TW592310U - Light guide plate, side light type surface light source device, and liquid crystal display device - Google Patents

Light guide plate, side light type surface light source device, and liquid crystal display device

Info

Publication number
TW592310U
TW592310U TW093201549U TW93201549U TW592310U TW 592310 U TW592310 U TW 592310U TW 093201549 U TW093201549 U TW 093201549U TW 93201549 U TW93201549 U TW 93201549U TW 592310 U TW592310 U TW 592310U
Authority
TW
Taiwan
Prior art keywords
liquid crystal
crystal display
guide plate
type surface
display device
Prior art date
Application number
TW093201549U
Other languages
English (en)
Inventor
Toshiaki Ono
Original Assignee
Enplas Corp
Nichia 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, Nichia Corp filed Critical Enplas Corp
Publication of TW592310U publication Critical patent/TW592310U/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
    • G02B6/0033—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
    • G02B6/0035—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
TW093201549U 1999-04-23 2000-04-21 Light guide plate, side light type surface light source device, and liquid crystal display device TW592310U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11677199A JP3966492B2 (ja) 1999-04-23 1999-04-23 導光板、サイドライト型面光源装置及び液晶表示装置

Publications (1)

Publication Number Publication Date
TW592310U true TW592310U (en) 2004-06-11

Family

ID=14695330

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093201549U TW592310U (en) 1999-04-23 2000-04-21 Light guide plate, side light type surface light source device, and liquid crystal display device

Country Status (3)

Country Link
JP (1) JP3966492B2 (zh)
KR (1) KR100583213B1 (zh)
TW (1) TW592310U (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001118416A (ja) * 1999-05-11 2001-04-27 Nichia Chem Ind Ltd 面発光装置
JP4807814B2 (ja) * 2001-07-19 2011-11-02 三菱レイヨン株式会社 面光源装置及びそれに用いる導光体
JP4761422B2 (ja) * 2001-09-07 2011-08-31 三菱レイヨン株式会社 面光源装置及びそれに用いる導光体
JP2003115209A (ja) * 2001-10-04 2003-04-18 Sanyo Electric Co Ltd 線状導光体を用いた線状照明装置並びに面状照明装置
JP2003331628A (ja) 2002-03-05 2003-11-21 Seiko Epson Corp 照明装置、液晶装置及び電子機器
KR100849095B1 (ko) * 2002-04-12 2008-07-30 엘지디스플레이 주식회사 필드 시퀀셜 컬러 액정표시장치용 백라이트 유닛
KR20030081975A (ko) * 2002-04-15 2003-10-22 삼성전자주식회사 광공급장치 및 이를 이용한 액정표시장치
JP3923867B2 (ja) * 2002-07-26 2007-06-06 株式会社アドバンスト・ディスプレイ 面状光源装置及びそれを用いた液晶表示装置
KR20040021178A (ko) * 2002-09-03 2004-03-10 삼성전자주식회사 면 광원장치
CN100523945C (zh) 2002-10-04 2009-08-05 日亚化学工业株式会社 用于面发光装置的导光板
KR100693925B1 (ko) * 2004-11-24 2007-03-12 레디언트 옵토-일렉트로닉스 코포레이션 광 전도판 및 광 전도판을 이용하는 리어 라이트 모듈
US7695178B2 (en) 2005-06-23 2010-04-13 Samsung Electronics Co., Ltd Light-guide plate, backlight assembly and liquid crystal display having the same
CN100468157C (zh) * 2005-11-01 2009-03-11 鸿富锦精密工业（深圳）有限公司 导光板
KR100790857B1 (ko) * 2006-01-16 2008-01-03 삼성전기주식회사 도광판 및 이를 채용한 디스플레이 장치
US8471791B2 (en) 2006-08-14 2013-06-25 Ixys Corporation Video and content controlled backlight
TWI596391B (zh) * 2016-10-21 2017-08-21 茂林光電科技股份有限公司 可消除熱點現象之導光板、加工方法及其背光模組
JP6800099B2 (ja) * 2017-06-27 2020-12-16 シチズン時計株式会社 面状ライトユニット
JP6955470B2 (ja) * 2018-03-30 2021-10-27 株式会社巴川製紙所 導光板用封止部材及びそれを用いた導光板の製造方法
JP2024048153A (ja) * 2022-09-27 2024-04-08 日東電工株式会社 光学装置、光学部材および導光部材

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3253001B2 (ja) * 1995-12-14 2002-02-04 株式会社エンプラス サイドライト型面光源装置
KR19980028557U (ko) * 1996-11-22 1998-08-05 숭레이몬드 발광다이오드 백라이트 어셈블리
JP2904164B2 (ja) * 1996-12-12 1999-06-14 日本電気株式会社 液晶表示装置用バックライト
JP3615355B2 (ja) * 1997-06-04 2005-02-02 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

Also Published As

Publication number Publication date
JP2000306411A (ja) 2000-11-02
KR20010007011A (ko) 2001-01-26
KR100583213B1 (ko) 2006-05-24
JP3966492B2 (ja) 2007-08-29

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