JP2006049423A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2006049423A5 JP2006049423A5 JP2004225541A JP2004225541A JP2006049423A5 JP 2006049423 A5 JP2006049423 A5 JP 2006049423A5 JP 2004225541 A JP2004225541 A JP 2004225541A JP 2004225541 A JP2004225541 A JP 2004225541A JP 2006049423 A5 JP2006049423 A5 JP 2006049423A5
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- constant current
- drive circuit
- current drive
- control means
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004225541A JP4642406B2 (ja) | 2004-08-02 | 2004-08-02 | 定電流駆動回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004225541A JP4642406B2 (ja) | 2004-08-02 | 2004-08-02 | 定電流駆動回路 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006049423A JP2006049423A (ja) | 2006-02-16 |
| JP2006049423A5 true JP2006049423A5 (enExample) | 2007-08-16 |
| JP4642406B2 JP4642406B2 (ja) | 2011-03-02 |
Family
ID=36027657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004225541A Expired - Fee Related JP4642406B2 (ja) | 2004-08-02 | 2004-08-02 | 定電流駆動回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4642406B2 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4839023B2 (ja) * | 2005-06-22 | 2011-12-14 | Ｆｄｋ株式会社 | 発光ダイオード調光回路および照明装置 |
| JP2007281424A (ja) | 2006-03-15 | 2007-10-25 | Casio Comput Co Ltd | 発光素子の駆動装置、発光素子の駆動方法及び発光素子の駆動プログラム |
| KR101243144B1 (ko) * | 2006-04-28 | 2013-03-13 | 엘지이노텍 주식회사 | Ｌｃｄ 패널용 ｌｅｄ 드라이버의 구동회로 |
| WO2007148298A1 (en) * | 2006-06-22 | 2007-12-27 | Koninklijke Philips Electronics N.V. | Drive circuit for driving a load with pulsed current |
| KR101101818B1 (ko) | 2006-06-28 | 2012-01-05 | 삼성전자주식회사 | 디스플레이장치 및 그 제어방법 |
| JP4267647B2 (ja) | 2006-08-10 | 2009-05-27 | 林化学工業株式会社 | 発光装置 |
| JP4845694B2 (ja) * | 2006-11-30 | 2011-12-28 | セイコーインスツル株式会社 | Ｌｅｄ駆動回路 |
| JP2008283033A (ja) * | 2007-05-11 | 2008-11-20 | Ricoh Co Ltd | 駆動回路及びその駆動回路を有する電子機器 |
| US9101022B2 (en) * | 2008-01-25 | 2015-08-04 | Eveready Battery Company, Inc. | Lighting device having boost circuitry |
| KR101563208B1 (ko) | 2009-02-04 | 2015-10-28 | 삼성디스플레이 주식회사 | 광원 구동 장치 및 이를 포함하는 광원 장치 |
| CN102598315B (zh) * | 2009-11-04 | 2015-05-06 | 罗姆股份有限公司 | 背光灯用发光二极管灯串的驱动电路和驱动方法、以及使用了它的背光灯及显示器装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7071762B2 (en) * | 2001-01-31 | 2006-07-04 | Koninklijke Philips Electronics N.V. | Supply assembly for a led lighting module |
-
2004
- 2004-08-02 JP JP2004225541A patent/JP4642406B2/ja not_active Expired - Fee Related