CN103975649B - 具有非线性补偿功能的设备驱动器 - Google Patents

具有非线性补偿功能的设备驱动器 Download PDF

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Publication number
CN103975649B
CN103975649B CN201280060148.3A CN201280060148A CN103975649B CN 103975649 B CN103975649 B CN 103975649B CN 201280060148 A CN201280060148 A CN 201280060148A CN 103975649 B CN103975649 B CN 103975649B
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China
Prior art keywords
compensation
led
circuit
drive signal
parameter
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CN201280060148.3A
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Chinese (zh)
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CN103975649A (zh
Inventor
D·J·芬索尔
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Texas Instruments Inc
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Texas Instruments Inc
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    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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
    • H05B45/347—Dynamic headroom control [DHC]
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CN201280060148.3A 2011-10-06 2012-10-08 具有非线性补偿功能的设备驱动器 Active CN103975649B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/267,156 2011-10-06
US13/267,156 US9370064B2 (en) 2011-10-06 2011-10-06 LED driver having non-linear compensation
PCT/US2012/059212 WO2013052941A1 (en) 2011-10-06 2012-10-08 Device driver having non-linear compensation

Publications (2)

Publication Number Publication Date
CN103975649A CN103975649A (zh) 2014-08-06
CN103975649B true CN103975649B (zh) 2017-06-27

Family

ID=48041653

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280060148.3A Active CN103975649B (zh) 2011-10-06 2012-10-08 具有非线性补偿功能的设备驱动器

Country Status (4)

Country Link
US (1) US9370064B2 (enExample)
JP (1) JP2014528653A (enExample)
CN (1) CN103975649B (enExample)
WO (1) WO2013052941A1 (enExample)

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US8928246B2 (en) 2012-04-20 2015-01-06 Apple Inc. Detection circuit for keyboard cable
US9076357B2 (en) * 2012-11-16 2015-07-07 Apple Inc. Redundant operation of a backlight unit of a display device under a shorted LED condition
US20150289327A1 (en) * 2014-04-04 2015-10-08 Lumenpulse Lighting Inc. System and method for powering and controlling a solid state lighting unit
US9320090B2 (en) 2014-06-19 2016-04-19 Phoseon Technology, Inc. LED output response dampening for irradiance step response output
US9852677B2 (en) 2014-11-04 2017-12-26 Intel Corporation Dithering for image data to be displayed
JP6704911B2 (ja) 2014-11-12 2020-06-03 シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． ドライバ回路及び方法
CN105163418B (zh) * 2015-07-01 2017-11-28 深圳天珑无线科技有限公司 线性调光方法及装置
WO2017011905A1 (en) * 2015-07-17 2017-01-26 Lumastream Canada Ulc Method and system for controlling solid state lighting via dithering
CN105206228B (zh) * 2015-10-16 2018-01-02 矽恩微电子(厦门)有限公司 亮度线性变化自行调节的led扫描阵列驱动芯片和调节方法
US10064259B2 (en) 2016-05-11 2018-08-28 Ford Global Technologies, Llc Illuminated vehicle badge
CN106448578A (zh) * 2016-12-22 2017-02-22 广东欧珀移动通信有限公司 显示屏背光控制方法、装置和计算机设备
CN108012367B (zh) * 2017-07-18 2019-09-20 宁波方太厨具有限公司 一种led的pwm调光方法
EP3545993A1 (en) * 2018-03-29 2019-10-02 Tecpharma Licensing AG Status indicator for drug delivery systems
CN110389612B (zh) * 2018-04-17 2020-12-22 立锜科技股份有限公司 正负压驱动电路与其控制电路与控制方法
US10420179B1 (en) 2018-04-17 2019-09-17 Richtek Technology Corporation Driver circuit supplying positive and negative voltages and control circuit and control method thereof
US10825406B2 (en) * 2018-09-28 2020-11-03 Microsoft Technology Licensing, Llc LCD display backlight control system
CN110809346B (zh) * 2019-11-20 2020-07-14 天一照明（深圳）有限公司 灯光调节方法、灯光调节装置及终端设备
US11778715B2 (en) 2020-12-23 2023-10-03 Lmpg Inc. Apparatus and method for powerline communication control of electrical devices
US20230282153A1 (en) * 2022-03-07 2023-09-07 Stereyo Bv Methods and systems for non-linear compensation in display applications
US12037008B2 (en) 2022-04-07 2024-07-16 Toyota Research Institute, Inc. Systems and methods for communicating a blending parameter

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CN1934614A (zh) * 2004-03-26 2007-03-21 皇家飞利浦电子股份有限公司 包括可调整光源的显示装置
CN101425273A (zh) * 2007-11-01 2009-05-06 奇美电子股份有限公司 液晶驱动方法以及装置

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CN101425273A (zh) * 2007-11-01 2009-05-06 奇美电子股份有限公司 液晶驱动方法以及装置

Also Published As

Publication number Publication date
US9370064B2 (en) 2016-06-14
WO2013052941A1 (en) 2013-04-11
CN103975649A (zh) 2014-08-06
JP2014528653A (ja) 2014-10-27
US20130088171A1 (en) 2013-04-11

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