US20110090141A1 - Backlight module and display apparatus - Google Patents

Backlight module and display apparatus Download PDF

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Publication number
US20110090141A1
US20110090141A1 US12/684,128 US68412810A US2011090141A1 US 20110090141 A1 US20110090141 A1 US 20110090141A1 US 68412810 A US68412810 A US 68412810A US 2011090141 A1 US2011090141 A1 US 2011090141A1
Authority
US
United States
Prior art keywords
light source
guide plate
light guide
backlight module
light
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.)
Abandoned
Application number
US12/684,128
Other languages
English (en)
Inventor
Super Liao
Po-Chun Hsu
Chih-Wei Chang
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.)
AU Optronics Corp
Original Assignee
AU Optronics 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 AU Optronics Corp filed Critical AU Optronics Corp
Assigned to AU OPTRONICS CORPORATION reassignment AU OPTRONICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHANG, CHIH-WEI, HSU, PO-CHUN, LIAO, SUPER
Publication of US20110090141A1 publication Critical patent/US20110090141A1/en
Priority to US14/702,774 priority Critical patent/US9245483B2/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B6/0033—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
    • 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
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
US12/684,128 2009-10-16 2010-01-08 Backlight module and display apparatus Abandoned US20110090141A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/702,774 US9245483B2 (en) 2009-10-16 2015-05-04 Backlight module and display apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW098135132A TWI401507B (zh) 2009-10-16 2009-10-16 背光模組以及顯示器
TW98135132 2009-10-16

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/702,774 Continuation US9245483B2 (en) 2009-10-16 2015-05-04 Backlight module and display apparatus

Publications (1)

Publication Number Publication Date
US20110090141A1 true US20110090141A1 (en) 2011-04-21

Family

ID=43878892

Family Applications (2)

Application Number Title Priority Date Filing Date
US12/684,128 Abandoned US20110090141A1 (en) 2009-10-16 2010-01-08 Backlight module and display apparatus
US14/702,774 Active US9245483B2 (en) 2009-10-16 2015-05-04 Backlight module and display apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
US14/702,774 Active US9245483B2 (en) 2009-10-16 2015-05-04 Backlight module and display apparatus

Country Status (2)

Country Link
US (2) US20110090141A1 (zh)
TW (1) TWI401507B (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120019995A1 (en) * 2010-07-26 2012-01-26 Hon Hai Precision Industry Co., Ltd. Embedded system and method for adjusting content
US20130241962A1 (en) * 2012-03-14 2013-09-19 Samsung Display Co., Ltd. Light source module and display device including the same
US20150130850A1 (en) * 2013-11-12 2015-05-14 Nvidia Corporation Method and apparatus to provide a lower power user interface on an lcd panel through localized backlight control
US20150235598A1 (en) * 2009-10-16 2015-08-20 Au Optronics Corporation Backlight module and display apparatus
US20170219764A1 (en) * 2012-07-27 2017-08-03 Shenzhen China Star Optoelectronics Technology Co., Ltd. Side-edge backlight module having non-uniformly sized backlight sections and design method thereof
WO2022056887A1 (en) * 2020-09-19 2022-03-24 Huawei Technologies Co., Ltd. Display device and driving method thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014148527A1 (ja) * 2013-03-19 2014-09-25 国立大学法人 浜松医科大学 発光装置
KR20160061794A (ko) * 2014-11-24 2016-06-01 삼성전자주식회사 디스플레이 장치 및 이의 제어 방법
CN108962190B (zh) * 2018-07-11 2020-10-02 广州视源电子科技股份有限公司 一种亮屏控制方法、装置、存储介质及智能镜
CN109686324B (zh) * 2019-02-28 2020-08-14 厦门天马微电子有限公司 显示装置的显示方法和显示装置
CN110085186B (zh) * 2019-05-05 2021-03-02 京东方科技集团股份有限公司 一种分区过渡补偿方法、装置及存储介质
TWI702427B (zh) * 2019-12-12 2020-08-21 台灣愛司帝科技股份有限公司 影像顯示器及其背光模組
CN111736389A (zh) * 2020-06-24 2020-10-02 安徽康佳电子有限公司 一种可分区控光侧入式背光

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6932498B2 (en) * 2002-07-04 2005-08-23 Koito Manufacturing Co., Ltd. Vehicular lamp
US20060132423A1 (en) * 2003-06-06 2006-06-22 Travis Adrian R L Scanning backlight for flat-panel display
US20070013647A1 (en) * 2005-07-15 2007-01-18 Samsung Electro-Mechanics Co., Ltd. Surface light source using LED and backlight unit having the surface light source
US20070052662A1 (en) * 2005-09-05 2007-03-08 Samsung Electronics Co., Ltd. Liquid crystal display and method of controlling the same
US20080117184A1 (en) * 2000-11-30 2008-05-22 Palm, Inc. Flexible screen display with touch sensor in a portable computer
US20080198117A1 (en) * 2005-03-11 2008-08-21 Takeshi Kumakura Display Device, Liquid Crystal Monitor, Liquid Crystal Television Receiver, and Display Method
US20080238859A1 (en) * 2007-04-02 2008-10-02 Lg.Philips Lcd Co., Ltd. Lamp driving apparatus for liquid crystal display device
US20090085861A1 (en) * 2007-09-28 2009-04-02 Ki-Chan Lee Backlight driver and liquid crystal display including the same
US20090147534A1 (en) * 2006-05-26 2009-06-11 Sharp Kabushiki Kaisha Backlight device and display device using the same
US20100014278A1 (en) * 2008-07-17 2010-01-21 Tzeng-Ke Shiau Optical film and Backlight Module using the same
US20100245228A1 (en) * 2009-03-24 2010-09-30 Apple Inc. Aging based white point control in backlights

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200725078A (en) * 2005-12-16 2007-07-01 Gigno Technology Co Ltd Backlight module and driving circuit module thereof
KR100780205B1 (ko) * 2006-04-21 2007-11-27 삼성전기주식회사 액정표시장치용 백라이트 유닛
TWI401507B (zh) * 2009-10-16 2013-07-11 Au Optronics Corp 背光模組以及顯示器

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080117184A1 (en) * 2000-11-30 2008-05-22 Palm, Inc. Flexible screen display with touch sensor in a portable computer
US6932498B2 (en) * 2002-07-04 2005-08-23 Koito Manufacturing Co., Ltd. Vehicular lamp
US20060132423A1 (en) * 2003-06-06 2006-06-22 Travis Adrian R L Scanning backlight for flat-panel display
US20080198117A1 (en) * 2005-03-11 2008-08-21 Takeshi Kumakura Display Device, Liquid Crystal Monitor, Liquid Crystal Television Receiver, and Display Method
US20070013647A1 (en) * 2005-07-15 2007-01-18 Samsung Electro-Mechanics Co., Ltd. Surface light source using LED and backlight unit having the surface light source
US20070052662A1 (en) * 2005-09-05 2007-03-08 Samsung Electronics Co., Ltd. Liquid crystal display and method of controlling the same
US20090147534A1 (en) * 2006-05-26 2009-06-11 Sharp Kabushiki Kaisha Backlight device and display device using the same
US20080238859A1 (en) * 2007-04-02 2008-10-02 Lg.Philips Lcd Co., Ltd. Lamp driving apparatus for liquid crystal display device
US20090085861A1 (en) * 2007-09-28 2009-04-02 Ki-Chan Lee Backlight driver and liquid crystal display including the same
US20100014278A1 (en) * 2008-07-17 2010-01-21 Tzeng-Ke Shiau Optical film and Backlight Module using the same
US20100245228A1 (en) * 2009-03-24 2010-09-30 Apple Inc. Aging based white point control in backlights

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150235598A1 (en) * 2009-10-16 2015-08-20 Au Optronics Corporation Backlight module and display apparatus
US9245483B2 (en) * 2009-10-16 2016-01-26 Au Optronics Corporation Backlight module and display apparatus
US20120019995A1 (en) * 2010-07-26 2012-01-26 Hon Hai Precision Industry Co., Ltd. Embedded system and method for adjusting content
US20130241962A1 (en) * 2012-03-14 2013-09-19 Samsung Display Co., Ltd. Light source module and display device including the same
US9117388B2 (en) * 2012-03-14 2015-08-25 Samsung Display Co., Ltd. Light source module and display device including the same
US20170219764A1 (en) * 2012-07-27 2017-08-03 Shenzhen China Star Optoelectronics Technology Co., Ltd. Side-edge backlight module having non-uniformly sized backlight sections and design method thereof
US20150130850A1 (en) * 2013-11-12 2015-05-14 Nvidia Corporation Method and apparatus to provide a lower power user interface on an lcd panel through localized backlight control
US9740046B2 (en) * 2013-11-12 2017-08-22 Nvidia Corporation Method and apparatus to provide a lower power user interface on an LCD panel through localized backlight control
WO2022056887A1 (en) * 2020-09-19 2022-03-24 Huawei Technologies Co., Ltd. Display device and driving method thereof

Also Published As

Publication number Publication date
US9245483B2 (en) 2016-01-26
TWI401507B (zh) 2013-07-11
TW201115227A (en) 2011-05-01
US20150235598A1 (en) 2015-08-20

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Legal Events

Date Code Title Description
AS Assignment

Owner name: AU OPTRONICS CORPORATION, TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LIAO, SUPER;HSU, PO-CHUN;CHANG, CHIH-WEI;REEL/FRAME:023880/0989

Effective date: 20091216

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION