TWI629521B - 導光板、背光模組及顯示裝置 - Google Patents

導光板、背光模組及顯示裝置 Download PDF

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Publication number
TWI629521B
TWI629521B TW106137987A TW106137987A TWI629521B TW I629521 B TWI629521 B TW I629521B TW 106137987 A TW106137987 A TW 106137987A TW 106137987 A TW106137987 A TW 106137987A TW I629521 B TWI629521 B TW I629521B
Authority
TW
Taiwan
Prior art keywords
region
guide plate
structures
light guide
optical surface
Prior art date
Application number
TW106137987A
Other languages
English (en)
Chinese (zh)
Other versions
TW201917426A (zh
Inventor
張尹
翁巾婷
陳昊
鐘翌菁
Original Assignee
大陸商瑞儀（廣州）光電子器件有限公司
瑞儀光電股份有限公司
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 大陸商瑞儀（廣州）光電子器件有限公司, 瑞儀光電股份有限公司 filed Critical 大陸商瑞儀（廣州）光電子器件有限公司
Application granted granted Critical
Publication of TWI629521B publication Critical patent/TWI629521B/zh
Publication of TW201917426A publication Critical patent/TW201917426A/zh

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
    • G02B6/0036—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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means 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
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough 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
    • G02B6/0035—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
    • G02B6/0058—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
    • G02B6/0066—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)
  • Planar Illumination Modules (AREA)
TW106137987A 2017-10-26 2017-11-02 導光板、背光模組及顯示裝置 TWI629521B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
??PCT/CN2017/107761 2017-10-26
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
TWI629521B true TWI629521B (zh) 2018-07-11
TW201917426A TW201917426A (zh) 2019-05-01

Family

ID=63640391

Family Applications (1)

Application Number Title Priority Date Filing Date
TW106137987A TWI629521B (zh) 2017-10-26 2017-11-02 導光板、背光模組及顯示裝置

Country Status (6)

Country Link
US (1) US10816715B2 (enExample)
JP (1) JP7098738B2 (enExample)
KR (1) KR102460679B1 (enExample)
CN (2) CN120215009A (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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW546520B (en) * 1999-04-22 2003-08-11 Mitsubishi Electric Corp Backlight for liquid crystal display device
US6767106B2 (en) * 2000-05-08 2004-07-27 Lexalite International Corporation Edge-lit luminaire having prismatic optical control
US6854855B2 (en) * 1999-12-02 2005-02-15 Reflexite Corporation Asymmetric alternating prism arrays
TWI356925B (en) * 2007-01-29 2012-01-21 Cheil Ind Inc Light guide panel for lcd comprising stripe prism
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

Family Cites Families (18)

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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
US20070279552A1 (en) * 2006-06-02 2007-12-06 General Electric Company Prism pitch optimization
KR100785025B1 (ko) * 2006-10-26 2007-12-12 삼성전자주식회사 디스플레이 소자용 양면 조명장치 및 이를 채용한 양면디스플레이 소자
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
JP5066741B2 (ja) * 2007-09-27 2012-11-07 スタンレー電気株式会社 面光源用導光板
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
CN106802447A (zh) * 2013-08-20 2017-06-06 瑞仪光电股份有限公司 导光板及背光模块
JP6424457B2 (ja) * 2014-04-23 2018-11-21 凸版印刷株式会社 車載用表示装置
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW546520B (en) * 1999-04-22 2003-08-11 Mitsubishi Electric Corp Backlight for liquid crystal display device
US6854855B2 (en) * 1999-12-02 2005-02-15 Reflexite Corporation Asymmetric alternating prism arrays
US6767106B2 (en) * 2000-05-08 2004-07-27 Lexalite International Corporation Edge-lit luminaire having prismatic optical control
TWI356925B (en) * 2007-01-29 2012-01-21 Cheil Ind Inc Light guide panel for lcd comprising stripe prism
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

Also Published As

Publication number Publication date
JP7098738B2 (ja) 2022-07-11
US20190129086A1 (en) 2019-05-02
US10816715B2 (en) 2020-10-27
KR20200091393A (ko) 2020-07-30
CN120215009A (zh) 2025-06-27
CN109964157A (zh) 2019-07-02
KR102460679B1 (ko) 2022-10-28
WO2019080027A1 (zh) 2019-05-02
JP2021508929A (ja) 2021-03-11
TW201917426A (zh) 2019-05-01

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