KR20240022496A - 조명 장치용 도광 부재 및 조명 장치 - Google Patents

조명 장치용 도광 부재 및 조명 장치 Download PDF

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Publication number
KR20240022496A
KR20240022496A KR1020237043443A KR20237043443A KR20240022496A KR 20240022496 A KR20240022496 A KR 20240022496A KR 1020237043443 A KR1020237043443 A KR 1020237043443A KR 20237043443 A KR20237043443 A KR 20237043443A KR 20240022496 A KR20240022496 A KR 20240022496A
Authority
KR
South Korea
Prior art keywords
light guide
layer
light
lighting device
main 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.)
Pending
Application number
KR1020237043443A
Other languages
English (en)
Korean (ko)
Inventor
심페이 무카데야마
타카히로 요시카와
코조 나카무라
Original Assignee
닛토덴코 가부시키가이샤
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 닛토덴코 가부시키가이샤 filed Critical 닛토덴코 가부시키가이샤
Publication of KR20240022496A publication Critical patent/KR20240022496A/ko
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/002Refractors for light sources using microoptical elements for redirecting or diffusing light
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/00362-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/22Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0038Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0055Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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)
KR1020237043443A 2021-06-17 2022-06-10 조명 장치용 도광 부재 및 조명 장치 Pending KR20240022496A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021100994 2021-06-17
JPJP-P-2021-100994 2021-06-17
PCT/JP2022/023417 WO2022264930A1 (ja) 2021-06-17 2022-06-10 照明装置用導光部材および照明装置

Publications (1)

Publication Number Publication Date
KR20240022496A true KR20240022496A (ko) 2024-02-20

Family

ID=84527479

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237043443A Pending KR20240022496A (ko) 2021-06-17 2022-06-10 조명 장치용 도광 부재 및 조명 장치

Country Status (7)

Country Link
US (1) US12210181B2 (https=)
EP (1) EP4357663A4 (https=)
JP (1) JPWO2022264930A1 (https=)
KR (1) KR20240022496A (https=)
CN (1) CN117501043A (https=)
TW (1) TW202314352A (https=)
WO (1) WO2022264930A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12147068B2 (en) * 2021-06-09 2024-11-19 Nitto Denko Corporation Light guide member for illumination device, and illumination device
TWI889136B (zh) * 2024-01-10 2025-07-01 李裕翔 導光件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124765A1 (en) 2010-04-06 2011-10-13 Kari Rinko Laminate structure with embedded cavities and related method of manufacture
WO2019087118A1 (en) 2017-11-01 2019-05-09 Nitto Denko Corporation Light distribution structure and element, related method and uses
WO2019102959A1 (ja) 2017-11-21 2019-05-31 富士フイルム株式会社 片面照明兼用窓
WO2019146628A1 (ja) 2018-01-26 2019-08-01 日東電工株式会社 Led照明器具用フィルム、led照明器具
WO2019182091A1 (ja) 2018-03-22 2019-09-26 日東電工株式会社 光学デバイス

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0950851B1 (en) 1998-04-17 2006-03-01 Nitto Denko Corporation Light conductive plate, surface light source device, and reflection type liquid-crystal display
JP2000048617A (ja) * 1998-07-28 2000-02-18 Nitto Denko Corp 導光板、面光源装置及び反射型液晶表示装置
JP2002189106A (ja) * 2000-12-20 2002-07-05 Dainippon Printing Co Ltd 防眩性フィルムおよびその製造方法、ならびに防眩性フィルムを用いた表示装置
JP4122161B2 (ja) * 2002-02-04 2008-07-23 日本電産コパル株式会社 面発光装置
JP4009514B2 (ja) 2002-09-27 2007-11-14 倉敷繊維加工株式会社 生分解性空気清浄用フィルター
JP4448392B2 (ja) 2004-06-28 2010-04-07 Hoya株式会社 反射防止膜を有する光学素子の製造方法
JP4260811B2 (ja) 2006-01-27 2009-04-30 日本ライツ株式会社 導光板および平面照明装置
JP2008040171A (ja) 2006-08-07 2008-02-21 Pentax Corp セルフクリーニング効果を有する反射防止膜を設けた光学素子及びその製造方法
JP5007416B2 (ja) 2009-02-17 2012-08-22 国立大学法人信州大学 多孔質シリカ膜の製造方法
US8953118B2 (en) 2009-11-30 2015-02-10 Nitto Denko Corporation Liquid crystal display apparatus
US9182522B2 (en) 2010-04-15 2015-11-10 Nitto Denko Corporation Hard coat film, polarizing plate, image display device, and method for producing hard coat film
JP5512380B2 (ja) * 2010-04-30 2014-06-04 株式会社フジクラ 表示装置
JP2013197065A (ja) 2012-03-22 2013-09-30 Skg:Kk 照明装置
JP7217118B2 (ja) 2018-09-26 2023-02-02 日東電工株式会社 保護フィルム付き光学フィルム
US20210148545A1 (en) * 2019-11-20 2021-05-20 Glint Photonics, Inc. Antireflective optics for lighting products
EP4108731A4 (en) 2020-02-21 2024-03-27 Nitto Denko Corporation ADHESIVE COMPOSITION LAYER, LAMINATE PRODUCT, OPTICAL LAMINATE PRODUCT, OPTICAL DEVICE, AND METHOD FOR PRODUCING OPTICAL LAMINATE PRODUCT
KR102936204B1 (ko) 2020-02-21 2026-03-10 닛토덴코 가부시키가이샤 접착제층, 적층체, 광학 적층체 및 광학 적층체의 제조 방법, 및 광학 장치
US12147068B2 (en) * 2021-06-09 2024-11-19 Nitto Denko Corporation Light guide member for illumination device, and illumination device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124765A1 (en) 2010-04-06 2011-10-13 Kari Rinko Laminate structure with embedded cavities and related method of manufacture
WO2019087118A1 (en) 2017-11-01 2019-05-09 Nitto Denko Corporation Light distribution structure and element, related method and uses
WO2019102959A1 (ja) 2017-11-21 2019-05-31 富士フイルム株式会社 片面照明兼用窓
WO2019146628A1 (ja) 2018-01-26 2019-08-01 日東電工株式会社 Led照明器具用フィルム、led照明器具
WO2019182091A1 (ja) 2018-03-22 2019-09-26 日東電工株式会社 光学デバイス

Also Published As

Publication number Publication date
EP4357663A1 (en) 2024-04-24
US20240219620A1 (en) 2024-07-04
WO2022264930A1 (ja) 2022-12-22
CN117501043A (zh) 2024-02-02
TW202314352A (zh) 2023-04-01
JPWO2022264930A1 (https=) 2022-12-22
US12210181B2 (en) 2025-01-28
EP4357663A4 (en) 2025-05-21

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PA0105 International application

Patent event date: 20231215

Patent event code: PA01051R01D

Comment text: International Patent Application

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A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20250512

Comment text: Request for Examination of Application