TWI438508B - Surface light source device - Google Patents

Surface light source device Download PDF

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Publication number
TWI438508B
TWI438508B TW098146493A TW98146493A TWI438508B TW I438508 B TWI438508 B TW I438508B TW 098146493 A TW098146493 A TW 098146493A TW 98146493 A TW98146493 A TW 98146493A TW I438508 B TWI438508 B TW I438508B
Authority
TW
Taiwan
Prior art keywords
light
film
incident
backlight
light guiding
Prior art date
Application number
TW098146493A
Other languages
English (en)
Chinese (zh)
Other versions
TW201015132A (en
Original Assignee
Japan Display Inc
Panasonic Liquid Crystal Displ
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 Japan Display Inc, Panasonic Liquid Crystal Displ filed Critical Japan Display Inc
Publication of TW201015132A publication Critical patent/TW201015132A/zh
Application granted granted Critical
Publication of TWI438508B publication Critical patent/TWI438508B/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
    • G02B6/0013—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
    • 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
    • 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
    • G02B6/0033—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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
TW098146493A 2005-12-06 2006-12-06 Surface light source device TWI438508B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005352167A JP4579146B2 (ja) 2005-12-06 2005-12-06 表示装置および面状光源装置

Publications (2)

Publication Number Publication Date
TW201015132A TW201015132A (en) 2010-04-16
TWI438508B true TWI438508B (zh) 2014-05-21

Family

ID=38118356

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095145420A TW200734705A (en) 2005-12-06 2006-12-06 Indication apparatus and plane light source apparatus
TW098146493A TWI438508B (zh) 2005-12-06 2006-12-06 Surface light source device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW095145420A TW200734705A (en) 2005-12-06 2006-12-06 Indication apparatus and plane light source apparatus

Country Status (5)

Country Link
US (5) US20070126950A1 (OSRAM)
JP (1) JP4579146B2 (OSRAM)
KR (1) KR100863848B1 (OSRAM)
CN (2) CN1979309B (OSRAM)
TW (2) TW200734705A (OSRAM)

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JP4579146B2 (ja) * 2005-12-06 2010-11-10 株式会社 日立ディスプレイズ 表示装置および面状光源装置
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CN101487972B (zh) * 2008-01-18 2014-09-10 北京京东方光电科技有限公司 可调节透过率的掩模板的掩模方法
CN101680619B (zh) * 2008-02-07 2013-03-06 索尼株式会社 导光板、面发光装置、液晶显示设备及导光板制造方法
JP5190735B2 (ja) * 2008-03-06 2013-04-24 Ｎｌｔテクノロジー株式会社 バックライト及び液晶表示装置
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CN102692673B (zh) * 2012-06-20 2014-09-03 丹阳博昱科技有限公司 一种用掩模板制作大版导光片的方法
JP6157827B2 (ja) * 2012-09-28 2017-07-05 恵和株式会社 導光シート、エッジライト型バックライトユニット及びラップトップコンピュータ
US20150298609A1 (en) * 2012-11-13 2015-10-22 Johnson Controls Technology Company Illuminated vehicle interior component
TWI498638B (zh) * 2013-10-18 2015-09-01 Au Optronics Corp 顯示裝置
WO2015064883A1 (en) * 2013-11-01 2015-05-07 Seoul Semiconductor Co., Ltd. Light source module and backlight unit having the same
CN105102091B (zh) * 2014-03-11 2019-01-11 堺显示器制品株式会社 光源装置、显示装置以及光源装置的制造方法
KR102204953B1 (ko) * 2014-06-25 2021-01-19 삼성디스플레이 주식회사 형광 시트 및 이를 포함하는 라이트 유닛과 액정 표시 장치
KR102146962B1 (ko) * 2014-09-25 2020-08-31 코닌클리케 필립스 엔.브이. 출력의 지향성 제어를 갖는 디스플레이 디바이스, 및 이러한 디스플레이 디바이스를 위한 백라이트
KR102244847B1 (ko) * 2014-12-31 2021-04-28 엘지디스플레이 주식회사 초집광 도광필름 및 이를 이용한 평판 표시장치용 박막형 백 라이트 유닛
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JP7013164B2 (ja) 2017-08-07 2022-01-31 株式会社ジャパンディスプレイ 表示装置
CN108800056B (zh) * 2018-08-20 2024-07-09 华域视觉科技(上海)有限公司 一种汽车信号灯的光学结构
KR102698294B1 (ko) * 2018-09-07 2024-08-26 삼성전자주식회사 조명 장치 및 이를 포함하는 전자 장치와 조명 방법
KR102668143B1 (ko) * 2019-01-03 2024-05-24 삼성디스플레이 주식회사 표시장치
CN109633962B (zh) * 2019-02-18 2021-10-15 友达光电（苏州）有限公司 显示装置
KR20210115236A (ko) 2020-03-12 2021-09-27 엘지이노텍 주식회사 광원모듈
CN111915982A (zh) * 2020-08-17 2020-11-10 上海中航光电子有限公司 一种背光模组以及显示装置
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KR20220154435A (ko) * 2021-05-13 2022-11-22 에스엘 주식회사 차량용 램프
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Also Published As

Publication number Publication date
US20120127753A1 (en) 2012-05-24
US8416364B2 (en) 2013-04-09
US20110102708A1 (en) 2011-05-05
US8085360B2 (en) 2011-12-27
JP4579146B2 (ja) 2010-11-10
CN101976003A (zh) 2011-02-16
US20110292681A1 (en) 2011-12-01
CN1979309A (zh) 2007-06-13
US20070126950A1 (en) 2007-06-07
KR100863848B1 (ko) 2008-10-15
TW201015132A (en) 2010-04-16
TWI362510B (OSRAM) 2012-04-21
US20130250612A1 (en) 2013-09-26
TW200734705A (en) 2007-09-16
CN1979309B (zh) 2010-11-10
KR20070060026A (ko) 2007-06-12
JP2007157540A (ja) 2007-06-21
US8817205B2 (en) 2014-08-26

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