TWI293709B - Surface light source device, image display device and light guide plate assembly - Google Patents

Surface light source device, image display device and light guide plate assembly Download PDF

Info

Publication number
TWI293709B
TWI293709B TW092119377A TW92119377A TWI293709B TW I293709 B TWI293709 B TW I293709B TW 092119377 A TW092119377 A TW 092119377A TW 92119377 A TW92119377 A TW 92119377A TW I293709 B TWI293709 B TW I293709B
Authority
TW
Taiwan
Prior art keywords
guide plate
light guide
light
light source
source device
Prior art date
Application number
TW092119377A
Other languages
English (en)
Chinese (zh)
Other versions
TW200403502A (en
Inventor
Ono Toshiaki
Nakayama Shinichi
Original Assignee
Enplas 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 Enplas Corp filed Critical Enplas Corp
Publication of TW200403502A publication Critical patent/TW200403502A/zh
Application granted granted Critical
Publication of TWI293709B publication Critical patent/TWI293709B/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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
TW092119377A 2002-07-19 2003-07-16 Surface light source device, image display device and light guide plate assembly TWI293709B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002210931A JP4030050B2 (ja) 2002-07-19 2002-07-19 面光源装置、画像表示装置及び導光板組立体

Publications (2)

Publication Number Publication Date
TW200403502A TW200403502A (en) 2004-03-01
TWI293709B true TWI293709B (en) 2008-02-21

Family

ID=31934301

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092119377A TWI293709B (en) 2002-07-19 2003-07-16 Surface light source device, image display device and light guide plate assembly

Country Status (3)

Country Link
JP (1) JP4030050B2 (ja)
KR (1) KR20040010261A (ja)
TW (1) TWI293709B (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100616625B1 (ko) * 2004-10-20 2006-08-28 삼성전기주식회사 두께가 감소된 대화면 백라이트 장치
KR100687355B1 (ko) * 2004-11-12 2007-02-27 비오이 하이디스 테크놀로지 주식회사 액정표시장치의 백라이트 유니트
US20070047228A1 (en) * 2005-08-27 2007-03-01 3M Innovative Properties Company Methods of forming direct-lit backlights having light recycling cavity with concave transflector
US7815355B2 (en) * 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
EP1929361A4 (en) 2005-08-27 2009-10-21 3M Innovative Properties Co LIGHTING MODULE AND SYSTEM
KR100653070B1 (ko) 2005-09-05 2006-12-01 삼성전자주식회사 액정표시장치
KR100699266B1 (ko) 2005-09-09 2007-03-27 삼성전자주식회사 백라이트 유닛과 이를 포함하는 표시장치
CN201237121Y (zh) * 2008-06-25 2009-05-13 武良举 具有辅助照明的嵌入式灯具
CN102713417A (zh) * 2010-01-13 2012-10-03 富士胶片株式会社 导光板、面状照明装置以及液晶显示装置
TWI475264B (zh) * 2010-05-14 2015-03-01 Fujifilm Corp 導光板、面狀照明裝置以及液晶顯示裝置
JP5425026B2 (ja) 2010-09-08 2014-02-26 富士フイルム株式会社 導光板、面状照明装置、および液晶表示装置
TWI444721B (zh) 2011-04-29 2014-07-11 Au Optronics Corp 背光模組
KR101664422B1 (ko) 2013-01-23 2016-10-10 엘지전자 주식회사 평면 조명 장치
EP3015912B1 (en) 2014-10-31 2017-12-06 LG Electronics Inc. Backlight unit and display device including backlight unit
WO2016068592A1 (en) 2014-10-31 2016-05-06 Lg Electronics Inc. Backlight unit and display device having backlight unit
KR102315567B1 (ko) * 2014-10-31 2021-10-21 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
US12000582B2 (en) 2014-10-31 2024-06-04 Lg Electronics Inc. Display device having reflecting sheet with plurality of dot areas reducing reflectivity of the reflecting sheet
WO2016068590A1 (en) 2014-10-31 2016-05-06 Lg Electronics Inc. Backlight unit and display device including backlight unit

Also Published As

Publication number Publication date
KR20040010261A (ko) 2004-01-31
JP4030050B2 (ja) 2008-01-09
JP2004055327A (ja) 2004-02-19
TW200403502A (en) 2004-03-01

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