TWI254176B - Surface light source device - Google Patents

Surface light source device Download PDF

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Publication number
TWI254176B
TWI254176B TW089119298A TW89119298A TWI254176B TW I254176 B TWI254176 B TW I254176B TW 089119298 A TW089119298 A TW 089119298A TW 89119298 A TW89119298 A TW 89119298A TW I254176 B TWI254176 B TW I254176B
Authority
TW
Taiwan
Prior art keywords
light
guide plate
light source
point
light guide
Prior art date
Application number
TW089119298A
Other languages
English (en)
Chinese (zh)
Inventor
Hiroshi Yamashita
Satoshi Kuwabara
Nobuhito Nishida
Masashi Ochiiwa
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Application granted granted Critical
Publication of TWI254176B publication Critical patent/TWI254176B/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/0073—Light emitting diode [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
TW089119298A 1999-09-29 2000-09-20 Surface light source device TWI254176B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27685799A JP2001101916A (ja) 1999-09-29 1999-09-29 面光源装置

Publications (1)

Publication Number Publication Date
TWI254176B true TWI254176B (en) 2006-05-01

Family

ID=17575387

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089119298A TWI254176B (en) 1999-09-29 2000-09-20 Surface light source device

Country Status (3)

Country Link
JP (1) JP2001101916A (ko)
KR (1) KR100425657B1 (ko)
TW (1) TWI254176B (ko)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI404892B (zh) * 2008-10-24 2013-08-11 Hon Hai Prec Ind Co Ltd 照明裝置
TWI407055B (zh) * 2008-10-17 2013-09-01 Hon Hai Prec Ind Co Ltd 照明裝置
TWI479235B (zh) * 2010-11-05 2015-04-01 Huei Dung Chin 一種側入式led背光單元
CN107526215A (zh) * 2017-08-23 2017-12-29 深圳市华星光电技术有限公司 双面显示背光模组及双面显示器

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3931070B2 (ja) 2001-10-22 2007-06-13 株式会社アドバンスト・ディスプレイ 面状光源装置及びこれを備えた液晶表示装置
KR101098902B1 (ko) 2005-04-01 2012-01-09 삼성전자주식회사 액정표시장치
JP4513759B2 (ja) * 2005-04-27 2010-07-28 三菱電機株式会社 面状光源装置
KR101162092B1 (ko) * 2005-06-21 2012-07-04 엘지디스플레이 주식회사 발광다이오드 어셈블리를 구비하는 액정표시장치
JP4669799B2 (ja) * 2006-03-01 2011-04-13 パナソニック株式会社 エッジ入力型バックライト
KR101298362B1 (ko) * 2006-11-02 2013-08-20 엘지디스플레이 주식회사 광원 모듈 및 이를 구비하는 표시장치
KR101453954B1 (ko) 2006-11-07 2014-10-23 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정 표시 장치
KR20140070858A (ko) * 2012-11-28 2014-06-11 황근호 조립성이 향상된 백라이트 유닛
KR102482531B1 (ko) * 2014-11-28 2022-12-30 서울바이오시스 주식회사 Led를 이용한 양면 면광원 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54164377A (en) * 1978-06-16 1979-12-27 Michio Okada Plane lighting fitting
JPS6381873A (ja) * 1986-09-26 1988-04-12 Toshiba Corp 発光装置
JPH06214230A (ja) * 1993-01-14 1994-08-05 Koito Mfg Co Ltd 液晶表示装置
JPH11184386A (ja) * 1997-12-24 1999-07-09 Seiko Instruments Inc フロントライト型照明装置およびフロントライト型照明装置付き反射型カラー表示装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI407055B (zh) * 2008-10-17 2013-09-01 Hon Hai Prec Ind Co Ltd 照明裝置
TWI404892B (zh) * 2008-10-24 2013-08-11 Hon Hai Prec Ind Co Ltd 照明裝置
TWI479235B (zh) * 2010-11-05 2015-04-01 Huei Dung Chin 一種側入式led背光單元
CN107526215A (zh) * 2017-08-23 2017-12-29 深圳市华星光电技术有限公司 双面显示背光模组及双面显示器

Also Published As

Publication number Publication date
JP2001101916A (ja) 2001-04-13
KR100425657B1 (ko) 2004-04-03
KR20010050682A (ko) 2001-06-15

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