CN1612665A - 驱动多根冷阴极荧光灯管的电路结构 - Google Patents
驱动多根冷阴极荧光灯管的电路结构 Download PDFInfo
- Publication number
- CN1612665A CN1612665A CN 200310103076 CN200310103076A CN1612665A CN 1612665 A CN1612665 A CN 1612665A CN 200310103076 CN200310103076 CN 200310103076 CN 200310103076 A CN200310103076 A CN 200310103076A CN 1612665 A CN1612665 A CN 1612665A
- Authority
- CN
- China
- Prior art keywords
- common mode
- balancing component
- mode balancing
- cathode fluorescent
- fluorescent tubes
- 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
- 239000000463 material Substances 0.000 claims description 36
- 239000000843 powder Substances 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000000696 magnetic material Substances 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims 12
- 230000009466 transformation Effects 0.000 claims 8
- 238000004804 winding Methods 0.000 description 47
- 238000010586 diagram Methods 0.000 description 33
- 230000009977 dual effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 8
- 239000012256 powdered iron Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005094 computer simulation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
流经N1绕组电流IO1 | 流经N2绕组电流IO2 | 电流差异 | |
8.15mA | 8.11mA | 0.04mA | 图11A |
6.80mA | 6.86mA | 0.06mA | 图11B |
5.60mA | 5.53mA | 0.07mA | 图11C |
3.91mA | 3.88mA | 0.03mA | 图11D |
频率 | 流经N1绕组电流IO1 | 流经N2绕组电流IO2 | |
60Khz | 8.13mA | 8.10mA | 图11E |
55Khz | 8.14mA | 8.10mA | 图11F |
50Khz | 8.12mA | 8.10mA | 图11G |
47Khz | 8.14mA | 8.10mA | 图11H |
Claims (32)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101030769A CN100346672C (zh) | 2003-10-30 | 2003-10-30 | 驱动多根冷阴极荧光灯管的电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101030769A CN100346672C (zh) | 2003-10-30 | 2003-10-30 | 驱动多根冷阴极荧光灯管的电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1612665A true CN1612665A (zh) | 2005-05-04 |
CN100346672C CN100346672C (zh) | 2007-10-31 |
Family
ID=34756519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101030769A Expired - Fee Related CN100346672C (zh) | 2003-10-30 | 2003-10-30 | 驱动多根冷阴极荧光灯管的电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100346672C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100426056C (zh) * | 2005-08-26 | 2008-10-15 | 鸿富锦精密工业(深圳)有限公司 | 多灯管驱动系统及方法 |
CN1893755B (zh) * | 2005-07-06 | 2010-09-29 | 美国芯源系统股份有限公司 | 使电路中的放电灯电流相等的装置、系统及方法 |
CN101060742B (zh) * | 2006-04-20 | 2011-11-30 | 台达电子工业股份有限公司 | 放电灯管的电源供应装置及其电流平衡装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1050659A (zh) * | 1990-10-23 | 1991-04-10 | 杨长根 | 冷阴极荧光灯增压高频电子镇流器 |
JP2733817B2 (ja) * | 1993-08-30 | 1998-03-30 | 昌和 牛嶋 | 放電管用インバーター回路 |
US5830121A (en) * | 1993-10-27 | 1998-11-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Endoscopic apparatus having an endoscope and a peripheral device wherein total usage of the endoscope is quantified and recorded |
US5930121A (en) * | 1997-03-14 | 1999-07-27 | Linfinity Microelectronics | Direct drive backlight system |
CN1236654C (zh) * | 1998-05-26 | 2006-01-11 | 英属开曼群岛凹凸微系国际有限公司 | 用于激励冷阴极荧光灯的电路 |
US6104146A (en) * | 1999-02-12 | 2000-08-15 | Micro International Limited | Balanced power supply circuit for multiple cold-cathode fluorescent lamps |
CN2706992Y (zh) * | 2003-10-30 | 2005-06-29 | 美国凹凸微系有限公司 | 驱动多根冷阴极荧光灯管的电路结构 |
-
2003
- 2003-10-30 CN CNB2003101030769A patent/CN100346672C/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1893755B (zh) * | 2005-07-06 | 2010-09-29 | 美国芯源系统股份有限公司 | 使电路中的放电灯电流相等的装置、系统及方法 |
CN100426056C (zh) * | 2005-08-26 | 2008-10-15 | 鸿富锦精密工业(深圳)有限公司 | 多灯管驱动系统及方法 |
CN101060742B (zh) * | 2006-04-20 | 2011-11-30 | 台达电子工业股份有限公司 | 放电灯管的电源供应装置及其电流平衡装置 |
Also Published As
Publication number | Publication date |
---|---|
CN100346672C (zh) | 2007-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW595263B (en) | A circuit structure for driving cold cathode fluorescent lamp | |
CN1774154B (zh) | 灯管驱动方法及电路及其使用的基本电路区块 | |
CN101725849B (zh) | Led荧光灯 | |
CN1893755A (zh) | 使电路中的放电灯电流相等的装置、系统及方法 | |
TWI461110B (zh) | 多燈管之驅動電路、方法及其顯示系統 | |
CN1725072A (zh) | 用于光源的显示设备和驱动设备 | |
CN1942034A (zh) | 多灯管驱动系统 | |
KR20070074999A (ko) | 램프 구동 장치 및 이를 갖는 액정 표시 장치 | |
CN101409972B (zh) | 用于多个冷阴极荧光灯和/或外电极荧光灯的驱动器系统和方法 | |
CN1886021B (zh) | 多灯管驱动系统 | |
CN1140160C (zh) | 使用压电变压器的冷阴极荧光灯驱动装置 | |
TWI413331B (zh) | 被動式電流平衡驅動裝置 | |
CN104240651B (zh) | 用于液晶显示设备的led背光源及液晶显示设备 | |
CN100346672C (zh) | 驱动多根冷阴极荧光灯管的电路 | |
CN101080128B (zh) | 多灯管循环构架驱动系统及方法 | |
CN2706992Y (zh) | 驱动多根冷阴极荧光灯管的电路结构 | |
CN201718092U (zh) | 利用均匀交流电流驱动发光二极管的点灯装置 | |
Kim et al. | Analysis of current distribution in driving multiple cold cathode fluorescent lamps (CCFL) | |
CN101150907B (zh) | 光源驱动装置 | |
CN102271438B (zh) | 利用均匀交流电流驱动发光二极管的点灯装置 | |
CN100391314C (zh) | 多灯管驱动系统 | |
CN1149006C (zh) | 多负载的电源供应系统及多灯管的驱动系统 | |
CN101188898A (zh) | 用于多灯管的驱动电路和方法 | |
CN202145377U (zh) | 一种压电变压器驱动电路 | |
CN1271727C (zh) | 压电陶瓷晶体管 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1076222 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1076222 Country of ref document: HK |
|
ASS | Succession or assignment of patent right |
Owner name: YINGSHU CAYMAN CONCAVE CONVEX MICRO INTERNATIONAL Free format text: FORMER OWNER: AMERICA CONCAVE-CONVEX MICROSYSTEM INC. Effective date: 20080418 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080418 Address after: Cayman Islands (Great Britain) Grand Cayman Patentee after: O2 Micro Internat Ltd. Address before: American California Patentee before: O2 Micro Inc |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20131030 |