WO2011096649A3 - 엘이디 정전류 구동장치 - Google Patents
엘이디 정전류 구동장치 Download PDFInfo
- Publication number
- WO2011096649A3 WO2011096649A3 PCT/KR2011/000166 KR2011000166W WO2011096649A3 WO 2011096649 A3 WO2011096649 A3 WO 2011096649A3 KR 2011000166 W KR2011000166 W KR 2011000166W WO 2011096649 A3 WO2011096649 A3 WO 2011096649A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- leds
- unit
- led unit
- power
- driving apparatus
- Prior art date
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]
- H05B45/20—Controlling the colour of the light
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
-
- 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
Landscapes
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/575,946 US8786194B2 (en) | 2010-02-05 | 2011-01-11 | Constant current driving apparatus for LEDs |
CN2011800078829A CN102742360A (zh) | 2010-02-05 | 2011-01-11 | Led恒流驱动装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100010970A KR100986815B1 (ko) | 2010-02-05 | 2010-02-05 | 엘이디 정전류 구동장치 |
KR10-2010-0010970 | 2010-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011096649A2 WO2011096649A2 (ko) | 2011-08-11 |
WO2011096649A3 true WO2011096649A3 (ko) | 2011-12-08 |
Family
ID=43135284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/000166 WO2011096649A2 (ko) | 2010-02-05 | 2011-01-11 | 엘이디 정전류 구동장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8786194B2 (ko) |
KR (1) | KR100986815B1 (ko) |
CN (1) | CN102742360A (ko) |
WO (1) | WO2011096649A2 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012101522A2 (en) * | 2011-01-28 | 2012-08-02 | Seoul Semiconductor Co., Ltd. | Led driving circuit package |
KR101132194B1 (ko) * | 2011-10-18 | 2012-04-06 | 삼성엘이디 주식회사 | 발광장치 및 이를 이용한 led 구동방법 |
KR101322939B1 (ko) * | 2012-03-08 | 2013-10-28 | 삼성전자주식회사 | 발광장치 및 이를 이용한 led 구동방법 |
CN103428952A (zh) * | 2012-05-25 | 2013-12-04 | 原景科技股份有限公司 | 驱动电流控制电路及其操作方法 |
TWI477190B (zh) * | 2012-08-10 | 2015-03-11 | Macroblock Inc | 發光二極體驅動裝置 |
DE102012215933A1 (de) * | 2012-09-07 | 2014-03-13 | Osram Gmbh | Elektronisches Vorschaltgerät zum Betreiben mindestens einer ersten und einer zweiten Kaskade von LEDs |
KR102061318B1 (ko) * | 2012-10-08 | 2019-12-31 | 서울반도체 주식회사 | Led 연속구동을 위한 led 구동장치 및 구동방법 |
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 |
KR101301087B1 (ko) * | 2013-03-06 | 2013-08-28 | (주) 알에프세미 | 발광 다이오드 구동 장치 |
US8896229B2 (en) * | 2013-03-13 | 2014-11-25 | Cree, Inc. | Lighting apparatus and methods using switched energy storage |
TWI474313B (zh) * | 2013-05-17 | 2015-02-21 | Power Forest Technology Corp | 發光二極體驅動裝置及應用其之發光二極體背光系統 |
KR101610617B1 (ko) * | 2013-05-23 | 2016-04-08 | 주식회사 실리콘웍스 | 발광 다이오드 조명 장치 |
KR101503874B1 (ko) * | 2013-09-25 | 2015-03-19 | 매그나칩 반도체 유한회사 | 발광 다이오드 구동 회로 및 이를 포함하는 조명 장치 |
KR101618818B1 (ko) * | 2013-10-17 | 2016-05-09 | (주)디엠비테크놀로지 | 발광소자 구동회로 및 그 동작방법 |
KR102223046B1 (ko) * | 2014-02-25 | 2021-03-04 | 엘지이노텍 주식회사 | 발광소자 구동 모듈 |
KR102208881B1 (ko) * | 2014-03-20 | 2021-01-28 | 삼성전자주식회사 | 백라이트 유닛, 백라이트 유닛을 포함하는 디스플레이 장치 및 그 구동 방법 |
FR3042378A1 (fr) * | 2015-10-09 | 2017-04-14 | Easii Ic | Circuit optoelectronique a diodes electroluminescentes |
FR3057135B1 (fr) * | 2016-09-30 | 2020-11-13 | Easii Ic | Circuit optoelectronique comprenant des diodes electroluminescentes |
CN108024417B (zh) * | 2017-12-22 | 2024-01-16 | 泉芯电子技术(深圳)有限公司 | 高压线性分段式led驱动电路 |
KR102529854B1 (ko) * | 2020-10-28 | 2023-05-08 | 주식회사 금경라이팅 | 지능형 절전 led 조명장치 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005310997A (ja) * | 2004-04-20 | 2005-11-04 | Sony Corp | Led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 |
KR20070046696A (ko) * | 2005-10-29 | 2007-05-03 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛과 그 구동방법 |
JP2007242427A (ja) * | 2006-03-09 | 2007-09-20 | Hitachi Displays Ltd | Led照明装置及びこれを用いた液晶表示装置 |
KR20080106234A (ko) * | 2006-02-23 | 2008-12-04 | 마이크로세미 코프.-아날로그 믹스트 시그널 그룹 엘티디. | 전압 제어 엘이디 라이트 드라이버 |
KR20090076330A (ko) * | 2008-01-08 | 2009-07-13 | 주식회사 케이이씨 | 시간 분할 다중 출력 직류-직류 컨버터를 갖는 발광 장치및 전원 장치 |
KR100916850B1 (ko) * | 2009-03-30 | 2009-09-21 | 주식회사 케이투엘 | Led 정전류 구동회로 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7081722B1 (en) * | 2005-02-04 | 2006-07-25 | Kimlong Huynh | Light emitting diode multiphase driver circuit and method |
KR100628719B1 (ko) | 2005-02-15 | 2006-09-28 | 삼성전자주식회사 | Led구동장치 |
JP5188690B2 (ja) * | 2006-08-29 | 2013-04-24 | アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド | Ledを駆動するための装置及び方法 |
JP2009004483A (ja) * | 2007-06-20 | 2009-01-08 | Sharp Corp | 発光ダイオード駆動回路 |
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 |
US8410717B2 (en) * | 2009-06-04 | 2013-04-02 | Point Somee Limited Liability Company | Apparatus, method and system for providing AC line power to lighting devices |
US8299724B2 (en) * | 2010-03-19 | 2012-10-30 | Active-Semi, Inc. | AC LED lamp involving an LED string having separately shortable sections |
US8456095B2 (en) * | 2010-03-19 | 2013-06-04 | Active-Semi, Inc. | Reduced flicker AC LED lamp with separately shortable sections of an LED string |
-
2010
- 2010-02-05 KR KR1020100010970A patent/KR100986815B1/ko active IP Right Grant
-
2011
- 2011-01-11 US US13/575,946 patent/US8786194B2/en not_active Expired - Fee Related
- 2011-01-11 CN CN2011800078829A patent/CN102742360A/zh active Pending
- 2011-01-11 WO PCT/KR2011/000166 patent/WO2011096649A2/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005310997A (ja) * | 2004-04-20 | 2005-11-04 | Sony Corp | Led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 |
KR20070046696A (ko) * | 2005-10-29 | 2007-05-03 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛과 그 구동방법 |
KR20080106234A (ko) * | 2006-02-23 | 2008-12-04 | 마이크로세미 코프.-아날로그 믹스트 시그널 그룹 엘티디. | 전압 제어 엘이디 라이트 드라이버 |
JP2007242427A (ja) * | 2006-03-09 | 2007-09-20 | Hitachi Displays Ltd | Led照明装置及びこれを用いた液晶表示装置 |
KR20090076330A (ko) * | 2008-01-08 | 2009-07-13 | 주식회사 케이이씨 | 시간 분할 다중 출력 직류-직류 컨버터를 갖는 발광 장치및 전원 장치 |
KR100916850B1 (ko) * | 2009-03-30 | 2009-09-21 | 주식회사 케이투엘 | Led 정전류 구동회로 |
Also Published As
Publication number | Publication date |
---|---|
US8786194B2 (en) | 2014-07-22 |
KR100986815B1 (ko) | 2010-10-13 |
US20120299484A1 (en) | 2012-11-29 |
CN102742360A (zh) | 2012-10-17 |
WO2011096649A2 (ko) | 2011-08-11 |
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