JP2021005060A - 光源装置およびこれを備える画像投射装置 - Google Patents

光源装置およびこれを備える画像投射装置 Download PDF

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Publication number
JP2021005060A
JP2021005060A JP2019120359A JP2019120359A JP2021005060A JP 2021005060 A JP2021005060 A JP 2021005060A JP 2019120359 A JP2019120359 A JP 2019120359A JP 2019120359 A JP2019120359 A JP 2019120359A JP 2021005060 A JP2021005060 A JP 2021005060A
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JP
Japan
Prior art keywords
light source
light
condenser lens
source device
incident
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.)
Pending
Application number
JP2019120359A
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English (en)
Japanese (ja)
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JP2021005060A5 (https=
Inventor
勇樹 前田
Yuuki Maeda
勇樹 前田
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2019120359A priority Critical patent/JP2021005060A/ja
Priority to US16/900,743 priority patent/US20200409251A1/en
Publication of JP2021005060A publication Critical patent/JP2021005060A/ja
Publication of JP2021005060A5 publication Critical patent/JP2021005060A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
    • G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • 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
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
    • 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
    • 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]
    • H04N9/3102—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
    • 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
    • H04N9/3152—Modulator illumination systems for shaping 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3158—Modulator illumination systems for controlling the spectrum
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2019120359A 2019-06-27 2019-06-27 光源装置およびこれを備える画像投射装置 Pending JP2021005060A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019120359A JP2021005060A (ja) 2019-06-27 2019-06-27 光源装置およびこれを備える画像投射装置
US16/900,743 US20200409251A1 (en) 2019-06-27 2020-06-12 Light source device and image projection apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019120359A JP2021005060A (ja) 2019-06-27 2019-06-27 光源装置およびこれを備える画像投射装置

Publications (2)

Publication Number Publication Date
JP2021005060A true JP2021005060A (ja) 2021-01-14
JP2021005060A5 JP2021005060A5 (https=) 2022-06-22

Family

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JP2019120359A Pending JP2021005060A (ja) 2019-06-27 2019-06-27 光源装置およびこれを備える画像投射装置

Country Status (2)

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US (1) US20200409251A1 (https=)
JP (1) JP2021005060A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115509076B (zh) * 2022-10-09 2024-11-15 四川长虹电器股份有限公司 一种激光光源模组投影光路系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150267880A1 (en) * 2014-02-05 2015-09-24 Osram Gmbh Lighting Device Comprising A Wavelength Conversion Arrangement
JP2016151643A (ja) * 2015-02-17 2016-08-22 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
WO2016158297A1 (ja) * 2015-03-30 2016-10-06 Ｎｅｃディスプレイソリューションズ株式会社 プロジェクター及び画像光投射方法
JP2018146806A (ja) * 2017-03-06 2018-09-20 セイコーエプソン株式会社 照明装置及びプロジェクター
CN108646510A (zh) * 2018-06-25 2018-10-12 成都九天光学技术有限公司 一种紧凑型投影光源
CN108803215A (zh) * 2017-04-28 2018-11-13 中航国画（上海）激光显示科技有限公司 一种新型荧光轮激光投影机
CN108931880A (zh) * 2017-05-26 2018-12-04 深圳市光峰光电技术有限公司 光源系统及显示设备
JP2019066811A (ja) * 2017-10-03 2019-04-25 カシオ計算機株式会社 光源装置及び投影装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6863181B2 (ja) * 2017-08-30 2021-04-21 セイコーエプソン株式会社 光源装置及びプロジェクター
CN110361914A (zh) * 2018-04-11 2019-10-22 中强光电股份有限公司 照明系统、控制单元及投影装置
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150267880A1 (en) * 2014-02-05 2015-09-24 Osram Gmbh Lighting Device Comprising A Wavelength Conversion Arrangement
JP2016151643A (ja) * 2015-02-17 2016-08-22 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
WO2016158297A1 (ja) * 2015-03-30 2016-10-06 Ｎｅｃディスプレイソリューションズ株式会社 プロジェクター及び画像光投射方法
JP2018146806A (ja) * 2017-03-06 2018-09-20 セイコーエプソン株式会社 照明装置及びプロジェクター
CN108803215A (zh) * 2017-04-28 2018-11-13 中航国画（上海）激光显示科技有限公司 一种新型荧光轮激光投影机
CN108931880A (zh) * 2017-05-26 2018-12-04 深圳市光峰光电技术有限公司 光源系统及显示设备
JP2019066811A (ja) * 2017-10-03 2019-04-25 カシオ計算機株式会社 光源装置及び投影装置
CN108646510A (zh) * 2018-06-25 2018-10-12 成都九天光学技术有限公司 一种紧凑型投影光源

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