JP6344463B2 - 照明装置 - Google Patents

照明装置 Download PDF

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Publication number
JP6344463B2
JP6344463B2 JP2016249894A JP2016249894A JP6344463B2 JP 6344463 B2 JP6344463 B2 JP 6344463B2 JP 2016249894 A JP2016249894 A JP 2016249894A JP 2016249894 A JP2016249894 A JP 2016249894A JP 6344463 B2 JP6344463 B2 JP 6344463B2
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JP
Japan
Prior art keywords
hologram
light
illuminated area
illuminated
diffracted light
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
JP2016249894A
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English (en)
Japanese (ja)
Other versions
JP2018025742A (ja
JP2018025742A5 (https=
Inventor
尾 俊 平 西
尾 俊 平 西
重 牧 夫 倉
重 牧 夫 倉
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to CN201780012675.XA priority Critical patent/CN108700266B/zh
Priority to US16/078,833 priority patent/US10690932B2/en
Priority to PCT/JP2017/006068 priority patent/WO2017145972A1/ja
Priority to EP17756410.1A priority patent/EP3421868B1/en
Publication of JP2018025742A publication Critical patent/JP2018025742A/ja
Publication of JP2018025742A5 publication Critical patent/JP2018025742A5/ja
Application granted granted Critical
Publication of JP6344463B2 publication Critical patent/JP6344463B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/425—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in illumination systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/003—Refractors for light sources using microoptical elements for redirecting or diffusing light using holograms
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • 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
    • G02B5/0252—Diffusing elements; Afocal elements characterised by the diffusing properties using holographic or diffractive means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H1/265—Angle multiplexing; Multichannel holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/32—Systems for obtaining speckle elimination
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0808—Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0208—Individual components other than the hologram
    • G03H2001/0212—Light sources or light beam properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0208—Individual components other than the hologram
    • G03H2001/0216—Optical components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/2213—Diffusing screen revealing the real holobject, e.g. container filed with gel to reveal the 3D holobject
    • G03H2001/2215—Plane screen
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/266—Wavelength multiplexing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/20—2D object
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/10—Spectral composition
    • G03H2222/12—Single or narrow bandwidth source, e.g. laser, light emitting diode [LED]
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/20—Coherence of the light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2016249894A 2016-02-24 2016-12-22 照明装置 Active JP6344463B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201780012675.XA CN108700266B (zh) 2016-02-24 2017-02-20 照明装置
US16/078,833 US10690932B2 (en) 2016-02-24 2017-02-20 Lighting device
PCT/JP2017/006068 WO2017145972A1 (ja) 2016-02-24 2017-02-20 照明装置
EP17756410.1A EP3421868B1 (en) 2016-02-24 2017-02-20 Lighting device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016033224 2016-02-24
JP2016033224 2016-02-24
JP2016147678 2016-07-27
JP2016147678 2016-07-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2018098957A Division JP6803009B2 (ja) 2016-02-24 2018-05-23 照明装置

Publications (3)

Publication Number Publication Date
JP2018025742A JP2018025742A (ja) 2018-02-15
JP2018025742A5 JP2018025742A5 (https=) 2018-04-05
JP6344463B2 true JP6344463B2 (ja) 2018-06-20

Family

ID=61195623

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2016249894A Active JP6344463B2 (ja) 2016-02-24 2016-12-22 照明装置
JP2018098957A Active JP6803009B2 (ja) 2016-02-24 2018-05-23 照明装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2018098957A Active JP6803009B2 (ja) 2016-02-24 2018-05-23 照明装置

Country Status (4)

Country Link
US (1) US10690932B2 (https=)
EP (1) EP3421868B1 (https=)
JP (2) JP6344463B2 (https=)
CN (1) CN108700266B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12085739B2 (en) 2018-10-15 2024-09-10 AGC Inc. Diffractive optical element and illumination optical system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016107307A1 (de) * 2016-04-20 2017-10-26 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
JP7706870B2 (ja) * 2019-08-08 2025-07-14 大日本印刷株式会社 照明装置および移動体
JP6901053B1 (ja) * 2021-02-25 2021-07-14 大日本印刷株式会社 照明システム、照明システムの設計方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5186533A (en) 1990-01-30 1993-02-16 Nissan Motor Co., Ltd. Lamp arrangement for motor vehicle
DE29920151U1 (de) * 1999-11-17 2001-03-29 Müller, Helmut Frank Ottomar, Prof. Dr.-Ing., 50933 Köln Leuchttafel mit Hologrammen
JP2003270585A (ja) * 2002-03-18 2003-09-25 Ricoh Co Ltd レーザ照明光学系及びそれを用いた露光装置、レーザ加工装置、投射装置
JP4465956B2 (ja) * 2002-12-05 2010-05-26 セイコーエプソン株式会社 ホログラム素子の製造方法、投射型表示装置
EP1710619B1 (en) 2004-01-29 2018-07-04 Panasonic Intellectual Property Management Co., Ltd. Light source device, and two-dimensional image display unit
EP3623874B1 (en) 2010-09-08 2021-11-10 Dai Nippon Printing Co., Ltd. Illumination device, projection apparatus and projection-type image display apparatus
BR112013006018A2 (pt) 2010-09-14 2016-06-07 Dynamic Digital Depth Reseach Pty Ltd método para melhorar mapas de profundidade
JP2012230360A (ja) * 2011-04-15 2012-11-22 Dainippon Printing Co Ltd 照明装置、投射装置および投射型映像表示装置
JP6344545B2 (ja) 2014-01-14 2018-06-20 大日本印刷株式会社 表示装置及び表示装置が搭載された車両

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12085739B2 (en) 2018-10-15 2024-09-10 AGC Inc. Diffractive optical element and illumination optical system

Also Published As

Publication number Publication date
JP2018025742A (ja) 2018-02-15
JP2018156950A (ja) 2018-10-04
JP6803009B2 (ja) 2020-12-23
CN108700266A (zh) 2018-10-23
EP3421868B1 (en) 2025-07-16
CN108700266B (zh) 2021-03-30
EP3421868A1 (en) 2019-01-02
EP3421868A4 (en) 2019-08-21
US10690932B2 (en) 2020-06-23
US20190072776A1 (en) 2019-03-07

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