BR112012004582A2 - dispositivo acionador, unidade de iluminação de fundo e dispositivo de exibição de imagem - Google Patents

dispositivo acionador, unidade de iluminação de fundo e dispositivo de exibição de imagem

Info

Publication number
BR112012004582A2
BR112012004582A2 BR112012004582A BR112012004582A BR112012004582A2 BR 112012004582 A2 BR112012004582 A2 BR 112012004582A2 BR 112012004582 A BR112012004582 A BR 112012004582A BR 112012004582 A BR112012004582 A BR 112012004582A BR 112012004582 A2 BR112012004582 A2 BR 112012004582A2
Authority
BR
Brazil
Prior art keywords
image display
backlight unit
display device
trigger
trigger device
Prior art date
Application number
BR112012004582A
Other languages
English (en)
Inventor
Kohji Fujiwara
Takayuki Murai
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 BR112012004582A2 publication Critical patent/BR112012004582A2/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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • 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
    • 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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (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 Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
BR112012004582A 2009-08-31 2010-03-10 dispositivo acionador, unidade de iluminação de fundo e dispositivo de exibição de imagem BR112012004582A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009199214 2009-08-31
PCT/JP2010/053973 WO2011024496A1 (ja) 2009-08-31 2010-03-10 ドライバ装置、バックライトユニット、および画像表示装置

Publications (1)

Publication Number Publication Date
BR112012004582A2 true BR112012004582A2 (pt) 2016-04-05

Family

ID=43627610

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012004582A BR112012004582A2 (pt) 2009-08-31 2010-03-10 dispositivo acionador, unidade de iluminação de fundo e dispositivo de exibição de imagem

Country Status (7)

Country Link
US (1) US8872756B2 (pt)
EP (1) EP2458428A4 (pt)
JP (1) JP5112561B2 (pt)
CN (1) CN102472906B (pt)
BR (1) BR112012004582A2 (pt)
RU (1) RU2012112508A (pt)
WO (1) WO2011024496A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013021761A1 (ja) * 2011-08-05 2013-02-14 シャープ株式会社 バックライト装置および液晶表示装置
CN102402952A (zh) * 2011-11-30 2012-04-04 江苏奇异点网络有限公司 直下式led背光源装置
TWI467549B (zh) * 2012-08-10 2015-01-01 Novatek Microelectronics Corp 驅動器架構及其驅動方法
CN102800282B (zh) * 2012-08-17 2014-10-22 苏州君嬴电子科技有限公司 一种led显示屏的识别方法及识别系统
DE102013206536A1 (de) 2013-04-12 2014-10-16 Zumtobel Lighting Gmbh Verfahren zum Ansteuern einer Leuchte mit mehreren Teileinheiten
WO2017098684A1 (ja) * 2015-12-09 2017-06-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 映像表示方法および映像表示装置
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
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
US11442312B2 (en) * 2020-05-22 2022-09-13 Apple Inc. Electronic device display with a backlight having light-emitting diodes and driver integrated circuits in an active area
CN111540318B (zh) * 2020-07-10 2020-10-23 北京显芯科技有限公司 Led控制系统、设备、方法及存储介质
CN113035141A (zh) * 2021-03-19 2021-06-25 维沃移动通信有限公司 显示屏、显示屏驱动方法、装置、电子设备及存储介质
WO2022266810A1 (zh) * 2021-06-21 2022-12-29 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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5990802A (en) * 1998-05-18 1999-11-23 Smartlite Communications, Inc. Modular LED messaging sign panel and display system
JP4030471B2 (ja) * 2003-06-06 2008-01-09 日本テキサス・インスツルメンツ株式会社 パルス信号生成回路
JP4720099B2 (ja) 2004-04-20 2011-07-13 ソニー株式会社 定電流駆動装置、バックライト光源装置及びカラー液晶表示装置
CN100530706C (zh) * 2004-07-12 2009-08-19 索尼株式会社 用于驱动背光单元的装置和方法
JP2007305742A (ja) 2006-05-10 2007-11-22 Sharp Corp Ｌｅｄ光源装置
KR101288593B1 (ko) * 2006-10-16 2013-07-22 엘지디스플레이 주식회사 발광 다이오드 구동 장치 및 이를 이용한 액정 표시 장치
US8228272B2 (en) * 2006-12-22 2012-07-24 Hong Kong Applied Science And Technlogy Research Institute Company Limited Backlight device and liquid crystal display incorporating the backlight device
JP5110355B2 (ja) * 2007-07-09 2012-12-26 Ｎｌｔテクノロジー株式会社 液晶表示装置のバックライト駆動方法及びその装置並びに液晶表示装置
KR20090047061A (ko) * 2007-11-07 2009-05-12 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
KR101394435B1 (ko) * 2007-09-28 2014-05-14 삼성디스플레이 주식회사 백라이트 드라이버 및 이를 포함하는 액정 표시 장치
JP5320738B2 (ja) * 2007-12-28 2013-10-23 ソニー株式会社 発光制御システムおよび画像表示システム
JP2009294282A (ja) * 2008-06-03 2009-12-17 Videocon Industries Ltd バックライトおよび液晶ディスプレイ
TWI408643B (zh) * 2008-09-18 2013-09-11 Richtek Technology Corp Ｌｅｄ顯示系統及其控制方法以及該ｌｅｄ顯示系統的驅動器及其控制方法
KR20100034873A (ko) * 2008-09-25 2010-04-02 삼성전자주식회사 백라이트 장치 및 그것의 구동 방법

Also Published As

Publication number Publication date
EP2458428A4 (en) 2013-08-07
CN102472906B (zh) 2014-09-24
RU2012112508A (ru) 2013-10-10
JP5112561B2 (ja) 2013-01-09
WO2011024496A1 (ja) 2011-03-03
CN102472906A (zh) 2012-05-23
EP2458428A1 (en) 2012-05-30
US8872756B2 (en) 2014-10-28
JPWO2011024496A1 (ja) 2013-01-24
US20120139823A1 (en) 2012-06-07

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 4A, 5A E 6A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2384 DE 13-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.