21/2013—Plural 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
    • G03B21/2066—Reflectors in illumination 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]
    • H04N9/3138—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using arrays of modulated 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2013108177A 2012-08-06 2013-05-22 光偏向器及び画像投射装置 Expired - Fee Related JP6007861B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013108177A JP6007861B2 (ja) 2012-08-06 2013-05-22 光偏向器及び画像投射装置
EP13178791.3A EP2696232B1 (en) 2012-08-06 2013-07-31 Light deflector, light source device, image projecting device, and display device
US13/959,981 US9279566B2 (en) 2012-08-06 2013-08-06 Light deflector, light source device, image projecting device, and display device
CN201310478472.3A CN103576319B (zh) 2012-08-06 2013-08-06 光偏转器、光源设备、图像投影装置和显示装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012174429 2012-08-06
JP2012174429 2012-08-06
JP2013108177A JP6007861B2 (ja) 2012-08-06 2013-05-22 光偏向器及び画像投射装置

Publications (3)

Publication Number Publication Date
JP2014053285A JP2014053285A (ja) 2014-03-20
JP2014053285A5 JP2014053285A5 (enExample) 2016-07-21
JP6007861B2 true JP6007861B2 (ja) 2016-10-12

Family

ID=48918252

Family Applications (1)

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JP2013108177A Expired - Fee Related JP6007861B2 (ja) 2012-08-06 2013-05-22 光偏向器及び画像投射装置

Country Status (4)

Country Link
US (1) US9279566B2 (enExample)
EP (1) EP2696232B1 (enExample)
JP (1) JP6007861B2 (enExample)
CN (1) CN103576319B (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6233687B2 (ja) 2013-08-12 2017-11-22 株式会社リコー 光源装置及びこれを備えた画像投射装置
JP6452027B2 (ja) 2013-10-23 2019-01-16 株式会社リコー 光源装置及びこれを備えた画像投射装置
JP6476667B2 (ja) 2013-11-01 2019-03-06 株式会社リコー 光源装置及びこれを用いたプロジェクタ
SG11201606721QA (en) 2014-02-17 2016-10-28 Ricoh Co Ltd Light irradiation device and image display apparatus equipped with the same
CN106170735B (zh) 2014-03-18 2018-10-30 株式会社理光 光源装置和具有光源装置的图像投射设备
WO2015174312A1 (ja) * 2014-05-15 2015-11-19 株式会社小糸製作所 光源モジュールおよび車両用灯具
JP6547270B2 (ja) 2014-10-10 2019-07-24 株式会社リコー 光源装置及びこの光源装置を有する画像投影装置
JP6447081B2 (ja) 2014-12-15 2019-01-09 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
WO2016186048A1 (ja) * 2015-05-21 2016-11-24 三菱電機株式会社 レーザ光源装置およびレーザ光源装置の組み立て方法
JP6206560B2 (ja) 2015-09-28 2017-10-04 株式会社リコー システム
US11067446B2 (en) * 2017-06-22 2021-07-20 Ams Sensors Singapore Pte. Ltd. Compact spectrometer modules
JP7039909B2 (ja) * 2017-09-27 2022-03-23 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
JP2019212367A (ja) * 2018-05-31 2019-12-12 株式会社小糸製作所 灯具ユニット
JP7268421B2 (ja) 2019-03-18 2023-05-08 株式会社リコー 光源光学系、光源装置及び画像投射装置
JP2020153798A (ja) 2019-03-19 2020-09-24 株式会社リコー 光学装置、測距光学系ユニット、測距装置及び測距システム
CN111722465A (zh) 2019-03-20 2020-09-29 株式会社理光 光源装置、图像投影装置和光源光学系统
US11720010B2 (en) 2020-12-07 2023-08-08 Ricoh Company, Ltd. Light source device and projection device
JP7625913B2 (ja) 2021-03-17 2025-02-04 株式会社リコー 光源装置及び画像投射装置

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Also Published As

Publication number Publication date
US20140036241A1 (en) 2014-02-06
EP2696232A1 (en) 2014-02-12
EP2696232B1 (en) 2017-08-30
CN103576319B (zh) 2016-02-10
JP2014053285A (ja) 2014-03-20
US9279566B2 (en) 2016-03-08
CN103576319A (zh) 2014-02-12

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