SG11202011569QA - Improved light distribution element - Google Patents

Improved light distribution element

Info

Publication number
SG11202011569QA
SG11202011569QA SG11202011569QA SG11202011569QA SG11202011569QA SG 11202011569Q A SG11202011569Q A SG 11202011569QA SG 11202011569Q A SG11202011569Q A SG 11202011569QA SG 11202011569Q A SG11202011569Q A SG 11202011569QA SG 11202011569Q A SG11202011569Q A SG 11202011569QA
Authority
SG
Singapore
Prior art keywords
light distribution
distribution element
improved light
improved
light
Prior art date
Application number
SG11202011569QA
Other languages
English (en)
Inventor
Kari Rinko
Original Assignee
Nitto Denko 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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of SG11202011569QA publication Critical patent/SG11202011569QA/en

Links

Classifications

    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
    • G02B6/0033—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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means 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
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means 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
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Elements Other Than Lenses (AREA)
SG11202011569QA 2018-05-21 2019-05-21 Improved light distribution element SG11202011569QA (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
SG11202011569QA true SG11202011569QA (en) 2020-12-30

Family

ID=68616610

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202011569QA SG11202011569QA (en) 2018-05-21 2019-05-21 Improved light distribution element

Country Status (8)

Country Link
US (1) US11650364B2 (ko)
EP (1) EP3797322A4 (ko)
JP (1) JP7328257B2 (ko)
KR (1) KR20210013064A (ko)
CN (1) CN112189152A (ko)
SG (1) SG11202011569QA (ko)
TW (1) TW202012834A (ko)
WO (1) WO2019224705A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11202003940UA (en) * 2017-11-01 2020-05-28 Nitto Denko Corp Light distribution structure and element, related method and uses
CN111239887A (zh) * 2020-03-24 2020-06-05 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
WO2022024829A1 (ja) * 2020-07-28 2022-02-03 日東電工株式会社 卓上照明装置
WO2022104604A1 (zh) * 2020-11-18 2022-05-27 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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0862428A (ja) 1994-08-18 1996-03-08 Dainippon Printing Co Ltd エッジライト型面光源
KR100878091B1 (ko) * 2000-09-25 2009-01-14 미츠비시 레이온 가부시키가이샤 광원 장치 및 에지 라이트 방식의 면 광원 장치
JP4472221B2 (ja) 2000-09-25 2010-06-02 三菱レイヨン株式会社 漏光モジュレータを有する光源装置
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
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
US20110244187A1 (en) 2010-04-06 2011-10-06 Modilis Holdings Llc Internal Cavity Optics
EP2556543B1 (en) * 2010-04-06 2020-08-12 OY ICS Intelligent Control Systems Ltd Laminate structure with embedded cavities for use with solar cells and related method of manufacture
KR101808185B1 (ko) * 2010-12-27 2018-01-19 삼성전자 주식회사 도광판, 이를 포함하는 백라이트유닛, 디스플레이장치 및 도광판 제조방법
US20140140091A1 (en) 2012-11-20 2014-05-22 Sergiy Victorovich Vasylyev Waveguide illumination system
JP2013159099A (ja) 2012-02-08 2013-08-19 Kuraray Co Ltd 光学部材の製造方法
US8971680B2 (en) * 2012-05-22 2015-03-03 Sharp Laboratories Of America, Inc. Waveguide with Controlled Light Collimation
US8630518B2 (en) * 2012-05-22 2014-01-14 Sharp Laboratories Of America, Inc. Ultra-thin waveguide with controlled light extraction
CN104797882A (zh) * 2012-08-24 2015-07-22 3M创新有限公司 可变折射率光提取层及其制备方法
WO2016050687A1 (en) * 2014-10-03 2016-04-07 Philips Lighting Holding B.V. A light concentrator for use in a lighting device
WO2019026865A1 (ja) 2017-08-04 2019-02-07 日東電工株式会社 光取り出し部材

Also Published As

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

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