KR102746689B1 - 개량된 배광 소자 - Google Patents

개량된 배광 소자 Download PDF

Info

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
Authority
KR
South Korea
Prior art keywords
functional layer
light
optical
light distribution
distribution element
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
KR1020207033945A
Other languages
English (en)
Korean (ko)
Other versions
KR20210013064A (ko
Inventor
카리 린코
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 KR20210013064A publication Critical patent/KR20210013064A/ko
Application granted granted Critical
Publication of KR102746689B1 publication Critical patent/KR102746689B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202520934A (zh) * 2017-11-01 2025-05-16 日商日東電工股份有限公司 光分布結構、其製造方法及所製成的元件
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
CN116134268B (zh) * 2020-07-28 2025-12-23 日东电工株式会社 照明装置用导光部件、照明装置及建筑部件
EP4191125A4 (en) * 2020-07-28 2024-08-14 Nitto Denko Corporation TABLE TOP LIGHTING DEVICE
KR20230047084A (ko) * 2020-07-28 2023-04-06 닛토덴코 가부시키가이샤 조명 장치
JP7704362B2 (ja) * 2020-07-28 2025-07-08 日東電工株式会社 建築物
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
WO2023276704A1 (ja) * 2021-06-29 2023-01-05 日東電工株式会社 発光装置用導光部材および発光装置
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

Citations (2)

* Cited by examiner, † Cited by third party
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

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
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
US20110244187A1 (en) * 2010-04-06 2011-10-06 Modilis Holdings Llc Internal Cavity Optics
JP6046031B2 (ja) * 2010-04-06 2016-12-14 クレアオプト オウ 組込み空洞を有する積層構造および関連する製造方法
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
US8630518B2 (en) 2012-05-22 2014-01-14 Sharp Laboratories Of America, Inc. Ultra-thin waveguide with controlled light extraction
US8971680B2 (en) 2012-05-22 2015-03-03 Sharp Laboratories Of America, Inc. Waveguide with Controlled Light Collimation
EP2888524A1 (en) * 2012-08-24 2015-07-01 3M Innovative Properties Company Variable index light extraction layer and method of making the same
KR20150137953A (ko) * 2014-05-30 2015-12-09 삼성전자주식회사 삼차원 디스플레이 장치
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
US11650364B2 (en) 2023-05-16
CN112189152A (zh) 2021-01-05
SG11202011569QA (en) 2020-12-30
WO2019224705A1 (en) 2019-11-28
TW202012834A (zh) 2020-04-01
EP3797322A1 (en) 2021-03-31
JP7328257B2 (ja) 2023-08-16
TWI856959B (zh) 2024-10-01
CN112189152B (zh) 2024-06-18
EP3797322A4 (en) 2022-01-12
JP2021524939A (ja) 2021-09-16
KR20210013064A (ko) 2021-02-03
US20210181399A1 (en) 2021-06-17

Similar Documents

Publication Publication Date Title
KR102746689B1 (ko) 개량된 배광 소자
JP7317800B2 (ja) 光学デバイス

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20201125

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20220413

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20240122

Patent event code: PE09021S01D

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20240923

PG1601 Publication of registration