TW200714987A - Backlight unit, display device having the same and driving method of the same - Google Patents

Backlight unit, display device having the same and driving method of the same

Info

Publication number
TW200714987A
TW200714987A TW095131475A TW95131475A TW200714987A TW 200714987 A TW200714987 A TW 200714987A TW 095131475 A TW095131475 A TW 095131475A TW 95131475 A TW95131475 A TW 95131475A TW 200714987 A TW200714987 A TW 200714987A
Authority
TW
Taiwan
Prior art keywords
light source
same
light
backlight unit
display device
Prior art date
Application number
TW095131475A
Other languages
English (en)
Inventor
Seock-Hwan Kang
Gi-Cherl Kim
Sang-Yu Lee
Joo-Woan Cho
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200714987A publication Critical patent/TW200714987A/zh

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/3406Control of illumination source
    • G09G3/3413Details of control of colour illumination sources
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133609Direct backlight including means for improving the color mixing, e.g. white
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133612Electrical details
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0666Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
TW095131475A 2005-08-26 2006-08-25 Backlight unit, display device having the same and driving method of the same TW200714987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050078960A KR20070024235A (ko) 2005-08-26 2005-08-26 백라이트 유닛, 이를 포함하는 표시장치 그리고 백라이트유닛의 제어방법

Publications (1)

Publication Number Publication Date
TW200714987A true TW200714987A (en) 2007-04-16

Family

ID=37778640

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095131475A TW200714987A (en) 2005-08-26 2006-08-25 Backlight unit, display device having the same and driving method of the same

Country Status (5)

Country Link
US (1) US20070047220A1 (zh)
JP (1) JP2007066891A (zh)
KR (1) KR20070024235A (zh)
CN (1) CN100476940C (zh)
TW (1) TW200714987A (zh)

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US7773849B2 (en) * 2004-12-14 2010-08-10 Oms Displays Ltd. Device and method for optical resizing and backlighting
JP2009511996A (ja) * 2005-10-18 2009-03-19 オーエムエス ディスプレイズ リミテッド 光学リサイジング及びバックライティングのための装置および方法
KR100793581B1 (ko) * 2006-08-29 2008-01-14 엘지이노텍 주식회사 백라이트 유닛 및 이를 이용한 디스플레이 장치
WO2008026683A1 (fr) * 2006-09-01 2008-03-06 Panasonic Corporation Dispositif d'affichage à cristaux liquides de type à plusieurs panneaux
JP2008159550A (ja) * 2006-12-26 2008-07-10 Toshiba Corp バックライト制御装置及びバックライト制御方法
EP2116758A4 (en) * 2007-03-08 2011-08-03 Sharp Kk LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY
EP2171346A1 (en) * 2007-07-31 2010-04-07 LSI Industries, Inc. Lighting apparatus
KR101368857B1 (ko) * 2008-01-28 2014-02-28 삼성디스플레이 주식회사 광원 어셈블리 및 그를 포함하는 액정 표시 장치
JP2009192728A (ja) * 2008-02-13 2009-08-27 Sharp Corp 表示装置
KR101519331B1 (ko) * 2008-02-18 2015-05-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
KR101418584B1 (ko) * 2008-03-28 2014-07-14 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
TWI380004B (en) * 2008-10-20 2012-12-21 Ind Tech Res Inst Light source detection and control system
EP2718683A1 (en) * 2011-06-10 2014-04-16 Koninklijke Philips N.V. Arrangement for light balancing
EP2546102A1 (en) * 2011-07-11 2013-01-16 Intertechnique Reading light unit and system of a light control unit and a reading light unit
EP2552178B1 (de) * 2011-07-27 2014-04-16 Siemens Aktiengesellschaft Anzeigegerät mit einem optischen Anzeigefeld
KR101339281B1 (ko) * 2012-04-17 2013-12-10 주식회사 포스코아이씨티 식생 매트 겸용 디스플레이 장치
JP6234090B2 (ja) 2013-07-09 2017-11-22 三菱電機株式会社 半導体装置
CN103672538B (zh) 2013-12-19 2016-07-06 深圳市华星光电技术有限公司 背光调节电路及电子装置
JP6436336B2 (ja) * 2014-02-13 2018-12-12 Tianma Japan株式会社 バックライト光源装置及び液晶表示装置
CN104315409A (zh) * 2014-10-15 2015-01-28 合肥美的电冰箱有限公司 背光模组、背光模组产生彩色光的方法及显示器
CN104461178B (zh) * 2014-12-26 2017-07-04 京东方科技集团股份有限公司 光触控结构、光触控显示基板及其制备方法
CN104948080B (zh) * 2015-06-17 2016-06-15 安徽嘉伟新材料科技有限责任公司 一种智能显示玻璃门窗
CN109739048A (zh) * 2019-01-16 2019-05-10 柳州阜民科技有限公司 一种背光模组、显示模组及电子设备
CN109709713A (zh) * 2019-01-16 2019-05-03 柳州阜民科技有限公司 一种背光模组、显示模组及电子设备
CN110648616B (zh) * 2019-09-29 2023-02-28 云谷(固安)科技有限公司 柔性显示屏检测装置及方法
EP4300145A1 (en) * 2021-08-17 2024-01-03 Samsung Electronics Co., Ltd. Display apparatus and backlight unit

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US6753661B2 (en) * 2002-06-17 2004-06-22 Koninklijke Philips Electronics N.V. LED-based white-light backlighting for electronic displays
US6950570B1 (en) * 2002-08-13 2005-09-27 Active Optical Networks, Inc. Integrated fiber, sensor and lens arrays for optical networks
US7052152B2 (en) * 2003-10-03 2006-05-30 Philips Lumileds Lighting Company, Llc LCD backlight using two-dimensional array LEDs
WO2005057275A1 (ja) * 2003-12-08 2005-06-23 Sony Corporation 液晶表示装置およびバックライト調整方法
JP2005208486A (ja) * 2004-01-26 2005-08-04 Hitachi Ltd 液晶表示装置
JP2006030392A (ja) * 2004-07-13 2006-02-02 Nec Corp 表示装置及びこれを用いた電子機器
JP4529573B2 (ja) * 2004-07-28 2010-08-25 三菱電機株式会社 面状光源装置及び液晶表示装置

Also Published As

Publication number Publication date
US20070047220A1 (en) 2007-03-01
CN100476940C (zh) 2009-04-08
KR20070024235A (ko) 2007-03-02
CN1920924A (zh) 2007-02-28
JP2007066891A (ja) 2007-03-15

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