JPH10260405A - 照明装置、液晶表示装置及び電子機器 - Google Patents

照明装置、液晶表示装置及び電子機器

Info

Publication number
JPH10260405A
JPH10260405A JP9065164A JP6516497A JPH10260405A JP H10260405 A JPH10260405 A JP H10260405A JP 9065164 A JP9065164 A JP 9065164A JP 6516497 A JP6516497 A JP 6516497A JP H10260405 A JPH10260405 A JP H10260405A
Authority
JP
Japan
Prior art keywords
light
light guide
planar
linear
point
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP9065164A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10260405A5 (enExample
Inventor
Shigeo Kobayashi
茂夫 小林
Yoshito Kawaguchi
善人 河口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP9065164A priority Critical patent/JPH10260405A/ja
Priority to TW087100250A priority patent/TW358864B/zh
Priority to KR1019980008431A priority patent/KR19980080215A/ko
Priority to CN98105584A priority patent/CN1113269C/zh
Priority to US09/042,869 priority patent/US6283602B1/en
Priority to DE69814716T priority patent/DE69814716T2/de
Priority to EP98302045A priority patent/EP0866264B1/en
Publication of JPH10260405A publication Critical patent/JPH10260405A/ja
Publication of JPH10260405A5 publication Critical patent/JPH10260405A5/ja
Withdrawn legal-status Critical Current

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
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/005—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
    • G02B6/0073—Light emitting diode [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • F21V2200/15—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type the light being emitted along at least a portion of the outer surface of the guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0066—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)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Sorting Of Articles (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP9065164A 1997-03-18 1997-03-18 照明装置、液晶表示装置及び電子機器 Withdrawn JPH10260405A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP9065164A JPH10260405A (ja) 1997-03-18 1997-03-18 照明装置、液晶表示装置及び電子機器
TW087100250A TW358864B (en) 1997-03-18 1998-01-09 Lighting device, LCD and electronic machine
KR1019980008431A KR19980080215A (ko) 1997-03-18 1998-03-13 조명장치, 액정표시장치 및 전자기기
CN98105584A CN1113269C (zh) 1997-03-18 1998-03-16 照明装置、液晶显示装置和电子装置
US09/042,869 US6283602B1 (en) 1997-03-18 1998-03-17 Lighting device, liquid crystal display unit, and electronic equipment
DE69814716T DE69814716T2 (de) 1997-03-18 1998-03-18 Beleuchtungsvorrichtung, Flüssigkristallanzeigeeinheit und elektronisches Gerät
EP98302045A EP0866264B1 (en) 1997-03-18 1998-03-18 Lighting device, liquid crystal display unit, and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9065164A JPH10260405A (ja) 1997-03-18 1997-03-18 照明装置、液晶表示装置及び電子機器

Publications (2)

Publication Number Publication Date
JPH10260405A true JPH10260405A (ja) 1998-09-29
JPH10260405A5 JPH10260405A5 (enExample) 2004-12-24

Family

ID=13278980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9065164A Withdrawn JPH10260405A (ja) 1997-03-18 1997-03-18 照明装置、液晶表示装置及び電子機器

Country Status (7)

Country Link
US (1) US6283602B1 (enExample)
EP (1) EP0866264B1 (enExample)
JP (1) JPH10260405A (enExample)
KR (1) KR19980080215A (enExample)
CN (1) CN1113269C (enExample)
DE (1) DE69814716T2 (enExample)
TW (1) TW358864B (enExample)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980080215A (ko) * 1997-03-18 1998-11-25 야스카와 히데아키 조명장치, 액정표시장치 및 전자기기
JPH11283408A (ja) * 1998-03-27 1999-10-15 Hitachi Chem Co Ltd 照明装置
JP2000011723A (ja) * 1998-06-29 2000-01-14 Minebea Co Ltd 面状照明装置
JP2001143518A (ja) * 1999-09-03 2001-05-25 Hitachi Chem Co Ltd 面光源装置
JP2001345008A (ja) * 2000-05-31 2001-12-14 Nippon Leiz Co Ltd 面光源装置
JP2001356323A (ja) * 2000-06-15 2001-12-26 Citizen Watch Co Ltd 液晶表示装置
JP2002109937A (ja) * 2000-09-29 2002-04-12 Sanyo Electric Co Ltd 面照明装置および表示装置
JP2003131228A (ja) * 2001-10-26 2003-05-08 Fujitsu Kasei Kk 液晶照明装置
JP2003151335A (ja) * 2001-11-13 2003-05-23 Minebea Co Ltd 面状照明装置
JP2003151333A (ja) * 2001-11-09 2003-05-23 Fujitsu Kasei Kk 面照明装置と液晶表示装置
JP2003151334A (ja) * 2001-11-09 2003-05-23 Minebea Co Ltd 面状照明装置
JP2003272424A (ja) * 2002-03-12 2003-09-26 Fujitsu Kasei Kk 面照明装置と液晶表示装置
US6636283B2 (en) 2000-03-31 2003-10-21 Mitsubishi Denki Kabushiki Kaisha Front light, reflective liquid crystal display device and personal digital assistant
US6644824B2 (en) 2000-12-22 2003-11-11 Nec Lcd Technologies, Ltd. Light unit using point light source, and liquid crystal display using the same light unit
US6824285B2 (en) 2001-11-29 2004-11-30 Nec Corporation Light source and liquid crystal display device using this light source
US7021812B2 (en) 2001-06-18 2006-04-04 Fujitsu Limited Lighting device and liquid crystal display device
US7108417B2 (en) 2002-08-23 2006-09-19 Fujitsu Limited Lighting apparatus and liquid crystal display
CN100349052C (zh) * 1998-11-27 2007-11-14 夏普株式会社 照明装置、照明元件、前灯以及液晶显示装置
JP2008218433A (ja) * 2008-05-15 2008-09-18 Nitto Denko Corp 導光板、面光源装置及び液晶表示装置
JP2008293665A (ja) * 2007-05-22 2008-12-04 Rinnai Corp 光表示装置付の機器
US7497609B2 (en) 2002-11-29 2009-03-03 Fujitsu Limited Illuminating device and liquid crystal display apparatus
JP2012501482A (ja) * 2008-09-02 2012-01-19 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド プリズム状の光転向特徴体を有する光転向装置
JP2013080583A (ja) * 2011-10-03 2013-05-02 Mitsubishi Electric Corp 面光源装置およびそれを備える表示装置
US8979349B2 (en) 2009-05-29 2015-03-17 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000222925A (ja) * 1999-01-29 2000-08-11 Minebea Co Ltd 面状照明装置
JP2001060409A (ja) * 1999-08-23 2001-03-06 Minebea Co Ltd 面状照明装置
TW594072B (en) 1999-12-28 2004-06-21 Fujitsu Kasei Kk Lighting apparatus
DE10004973A1 (de) * 2000-02-04 2001-08-09 Bosch Gmbh Robert Vorrichtung zur Beleuchtung einer flächigen Anzeige
DE10004972A1 (de) * 2000-02-04 2001-08-16 Bosch Gmbh Robert Anzeigevorrichtung
JP2001222906A (ja) * 2000-02-08 2001-08-17 Minebea Co Ltd 面状照明装置
AUPQ572900A0 (en) * 2000-02-18 2000-03-16 Spicon Industries Pty. Ltd. Improved lighting display system
KR100709176B1 (ko) * 2000-04-14 2007-04-18 삼성에스디아이 주식회사 액정 표시장치용 백 라이트
DE10032927A1 (de) * 2000-07-06 2002-01-17 Hella Kg Hueck & Co Beleuchtungseinrichtung
US20040012832A1 (en) * 2000-10-11 2004-01-22 Gallen Niall Anthony Beam expansion
GB0024945D0 (en) * 2000-10-11 2000-11-29 Screen Technology Ltd Beam expansion
JP4374482B2 (ja) * 2000-11-02 2009-12-02 ミネベア株式会社 面状照明装置
JP3728723B2 (ja) * 2000-12-20 2005-12-21 ミネベア株式会社 面状照明装置
JP3505619B2 (ja) * 2001-01-17 2004-03-08 ミネベア株式会社 面状照明装置
GB0108838D0 (en) 2001-04-07 2001-05-30 Cambridge 3D Display Ltd Far field display
US6561660B2 (en) * 2001-06-26 2003-05-13 Wintek Corporation Light guiding device of a liquid crystal display
JP3484497B2 (ja) * 2001-08-10 2004-01-06 ミネベア株式会社 面状照明装置
JP4671562B2 (ja) * 2001-08-31 2011-04-20 富士通株式会社 照明装置及び液晶表示装置
CN1271447C (zh) 2001-09-25 2006-08-23 剑桥平投影显示有限公司 平板投影显示器
US6948840B2 (en) * 2001-11-16 2005-09-27 Everbrite, Llc Light emitting diode light bar
US6864795B2 (en) * 2002-04-18 2005-03-08 Bed-Check Corporation Apparatus for lighting a patient monitor front panel
US6848822B2 (en) 2002-05-31 2005-02-01 3M Innovative Properties Company Light guide within recessed housing
TW558015U (en) * 2002-12-06 2003-10-11 Hon Hai Prec Ind Co Ltd Backlight module
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
JP4161713B2 (ja) * 2002-12-27 2008-10-08 カシオ計算機株式会社 面状照明装置
TWI254172B (en) * 2002-12-27 2006-05-01 Hon Hai Prec Ind Co Ltd Surface light module and liquid crystal display using the same
CN1302323C (zh) * 2003-02-08 2007-02-28 统宝光电股份有限公司 发光模块以及包括此发光模块的平面显示器
US7044627B2 (en) * 2003-05-30 2006-05-16 Mertz John C Display retainer and backlight
TWM243658U (en) * 2003-06-13 2004-09-11 Hon Hai Prec Ind Co Ltd Planar light source device
DE10338661A1 (de) * 2003-08-22 2005-03-17 Elektromanufaktur Zangenstein Hanauer Gmbh & Co. Kgaa Vorrichtung zum Verteilen von Licht, insbesondere als Beleuchtungseinrichtung für einen Kühlschrank oder dergleichen
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
CN100403124C (zh) * 2004-06-30 2008-07-16 晶元光电股份有限公司 平面光源装置
KR100652058B1 (ko) * 2004-06-30 2006-12-01 엘지.필립스 엘시디 주식회사 백라이트 유닛
US7813026B2 (en) 2004-09-27 2010-10-12 Qualcomm Mems Technologies, Inc. System and method of reducing color shift in a display
US7630123B2 (en) 2004-09-27 2009-12-08 Qualcomm Mems Technologies, Inc. Method and device for compensating for color shift as a function of angle of view
US20060285352A1 (en) * 2005-06-17 2006-12-21 Lg.Philips Lcd Co., Ltd. Optical device, apparatus and method for fabricating the optical device, backlight unit using the optical device, and liquid crystal display device using the backlight unit
TW200730951A (en) * 2006-02-10 2007-08-16 Wintek Corp Guide light module
EP2069838A2 (en) 2006-10-06 2009-06-17 Qualcomm Mems Technologies, Inc. Illumination device with built-in light coupler
KR101535805B1 (ko) 2006-10-06 2015-07-09 퀄컴 엠이엠에스 테크놀로지스, 인크. 디스플레이 장치 및 디스플레이 형성방법
US8107155B2 (en) 2006-10-06 2012-01-31 Qualcomm Mems Technologies, Inc. System and method for reducing visual artifacts in displays
TWI350411B (en) * 2006-11-14 2011-10-11 Lite On Technology Corp Light guide plate and edge-type backlight module having the same
TW200830000A (en) * 2007-01-15 2008-07-16 Dynascan Technology Corp LED backlight module
US8654061B2 (en) 2008-02-12 2014-02-18 Qualcomm Mems Technologies, Inc. Integrated front light solution
US8118468B2 (en) * 2008-05-16 2012-02-21 Qualcomm Mems Technologies, Inc. Illumination apparatus and methods
JP2011526053A (ja) * 2008-06-04 2011-09-29 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド プリズム前方光に対するエッジシャドウの減少方法
CN101598299B (zh) * 2008-06-05 2012-01-25 鸿富锦精密工业（深圳）有限公司 光源模组及使用该光源模组的游戏装置
US8172417B2 (en) 2009-03-06 2012-05-08 Qualcomm Mems Technologies, Inc. Shaped frontlight reflector for use with display
KR101007329B1 (ko) 2009-05-13 2011-01-13 주식회사 오에스에스 광도파로 및 발광다이오드를 이용한 광원장치
DE102009038469B4 (de) * 2009-08-21 2015-02-12 Advanced Display Technology Ag Anzeigeelement und Verfahren zum Ansteuern eines Anzeigeelementes
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
CN202392588U (zh) * 2011-11-04 2012-08-22 深圳市华星光电技术有限公司 背光结构及包含有该背光结构的液晶显示器
US8979347B2 (en) 2012-04-24 2015-03-17 Qualcomm Mems Technologies, Inc. Illumination systems and methods
US9223080B2 (en) 2012-04-24 2015-12-29 Qualcomm Mems Technologies, Inc. Light guide with narrow angle light output and methods
JP5547332B2 (ja) * 2012-11-15 2014-07-09 シャープ株式会社 導光装置及び表示装置
KR102108994B1 (ko) * 2013-08-30 2020-05-12 삼성전자주식회사 광 변환 소자 및 그 제조 방법, 그리고 이를 포함하는 광원 유닛
CN105174769B (zh) * 2015-09-15 2017-10-24 广州市番禺盛达穗南有限公司 一种种植用珍珠岩的加工方法与种植用珍珠岩
JP6438905B2 (ja) * 2016-04-04 2018-12-19 矢崎総業株式会社 車内照明装置
US12092318B1 (en) * 2023-05-22 2024-09-17 Creative Sensor Inc. Lighting module and linear light-guiding unit thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740540A (en) * 1969-02-19 1973-06-19 Matsushita Electric Industrial Co Ltd Dial illuminating device
CH591705A5 (enExample) * 1975-10-28 1977-09-30 Bbc Brown Boveri & Cie
JP3025109B2 (ja) 1992-03-11 2000-03-27 シャープ株式会社 光源および光源装置
JPH0651129A (ja) 1992-07-27 1994-02-25 Inoue Denki Kk 照明装置
KR940025327U (ko) * 1993-04-07 1994-11-18 제브라(ZEBRA)를 사용한 엘시디(Liquid Crystal Disply)조명구조
DE4329914A1 (de) 1993-09-04 1995-03-09 Willing Gmbh Dr Ing Linearer Lichtleiter
US5506929A (en) * 1994-10-19 1996-04-09 Clio Technologies, Inc. Light expanding system for producing a linear or planar light beam from a point-like light source
AU4409496A (en) 1994-11-29 1996-06-19 Precision Lamp, Inc. Edge light for panel display
US5613751A (en) 1995-06-27 1997-03-25 Lumitex, Inc. Light emitting panel assemblies
JPH09325221A (ja) 1996-04-04 1997-12-16 Hitachi Cable Ltd 照明装置
JPH10104435A (ja) * 1996-09-27 1998-04-24 Meitaku Syst:Kk エッジライトパネル用バ−光源及びこれを用いた照明標識装置
KR19980053133U (ko) * 1996-12-31 1998-10-07 엄길용 Lcd 등의 백라이트 구조
JPH10260405A (ja) * 1997-03-18 1998-09-29 Seiko Epson Corp 照明装置、液晶表示装置及び電子機器

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980080215A (ko) * 1997-03-18 1998-11-25 야스카와 히데아키 조명장치, 액정표시장치 및 전자기기
JPH11283408A (ja) * 1998-03-27 1999-10-15 Hitachi Chem Co Ltd 照明装置
JP2000011723A (ja) * 1998-06-29 2000-01-14 Minebea Co Ltd 面状照明装置
US6286970B1 (en) 1998-06-29 2001-09-11 Minebea Co., Ltd. Spread illuminating apparatus
CN100349052C (zh) * 1998-11-27 2007-11-14 夏普株式会社 照明装置、照明元件、前灯以及液晶显示装置
JP2001143518A (ja) * 1999-09-03 2001-05-25 Hitachi Chem Co Ltd 面光源装置
US6636283B2 (en) 2000-03-31 2003-10-21 Mitsubishi Denki Kabushiki Kaisha Front light, reflective liquid crystal display device and personal digital assistant
JP2001345008A (ja) * 2000-05-31 2001-12-14 Nippon Leiz Co Ltd 面光源装置
JP2001356323A (ja) * 2000-06-15 2001-12-26 Citizen Watch Co Ltd 液晶表示装置
JP2002109937A (ja) * 2000-09-29 2002-04-12 Sanyo Electric Co Ltd 面照明装置および表示装置
US6644824B2 (en) 2000-12-22 2003-11-11 Nec Lcd Technologies, Ltd. Light unit using point light source, and liquid crystal display using the same light unit
US7021812B2 (en) 2001-06-18 2006-04-04 Fujitsu Limited Lighting device and liquid crystal display device
JP2003131228A (ja) * 2001-10-26 2003-05-08 Fujitsu Kasei Kk 液晶照明装置
JP2003151333A (ja) * 2001-11-09 2003-05-23 Fujitsu Kasei Kk 面照明装置と液晶表示装置
JP2003151334A (ja) * 2001-11-09 2003-05-23 Minebea Co Ltd 面状照明装置
JP2003151335A (ja) * 2001-11-13 2003-05-23 Minebea Co Ltd 面状照明装置
US6824285B2 (en) 2001-11-29 2004-11-30 Nec Corporation Light source and liquid crystal display device using this light source
JP2003272424A (ja) * 2002-03-12 2003-09-26 Fujitsu Kasei Kk 面照明装置と液晶表示装置
US7108417B2 (en) 2002-08-23 2006-09-19 Fujitsu Limited Lighting apparatus and liquid crystal display
US7497609B2 (en) 2002-11-29 2009-03-03 Fujitsu Limited Illuminating device and liquid crystal display apparatus
EP2278216A1 (en) 2002-11-29 2011-01-26 Fujitsu Limited Illumination device and liquid crystal display apparatus
JP2008293665A (ja) * 2007-05-22 2008-12-04 Rinnai Corp 光表示装置付の機器
JP2008218433A (ja) * 2008-05-15 2008-09-18 Nitto Denko Corp 導光板、面光源装置及び液晶表示装置
JP2012501482A (ja) * 2008-09-02 2012-01-19 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド プリズム状の光転向特徴体を有する光転向装置
US8979349B2 (en) 2009-05-29 2015-03-17 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
US9121979B2 (en) 2009-05-29 2015-09-01 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
JP2013080583A (ja) * 2011-10-03 2013-05-02 Mitsubishi Electric Corp 面光源装置およびそれを備える表示装置

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KR19980080215A (ko) 1998-11-25
EP0866264B1 (en) 2003-05-21
DE69814716D1 (de) 2003-06-26
CN1113269C (zh) 2003-07-02
EP0866264A1 (en) 1998-09-23
CN1197934A (zh) 1998-11-04
US6283602B1 (en) 2001-09-04
DE69814716T2 (de) 2003-11-20
TW358864B (en) 1999-05-21

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