BRPI0915892A2 - dispositivo e método de acionamento de luz de fundo - Google Patents

dispositivo e método de acionamento de luz de fundo

Info

Publication number
BRPI0915892A2
BRPI0915892A2 BRPI0915892A BRPI0915892A BRPI0915892A2 BR PI0915892 A2 BRPI0915892 A2 BR PI0915892A2 BR PI0915892 A BRPI0915892 A BR PI0915892A BR PI0915892 A BRPI0915892 A BR PI0915892A BR PI0915892 A2 BRPI0915892 A2 BR PI0915892A2
Authority
BR
Brazil
Prior art keywords
backlight
triggering device
triggering
backlight triggering
Prior art date
Application number
BRPI0915892A
Other languages
English (en)
Inventor
Akira Tomiyoshi
Ken Nakazawa
Manabu Yamamoto
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0915892A2 publication Critical patent/BRPI0915892A2/pt

Links

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour of the light using temperature feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
BRPI0915892A 2008-07-11 2009-06-24 dispositivo e método de acionamento de luz de fundo BRPI0915892A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008181017 2008-07-11
PCT/JP2009/061485 WO2010004871A1 (ja) 2008-07-11 2009-06-24 バックライト駆動装置、それを備える表示装置、およびバックライト駆動方法

Publications (1)

Publication Number Publication Date
BRPI0915892A2 true BRPI0915892A2 (pt) 2015-11-03

Family

ID=41506990

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915892A BRPI0915892A2 (pt) 2008-07-11 2009-06-24 dispositivo e método de acionamento de luz de fundo

Country Status (7)

Country Link
US (1) US20110096099A1 (pt)
EP (1) EP2299434A4 (pt)
JP (1) JPWO2010004871A1 (pt)
CN (1) CN102077266A (pt)
BR (1) BRPI0915892A2 (pt)
RU (1) RU2455670C1 (pt)
WO (1) WO2010004871A1 (pt)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9018858B2 (en) 2008-09-24 2015-04-28 B/E Aerospace, Inc. Calibration method for LED lighting systems
JP2013521594A (ja) 2010-02-25 2013-06-10 ビーイー・エアロスペース・インコーポレーテッド Ｌｅｄ照明素子
EP2539227A4 (en) * 2010-02-25 2014-04-02 Be Aerospace Inc PLANE LED HEADLIGHT SYSTEM AND CONTROL PROCESS THEREFOR
JP2011197168A (ja) * 2010-03-18 2011-10-06 Sharp Corp 表示装置及び表示方法
TWI415519B (zh) * 2010-06-25 2013-11-11 Macroblock Inc A control device for segmented control of a light emitting diode
JP5628604B2 (ja) * 2010-09-07 2014-11-19 ミツミ電機株式会社 バックライト装置、該バックライト装置を備えた表示装置及び照明装置
US8779696B2 (en) * 2011-10-24 2014-07-15 Advanced Analogic Technologies, Inc. Low cost LED driver with improved serial bus
US9288861B2 (en) * 2011-12-08 2016-03-15 Advanced Analogic Technologies Incorporated Serial lighting interface with embedded feedback
US9232587B2 (en) 2011-09-30 2016-01-05 Advanced Analogic Technologies, Inc. Low cost LED driver with integral dimming capability
JP2013182076A (ja) * 2012-02-29 2013-09-12 Toshiba Corp 映像表示装置および発光装置
CN103857106B (zh) * 2012-11-29 2016-05-18 利亚德光电股份有限公司 Led驱动电路及控制***
US11570866B2 (en) 2014-10-22 2023-01-31 Semisilicon Technology Corp. Pixel-controlled LED light string and method of operating the same
US10187935B2 (en) 2014-10-22 2019-01-22 Semisilicon Technology Corp. Light emitting diode lamp with burnable function and light emitting diode lamp string with burnable function
US10874010B2 (en) 2014-10-22 2020-12-22 Semisilicon Technology Corp. Pixel-controlled LED light with burnable sequence and method of operating the same
US9930734B2 (en) * 2014-10-22 2018-03-27 Semisilicon Technology Corp. Light emitting diode lamp with burnable function and light emitting diode lamp string with burnable function
US11617241B2 (en) 2014-10-22 2023-03-28 Semisilicon Technology Corp. Pixel-controlled LED light string and method of operating the same
US10231303B2 (en) 2014-10-22 2019-03-12 Semisilicon Technology Corp. Light emitting diode lamp receiving contactless burning signal and system for the same and burning address method for the same
US9805693B2 (en) * 2014-12-04 2017-10-31 Samsung Display Co., Ltd. Relay-based bidirectional display interface
CN105390089B (zh) * 2015-12-15 2019-02-01 深圳Tcl新技术有限公司 背光***的验证装置
KR102548857B1 (ko) * 2016-11-30 2023-06-29 삼성디스플레이 주식회사 표시 장치 및 이를 이용한 표시 패널의 구동 방법
JP2018124458A (ja) 2017-02-01 2018-08-09 パナソニック液晶ディスプレイ株式会社 液晶バックライト装置及び表示装置
CN107316604B (zh) * 2017-08-22 2019-06-14 开源集成电路(苏州)有限公司 一种led显示屏单元板的并行总线装置
US11710464B2 (en) 2018-05-03 2023-07-25 Darfon Electronics Corp. Display device and backlight apparatus thereof
TWI642979B (zh) 2018-05-03 2018-12-01 達方電子股份有限公司 背光裝置
CN109064980A (zh) * 2018-09-25 2018-12-21 四川长虹电器股份有限公司 液晶屏背光多分区控制装置
US10791604B2 (en) 2018-12-28 2020-09-29 Semisilicon Technology Corp. Cascading LED lights with low power consumption
CN109951919B (zh) * 2018-12-28 2020-05-15 矽诚科技股份有限公司 载波控制的发光二极管灯及发光二极管灯串
US11289011B2 (en) 2019-08-24 2022-03-29 Huayuan Semiconductor (Shenzhen) Limited Company Power line communication in a display device with distributed driver circuits
TWI757984B (zh) 2019-11-20 2022-03-11 聯詠科技股份有限公司 顯示驅動系統及用於顯示驅動系統的方法
TWI723669B (zh) * 2019-12-06 2021-04-01 新唐科技股份有限公司 背光裝置及驅動方法
CN111210781B (zh) * 2020-03-09 2022-10-14 诺肯科技股份有限公司 Led背光驱动电路及其位址设定方法
KR102285564B1 (ko) * 2020-04-09 2021-08-04 (주)실리콘인사이드 고장 검출 가능한 ｌｅｄ 백라이트 유닛
US11276345B2 (en) * 2020-05-22 2022-03-15 Huayuan Semiconductor (Shenzhen) Limited Company Display device with feedback via parallel connections from distributed driver circuits to a single wire interface
CN113744694A (zh) * 2020-05-29 2021-12-03 脸谱科技有限责任公司 全局控制的局部调光
KR102271828B1 (ko) 2020-06-22 2021-07-01 주식회사 글로벌테크놀로지 디스플레이를 위한 백라이트 장치
US10909911B1 (en) 2020-09-18 2021-02-02 Huayuan Semiconductor (Shenzhen) Limited Company Display device with distributed driver circuits and shared multi-wire communication interface for dimming data
KR102429326B1 (ko) * 2021-03-18 2022-08-04 주식회사 글로벌테크놀로지 디스플레이를 위한 백라이트 장치
CN115968493A (zh) * 2021-06-21 2023-04-14 京东方科技集团股份有限公司 驱动器电路及其驱动方法、阵列基板和显示装置
KR102363928B1 (ko) 2021-07-23 2022-02-17 주식회사 웰랑 로컬 디밍을 위한 led 드라이버, 발광 모듈 및 디스플레이 장치
CN114093314B (zh) * 2022-01-19 2022-08-30 北京显芯科技有限公司 一种地址设定方法、设备和显示装置
CN116781666B (zh) * 2023-06-15 2024-02-13 北京显芯科技有限公司 一种地址配置方法、背光控制装置及显示装置
CN116743705B (zh) * 2023-06-15 2023-12-05 北京显芯科技有限公司 一种地址配置方法、背光控制装置及显示装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3675720B2 (ja) * 2001-01-31 2005-07-27 オムロン株式会社 バックライト制御方法および表示装置
JP4029743B2 (ja) * 2003-02-24 2008-01-09 ソニー株式会社 バックライト
JP4612406B2 (ja) * 2004-02-09 2011-01-12 株式会社日立製作所 液晶表示装置
JP4241487B2 (ja) * 2004-04-20 2009-03-18 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
US20060097978A1 (en) * 2004-10-22 2006-05-11 Ng Kee Y Field-sequential color display with feedback control
US7538755B2 (en) * 2004-11-02 2009-05-26 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. System, method and apparatus using addressable light sensors
JP4438722B2 (ja) * 2004-11-19 2010-03-24 ソニー株式会社 バックライト駆動装置、バックライト駆動方法及び液晶表示装置
KR100670581B1 (ko) * 2005-02-18 2007-01-17 삼성전자주식회사 Ｌｅｄ구동장치
JP4514674B2 (ja) * 2005-08-16 2010-07-28 シャープ株式会社 表示装置、表示パネル用基板および表示パネル用基板の製造方法
US20070268236A1 (en) * 2006-05-17 2007-11-22 Neil Morrow Methods and systems for LCD backlight color control
JP4725529B2 (ja) 2007-02-13 2011-07-13 ソニー株式会社 バックライト駆動装置、表示装置
TWI374419B (en) * 2007-05-15 2012-10-11 Analog Integrations Corp Control circuit of area control driving circuit for led light source and controlling method thereof

Also Published As

Publication number Publication date
US20110096099A1 (en) 2011-04-28
WO2010004871A1 (ja) 2010-01-14
EP2299434A4 (en) 2012-01-18
JPWO2010004871A1 (ja) 2012-01-05
CN102077266A (zh) 2011-05-25
RU2455670C1 (ru) 2012-07-10
EP2299434A1 (en) 2011-03-23

Similar Documents

Publication Publication Date Title
BRPI0915892A2 (pt) dispositivo e método de acionamento de luz de fundo
BRPI0807225A2 (pt) Dispositivo e método endocirúrgico
BRPI0816907A2 (pt) Método e dispositivo
BRPI0914267A2 (pt) dispositivo de exibição e dispositivo e elétrico
BRPI0918563A2 (pt) dispositivo distribuidor de sensor fisiológico e método
BRPI0811561A2 (pt) Dispositivo de iluminação e método de iluminação
BRPI0823091A2 (pt) Metodo e aparelho de comunicacao
BRPI0921298A2 (pt) dispositivo de exibição
BRPI1008917A2 (pt) dispositivo de exibição e método de exibição
BRPI0822306A2 (pt) Dispositivo de exibição
BRPI0815365A2 (pt) Dispositivo de radiocomunicação e método de radiocomunicação
BRPI0904808A2 (pt) Elemento óptico, e, dispositivo de exibição
BRPI0915835A2 (pt) dispositivo de exibição de imagem e método de exibição de imagem
BRPI0914558A2 (pt) dispositivo e métodos de manuseio tunular
BRPI0913752A2 (pt) método, dispositivo, e, estrutura
BRPI0822414A2 (pt) Conjunto de dispositivo intramedular e método associado
BRPI0909644A2 (pt) dispositivo de foto-epilação
ITMI20070398A1 (it) Dispositivo di comando per bicicletta e bicicletta che lo comprende
BRPI0917905A2 (pt) dispositivo de memória e método do mesmo
BRPI0915993A2 (pt) dispositivo de alarme
BRPI0822030A2 (pt) Dispositivo de monitor e método para acionar dispositivo de monitor
BRPI0917382A2 (pt) dispositivo de exibicao de imagem e metodo de exibicao de imagem
BRPI0922991A2 (pt) metodo de comunicaco e dispositivo de comunicacao
BRPI0913252A2 (pt) dispositivo de display
ITMI20070397A1 (it) Dispositivo di comando per bicicletta e bicicletta che lo comprende

Legal Events

Date Code Title Description
B10A Cessation: cessation confirmed

Free format text: HOMOLOGADA A DESISTENCIA DO PEDIDO, SOLICITADA ATRAVES DA PETICAO INPI/RJ NO 020130061361 DE 11/07/2013.