TW201230874A - Method and device for driving an LED string - Google Patents
Method and device for driving an LED string Download PDFInfo
- Publication number
- TW201230874A TW201230874A TW100139843A TW100139843A TW201230874A TW 201230874 A TW201230874 A TW 201230874A TW 100139843 A TW100139843 A TW 100139843A TW 100139843 A TW100139843 A TW 100139843A TW 201230874 A TW201230874 A TW 201230874A
- Authority
- TW
- Taiwan
- Prior art keywords
- led
- segment
- led segment
- light
- color temperature
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000005611 electricity Effects 0.000 description 11
- 239000003086 colorant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000001340 low-energy electron microscopy Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 102220015875 rs6734111 Human genes 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
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
-
- 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
-
- 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]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
- H05B45/397—Current mirror 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
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- 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
- H05B44/00—Circuit arrangements for operating electroluminescent light sources
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10189656 | 2010-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201230874A true TW201230874A (en) | 2012-07-16 |
Family
ID=44925601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100139843A TW201230874A (en) | 2010-11-02 | 2011-11-01 | Method and device for driving an LED string |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20130221861A1 (enExample) |
| EP (1) | EP2636281A1 (enExample) |
| JP (1) | JP6087828B2 (enExample) |
| CN (1) | CN103314640B (enExample) |
| BR (1) | BR112013010478A8 (enExample) |
| RU (1) | RU2625332C2 (enExample) |
| TW (1) | TW201230874A (enExample) |
| WO (1) | WO2012059838A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI624192B (zh) * | 2013-09-29 | 2018-05-11 | 矽力杰半導體技術（杭州）有限公司 | Ｌｅｄ驅動電路 |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2012100032B4 (en) * | 2011-12-22 | 2012-03-08 | Ozuno Holdings Limited | LED lamp with current dependent colour temperature |
| BR112014026061A8 (pt) * | 2012-04-23 | 2021-03-09 | Koninklijke Philips Nv | circuito para o acionamento de uma matriz de elementos de radiação (la1 a la-n), dispositivo de iluminação, método para o acionamento de uma matriz de elementos de radiação (la1 a la-n, e produto de programa de computador |
| KR102223046B1 (ko) * | 2014-02-25 | 2021-03-04 | 엘지이노텍 주식회사 | 발광소자 구동 모듈 |
| TW201538030A (zh) | 2014-03-26 | 2015-10-01 | Prolight Opto Technology Corp | 可調光的交流發光二極體裝置 |
| DE102014005584B4 (de) * | 2014-04-15 | 2015-11-12 | Diehl Aerospace Gmbh | LED-Beleuchtungsvorichtung mit einem Energiespeichermodul sowie Verfahren zum Betreiben der LED-Beleuchtungsvorrichtung |
| WO2015165925A1 (en) * | 2014-04-30 | 2015-11-05 | Koninklijke Philips N.V. | Led circuit, a lighting arrangement and an led driving method |
| CN104949003A (zh) * | 2015-06-04 | 2015-09-30 | 浙江生辉照明有限公司 | 电力载波变色温隧道灯及其控制方法 |
| US9668307B2 (en) | 2015-07-27 | 2017-05-30 | GE Lighting Solutions, LLC | Warm dimming for an LED light source |
| RU168568U1 (ru) * | 2015-09-21 | 2017-02-09 | Закрытое акционерное общество "ГРУППА КРЕМНИЙ ЭЛ" | Драйвер светодиодных ламп с резистивной вольт-амперной характеристикой |
| KR20170098494A (ko) * | 2016-02-22 | 2017-08-30 | 주식회사 루멘스 | 조명 장치 |
| CN109716862B (zh) * | 2016-04-27 | 2021-03-12 | 亮锐控股有限公司 | 用于led的调暗变暖控制器 |
| RU168349U1 (ru) * | 2016-08-04 | 2017-01-30 | Юрий Борисович Соколов | Мощный светодиодный осветитель, управляемый контроллером |
| US10362654B2 (en) | 2017-09-08 | 2019-07-23 | Samsung Electronics Co., Ltd. | Lighting apparatus |
| US10123386B1 (en) | 2017-09-08 | 2018-11-06 | Samsung Electronics Co., Ltd. | Lighting apparatus |
| US10499471B2 (en) | 2018-04-13 | 2019-12-03 | Samsung Electronics Co., Ltd. | Light-emitting diode lighting module and lighting apparatus including the same |
| CN114208395B (zh) * | 2019-08-01 | 2025-05-02 | 昕诺飞控股有限公司 | 用于控制光的性质的控制器 |
| US12463171B2 (en) | 2019-12-02 | 2025-11-04 | Nippon Micrometal Corporation | Copper bonding wire for semiconductor devices and semiconductor device |
| RU205192U1 (ru) * | 2021-04-24 | 2021-07-01 | Евгений Николаевич Коптяев | Блок питания светодиодного светильника |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE416597T1 (de) * | 2002-05-09 | 2008-12-15 | Philips Solid State Lighting | Led dimmersteuerung |
| US6989807B2 (en) * | 2003-05-19 | 2006-01-24 | Add Microtech Corp. | LED driving device |
| US7081722B1 (en) * | 2005-02-04 | 2006-07-25 | Kimlong Huynh | Light emitting diode multiphase driver circuit and method |
| US7317403B2 (en) * | 2005-08-26 | 2008-01-08 | Philips Lumileds Lighting Company, Llc | LED light source for backlighting with integrated electronics |
| KR100985860B1 (ko) * | 2005-11-08 | 2010-10-08 | 삼성전자주식회사 | 발광장치 및 그 제어방법 |
| US7710050B2 (en) * | 2005-11-17 | 2010-05-04 | Magna International Inc | Series connected power supply for semiconductor-based vehicle lighting systems |
| KR100755624B1 (ko) * | 2006-02-09 | 2007-09-04 | 삼성전기주식회사 | 필드 순차 칼라 모드의 액정 표시 장치 |
| WO2007093938A1 (en) * | 2006-02-14 | 2007-08-23 | Koninklijke Philips Electronics N.V. | Current driving of leds |
| 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 |
| EP2082621B1 (en) * | 2006-11-10 | 2010-07-14 | Philips Solid-State Lighting Solutions, Inc. | Methods and apparatus for controlling series-connected leds |
| US7288902B1 (en) * | 2007-03-12 | 2007-10-30 | Cirrus Logic, Inc. | Color variations in a dimmable lighting device with stable color temperature light sources |
| US20080224631A1 (en) * | 2007-03-12 | 2008-09-18 | Melanson John L | Color variations in a dimmable lighting device with stable color temperature light sources |
| JP2009004483A (ja) * | 2007-06-20 | 2009-01-08 | Sharp Corp | 発光ダイオード駆動回路 |
| JP5116089B2 (ja) * | 2007-11-13 | 2013-01-09 | 神保電器株式会社 | Ｌｅｄ発光方法とｌｅｄ照明装置 |
| US7800316B2 (en) * | 2008-03-17 | 2010-09-21 | Micrel, Inc. | Stacked LED controllers |
| US8174212B2 (en) * | 2008-11-30 | 2012-05-08 | Microsemi Corp.—Analog Mixed Signal Group Ltd. | LED string driver with light intensity responsive to input voltage |
| ES2427280T3 (es) * | 2009-03-12 | 2013-10-29 | Koninklijke Philips N.V. | Iluminación con LED con comportamiento de temperatura de color de lámpara incandescente |
| JP5280913B2 (ja) * | 2009-03-27 | 2013-09-04 | パナソニック株式会社 | 照明装置 |
| WO2010143362A1 (ja) * | 2009-06-11 | 2010-12-16 | パナソニック株式会社 | 照明装置および照明システム |
| US10264637B2 (en) * | 2009-09-24 | 2019-04-16 | Cree, Inc. | Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof |
-
2011
- 2011-10-24 EP EP11781647.0A patent/EP2636281A1/en not_active Withdrawn
- 2011-10-24 WO PCT/IB2011/054731 patent/WO2012059838A1/en not_active Ceased
- 2011-10-24 JP JP2013537227A patent/JP6087828B2/ja not_active Expired - Fee Related
- 2011-10-24 CN CN201180052709.0A patent/CN103314640B/zh not_active Expired - Fee Related
- 2011-10-24 BR BR112013010478A patent/BR112013010478A8/pt not_active Application Discontinuation
- 2011-10-24 RU RU2013125518A patent/RU2625332C2/ru not_active IP Right Cessation
- 2011-10-24 US US13/882,636 patent/US20130221861A1/en not_active Abandoned
- 2011-11-01 TW TW100139843A patent/TW201230874A/zh unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI624192B (zh) * | 2013-09-29 | 2018-05-11 | 矽力杰半導體技術（杭州）有限公司 | Ｌｅｄ驅動電路 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130221861A1 (en) | 2013-08-29 |
| CN103314640B (zh) | 2016-11-16 |
| JP6087828B2 (ja) | 2017-03-01 |
| EP2636281A1 (en) | 2013-09-11 |
| BR112013010478A2 (pt) | 2016-08-02 |
| WO2012059838A1 (en) | 2012-05-10 |
| RU2625332C2 (ru) | 2017-07-13 |
| CN103314640A (zh) | 2013-09-18 |
| JP2013545238A (ja) | 2013-12-19 |
| BR112013010478A8 (pt) | 2016-09-13 |
| RU2013125518A (ru) | 2014-12-10 |
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