CN104106315B - Led矩阵管理器 - Google Patents

Led矩阵管理器 Download PDF

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Publication number
CN104106315B
CN104106315B CN201380006655.3A CN201380006655A CN104106315B CN 104106315 B CN104106315 B CN 104106315B CN 201380006655 A CN201380006655 A CN 201380006655A CN 104106315 B CN104106315 B CN 104106315B
Authority
CN
China
Prior art keywords
circuit
switch
data
led
leds
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.)
Active
Application number
CN201380006655.3A
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English (en)
Chinese (zh)
Other versions
CN104106315A (zh
Inventor
G·法拉提尼
E·如特载尔
J·莫里尼
A·狄寨拜尔
G·索奇
G·利西
R·苏布拉马尼亚姆
K·马哈茂戴
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CN104106315A publication Critical patent/CN104106315A/zh
Application granted granted Critical
Publication of CN104106315B publication Critical patent/CN104106315B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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]
    • 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
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators

Landscapes

  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN201380006655.3A 2012-01-26 2013-01-28 Led矩阵管理器 Active CN104106315B (zh)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US201261591215P 2012-01-26 2012-01-26
US201261591226P 2012-01-26 2012-01-26
US201261591220P 2012-01-26 2012-01-26
US201261591223P 2012-01-26 2012-01-26
US61/591,226 2012-01-26
US61/591,220 2012-01-26
US61/591,215 2012-01-26
US61/591,223 2012-01-26
US201261593624P 2012-02-01 2012-02-01
US61/593,624 2012-02-01
US13/690,235 US9491838B2 (en) 2012-01-26 2012-11-30 LED matrix manager
US13/690,235 2012-11-30
PCT/US2013/023385 WO2013112985A1 (en) 2012-01-26 2013-01-28 Led matrix manager

Publications (2)

Publication Number Publication Date
CN104106315A CN104106315A (zh) 2014-10-15
CN104106315B true CN104106315B (zh) 2017-08-15

Family

ID=48869631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380006655.3A Active CN104106315B (zh) 2012-01-26 2013-01-28 Led矩阵管理器

Country Status (4)

Country Link
US (1) US9491838B2 (enExample)
JP (1) JP6106696B2 (enExample)
CN (1) CN104106315B (enExample)
WO (1) WO2013112985A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103427395B (zh) * 2012-05-21 2017-03-01 台达电子工业股份有限公司 开路保护电路、开路保护方法以及照明装置
FR3020122B1 (fr) * 2014-04-22 2018-07-13 Renault S.A.S. Procede de pilotage d'un feu de signalisation ou d'eclairage a diodes electroluminescentes pour vehicule automobile
JP6436226B2 (ja) * 2015-02-23 2018-12-12 サンケン電気株式会社 発光負荷の駆動装置及び発光装置
US10021746B2 (en) 2015-03-09 2018-07-10 Koninklijke Philips N.V. LED lighting circuit with controllable LED matrix
JP6510921B2 (ja) * 2015-07-17 2019-05-08 ローム株式会社 チャージポンプ、スイッチ駆動装置、発光装置、車両
JP6481553B2 (ja) * 2015-07-28 2019-03-13 株式会社デンソー スイッチング素子駆動回路
NL2015922B1 (en) * 2015-12-08 2017-06-28 Eldolab Holding Bv Control circuit for an LED fixture.
CN106068046A (zh) * 2016-04-27 2016-11-02 佛山市锐霸电子有限公司 多路光源调节电路
US9769898B1 (en) 2016-12-08 2017-09-19 Nxp B.V. Adjusted pulse width modulation (PWM) curve calculations for improved accuracy
DE102016225800B3 (de) 2016-12-21 2018-05-30 Lear Corporation Verfahren zum überwachen des betriebszustands einer led in einer fahrzeugleuchtenanordnung
US9894733B1 (en) * 2016-12-22 2018-02-13 Nxp B.V. Standalone light emitting diode (LED) controller
JP2019129108A (ja) * 2018-01-26 2019-08-01 セイコーエプソン株式会社 光源装置、投写型表示装置、及び、半導体装置
TWI698846B (zh) * 2019-03-22 2020-07-11 大陸商北京集創北方科技股份有限公司 具led開路檢測功能的led顯示驅動電路、led開路檢測方法及led顯示裝置
KR102253256B1 (ko) * 2019-08-13 2021-05-20 주식회사 레커스 인터페이싱 라인의 수를 최소화하는 led 디스플레이 모듈
DE102020133516A1 (de) 2019-12-24 2021-06-24 Silicon Works Co., Ltd. Abwärts-aufwärts-wandlerschaltung
KR102724392B1 (ko) 2020-02-26 2024-11-01 삼성전자주식회사 디스플레이 모듈 및 디스플레이 장치
CN112967665B (zh) 2021-02-20 2023-08-15 厦门天马微电子有限公司 发光元件控制电路、显示面板和显示装置
CN119207294B (zh) * 2024-10-28 2025-08-08 北京芯格诺微电子有限公司 Led驱动系统及驱动方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080191642A1 (en) * 2005-04-08 2008-08-14 Wart Hog Ii Holding B.V. Methods and Apparatus for Operating Groups of High-Power Leds
US7649326B2 (en) * 2006-03-27 2010-01-19 Texas Instruments Incorporated Highly efficient series string LED driver with individual LED control
US20100109557A1 (en) * 2008-11-06 2010-05-06 Osram Sylvania, Inc. Floating Switch Controlling LED Array Segment
US7800876B2 (en) * 2006-01-09 2010-09-21 Microsemi Corp. - Analog Mixed Signal Group Ltd. Fault detection mechanism for LED backlighting
CN201663727U (zh) * 2009-12-18 2010-12-01 国琏电子（上海）有限公司 旁路保护电路及使用其的发光二极管驱动装置
US20110273102A1 (en) * 2010-05-07 2011-11-10 Van De Ven Antony P Ac driven solid state lighting apparatus with led string including switched segments
CN102318440A (zh) * 2007-08-24 2012-01-11 塞瑞斯逻辑公司 多led控制

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7075251B2 (en) * 2003-12-05 2006-07-11 General Electric Company Universal platform for phase dimming discharge lighting ballast and lamp
US7723926B2 (en) * 2006-05-15 2010-05-25 Supertex, Inc. Shunting type PWM dimming circuit for individually controlling brightness of series connected LEDS operated at constant current and method therefor
US7675248B2 (en) * 2007-06-01 2010-03-09 Honeywell International Inc. Dual mode searchlight dimming controller systems and methods
JP5042798B2 (ja) 2007-12-17 2012-10-03 株式会社小糸製作所 車両用灯具の点灯制御装置
TWI400989B (zh) * 2008-05-30 2013-07-01 Green Solution Technology Inc 發光二極體驅動電路及其控制器
JP2010123644A (ja) 2008-11-18 2010-06-03 Sharp Corp Ｌｅｄ照明装置
DE102010031219A1 (de) * 2010-07-12 2012-01-12 Osram Gesellschaft mit beschränkter Haftung Schaltungsanordnung und Verfahren zum Betreiben mindestens einer Entladungslampe
US8575862B2 (en) * 2011-04-22 2013-11-05 Adb Airfield Solutions Power supply for airfield lighting

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080191642A1 (en) * 2005-04-08 2008-08-14 Wart Hog Ii Holding B.V. Methods and Apparatus for Operating Groups of High-Power Leds
US7800876B2 (en) * 2006-01-09 2010-09-21 Microsemi Corp. - Analog Mixed Signal Group Ltd. Fault detection mechanism for LED backlighting
US7649326B2 (en) * 2006-03-27 2010-01-19 Texas Instruments Incorporated Highly efficient series string LED driver with individual LED control
CN102318440A (zh) * 2007-08-24 2012-01-11 塞瑞斯逻辑公司 多led控制
US20100109557A1 (en) * 2008-11-06 2010-05-06 Osram Sylvania, Inc. Floating Switch Controlling LED Array Segment
CN201663727U (zh) * 2009-12-18 2010-12-01 国琏电子（上海）有限公司 旁路保护电路及使用其的发光二极管驱动装置
US20110273102A1 (en) * 2010-05-07 2011-11-10 Van De Ven Antony P Ac driven solid state lighting apparatus with led string including switched segments

Also Published As

Publication number Publication date
US9491838B2 (en) 2016-11-08
US20130193852A1 (en) 2013-08-01
WO2013112985A1 (en) 2013-08-01
JP2015510667A (ja) 2015-04-09
CN104106315A (zh) 2014-10-15
JP6106696B2 (ja) 2017-04-05

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