JP2014026954A - 光源を駆動する回路および方法 - Google Patents
光源を駆動する回路および方法 Download PDFInfo
- Publication number
- JP2014026954A JP2014026954A JP2012245058A JP2012245058A JP2014026954A JP 2014026954 A JP2014026954 A JP 2014026954A JP 2012245058 A JP2012245058 A JP 2012245058A JP 2012245058 A JP2012245058 A JP 2012245058A JP 2014026954 A JP2014026954 A JP 2014026954A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007423 decrease Effects 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims description 101
- 230000004044 response Effects 0.000 claims description 48
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000001965 increasing effect Effects 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 22
- 239000003990 capacitor Substances 0.000 description 16
- 230000001276 controlling effect Effects 0.000 description 10
- 101000806846 Homo sapiens DNA-(apurinic or apyrimidinic site) endonuclease Proteins 0.000 description 9
- 101000835083 Homo sapiens Tissue factor pathway inhibitor 2 Proteins 0.000 description 9
- 102100026134 Tissue factor pathway inhibitor 2 Human genes 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
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- 238000007792 addition Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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]
- H05B45/10—Controlling the intensity of the light
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/559,451 | 2012-07-26 | ||
US13/559,451 US9232591B2 (en) | 2008-12-12 | 2012-07-26 | Circuits and methods for driving light sources |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014026954A true JP2014026954A (ja) | 2014-02-06 |
Family
ID=47757304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012245058A Pending JP2014026954A (ja) | 2012-07-26 | 2012-11-07 | 光源を駆動する回路および方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2690930A1 (zh) |
JP (1) | JP2014026954A (zh) |
CN (2) | CN103582239B (zh) |
BR (1) | BR102013017991A2 (zh) |
TW (2) | TWI556686B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019129080A (ja) * | 2018-01-25 | 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 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014065389A1 (en) | 2012-10-25 | 2014-05-01 | Semiconductor Energy Laboratory Co., Ltd. | Central control system |
TWI509974B (zh) * | 2014-02-14 | 2015-11-21 | Elite Semiconductor Esmt | 交流電壓調整電路以及發光二極體亮度調整電路 |
TWI504313B (zh) * | 2014-02-21 | 2015-10-11 | High utilization of light emitting diode components | |
TWI561118B (en) * | 2014-08-13 | 2016-12-01 | Ind Tech Res Inst | Dimming system and operating method thereof |
CN104486860B (zh) * | 2014-11-12 | 2018-03-09 | 肖志军 | 一种led灯调光电路 |
CN105680842B (zh) * | 2014-11-18 | 2018-08-07 | 台湾半导体股份有限公司 | 可通过外部引脚调整操作模式的驱动电路 |
CN105792471A (zh) * | 2014-12-26 | 2016-07-20 | 凹凸电子(武汉)有限公司 | 光源驱动电路、控制器和控制方法 |
KR20170071307A (ko) * | 2015-12-15 | 2017-06-23 | 엘지이노텍 주식회사 | 전원 장치 및 그의 출력 전류 제어 방법 |
CN105744676B (zh) * | 2016-01-29 | 2017-07-14 | 高玉扬 | 一种基于简单开关的led调光方法 |
DE102016107578B4 (de) * | 2016-04-25 | 2023-06-01 | Vossloh-Schwabe Deutschland Gmbh | Betriebsschaltung und Verfahren zum Betreiben wenigstens eines Leuchtmittels |
WO2017207329A1 (en) * | 2016-05-30 | 2017-12-07 | Philips Lighting Holding B.V. | Method of lighting driver protection in case of loss of neutral connection, and lighting driver including such protection |
CN105934040B (zh) * | 2016-06-15 | 2018-06-19 | 陕西亚成微电子股份有限公司 | 一种调光电路 |
CN106314013A (zh) * | 2016-08-19 | 2017-01-11 | 李莉 | 一种亮度可调节的led光源动漫拷贝台 |
CN109143873A (zh) * | 2017-06-16 | 2019-01-04 | 佛山市顺德区美的电热电器制造有限公司 | 功能切换控制方法及装置、家用电器、存储介质 |
CN107613610B (zh) * | 2017-09-26 | 2023-10-24 | 深圳市中科智联科技有限公司 | 智能照明控制器 |
US10136488B1 (en) * | 2017-10-05 | 2018-11-20 | Linear Technology Holding, LLC | LED dimming |
CN108650738B (zh) * | 2018-06-06 | 2024-04-23 | 深圳率能半导体有限公司 | 一种led控制电路 |
DE102019103660A1 (de) * | 2019-02-13 | 2020-08-13 | Vossloh-Schwabe Deutschland Gmbh | Betriebsschaltung für das Betreiben mehrerer Lasten |
CN110035584B (zh) * | 2019-04-28 | 2024-03-19 | 深圳市晟碟半导体有限公司 | 一种提高调光精度的led调光电路、调光装置及调光方法 |
CN110572902B (zh) * | 2019-08-27 | 2022-05-24 | 昂宝电子(上海)有限公司 | 准谐振调光控制***和方法 |
TWI716152B (zh) * | 2019-10-16 | 2021-01-11 | 東林科技股份有限公司 | 調光電路、具有此調光電路的調光器及其控制器 |
CN112788815B (zh) * | 2019-11-04 | 2022-11-08 | 海信视像科技股份有限公司 | 显示装置及供电电路 |
CN110881231B (zh) * | 2019-11-27 | 2021-05-18 | 成都芯源***有限公司 | 调光电路及其控制方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003157986A (ja) * | 2001-11-26 | 2003-05-30 | Matsushita Electric Works Ltd | 照明装置 |
JP2009123681A (ja) * | 2007-10-25 | 2009-06-04 | Panasonic Electric Works Co Ltd | Led調光装置 |
US20110227496A1 (en) * | 2008-12-12 | 2011-09-22 | O2Micro, Inc. | Circuits and methods for driving light sources |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7759881B1 (en) * | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
TWI406596B (zh) * | 2008-06-30 | 2013-08-21 | Green Solution Tech Co Ltd | 發光二極體驅動電路、發光二極體驅動控制單元及其電晶體開關模組 |
US8076867B2 (en) * | 2008-12-12 | 2011-12-13 | O2Micro, Inc. | Driving circuit with continuous dimming function for driving light sources |
JP2010198860A (ja) * | 2009-02-24 | 2010-09-09 | Koito Mfg Co Ltd | 放電灯点灯回路 |
US8912781B2 (en) * | 2010-07-30 | 2014-12-16 | Cirrus Logic, Inc. | Integrated circuit switching power supply controller with selectable buck mode operation |
US9184660B2 (en) * | 2010-08-18 | 2015-11-10 | Finsix Corporation | Very high frequency switching cell-based power converter |
US8237371B2 (en) * | 2010-10-29 | 2012-08-07 | O2 Micro, Inc | Differential driving circuit for powering a light source |
CN102387639B (zh) * | 2011-02-16 | 2013-08-21 | 凹凸电子(武汉)有限公司 | 用于驱动光源的驱动电路、方法及调光控制器 |
TWM410424U (en) * | 2011-04-07 | 2011-08-21 | Excelliance Mos Corp | Driving circuit of light emitting diode and light source apparatus |
CN102395230B (zh) * | 2011-05-04 | 2013-06-12 | 凹凸电子(武汉)有限公司 | 控制光源调光的控制器和方法及光源驱动电路 |
-
2012
- 2012-11-07 JP JP2012245058A patent/JP2014026954A/ja active Pending
-
2013
- 2013-01-11 EP EP13150915.0A patent/EP2690930A1/en not_active Withdrawn
- 2013-03-25 TW TW102110490A patent/TWI556686B/zh not_active IP Right Cessation
- 2013-04-28 CN CN201310155502.7A patent/CN103582239B/zh not_active Expired - Fee Related
- 2013-05-08 CN CN201310167081.XA patent/CN103582240B/zh not_active Expired - Fee Related
- 2013-06-19 TW TW102121793A patent/TWI533746B/zh not_active IP Right Cessation
- 2013-07-15 BR BRBR102013017991-4A patent/BR102013017991A2/pt not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003157986A (ja) * | 2001-11-26 | 2003-05-30 | Matsushita Electric Works Ltd | 照明装置 |
JP2009123681A (ja) * | 2007-10-25 | 2009-06-04 | Panasonic Electric Works Co Ltd | Led調光装置 |
US20110227496A1 (en) * | 2008-12-12 | 2011-09-22 | O2Micro, Inc. | Circuits and methods for driving light sources |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019129080A (ja) * | 2018-01-25 | 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 |
Also Published As
Publication number | Publication date |
---|---|
CN103582240B (zh) | 2015-12-09 |
BR102013017991A2 (pt) | 2014-12-23 |
CN103582239B (zh) | 2016-02-03 |
CN103582239A (zh) | 2014-02-12 |
TWI556686B (zh) | 2016-11-01 |
TW201406207A (zh) | 2014-02-01 |
EP2690930A1 (en) | 2014-01-29 |
CN103582240A (zh) | 2014-02-12 |
TWI533746B (zh) | 2016-05-11 |
TW201406196A (zh) | 2014-02-01 |
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