CN1920622A - 多灯管驱动系统及方法 - Google Patents
多灯管驱动系统及方法 Download PDFInfo
- Publication number
- CN1920622A CN1920622A CNA2005100369178A CN200510036917A CN1920622A CN 1920622 A CN1920622 A CN 1920622A CN A2005100369178 A CNA2005100369178 A CN A2005100369178A CN 200510036917 A CN200510036917 A CN 200510036917A CN 1920622 A CN1920622 A CN 1920622A
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- CN
- China
- Prior art keywords
- signal
- lamp
- circuit
- output terminal
- filtering
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 86
- 230000006641 stabilisation Effects 0.000 claims description 68
- 238000011105 stabilization Methods 0.000 claims description 68
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 abstract 4
- 239000003990 capacitor Substances 0.000 description 24
- 238000004804 winding Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 20
- 230000009466 transformation Effects 0.000 description 15
- 238000013461 design Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
- H05B41/2827—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (22)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100369178A CN100426056C (zh) | 2005-08-26 | 2005-08-26 | 多灯管驱动系统及方法 |
US11/308,580 US7550929B2 (en) | 2005-08-26 | 2006-04-08 | Power system and method for driving plural lamps |
KR1020060076155A KR100856201B1 (ko) | 2005-08-26 | 2006-08-11 | 다수의 램프를 구동시키기 위한 장치 및 방법 |
JP2006222694A JP2007066889A (ja) | 2005-08-26 | 2006-08-17 | ランプ駆動システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100369178A CN100426056C (zh) | 2005-08-26 | 2005-08-26 | 多灯管驱动系统及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1920622A true CN1920622A (zh) | 2007-02-28 |
CN100426056C CN100426056C (zh) | 2008-10-15 |
Family
ID=37778378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100369178A Expired - Fee Related CN100426056C (zh) | 2005-08-26 | 2005-08-26 | 多灯管驱动系统及方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7550929B2 (zh) |
JP (1) | JP2007066889A (zh) |
KR (1) | KR100856201B1 (zh) |
CN (1) | CN100426056C (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101836507A (zh) * | 2007-11-26 | 2010-09-15 | 半导体元件工业有限责任公司 | 形成荧光照明系统的方法和结构 |
CN102740556A (zh) * | 2011-04-14 | 2012-10-17 | 日亚化学工业株式会社 | 抑制高次谐波成分的发光二极管驱动装置 |
CN102056383B (zh) * | 2009-10-30 | 2013-06-05 | 国琏电子(上海)有限公司 | 多灯管驱动系统 |
TWI409739B (zh) * | 2008-01-22 | 2013-09-21 | Innolux Corp | 平面顯示器及其背光模組 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI350128B (en) * | 2005-08-10 | 2011-10-01 | Au Optronics Corp | Lamp drive circuit |
KR101233819B1 (ko) * | 2006-02-07 | 2013-02-18 | 삼성디스플레이 주식회사 | 램프 구동 장치 및 이를 포함한 액정 표시 장치 |
US20080265790A1 (en) * | 2007-04-27 | 2008-10-30 | Cheng-Chia Hsu | Coupled lamp driving device |
WO2009082375A1 (en) * | 2007-12-24 | 2009-07-02 | Utc Power Corporation | Harmonic filter with integrated power factor correction |
KR100896630B1 (ko) * | 2007-12-24 | 2009-05-08 | 삼성전기주식회사 | 멀티 램프 구동 장치 |
TWI379482B (en) * | 2009-07-07 | 2012-12-11 | Delta Electronics Inc | Current balance power supplying circuit for plural sets of dc loads |
KR101161927B1 (ko) * | 2009-09-23 | 2012-07-03 | 삼성전기주식회사 | 다중 발광 다이오드 램프 구동 장치 |
KR101053408B1 (ko) | 2010-02-23 | 2011-08-01 | 삼성전기주식회사 | 백라이트 유닛 구동 장치 |
US9800207B2 (en) * | 2014-08-13 | 2017-10-24 | Skyworks Solutions, Inc. | Doherty power amplifier combiner with tunable impedance termination circuit |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4479175A (en) * | 1982-08-13 | 1984-10-23 | Honeywell Inc. | Phase modulated switchmode power amplifier and waveform generator |
US4706177A (en) * | 1985-11-14 | 1987-11-10 | Elliot Josephson | DC-AC inverter with overload driving capability |
US4823249A (en) * | 1987-04-27 | 1989-04-18 | American Telephone And Telegraph Company At&T Bell Laboratories | High-frequency resonant power converter |
US5387821A (en) * | 1992-11-12 | 1995-02-07 | Allegro Microsystems, Inc. | Power distribution circuit with power factor correction and independent harmonic current filter |
GB2275140B (en) * | 1993-02-13 | 1997-06-18 | Kijima Co Ltd | Push-pull inverter |
JP3292788B2 (ja) * | 1995-03-29 | 2002-06-17 | 昌和 牛嶋 | 放電管用インバータ回路 |
US5619080A (en) * | 1995-11-02 | 1997-04-08 | Power & Ground Systems Corporation | Line filter for reducing AC harmonics |
WO1998047323A1 (fr) * | 1997-04-17 | 1998-10-22 | Toshiba Lighting & Technology Corporation | Piece d'eclairage a lampe a decharge et dispositif de commande d'eclairage |
US7180758B2 (en) * | 1999-07-22 | 2007-02-20 | Mks Instruments, Inc. | Class E amplifier with inductive clamp |
JP2001244094A (ja) * | 2000-02-28 | 2001-09-07 | Toshiba Lighting & Technology Corp | 放電灯点灯装置および液晶表示装置 |
KR100759362B1 (ko) * | 2001-01-18 | 2007-09-19 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
KR100404341B1 (ko) * | 2001-03-15 | 2003-11-05 | 앰비트 마이크로시스템즈 코포레이션 | 다중 램프 구동 시스템 |
TW521947U (en) | 2001-12-21 | 2003-02-21 | Multipal Technology Co Ltd | Improved driving circuit of cold cathode fluorescent lamp (CCFL) inverter |
KR100492388B1 (ko) * | 2002-02-21 | 2005-05-31 | 앰비트 마이크로시스템즈 코포레이션 | 다중 램프 구동 시스템 |
AU2002307896A1 (en) * | 2002-04-25 | 2003-11-10 | Nokia Corporation | Method and device for reducing high frequency error components of a multi-channel modulator |
KR100857848B1 (ko) * | 2002-05-17 | 2008-09-10 | 삼성전자주식회사 | 백라이트 어셈블리와 이의 구동 방법과 이를 갖는 액정 표시 장치 |
KR200303946Y1 (ko) | 2002-11-12 | 2003-02-12 | 비욘드 이노베이션 테크놀로지 컴퍼니 리미티드 | 멀티램프 액정 디스플레이용 제어회로 |
TW594808B (en) * | 2003-03-19 | 2004-06-21 | Darfon Electronics Corp | Transformer and its application in multi-tube voltage supply circuit |
TWI231090B (en) * | 2003-07-11 | 2005-04-11 | Origin Electric | Power supply for discharging |
JP4554989B2 (ja) * | 2003-07-30 | 2010-09-29 | パナソニック株式会社 | 冷陰極管点灯装置 |
ES2340169T3 (es) * | 2003-10-06 | 2010-05-31 | Microsemi Corporation | Esquema de distribucion de corrientes y dispositivo para operar multiples lamparas ccf. |
CN100346672C (zh) * | 2003-10-30 | 2007-10-31 | 美国凹凸微系有限公司 | 驱动多根冷阴极荧光灯管的电路 |
US7002304B2 (en) * | 2004-01-02 | 2006-02-21 | Lien Chang Electronic Enterprise Co., Ltd. | Multi-lamp drive device |
US7161305B2 (en) * | 2004-05-19 | 2007-01-09 | Monolithic Power Systems, Inc. | Method and apparatus for single-ended conversion of DC to AC power for driving discharge lamps |
KR100760941B1 (ko) * | 2004-09-23 | 2007-09-21 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 및 그의 구동 방법 |
US20060125424A1 (en) * | 2004-12-10 | 2006-06-15 | Analog Microelectronics, Inc. | Single ground scheme for CCFL circuitry |
TWI345430B (en) * | 2005-01-19 | 2011-07-11 | Monolithic Power Systems Inc | Method and apparatus for dc to ac power conversion for driving discharge lamps |
TWI252062B (en) * | 2005-04-20 | 2006-03-21 | Himax Tech Inc | Method for driving a fluorescent lamp and inverter circuit for performing such a method |
US7291987B2 (en) * | 2005-06-17 | 2007-11-06 | Hon Hai Precision Industry Co., Ltd. | Power supply system for flat panel display devices |
US20070114952A1 (en) * | 2005-11-18 | 2007-05-24 | Hui-Qiang Yang | Light source driver circuit |
-
2005
- 2005-08-26 CN CNB2005100369178A patent/CN100426056C/zh not_active Expired - Fee Related
-
2006
- 2006-04-08 US US11/308,580 patent/US7550929B2/en not_active Expired - Fee Related
- 2006-08-11 KR KR1020060076155A patent/KR100856201B1/ko not_active IP Right Cessation
- 2006-08-17 JP JP2006222694A patent/JP2007066889A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101836507A (zh) * | 2007-11-26 | 2010-09-15 | 半导体元件工业有限责任公司 | 形成荧光照明系统的方法和结构 |
TWI409739B (zh) * | 2008-01-22 | 2013-09-21 | Innolux Corp | 平面顯示器及其背光模組 |
CN102056383B (zh) * | 2009-10-30 | 2013-06-05 | 国琏电子(上海)有限公司 | 多灯管驱动系统 |
CN102740556A (zh) * | 2011-04-14 | 2012-10-17 | 日亚化学工业株式会社 | 抑制高次谐波成分的发光二极管驱动装置 |
CN102740556B (zh) * | 2011-04-14 | 2014-12-31 | 日亚化学工业株式会社 | 抑制高次谐波成分的发光二极管驱动装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2007066889A (ja) | 2007-03-15 |
KR20070024360A (ko) | 2007-03-02 |
US20070046218A1 (en) | 2007-03-01 |
KR100856201B1 (ko) | 2008-09-03 |
CN100426056C (zh) | 2008-10-15 |
US7550929B2 (en) | 2009-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guolian Electronics (Shanghai) Co., Ltd. Assignor: Hongfujin Precision Industry (Shenzhen) Co., Ltd.|Hon Hai Precision Industry Co., Ltd. Contract fulfillment period: 2008.11.15 to 2025.8.26 contract change Contract record no.: 2009990000255 Denomination of invention: Multiple lamp tube driving system and method Granted publication date: 20081015 License type: Exclusive license Record date: 2009.4.2 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.15 TO 2025.8.26; CHANGE OF CONTRACT Name of requester: GUO LIAN ELECTRONICS (SHANGHAI) CO., LTD. Effective date: 20090402 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20140826 |
|
EXPY | Termination of patent right or utility model |