TW201705815A - 發光二極體驅動器 - Google Patents

發光二極體驅動器 Download PDF

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Publication number
TW201705815A
TW201705815A TW105133889A TW105133889A TW201705815A TW 201705815 A TW201705815 A TW 201705815A TW 105133889 A TW105133889 A TW 105133889A TW 105133889 A TW105133889 A TW 105133889A TW 201705815 A TW201705815 A TW 201705815A
Authority
TW
Taiwan
Prior art keywords
current
voltage
transistor
leds
sensor amplifier
Prior art date
Application number
TW105133889A
Other languages
English (en)
Chinese (zh)
Inventor
鄭載泓
金敏鐘
Original Assignee
阿特朗晶片系統公司
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
Priority claimed from US13/528,850 external-priority patent/US8901849B2/en
Application filed by 阿特朗晶片系統公司 filed Critical 阿特朗晶片系統公司
Publication of TW201705815A publication Critical patent/TW201705815A/zh

Links

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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
TW105133889A 2012-06-21 2013-05-02 發光二極體驅動器 TW201705815A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/528,850 US8901849B2 (en) 2010-12-11 2012-06-21 Light emitting diode driver

Publications (1)

Publication Number Publication Date
TW201705815A true TW201705815A (zh) 2017-02-01

Family

ID=49769193

Family Applications (2)

Application Number Title Priority Date Filing Date
TW102115714A TW201410069A (zh) 2012-06-21 2013-05-02 發光二極體驅動器
TW105133889A TW201705815A (zh) 2012-06-21 2013-05-02 發光二極體驅動器

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW102115714A TW201410069A (zh) 2012-06-21 2013-05-02 發光二極體驅動器

Country Status (3)

Country Link
KR (1) KR101676585B1 (ko)
TW (2) TW201410069A (ko)
WO (1) WO2013191806A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI758776B (zh) * 2018-02-19 2022-03-21 美商艾賽斯股份有限公司 積體電路設備及其操作方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI499352B (zh) * 2014-04-29 2015-09-01 Groups Tech Co Ltd Ｌｅｄ光引擎的電子控制裝置及其應用
FR3039943B1 (fr) * 2015-08-03 2017-09-01 Aledia Circuit optoelectronique a diodes electroluminescentes
US10568173B1 (en) 2018-12-21 2020-02-18 Chiplight Technology (Shenzhen) Co., Ltd. Dimmer circuit for use in light-emitting diode lighting system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4720209B2 (ja) * 2005-02-24 2011-07-13 ミツミ電機株式会社 基準電圧発生回路及び駆動回路
US8569956B2 (en) * 2009-06-04 2013-10-29 Point Somee Limited Liability Company Apparatus, method and system for providing AC line power to lighting devices
KR100940042B1 (ko) * 2009-07-22 2010-02-04 주식회사 동운아나텍 Ｌｅｄ 조명 구동 장치
KR100997050B1 (ko) * 2010-05-06 2010-11-29 주식회사 티엘아이 광량을 향상시키는 엘이디 조명 장치
US8476836B2 (en) * 2010-05-07 2013-07-02 Cree, Inc. AC driven solid state lighting apparatus with LED string including switched segments
WO2012034102A1 (en) * 2010-09-10 2012-03-15 Osram Sylvania Inc. Directly driven high efficiency led circuit
WO2012061999A1 (en) * 2010-11-12 2012-05-18 Shan C Sun Reactance led (light-emitting diode) lighting current control scheme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI758776B (zh) * 2018-02-19 2022-03-21 美商艾賽斯股份有限公司 積體電路設備及其操作方法

Also Published As

Publication number Publication date
KR101676585B1 (ko) 2016-11-15
WO2013191806A1 (en) 2013-12-27
KR20150032710A (ko) 2015-03-27
TW201410069A (zh) 2014-03-01

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