KR102460679B1 - 도광판, 백라이트 모듈 및 디스플레이 장치 - Google Patents

도광판, 백라이트 모듈 및 디스플레이 장치 Download PDF

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Publication number
KR102460679B1
KR102460679B1 KR1020207011901A KR20207011901A KR102460679B1 KR 102460679 B1 KR102460679 B1 KR 102460679B1 KR 1020207011901 A KR1020207011901 A KR 1020207011901A KR 20207011901 A KR20207011901 A KR 20207011901A KR 102460679 B1 KR102460679 B1 KR 102460679B1
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KR
South Korea
Prior art keywords
prism
optical surface
guide plate
light
light guide
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KR1020207011901A
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English (en)
Korean (ko)
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KR20200091393A (ko
Inventor
치아 인 창
친 팅 웡
하오 천
이 칭 충
Original Assignee
라디안트 (광저우) 옵토-엘렉트로닉스 컴퍼니 리미티드
레디언트 옵토-일렉트로닉스 코포레이션
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Publication of KR20200091393A publication Critical patent/KR20200091393A/ko
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    • 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016Grooves, prisms, gratings, scattering particles or rough 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
    • G02B6/0061Means 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
    • G02B6/0033Means 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
    • G02B6/0066Light 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
KR1020207011901A 2017-10-26 2017-10-26 도광판, 백라이트 모듈 및 디스플레이 장치 Active KR102460679B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/107761 WO2019080027A1 (zh) 2017-10-26 2017-10-26 导光板、背光模组及显示装置

Publications (2)

Publication Number Publication Date
KR20200091393A KR20200091393A (ko) 2020-07-30
KR102460679B1 true KR102460679B1 (ko) 2022-10-28

Family

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KR1020207011901A Active KR102460679B1 (ko) 2017-10-26 2017-10-26 도광판, 백라이트 모듈 및 디스플레이 장치

Country Status (6)

Country Link
US (1) US10816715B2 (enExample)
JP (1) JP7098738B2 (enExample)
KR (1) KR102460679B1 (enExample)
CN (2) CN109964157A (enExample)
TW (1) TWI629521B (enExample)
WO (1) WO2019080027A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111010878B (zh) * 2018-08-06 2021-06-04 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置
JP7677218B2 (ja) * 2022-04-20 2025-05-15 株式会社デンソー 光学部材

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143372A2 (en) 2006-06-02 2007-12-13 Sabic Innovative Plastics Ip B.V. Prism pitch optimization
JP2009081094A (ja) * 2007-09-27 2009-04-16 Stanley Electric Co Ltd 面光源用導光板
CN103424801A (zh) 2013-08-20 2013-12-04 瑞仪光电股份有限公司 具多向性结构的导光板
JP2015210844A (ja) * 2014-04-23 2015-11-24 凸版印刷株式会社 照明装置、表示装置
CN206489292U (zh) 2016-10-11 2017-09-12 瑞仪光电股份有限公司 显示装置
CN207301397U (zh) 2017-10-26 2018-05-01 瑞仪光电股份有限公司 导光板、背光模组及显示装置

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JP3434465B2 (ja) 1999-04-22 2003-08-11 三菱電機株式会社 液晶表示装置用バックライト
CA2393260A1 (en) * 1999-12-02 2001-06-21 Reflexite Corporation Asymmetric alternating prism arrays
US6767106B2 (en) * 2000-05-08 2004-07-27 Lexalite International Corporation Edge-lit luminaire having prismatic optical control
JP2006309219A (ja) 2005-04-25 2006-11-09 Samsung Electronics Co Ltd 自発光液晶表示装置
KR100780186B1 (ko) * 2005-04-27 2007-11-27 삼성전기주식회사 발광다이오드를 이용한 lcd 백라이트 유니트
EP1744187A1 (en) * 2005-07-15 2007-01-17 Vrije Universiteit Brussel Folded radial brewster polariser
KR100785025B1 (ko) * 2006-10-26 2007-12-12 삼성전자주식회사 디스플레이 소자용 양면 조명장치 및 이를 채용한 양면디스플레이 소자
KR100868922B1 (ko) * 2007-01-29 2008-11-17 제일모직주식회사 불규칙한 외형의 메인프리즘 및 크로스프리즘을 포함하는액정표시장치용 도광판
JP4878335B2 (ja) * 2007-06-14 2012-02-15 シチズン電子株式会社 導光板の製造方法、導光板及びバックライトユニット並びに表示装置
TWM332872U (en) * 2007-10-31 2008-05-21 Nano Prec Corp Light guide plate and side-emitting backlight module having the same
JP2009176562A (ja) 2008-01-24 2009-08-06 Harison Toshiba Lighting Corp バックライトユニット
CN102829393B (zh) * 2012-08-01 2015-04-15 深圳市华星光电技术有限公司 一种光照组件
CN104049296A (zh) * 2014-05-27 2014-09-17 瑞仪光电股份有限公司 导光板及光源模组
CN104375236B (zh) * 2014-11-26 2017-10-24 深圳市华星光电技术有限公司 导光板、背光模组及显示器
JP6889533B2 (ja) * 2015-10-21 2021-06-18 スタンレー電気株式会社 紫外線発光装置及び紫外線照射装置
JP2017188250A (ja) 2016-04-04 2017-10-12 ミネベアミツミ株式会社 面状照明装置
CN105929479A (zh) * 2016-04-25 2016-09-07 上海向隆电子科技有限公司 前光板及其设计方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143372A2 (en) 2006-06-02 2007-12-13 Sabic Innovative Plastics Ip B.V. Prism pitch optimization
JP2009081094A (ja) * 2007-09-27 2009-04-16 Stanley Electric Co Ltd 面光源用導光板
CN103424801A (zh) 2013-08-20 2013-12-04 瑞仪光电股份有限公司 具多向性结构的导光板
JP2015210844A (ja) * 2014-04-23 2015-11-24 凸版印刷株式会社 照明装置、表示装置
CN206489292U (zh) 2016-10-11 2017-09-12 瑞仪光电股份有限公司 显示装置
CN207301397U (zh) 2017-10-26 2018-05-01 瑞仪光电股份有限公司 导光板、背光模组及显示装置

Also Published As

Publication number Publication date
JP7098738B2 (ja) 2022-07-11
TW201917426A (zh) 2019-05-01
CN109964157A (zh) 2019-07-02
TWI629521B (zh) 2018-07-11
WO2019080027A1 (zh) 2019-05-02
KR20200091393A (ko) 2020-07-30
CN120215009A (zh) 2025-06-27
US10816715B2 (en) 2020-10-27
US20190129086A1 (en) 2019-05-02
JP2021508929A (ja) 2021-03-11

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