TWI221209B - Surface light source device and display device - Google Patents

Surface light source device and display device Download PDF

Info

Publication number
TWI221209B
TWI221209B TW090103316A TW90103316A TWI221209B TW I221209 B TWI221209 B TW I221209B TW 090103316 A TW090103316 A TW 090103316A TW 90103316 A TW90103316 A TW 90103316A TW I221209 B TWI221209 B TW I221209B
Authority
TW
Taiwan
Prior art keywords
light
light source
guide plate
aforementioned
light guide
Prior art date
Application number
TW090103316A
Other languages
English (en)
Chinese (zh)
Inventor
Kazumasa Ohsumi
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
Application granted granted Critical
Publication of TWI221209B publication Critical patent/TWI221209B/zh

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW090103316A 2000-02-18 2001-02-14 Surface light source device and display device TWI221209B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000040513A JP3770371B2 (ja) 2000-02-18 2000-02-18 面光源装置及び表示装置

Publications (1)

Publication Number Publication Date
TWI221209B true TWI221209B (en) 2004-09-21

Family

ID=18563878

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090103316A TWI221209B (en) 2000-02-18 2001-02-14 Surface light source device and display device

Country Status (3)

Country Link
JP (1) JP3770371B2 (ko)
KR (1) KR100720883B1 (ko)
TW (1) TWI221209B (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030018789A (ko) * 2001-08-31 2003-03-06 주식회사 흥진메텍 점광원을 이용한 액정표시장치의 백라이트 장치 및 그점광원 배열구조
KR102133762B1 (ko) 2013-01-10 2020-07-15 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시장치
CN105139759B (zh) 2015-09-18 2017-10-10 京东方科技集团股份有限公司 一种拼接屏

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08136919A (ja) * 1994-11-10 1996-05-31 Asahi Optical Co Ltd 液晶表示板用照明装置
JPH0915592A (ja) * 1995-06-28 1997-01-17 Kyocera Corp 液晶表示装置
KR19980022603U (ko) * 1996-10-28 1998-07-25 손욱 액정표시소자용 면광원 장치
JP3558321B2 (ja) * 1997-05-08 2004-08-25 株式会社エンプラス サイドライト型面光源装置及び導光板
KR20000016446U (ko) * 1999-02-01 2000-09-25 김순택 액정표시장치
JP2001202816A (ja) * 2000-01-19 2001-07-27 Enplas Corp 導光板、面光源装置及び表示装置

Also Published As

Publication number Publication date
JP3770371B2 (ja) 2006-04-26
KR20010082691A (ko) 2001-08-30
KR100720883B1 (ko) 2007-05-22
JP2001228475A (ja) 2001-08-24

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees