JP4640264B2 - 面状光源装置及び表示装置組立体 - Google Patents

面状光源装置及び表示装置組立体 Download PDF

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Publication number
JP4640264B2
JP4640264B2 JP2006154982A JP2006154982A JP4640264B2 JP 4640264 B2 JP4640264 B2 JP 4640264B2 JP 2006154982 A JP2006154982 A JP 2006154982A JP 2006154982 A JP2006154982 A JP 2006154982A JP 4640264 B2 JP4640264 B2 JP 4640264B2
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Japan
Prior art keywords
light source
planar light
support wall
liquid crystal
display device
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JP2006154982A
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Japanese (ja)
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JP2007324048A (ja
JP2007324048A5 (enExample
Inventor
真義 森田
忠司 森本
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Sony Corp
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Sony Corp
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Priority to JP2006154982A priority Critical patent/JP4640264B2/ja
Priority to US11/807,565 priority patent/US7760291B2/en
Publication of JP2007324048A publication Critical patent/JP2007324048A/ja
Publication of JP2007324048A5 publication Critical patent/JP2007324048A5/ja
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2006154982A 2006-06-02 2006-06-02 面状光源装置及び表示装置組立体 Active JP4640264B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006154982A JP4640264B2 (ja) 2006-06-02 2006-06-02 面状光源装置及び表示装置組立体
US11/807,565 US7760291B2 (en) 2006-06-02 2007-05-29 Planar light-source apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006154982A JP4640264B2 (ja) 2006-06-02 2006-06-02 面状光源装置及び表示装置組立体

Publications (3)

Publication Number Publication Date
JP2007324048A JP2007324048A (ja) 2007-12-13
JP2007324048A5 JP2007324048A5 (enExample) 2009-06-25
JP4640264B2 true JP4640264B2 (ja) 2011-03-02

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Application Number Title Priority Date Filing Date
JP2006154982A Active JP4640264B2 (ja) 2006-06-02 2006-06-02 面状光源装置及び表示装置組立体

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US (1) US7760291B2 (enExample)
JP (1) JP4640264B2 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020532A (ja) * 2006-07-11 2008-01-31 Fujifilm Corp 光学機能性シート及び表示装置
JP4455620B2 (ja) * 2007-07-17 2010-04-21 東芝モバイルディスプレイ株式会社 表示装置の製造方法及び色バランス調整方法
TWI368792B (en) * 2007-11-09 2012-07-21 Au Optronics Corp Lcd device, backlight module, thereof, with partition wall and method for manufacturing the same
EP2439442A1 (en) * 2009-07-21 2012-04-11 Sharp Kabushiki Kaisha Lens unit, light emitting module, illumination device, display device, and television receiving device
KR101948139B1 (ko) * 2011-12-20 2019-02-15 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 조명 시스템
CN102661538B (zh) * 2012-04-16 2014-10-01 深圳市华星光电技术有限公司 一种直下式背光模组以及液晶显示装置
CN103472624B (zh) * 2012-04-16 2015-09-30 深圳市华星光电技术有限公司 一种直下式背光模组以及液晶显示装置
US9063367B2 (en) * 2012-06-19 2015-06-23 Shenzhen China Star Optoelectronics Technology Co., Ltd. Direct-type backlight unit and liquid crystal display using the same
CN102748666B (zh) * 2012-06-19 2014-08-27 深圳市华星光电技术有限公司 直下式的背光模块及其液晶显示器
CN102748667B (zh) * 2012-06-20 2014-06-11 深圳市华星光电技术有限公司 直下式的背光模块及其液晶显示器
JP2014013690A (ja) * 2012-07-04 2014-01-23 Sony Corp 表示装置
JP6039337B2 (ja) * 2012-09-28 2016-12-07 キヤノン株式会社 表示装置及びその制御方法
KR101326299B1 (ko) * 2013-01-31 2013-11-11 삼성전자주식회사 디스플레이 모듈 및 이를 갖춘 디스플레이 장치
JP6277630B2 (ja) * 2013-08-19 2018-02-14 船井電機株式会社 表示装置
CN104706334B (zh) * 2015-03-30 2017-08-11 京东方科技集团股份有限公司 一种具有健康监测功能的显示面板及显示装置
US10600213B2 (en) * 2016-02-27 2020-03-24 Focal Sharp, Inc. Method and apparatus for color-preserving spectrum reshape
US10144288B2 (en) * 2016-03-31 2018-12-04 Denso International America, Inc. LCD display with highlighting
US20190258115A1 (en) * 2016-10-26 2019-08-22 Sharp Kabushiki Kaisha Lighting device and display device
JP2022074264A (ja) * 2020-11-04 2022-05-18 株式会社ジャパンディスプレイ 表示装置
CN112558355A (zh) * 2020-12-17 2021-03-26 业成科技（成都）有限公司 背光模组与显示面板
DE102022205083A1 (de) 2022-05-20 2023-11-23 Continental Automotive Technologies GmbH Anzeigevorrichtung und Fortbewegungsmittel
TWI840119B (zh) * 2023-02-10 2024-04-21 瑞軒科技股份有限公司 顯示器及其背光模組、支撐柱

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3535445B2 (ja) * 2000-03-28 2004-06-07 株式会社東芝 表示装置
JP2004264452A (ja) * 2003-02-28 2004-09-24 Fujitsu Kasei Kk バックライト装置
JP2005070690A (ja) * 2003-08-28 2005-03-17 Matsushita Electric Ind Co Ltd 液晶表示装置
US6974221B2 (en) * 2003-12-30 2005-12-13 Au Optronics Corporation Support for backlight module
JP4066053B2 (ja) * 2004-01-14 2008-03-26 株式会社プログレス 液晶表示装置用バックライトユニット
JP4491634B2 (ja) * 2004-01-23 2010-06-30 日本電気株式会社 直下型バックライト及び表示装置
JP4720100B2 (ja) * 2004-04-20 2011-07-13 ソニー株式会社 Ｌｅｄ駆動装置、バックライト光源装置及びカラー液晶表示装置
US7637045B2 (en) * 2004-07-06 2009-12-29 Asagicreate Co., Ltd. Surface light source and electrically illuminated signboard
EP2463707A1 (en) * 2004-10-19 2012-06-13 Sharp Kabushiki Kaisha Liquid crystal display device and electronic device using the same
KR20060104078A (ko) * 2005-03-29 2006-10-09 삼성전자주식회사 백라이트 유닛과 이를 포함하는 액정표시장치

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Publication number Publication date
JP2007324048A (ja) 2007-12-13
US7760291B2 (en) 2010-07-20
US20080030648A1 (en) 2008-02-07

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