JP7325692B2 - 拡散体及び照明装置 - Google Patents

拡散体及び照明装置 Download PDF

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Publication number
JP7325692B2
JP7325692B2 JP2023523895A JP2023523895A JP7325692B2 JP 7325692 B2 JP7325692 B2 JP 7325692B2 JP 2023523895 A JP2023523895 A JP 2023523895A JP 2023523895 A JP2023523895 A JP 2023523895A JP 7325692 B2 JP7325692 B2 JP 7325692B2
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JP
Japan
Prior art keywords
light
diffuser
emitted
frame
exit surface
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
JP2023523895A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022249433A1 (https=
Inventor
覚 岡垣
将利 西村
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.)
Mitsubishi Electric Corp
Mitsubishi Electric Lighting Corp
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Electric Lighting 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 Mitsubishi Electric Corp, Mitsubishi Electric Lighting Corp filed Critical Mitsubishi Electric Corp
Publication of JPWO2022249433A1 publication Critical patent/JPWO2022249433A1/ja
Priority to JP2023123969A priority Critical patent/JP7515670B2/ja
Application granted granted Critical
Publication of JP7325692B2 publication Critical patent/JP7325692B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/02—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for simulating daylight
    • 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
    • G02B5/0247—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
    • 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
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
JP2023523895A 2021-05-28 2021-05-28 拡散体及び照明装置 Active JP7325692B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023123969A JP7515670B2 (ja) 2021-05-28 2023-07-31 照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/020331 WO2022249433A1 (ja) 2021-05-28 2021-05-28 拡散体及び照明装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023123969A Division JP7515670B2 (ja) 2021-05-28 2023-07-31 照明装置

Publications (2)

Publication Number Publication Date
JPWO2022249433A1 JPWO2022249433A1 (https=) 2022-12-01
JP7325692B2 true JP7325692B2 (ja) 2023-08-14

Family

ID=84228684

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023523895A Active JP7325692B2 (ja) 2021-05-28 2021-05-28 拡散体及び照明装置
JP2023123969A Active JP7515670B2 (ja) 2021-05-28 2023-07-31 照明装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023123969A Active JP7515670B2 (ja) 2021-05-28 2023-07-31 照明装置

Country Status (5)

Country Link
US (1) US12099228B2 (https=)
EP (1) EP4328481A4 (https=)
JP (2) JP7325692B2 (https=)
CN (1) CN117377849A (https=)
WO (1) WO2022249433A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019220656A1 (ja) 2018-05-18 2019-11-21 三菱電機株式会社 照明ユニットおよび照明器具
WO2020175523A1 (ja) 2019-02-27 2020-09-03 三菱電機株式会社 照明装置、照明機能付き窓および窓用建材
WO2020240933A1 (ja) 2019-05-27 2020-12-03 三菱電機株式会社 拡散体及び照明装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02271304A (ja) 1989-04-12 1990-11-06 Seiko Epson Corp 表示体用照明装置
WO2008098360A1 (en) * 2007-02-16 2008-08-21 Koninklijke Philips Electronics N.V. Optical system for luminaire
ITMI20081135A1 (it) 2008-06-24 2009-12-25 Trapani Paolo Di Dispositivo di illuminazione
JP5463966B2 (ja) * 2010-03-08 2014-04-09 大日本印刷株式会社 導光板、面光源装置および液晶表示装置
JP2013020796A (ja) * 2011-07-11 2013-01-31 Fujifilm Corp 導光板及び面状照明装置
ITTO20120988A1 (it) * 2012-11-14 2014-05-15 Light In Light S R L Sistema di illuminazione artificiale per simulare un'illuminazione naturale
RU2641321C2 (ru) * 2013-10-14 2018-01-17 Филипс Лайтинг Холдинг Б.В. Осветительная система
BR112016020450A2 (pt) * 2014-03-10 2017-10-24 Coelux Srl sistema de iluminação
JP6778914B2 (ja) * 2016-10-03 2020-11-04 パナソニックＩｐマネジメント株式会社 照明装置
US11879634B2 (en) 2019-05-27 2024-01-23 Mitsubishi Electric Corporation Illumination device
CN114270094B (zh) 2019-08-27 2024-12-17 三菱电机株式会社 照明装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019220656A1 (ja) 2018-05-18 2019-11-21 三菱電機株式会社 照明ユニットおよび照明器具
WO2020175523A1 (ja) 2019-02-27 2020-09-03 三菱電機株式会社 照明装置、照明機能付き窓および窓用建材
WO2020240933A1 (ja) 2019-05-27 2020-12-03 三菱電機株式会社 拡散体及び照明装置

Also Published As

Publication number Publication date
JP2023129712A (ja) 2023-09-14
EP4328481A4 (en) 2024-05-29
JP7515670B2 (ja) 2024-07-12
CN117377849A (zh) 2024-01-09
EP4328481A1 (en) 2024-02-28
US12099228B2 (en) 2024-09-24
JPWO2022249433A1 (https=) 2022-12-01
US20240264356A1 (en) 2024-08-08
WO2022249433A1 (ja) 2022-12-01

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