ATE542213T1 - Led steuerkreisschaltung einer anzeige - Google Patents

Led steuerkreisschaltung einer anzeige

Info

Publication number
ATE542213T1
ATE542213T1 AT04714887T AT04714887T ATE542213T1 AT E542213 T1 ATE542213 T1 AT E542213T1 AT 04714887 T AT04714887 T AT 04714887T AT 04714887 T AT04714887 T AT 04714887T AT E542213 T1 ATE542213 T1 AT E542213T1
Authority
AT
Austria
Prior art keywords
circuit
display led
parallel
resistor
constant current
Prior art date
Application number
AT04714887T
Other languages
English (en)
Inventor
Chiaki Nakajima
Original Assignee
Komaden 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 Komaden Corp filed Critical Komaden Corp
Application granted granted Critical
Publication of ATE542213T1 publication Critical patent/ATE542213T1/de

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
    • G09G3/22Control 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 using controlled light sources
    • G09G3/30Control 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 using controlled light sources using electroluminescent panels
    • G09G3/32Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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
    • G09G3/04Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14Semiconductor devices, e.g. diodes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits
    • H05B45/44Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809Several active elements per pixel in active matrix panels
    • G09G2300/0814Several active elements per pixel in active matrix panels used for selection purposes, e.g. logical AND for partial update
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/088Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements using a non-linear two-terminal element
    • 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
    • G09G3/2003Display of colours

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)
  • Led Devices (AREA)
  • Control Of El Displays (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
AT04714887T 2003-04-16 2004-02-26 Led steuerkreisschaltung einer anzeige ATE542213T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003111535A JP4409200B2 (ja) 2003-04-16 2003-04-16 表示用ledの駆動回路
PCT/JP2004/002288 WO2004093040A1 (ja) 2003-04-16 2004-02-26 表示用ledの駆動回路

Publications (1)

Publication Number Publication Date
ATE542213T1 true ATE542213T1 (de) 2012-02-15

Family

ID=33295998

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04714887T ATE542213T1 (de) 2003-04-16 2004-02-26 Led steuerkreisschaltung einer anzeige

Country Status (5)

Country Link
US (1) US7808460B2 (de)
EP (1) EP1615195B1 (de)
JP (1) JP4409200B2 (de)
AT (1) ATE542213T1 (de)
WO (1) WO2004093040A1 (de)

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JP2005257790A (ja) * 2004-03-09 2005-09-22 Olympus Corp 照明装置及びそれを用いた画像投影装置
JP2006135227A (ja) * 2004-11-09 2006-05-25 Funai Electric Co Ltd 発光ダイオードの点灯回路および制御方法
CA2589207C (en) 2004-11-23 2014-01-28 Tir Systems Ltd. Apparatus and method for controlling colour and colour temperature of light generated by a digitally controlled luminaire
US7081722B1 (en) * 2005-02-04 2006-07-25 Kimlong Huynh Light emitting diode multiphase driver circuit and method
JP4585398B2 (ja) * 2005-07-25 2010-11-24 サンクス株式会社 表示装置及び当該装置を有する検出センサ
JP5667361B2 (ja) * 2006-09-20 2015-02-12 コーニンクレッカ フィリップス エヌ ヴェ 発光素子制御システム及び該システムを有する照明システム
US8432102B2 (en) 2007-01-05 2013-04-30 Apple Inc. Systems and methods for multi-state switch networks
WO2008099979A2 (en) * 2007-02-15 2008-08-21 Xmpdisplay Co., Ltd. Apparatus for driving led display panel
WO2008126003A1 (en) * 2007-04-12 2008-10-23 Koninklijke Philips Electronics N.V. Light output device
US8277092B2 (en) 2007-10-12 2012-10-02 Truck-Lite Co., Llc Lamp assembly utilizing light emitting diodes
JP2009302296A (ja) * 2008-06-13 2009-12-24 Panasonic Electric Works Co Ltd 発光ダイオード駆動装置並びにそれを用いた照明器具、車室内用照明装置、車両用照明装置
EP2194760A1 (de) * 2008-12-08 2010-06-09 Delphi Technologies, Inc. Vorrichtung mit mehreren elektrisch in Serie geschalteten Leuchtmitteln
TWM382449U (en) * 2010-01-08 2010-06-11 Ying-Chia Chen Package of constant-current chip and light-emitting diode lamp drived by alternating current
US8330390B2 (en) * 2011-04-11 2012-12-11 Bridgelux, Inc. AC LED light source with reduced flicker
RU2479957C2 (ru) * 2011-06-01 2013-04-20 Алдер Оптомикэникел Корп. Способ и устройство для возбуждения светодиода
US20120306391A1 (en) * 2011-06-03 2012-12-06 Taiwan Semiconductor Manufacturing Company, Ltd. Modulized Full Operation Junction Ultra High Voltage (UHV) Device
US9357596B2 (en) * 2011-06-30 2016-05-31 Nokia Technologies Oy Drivers for loads such as light emitting diodes
DE112011105504B4 (de) * 2011-08-05 2016-11-03 Mitsubishi Electric Corp. LED-Beleuchtungseinrichtung
AT512603B1 (de) * 2012-02-24 2014-06-15 Zizala Lichtsysteme Gmbh LED-Ansteuerung für Lauflicht-Blinker
CN102917516B (zh) * 2012-11-14 2015-04-29 深圳市华星光电技术有限公司 解决恒流驱动芯片温度过高的方法及led灯条驱动电路
US9538593B2 (en) * 2012-11-14 2017-01-03 Shenzhen China Star Optoelectronics Technology Co., Ltd. Method for multiplying current of LED light bar and associated driving circuit thereof
US20140152186A1 (en) * 2012-11-30 2014-06-05 Shenzhen China Star Optoelectronics Co., Ltd Led backlight driving circuit, backlight module, and lcd device
CN104332124A (zh) * 2013-07-22 2015-02-04 珠海格力电器股份有限公司 数码管驱动电路及其控制方法
GB2544728B (en) 2015-11-17 2020-08-19 Facebook Tech Llc Redundancy in inorganic light emitting diode displays
US10600823B2 (en) 2015-09-02 2020-03-24 Facebook Technologies, Llc Assembly of semiconductor devices
GB2549734B (en) * 2016-04-26 2020-01-01 Facebook Tech Llc A display
GB2541970B (en) 2015-09-02 2020-08-19 Facebook Tech Llc Display manufacture
WO2018090659A1 (zh) * 2016-11-18 2018-05-24 广东野光源视力保健研究院 显示器发光参数动态调节方法和显示装置
CN106935221B (zh) * 2017-05-18 2020-04-14 京东方科技集团股份有限公司 像素驱动电路、阵列基板及显示装置
CN107819609A (zh) * 2017-10-18 2018-03-20 上海斐讯数据通信技术有限公司 一种路由器状态信息显示方法及系统、一种路由器
DE102018216937A1 (de) * 2018-10-02 2020-04-02 Robert Bosch Gmbh Anzeigevorrichtung für einen Akkupack
CN113393806B (zh) * 2021-06-30 2023-01-03 上海天马微电子有限公司 显示面板以及显示装置

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JPS60131093U (ja) * 1984-02-07 1985-09-02 日本電気株式会社 発光ダイオ−ド駆動回路
JPH07101333B2 (ja) * 1987-04-13 1995-11-01 小糸工業株式会社 情報表示装置
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JPH0567810A (ja) 1991-09-09 1993-03-19 Nec Corp 発光ダイオード駆動回路
JPH0659886A (ja) 1992-04-02 1994-03-04 Nec Corp 演算回路
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JPH11288252A (ja) 1998-04-01 1999-10-19 Daichu Denshi:Kk 点灯装置およびこれを用いた拡張型表示装置
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Also Published As

Publication number Publication date
EP1615195B1 (de) 2012-01-18
WO2004093040A1 (ja) 2004-10-28
US7808460B2 (en) 2010-10-05
JP4409200B2 (ja) 2010-02-03
EP1615195A4 (de) 2007-06-20
EP1615195A1 (de) 2006-01-11
US20060197722A1 (en) 2006-09-07
JP2004317786A (ja) 2004-11-11

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