CN1829407A - 冷阴极管点亮装置、驱动方法及该点亮装置用的集成电路 - Google Patents
冷阴极管点亮装置、驱动方法及该点亮装置用的集成电路 Download PDFInfo
- Publication number
- CN1829407A CN1829407A CNA2006100549809A CN200610054980A CN1829407A CN 1829407 A CN1829407 A CN 1829407A CN A2006100549809 A CNA2006100549809 A CN A2006100549809A CN 200610054980 A CN200610054980 A CN 200610054980A CN 1829407 A CN1829407 A CN 1829407A
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- China
- Prior art keywords
- cold
- cathode tube
- tube
- current
- transformer
- 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 description 17
- 238000012360 testing method Methods 0.000 claims description 36
- 230000008859 change Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 17
- 230000010355 oscillation Effects 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 238000007323 disproportionation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012545 processing 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
- 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
- H05B41/2828—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 control circuits for the switching elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005054698 | 2005-02-28 | ||
JP2005054698A JP2006244728A (ja) | 2005-02-28 | 2005-02-28 | 冷陰極管点灯装置、該冷陰極管点灯装置に用いられる駆動方法及び集積回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1829407A true CN1829407A (zh) | 2006-09-06 |
CN100593359C CN100593359C (zh) | 2010-03-03 |
Family
ID=36931422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610054980A Expired - Fee Related CN100593359C (zh) | 2005-02-28 | 2006-02-27 | 冷阴极管点亮装置、驱动方法及该点亮装置用的集成电路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7372211B2 (zh) |
JP (1) | JP2006244728A (zh) |
KR (1) | KR100685545B1 (zh) |
CN (1) | CN100593359C (zh) |
TW (1) | TWI322642B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101807857A (zh) * | 2010-03-29 | 2010-08-18 | 北京新雷能科技股份有限公司 | 电流取样电路 |
CN101917813A (zh) * | 2010-02-03 | 2010-12-15 | 顾宪明 | 用于hid电子镇流器的后级驱动电路 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100799404B1 (ko) | 2005-08-23 | 2008-01-30 | 엔이씨 엘씨디 테크놀로지스, 엘티디. | 냉음극관 점등 장치, 상기 냉음극관 점등 장치에 이용되는 관전류 검출 회로, 및 관전류 제어 방법 |
JP2008275978A (ja) * | 2007-05-01 | 2008-11-13 | Funai Electric Co Ltd | 液晶表示装置及び液晶テレビジョン |
US8664876B2 (en) * | 2009-06-29 | 2014-03-04 | Tai-Her Yang | Lighting device with optical pulsation suppression by polyphase-driven electric energy |
JP5327101B2 (ja) * | 2010-03-03 | 2013-10-30 | アンデン株式会社 | 過電流保護回路 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09237684A (ja) * | 1995-12-26 | 1997-09-09 | Tokin Corp | インバータ回路 |
JPH09199289A (ja) * | 1996-01-23 | 1997-07-31 | Tokin Corp | 電源装置 |
JPH11126696A (ja) * | 1997-10-24 | 1999-05-11 | Tokin Corp | 液晶ディスプレイのバックライト用インバータ |
JP4142777B2 (ja) * | 1997-10-16 | 2008-09-03 | Necトーキン株式会社 | 冷陰極管点灯用インバータ |
JP3858407B2 (ja) | 1998-01-14 | 2006-12-13 | 松下電工株式会社 | 放電灯点灯装置 |
JP2000243586A (ja) * | 1999-02-23 | 2000-09-08 | Tokin Corp | 冷陰極管点灯用インバータ |
JP2002017090A (ja) | 2000-04-27 | 2002-01-18 | Matsushita Electric Ind Co Ltd | 圧電トランスの駆動方法および駆動装置 |
JP2002352973A (ja) * | 2001-05-25 | 2002-12-06 | Matsushita Electric Ind Co Ltd | 蛍光灯点灯回路、画像表示応用機器、およびプログラム |
JP2003168584A (ja) | 2001-11-30 | 2003-06-13 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
KR100603919B1 (ko) * | 2002-03-27 | 2006-07-24 | 산켄덴키 가부시키가이샤 | 냉음극관 점등 장치 |
JP2003324962A (ja) | 2002-04-26 | 2003-11-14 | Toko Inc | 圧電トランス駆動回路 |
JP2004241136A (ja) * | 2003-02-03 | 2004-08-26 | Tdk Corp | 放電灯点灯装置及びその放電灯点灯装置を備えた表示装置 |
JP2005005059A (ja) * | 2003-06-10 | 2005-01-06 | Fdk Corp | 放電管点灯用他励式インバータ回路 |
TW200517014A (en) * | 2003-11-10 | 2005-05-16 | Kazuo Kohno | Drive circuit for lighting fixture |
KR101046921B1 (ko) * | 2003-12-04 | 2011-07-06 | 삼성전자주식회사 | 액정 표시 장치 및 표시 장치용 광원의 구동 장치 |
JP2006039345A (ja) * | 2004-07-29 | 2006-02-09 | Matsushita Electric Ind Co Ltd | バックライト調光装置 |
-
2005
- 2005-02-28 JP JP2005054698A patent/JP2006244728A/ja active Pending
-
2006
- 2006-02-24 KR KR1020060018079A patent/KR100685545B1/ko not_active IP Right Cessation
- 2006-02-27 CN CN200610054980A patent/CN100593359C/zh not_active Expired - Fee Related
- 2006-02-27 TW TW095106576A patent/TWI322642B/zh not_active IP Right Cessation
- 2006-02-28 US US11/362,839 patent/US7372211B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101917813A (zh) * | 2010-02-03 | 2010-12-15 | 顾宪明 | 用于hid电子镇流器的后级驱动电路 |
CN101917813B (zh) * | 2010-02-03 | 2014-04-09 | 顾宪明 | 用于hid电子镇流器的后级驱动电路 |
CN101807857A (zh) * | 2010-03-29 | 2010-08-18 | 北京新雷能科技股份有限公司 | 电流取样电路 |
CN101807857B (zh) * | 2010-03-29 | 2012-08-08 | 北京新雷能科技股份有限公司 | 电流取样电路 |
Also Published As
Publication number | Publication date |
---|---|
JP2006244728A (ja) | 2006-09-14 |
TWI322642B (en) | 2010-03-21 |
US20060192500A1 (en) | 2006-08-31 |
KR20060095474A (ko) | 2006-08-31 |
US7372211B2 (en) | 2008-05-13 |
KR100685545B1 (ko) | 2007-02-22 |
CN100593359C (zh) | 2010-03-03 |
TW200637434A (en) | 2006-10-16 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: NIPPON ELECTRIC CO., LTD. Free format text: FORMER OWNER: NEC LCD TECHNOLOGY CO.,LTD Effective date: 20100611 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: KANAGAWA-KEN, JAPAN TO: TOKYO, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100611 Address after: Tokyo, Japan Patentee after: NEC Corp. Address before: Kanagawa, Japan Patentee before: NEC LCD Technologies, Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: GETENA FUND CO., LTD. Free format text: FORMER OWNER: NEC CORP. Effective date: 20110803 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110803 Address after: Delaware, USA Patentee after: Nippon Electric Co. Address before: Tokyo, Japan Patentee before: NEC Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20160227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |