CN1701448A - 发光二极管驱动装置及发光二极管驱动方法 - Google Patents
发光二极管驱动装置及发光二极管驱动方法 Download PDFInfo
- Publication number
- CN1701448A CN1701448A CN 200480001122 CN200480001122A CN1701448A CN 1701448 A CN1701448 A CN 1701448A CN 200480001122 CN200480001122 CN 200480001122 CN 200480001122 A CN200480001122 A CN 200480001122A CN 1701448 A CN1701448 A CN 1701448A
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- CN
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- Prior art keywords
- led
- voltage
- kinds
- duty ratio
- brightness
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- 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.)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Led Devices (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP098489/2003 | 2003-04-01 | ||
JP2003098486A JP4015965B2 (ja) | 2003-04-01 | 2003-04-01 | Led駆動装置及びled駆動方法 |
JP098487/2003 | 2003-04-01 | ||
JP098486/2003 | 2003-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1701448A true CN1701448A (zh) | 2005-11-23 |
CN100392878C CN100392878C (zh) | 2008-06-04 |
Family
ID=33463249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800011227A Expired - Fee Related CN100392878C (zh) | 2003-04-01 | 2004-03-26 | 发光二极管驱动装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4015965B2 (zh) |
CN (1) | CN100392878C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102474956A (zh) * | 2009-08-07 | 2012-05-23 | 夏普株式会社 | 照明装置 |
CN105096843A (zh) * | 2015-08-19 | 2015-11-25 | 京东方科技集团股份有限公司 | 背光源及其调整方法、调整装置和显示装置 |
TWI800147B (zh) * | 2021-05-11 | 2023-04-21 | 瑞鼎科技股份有限公司 | 發光二極體顯示系統及其運作方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100659531B1 (ko) | 2003-11-27 | 2006-12-19 | 삼성에스디아이 주식회사 | 백라이트 구동회로 |
JP4650319B2 (ja) * | 2006-03-28 | 2011-03-16 | カシオ計算機株式会社 | 液晶表示モジュール |
CN102612862B (zh) * | 2009-08-14 | 2015-06-03 | 万斯创新股份有限公司 | 可调光交流led照明的频谱偏移控制 |
US9247603B2 (en) | 2014-02-11 | 2016-01-26 | Once Innovations, Inc. | Shunt regulator for spectral shift controlled light source |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5812105A (en) * | 1996-06-10 | 1998-09-22 | Cree Research, Inc. | Led dot matrix drive method and apparatus |
JPH11115241A (ja) * | 1997-10-20 | 1999-04-27 | Citizen Watch Co Ltd | 複数led時分割駆動装置 |
EP0967590A1 (en) * | 1998-06-25 | 1999-12-29 | Hewlett-Packard Company | Optical display device using LEDs and its operating method |
CN1191641C (zh) * | 2001-04-27 | 2005-03-02 | 株式会社利达特 | Led发光装置 |
JP2003058125A (ja) * | 2001-08-16 | 2003-02-28 | Konica Corp | 電子機器 |
-
2003
- 2003-04-01 JP JP2003098486A patent/JP4015965B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-26 CN CNB2004800011227A patent/CN100392878C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102474956A (zh) * | 2009-08-07 | 2012-05-23 | 夏普株式会社 | 照明装置 |
CN105096843A (zh) * | 2015-08-19 | 2015-11-25 | 京东方科技集团股份有限公司 | 背光源及其调整方法、调整装置和显示装置 |
US9900947B2 (en) | 2015-08-19 | 2018-02-20 | Boe Technology Group Co., Ltd. | Backlight, regulation method thereof, regulation device and display device |
TWI800147B (zh) * | 2021-05-11 | 2023-04-21 | 瑞鼎科技股份有限公司 | 發光二極體顯示系統及其運作方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100392878C (zh) | 2008-06-04 |
JP4015965B2 (ja) | 2007-11-28 |
JP2004311460A (ja) | 2004-11-04 |
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