KR102746689B1 - 개량된 배광 소자 - Google Patents

개량된 배광 소자 Download PDF

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Publication number
KR102746689B1
KR102746689B1 KR1020207033945A KR20207033945A KR102746689B1 KR 102746689 B1 KR102746689 B1 KR 102746689B1 KR 1020207033945 A KR1020207033945 A KR 1020207033945A KR 20207033945 A KR20207033945 A KR 20207033945A KR 102746689 B1 KR102746689 B1 KR 102746689B1
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KR
South Korea
Prior art keywords
functional layer
light
optical
light distribution
distribution element
Prior art date
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Application number
KR1020207033945A
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English (en)
Korean (ko)
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KR20210013064A (ko
Inventor
카리 린코
Original Assignee
닛토덴코 가부시키가이샤
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Publication of KR20210013064A publication Critical patent/KR20210013064A/ko
Application granted granted Critical
Publication of KR102746689B1 publication Critical patent/KR102746689B1/ko
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Classifications

    • 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
    • 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
    • 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
    • G02B6/006Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • 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
    • G02B6/0065Manufacturing aspects; Material aspects
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Integrated Circuits (AREA)
KR1020207033945A 2018-05-21 2019-05-21 개량된 배광 소자 Active KR102746689B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862674260P 2018-05-21 2018-05-21
US62/674,260 2018-05-21
PCT/IB2019/054173 WO2019224705A1 (en) 2018-05-21 2019-05-21 Improved light distribution element

Publications (2)

Publication Number Publication Date
KR20210013064A KR20210013064A (ko) 2021-02-03
KR102746689B1 true KR102746689B1 (ko) 2024-12-26

Family

ID=68616610

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207033945A Active KR102746689B1 (ko) 2018-05-21 2019-05-21 개량된 배광 소자

Country Status (8)

Country Link
US (1) US11650364B2 (https=)
EP (1) EP3797322A4 (https=)
JP (1) JP7328257B2 (https=)
KR (1) KR102746689B1 (https=)
CN (1) CN112189152B (https=)
SG (1) SG11202011569QA (https=)
TW (1) TWI856959B (https=)
WO (1) WO2019224705A1 (https=)

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* Cited by examiner, † Cited by third party
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SG11202003940UA (en) * 2017-11-01 2020-05-28 Nitto Denko Corp Light distribution structure and element, related method and uses
CN111239887B (zh) * 2020-03-24 2024-06-14 杭州矽能新材料有限公司 一种导光膜及其生产方法及导光装置
CN116157619A (zh) * 2020-07-28 2023-05-23 日东电工株式会社 照明装置
KR102814283B1 (ko) * 2020-07-28 2025-05-29 닛토덴코 가부시키가이샤 조명 장치용 도광부재, 조명 장치 및 건축부재
BR112023000846A2 (pt) * 2020-07-28 2023-02-07 Nitto Denko Corp Construção
EP4191125A4 (en) * 2020-07-28 2024-08-14 Nitto Denko Corporation TABLE TOP LIGHTING DEVICE
CN115176196B (zh) * 2020-11-18 2024-04-09 京东方科技集团股份有限公司 光源模组及其制备方法和显示模组
CN112764152B (zh) * 2021-02-08 2022-09-02 捷开通讯(深圳)有限公司 显示组件及显示装置
CN117396940A (zh) * 2021-06-29 2024-01-12 日东电工株式会社 发光装置用导光部件以及发光装置
CN113915585A (zh) * 2021-10-14 2022-01-11 长春一汽富维海拉车灯有限公司 一种高均匀性多色光学结构
ES2993512B2 (es) * 2023-06-26 2025-07-23 Seat Sa Sistema de iluminacion

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JP2002222604A (ja) * 2000-09-25 2002-08-09 Mitsubishi Rayon Co Ltd 漏光モジュレータを有する光源装置
JP2013159099A (ja) * 2012-02-08 2013-08-19 Kuraray Co Ltd 光学部材の製造方法

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JPH0862428A (ja) * 1994-08-18 1996-03-08 Dainippon Printing Co Ltd エッジライト型面光源
KR100867066B1 (ko) * 2000-09-25 2008-11-04 미츠비시 레이온 가부시키가이샤 면 광원 장치
JP2002358811A (ja) 2001-05-31 2002-12-13 Harison Toshiba Lighting Corp 光透過装置、バックライトユニット、液晶表示装置
KR20070010478A (ko) * 2005-07-19 2007-01-24 삼성전자주식회사 광학시트, 이를 갖는 백라이트 어셈블리 및 이를 갖는표시장치
JP4384214B2 (ja) 2007-09-27 2009-12-16 株式会社 日立ディスプレイズ 面発光素子,画像表示素子及びそれを用いた画像表示装置
US8070341B2 (en) * 2008-12-18 2011-12-06 Visteon Global Technologies, Inc. Light pipe with uniformly lit appearance
JP2011210595A (ja) * 2010-03-30 2011-10-20 Mitsubishi Rayon Co Ltd 照明装置
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Publication number Priority date Publication date Assignee Title
JP2002222604A (ja) * 2000-09-25 2002-08-09 Mitsubishi Rayon Co Ltd 漏光モジュレータを有する光源装置
JP2013159099A (ja) * 2012-02-08 2013-08-19 Kuraray Co Ltd 光学部材の製造方法

Also Published As

Publication number Publication date
SG11202011569QA (en) 2020-12-30
CN112189152B (zh) 2024-06-18
CN112189152A (zh) 2021-01-05
TWI856959B (zh) 2024-10-01
US11650364B2 (en) 2023-05-16
WO2019224705A1 (en) 2019-11-28
KR20210013064A (ko) 2021-02-03
JP7328257B2 (ja) 2023-08-16
TW202012834A (zh) 2020-04-01
EP3797322A4 (en) 2022-01-12
JP2021524939A (ja) 2021-09-16
US20210181399A1 (en) 2021-06-17
EP3797322A1 (en) 2021-03-31

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