TWI406590B - Ｌｅｄ驅動控制裝置及其控制方法 - Google Patents
Ｌｅｄ驅動控制裝置及其控制方法 Download PDFInfo
- Publication number
- TWI406590B TWI406590B TW099102315A TW99102315A TWI406590B TW I406590 B TWI406590 B TW I406590B TW 099102315 A TW099102315 A TW 099102315A TW 99102315 A TW99102315 A TW 99102315A TW I406590 B TWI406590 B TW I406590B
- Authority
- TW
- Taiwan
- Prior art keywords
- brightness
- light source
- power
- control
- blinking
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 30
- 230000004397 blinking Effects 0.000 claims abstract description 72
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 44
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 4
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- FTWRSWRBSVXQPI-UHFFFAOYSA-N alumanylidynearsane;gallanylidynearsane Chemical compound [As]#[Al].[As]#[Ga] FTWRSWRBSVXQPI-UHFFFAOYSA-N 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910005540 GaP Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000004508 polar body Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 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]
- H05B45/10—Controlling the intensity of the light
Landscapes
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of El Displays (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18485609P | 2009-06-08 | 2009-06-08 | |
| US18521409P | 2009-06-09 | 2009-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201044913A TW201044913A (en) | 2010-12-16 |
| TWI406590B true TWI406590B (zh) | 2013-08-21 |
Family
ID=43300248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW099102315A TWI406590B (zh) | 2009-06-08 | 2010-01-27 | Ｌｅｄ驅動控制裝置及其控制方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8304999B2 (enExample) |
| JP (1) | JP2010283330A (enExample) |
| TW (1) | TWI406590B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201029515A (en) * | 2009-01-23 | 2010-08-01 | Wistron Corp | Electronic device, a control system and a method of controlling a light-emitting element thereof |
| CN101873735B (zh) * | 2009-04-24 | 2013-10-30 | 英华达(上海)电子有限公司 | 一种led背光工作电路 |
| JP2011155473A (ja) * | 2010-01-27 | 2011-08-11 | Kyocera Corp | 携帯電子機器 |
| CN102170726B (zh) * | 2011-01-28 | 2013-10-23 | 创维液晶器件(深圳)有限公司 | 一种led恒流电源板 |
| JP2012195739A (ja) * | 2011-03-16 | 2012-10-11 | Toshiba Corp | 表示装置 |
| TWI437920B (zh) * | 2011-08-08 | 2014-05-11 | Weltrend Semiconductor Inc | 利用電源開關選擇光源發光模式之光源控制器及其照明系統 |
| CN103517506B (zh) * | 2012-06-22 | 2016-05-04 | 凹凸电子（武汉）有限公司 | 为发光二极管光源供电的驱动电路及方法、电力变换器 |
| CN102821521A (zh) * | 2012-08-13 | 2012-12-12 | 江门市联创发展有限公司 | 一种全数字pid控制led光源驱动器 |
| DE102019108869A1 (de) | 2019-04-04 | 2020-10-08 | Maschinenfabrik Gustav Eirich Gmbh & Co. Kg | Mischer mit Verschlussdeckel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7057354B2 (en) * | 2003-09-15 | 2006-06-06 | Cheerine Development (Hong Kong) Limited | Frequency controlled lighting system |
| TWI294506B (enExample) * | 2006-05-19 | 2008-03-11 | ||
| JP2009105016A (ja) * | 2007-10-25 | 2009-05-14 | Panasonic Electric Works Co Ltd | Ｌｅｄ照明装置 |
| TWI310455B (enExample) * | 2006-11-10 | 2009-06-01 | Macroblock Inc |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3376737B2 (ja) * | 1994-12-28 | 2003-02-10 | 松下電工株式会社 | 照明装置 |
| JP4228277B2 (ja) * | 2003-01-31 | 2009-02-25 | 富士フイルム株式会社 | Ｌｅｄ照明装置 |
| US7004598B2 (en) * | 2003-02-18 | 2006-02-28 | Cheerine Development (Hong Kong) Ltd. | Flashing light system with power selection |
| EP1894076B1 (en) * | 2005-02-07 | 2013-12-25 | Analog Devices, Inc. | Regulating switching regulators by load monitoring |
| JP2008108565A (ja) * | 2006-10-25 | 2008-05-08 | Matsushita Electric Works Ltd | Ｌｅｄ点灯回路およびそれを用いる照明器具 |
| JP4943892B2 (ja) * | 2007-02-23 | 2012-05-30 | パナソニック株式会社 | 調光装置とそれを用いた照明器具 |
| JP4450019B2 (ja) * | 2007-07-03 | 2010-04-14 | ソニー株式会社 | 制御装置および制御方法、並びに、面状光源装置および面状光源装置の制御方法 |
| TWM342713U (en) * | 2007-10-19 | 2008-10-11 | Prodisc Technology Inc | Light-emitting device capable of adjusting color temperature and its control circuit structure |
| US7908037B2 (en) * | 2009-03-27 | 2011-03-15 | General Electric Company | Pre-programmed energy management ballast or driver |
| JP5404190B2 (ja) * | 2009-06-02 | 2014-01-29 | 三菱電機株式会社 | 点灯装置および照明器具 |
-
2010
- 2010-01-11 US US12/685,664 patent/US8304999B2/en not_active Expired - Fee Related
- 2010-01-27 TW TW099102315A patent/TWI406590B/zh not_active IP Right Cessation
- 2010-02-22 JP JP2010036600A patent/JP2010283330A/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7057354B2 (en) * | 2003-09-15 | 2006-06-06 | Cheerine Development (Hong Kong) Limited | Frequency controlled lighting system |
| TWI294506B (enExample) * | 2006-05-19 | 2008-03-11 | ||
| TWI310455B (enExample) * | 2006-11-10 | 2009-06-01 | Macroblock Inc | |
| JP2009105016A (ja) * | 2007-10-25 | 2009-05-14 | Panasonic Electric Works Co Ltd | Ｌｅｄ照明装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100308744A1 (en) | 2010-12-09 |
| JP2010283330A (ja) | 2010-12-16 |
| US8304999B2 (en) | 2012-11-06 |
| TW201044913A (en) | 2010-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |