CN1521924B - 用于供电的电源电路、电子电路的控制器和驱动方法及带该电子电路的显示装置 - Google Patents
用于供电的电源电路、电子电路的控制器和驱动方法及带该电子电路的显示装置 Download PDFInfo
- Publication number
- CN1521924B CN1521924B CN2004100025062A CN200410002506A CN1521924B CN 1521924 B CN1521924 B CN 1521924B CN 2004100025062 A CN2004100025062 A CN 2004100025062A CN 200410002506 A CN200410002506 A CN 200410002506A CN 1521924 B CN1521924 B CN 1521924B
- Authority
- CN
- China
- Prior art keywords
- ccfl
- signal
- power circuit
- phase
- circuit
- 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.)
- Expired - Fee Related
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/08—Optical design with elliptical curvature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/348,748 US6778415B2 (en) | 2003-01-22 | 2003-01-22 | Controller electrical power circuit supplying energy to a display device |
US10/348,748 | 2003-01-22 | ||
US10/756,007 US7200017B2 (en) | 2003-01-22 | 2004-01-13 | Controller and driving method for supplying energy to display device circuitry |
US10/756007 | 2004-01-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1521924A CN1521924A (zh) | 2004-08-18 |
CN1521924B true CN1521924B (zh) | 2010-05-26 |
Family
ID=32911903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004100025062A Expired - Fee Related CN1521924B (zh) | 2003-01-22 | 2004-01-20 | 用于供电的电源电路、电子电路的控制器和驱动方法及带该电子电路的显示装置 |
Country Status (3)
Country | Link |
---|---|
JP (2) | JP4025300B2 (zh) |
KR (1) | KR20040068014A (zh) |
CN (1) | CN1521924B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006078974A (ja) * | 2004-09-13 | 2006-03-23 | Toshiba Matsushita Display Technology Co Ltd | 光源装置 |
US7417785B2 (en) * | 2005-01-18 | 2008-08-26 | Research Frontiers Incorporated | Methods and circuits for distributing power to SPD loads |
JP4711258B2 (ja) * | 2005-04-22 | 2011-06-29 | 立山マシン株式会社 | 多相交流電源 |
TW201011712A (en) * | 2008-09-15 | 2010-03-16 | Chunghwa Picture Tubes Ltd | Scanning driving apparatus for backlight source and the liquid crystal display thereof |
KR20210034878A (ko) | 2019-09-23 | 2021-03-31 | 엘지디스플레이 주식회사 | 전원 공급부 및 이를 포함하는 표시장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5793628A (en) * | 1997-04-30 | 1998-08-11 | Hewlett-Packard Company | Multi-phase pulse-width-modulation power converter |
US6469453B2 (en) * | 2000-09-28 | 2002-10-22 | Fujitsu Limited | Backlight for liquid crystal display |
CN2698007Y (zh) * | 2003-01-22 | 2005-05-04 | 美国凹凸微系有限公司 | 用于供电的电源电路、电子电路的控制器及带该电子电路的显示装置 |
-
2004
- 2004-01-20 CN CN2004100025062A patent/CN1521924B/zh not_active Expired - Fee Related
- 2004-01-20 KR KR1020040004332A patent/KR20040068014A/ko not_active Application Discontinuation
- 2004-01-22 JP JP2004014898A patent/JP4025300B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-14 JP JP2006249717A patent/JP2007059408A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5793628A (en) * | 1997-04-30 | 1998-08-11 | Hewlett-Packard Company | Multi-phase pulse-width-modulation power converter |
US6469453B2 (en) * | 2000-09-28 | 2002-10-22 | Fujitsu Limited | Backlight for liquid crystal display |
CN2698007Y (zh) * | 2003-01-22 | 2005-05-04 | 美国凹凸微系有限公司 | 用于供电的电源电路、电子电路的控制器及带该电子电路的显示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2007059408A (ja) | 2007-03-08 |
JP2004229496A (ja) | 2004-08-12 |
CN1521924A (zh) | 2004-08-18 |
KR20040068014A (ko) | 2004-07-30 |
JP4025300B2 (ja) | 2007-12-19 |
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