JP2006276685A - 液晶表示モジュールのバックライトユニット - Google Patents

液晶表示モジュールのバックライトユニット Download PDF

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Publication number
JP2006276685A
JP2006276685A JP2005098380A JP2005098380A JP2006276685A JP 2006276685 A JP2006276685 A JP 2006276685A JP 2005098380 A JP2005098380 A JP 2005098380A JP 2005098380 A JP2005098380 A JP 2005098380A JP 2006276685 A JP2006276685 A JP 2006276685A
Authority
JP
Japan
Prior art keywords
guide plate
light guide
backlight unit
light
fluorescent tube
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.)
Pending
Application number
JP2005098380A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006276685A5 (https=
Inventor
Seiji Otake
静治 大竹
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2005098380A priority Critical patent/JP2006276685A/ja
Priority to US11/211,480 priority patent/US7394960B2/en
Priority to KR1020050082997A priority patent/KR100757818B1/ko
Priority to CNA2005101030912A priority patent/CN1841153A/zh
Publication of JP2006276685A publication Critical patent/JP2006276685A/ja
Publication of JP2006276685A5 publication Critical patent/JP2006276685A5/ja
Pending legal-status Critical Current

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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
    • 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
    • G02B6/0038—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
    • G02B6/005—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2005098380A 2005-03-30 2005-03-30 液晶表示モジュールのバックライトユニット Pending JP2006276685A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005098380A JP2006276685A (ja) 2005-03-30 2005-03-30 液晶表示モジュールのバックライトユニット
US11/211,480 US7394960B2 (en) 2005-03-30 2005-08-26 Backlight unit of liquid-crystal display module
KR1020050082997A KR100757818B1 (ko) 2005-03-30 2005-09-07 액정 표시 모듈의 백라이트 유닛, 액정 표시 모듈 유닛, 액정 표시 장치 및 컴퓨터
CNA2005101030912A CN1841153A (zh) 2005-03-30 2005-09-19 液晶显示模块的背光单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005098380A JP2006276685A (ja) 2005-03-30 2005-03-30 液晶表示モジュールのバックライトユニット

Publications (2)

Publication Number Publication Date
JP2006276685A true JP2006276685A (ja) 2006-10-12
JP2006276685A5 JP2006276685A5 (https=) 2008-04-03

Family

ID=37030239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005098380A Pending JP2006276685A (ja) 2005-03-30 2005-03-30 液晶表示モジュールのバックライトユニット

Country Status (4)

Country Link
US (1) US7394960B2 (https=)
JP (1) JP2006276685A (https=)
KR (1) KR100757818B1 (https=)
CN (1) CN1841153A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101211205B1 (ko) * 2005-06-30 2012-12-11 엘지디스플레이 주식회사 몰드 프레임, 백라이트 유닛 및 액정표시장치
US7903143B2 (en) * 2008-03-13 2011-03-08 Dell Products L.P. Systems and methods for document scanning using a variable intensity display of an information handling system
US8408262B2 (en) * 2009-10-08 2013-04-02 International Business Machines Corporation Adaptive chuck for planar bonding between substrates
TWI676067B (zh) * 2018-05-15 2019-11-01 友達光電股份有限公司 具環境光補償設計的顯示裝置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08235922A (ja) * 1995-02-23 1996-09-13 Matsushita Electric Works Ltd 照光装置
JPH11154407A (ja) * 1997-11-20 1999-06-08 Seiko Epson Corp 光源装置
JP2001066591A (ja) * 1999-08-25 2001-03-16 Matsushita Electric Ind Co Ltd バックライトユニットを備えた液晶表示装置
WO2004111533A1 (ja) * 2003-06-13 2004-12-23 Toshiba Matsushita Display Technology Co., Ltd. 面光源装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2823993B2 (ja) * 1992-08-03 1998-11-11 シャープ株式会社 液晶表示装置
JPH07261173A (ja) 1994-03-18 1995-10-13 Hitachi Ltd 液晶表示装置
KR0176180B1 (ko) * 1995-12-27 1999-05-01 김광호 액정표시소자용 백라이트
KR20000037845A (ko) 1998-12-02 2000-07-05 윤종용 액정표시장치용 백라이트 유니트
KR20000060073A (ko) * 1999-03-11 2000-10-16 구본준 액정표시장치의 백라이트
JP2001338512A (ja) * 2000-03-23 2001-12-07 Enplas Corp 面光源装置及び画像表示装置
JP2002006142A (ja) * 2000-06-20 2002-01-09 Enplas Corp 導光板，面光源装置及び画像表示装置
TW542931B (en) * 2001-01-16 2003-07-21 Au Optronics Corp Back lighting device of liquid crystal display device
TW569067B (en) * 2001-01-31 2004-01-01 Au Optronics Corp Backlight module capable of eliminating edged bright line and its method
KR20030008790A (ko) * 2001-07-20 2003-01-29 삼성전자 주식회사 액정표시장치
KR100878209B1 (ko) * 2002-06-25 2009-01-13 삼성전자주식회사 램프 어셈블리와, 이를 갖는 백라이트 어셈블리 및 액정표시 장치
KR20040005169A (ko) 2002-07-08 2004-01-16 엘지.필립스 엘시디 주식회사 액정표시모듈

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08235922A (ja) * 1995-02-23 1996-09-13 Matsushita Electric Works Ltd 照光装置
JPH11154407A (ja) * 1997-11-20 1999-06-08 Seiko Epson Corp 光源装置
JP2001066591A (ja) * 1999-08-25 2001-03-16 Matsushita Electric Ind Co Ltd バックライトユニットを備えた液晶表示装置
WO2004111533A1 (ja) * 2003-06-13 2004-12-23 Toshiba Matsushita Display Technology Co., Ltd. 面光源装置

Also Published As

Publication number Publication date
US7394960B2 (en) 2008-07-01
US20060222311A1 (en) 2006-10-05
CN1841153A (zh) 2006-10-04
KR20060106587A (ko) 2006-10-12
KR100757818B1 (ko) 2007-09-11

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