CN114270094B - 照明装置 - Google Patents

照明装置 Download PDF

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Publication number
CN114270094B
CN114270094B CN201980099486.XA CN201980099486A CN114270094B CN 114270094 B CN114270094 B CN 114270094B CN 201980099486 A CN201980099486 A CN 201980099486A CN 114270094 B CN114270094 B CN 114270094B
Authority
CN
China
Prior art keywords
light
light emitting
lighting device
frame
emitting portion
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
CN201980099486.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN114270094A (zh
Inventor
山崎遥
冈垣觉
藤井佑辅
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
Original Assignee
Mitsubishi Electric 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 filed Critical Mitsubishi Electric Corp
Publication of CN114270094A publication Critical patent/CN114270094A/zh
Application granted granted Critical
Publication of CN114270094B publication Critical patent/CN114270094B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • 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
    • G02B6/009—Positioning aspects of the light source in the package
    • 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
    • G02B6/0091—Positioning aspects of the light source relative to the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
CN201980099486.XA 2019-08-27 2019-08-27 照明装置 Active CN114270094B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/033453 WO2021038709A1 (ja) 2019-08-27 2019-08-27 照明装置

Publications (2)

Publication Number Publication Date
CN114270094A CN114270094A (zh) 2022-04-01
CN114270094B true CN114270094B (zh) 2024-12-17

Family

ID=74684659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980099486.XA Active CN114270094B (zh) 2019-08-27 2019-08-27 照明装置

Country Status (5)

Country Link
US (1) US11828973B2 (https=)
EP (1) EP4023932A4 (https=)
JP (1) JP7297071B2 (https=)
CN (1) CN114270094B (https=)
WO (1) WO2021038709A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112984468B (zh) * 2021-04-21 2025-02-21 吉林省远大光学检测技术有限公司 一种侧反式光学结构的模拟天窗环境的装置
WO2022249433A1 (ja) 2021-05-28 2022-12-01 三菱電機株式会社 拡散体及び照明装置
CN115751216A (zh) * 2022-11-22 2023-03-07 喜洋阳(南京)科技发展有限公司 一种侧发光平板灯和一种照明装置

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CN106324889A (zh) * 2015-07-07 2017-01-11 南京瀚宇彩欣科技有限责任公司 背光模块与显示装置

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JPH10161119A (ja) 1996-11-29 1998-06-19 Optrex Corp バックライト構造
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WO2004076917A1 (ja) * 2003-01-29 2004-09-10 Mitsubishi Rayon Co., Ltd. 面光源装置
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US20060274551A1 (en) * 2005-05-26 2006-12-07 Enplas Corporation Surface light source device and display
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WO2008081383A1 (en) * 2007-01-03 2008-07-10 Koninklijke Philips Electronics N.V. Ambilight displaying arrangement
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JP2011099899A (ja) * 2009-11-04 2011-05-19 Maruzen Chemicals Co Ltd 光散乱部材およびその製造方法
US20130063964A1 (en) * 2010-05-12 2013-03-14 Oree, Inc. Illumination Apparatus with High Conversion Efficiency and Methods of Forming the Same
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JP2017026676A (ja) * 2015-07-16 2017-02-02 帝人フィルムソリューション株式会社 大型ディスプレイ用白色反射フィルム
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CN106324889A (zh) * 2015-07-07 2017-01-11 南京瀚宇彩欣科技有限责任公司 背光模块与显示装置

Also Published As

Publication number Publication date
EP4023932A1 (en) 2022-07-06
US11828973B2 (en) 2023-11-28
EP4023932A4 (en) 2022-07-06
US20220268988A1 (en) 2022-08-25
JP7297071B2 (ja) 2023-06-23
WO2021038709A1 (ja) 2021-03-04
JPWO2021038709A1 (https=) 2021-03-04
CN114270094A (zh) 2022-04-01

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