JP2005322539A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2005322539A JP2005322539A JP2004140347A JP2004140347A JP2005322539A JP 2005322539 A JP2005322539 A JP 2005322539A JP 2004140347 A JP2004140347 A JP 2004140347A JP 2004140347 A JP2004140347 A JP 2004140347A JP 2005322539 A JP2005322539 A JP 2005322539A
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- JP
- Japan
- Prior art keywords
- gate
- anode
- current
- fluorescent lamp
- cold cathode
- 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
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
【解決手段】車両用灯具は、カソード、ゲート、およびアノードを有する冷陰極蛍光灯と、冷陰極蛍光灯のカソードとアノードとの間に加速電圧を印加するアノード電圧印加コイルとを備え、アノード電圧印加コイルは、2次側の一端が1次側の基準電位に接続されている。また、車両用灯具は、アノード電圧印加コイルの2次側における基準電位との接続点と、冷陰極蛍光灯との間の電流を検出するアノード電流検出部を更に備えてもよい。
【選択図】図3
Description
Claims (4)
- カソード、ゲート、およびアノードを有する冷陰極蛍光灯と、
前記冷陰極蛍光灯の前記カソードと前記アノードとの間に加速電圧を印加するアノード電圧印加コイルと
を備え、
前記アノード電圧印加コイルは、2次側の一端が1次側の基準電位に接続されている車両用灯具。 - 前記アノード電圧印加コイルの2次側における前記基準電位との接続点と、前記冷陰極蛍光灯との間の電流を検出するアノード電流検出部を更に備える請求項1に記載の車両用灯具。
- 前記カソードと前記ゲートとの間にゲート電圧を印加するゲート電圧印加コイルを更に備え、
前記ゲート電圧印加コイルは、2次側の一端がコンデンサを介して1次側の基準電位に接続されている請求項1に記載の車両用灯具。 - 前記ゲート電圧印加コイルの2次側における前記コンデンサとの接続点と、前記冷陰極蛍光灯との間の電流を検出するゲート電流検出部を更に備える請求項3に記載の車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004140347A JP4499474B2 (ja) | 2004-05-10 | 2004-05-10 | 車両用灯具 |
US11/124,479 US7208880B2 (en) | 2004-05-10 | 2005-05-06 | Vehicular lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004140347A JP4499474B2 (ja) | 2004-05-10 | 2004-05-10 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005322539A true JP2005322539A (ja) | 2005-11-17 |
JP4499474B2 JP4499474B2 (ja) | 2010-07-07 |
Family
ID=35238861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004140347A Expired - Fee Related JP4499474B2 (ja) | 2004-05-10 | 2004-05-10 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7208880B2 (ja) |
JP (1) | JP4499474B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009259431A (ja) * | 2008-04-11 | 2009-11-05 | Ichikoh Ind Ltd | 車両用灯具 |
JP2010225319A (ja) * | 2009-03-19 | 2010-10-07 | Fuji Heavy Ind Ltd | 発光装置及び面発光モジュール |
KR101031491B1 (ko) | 2008-08-27 | 2011-04-29 | 쌍용자동차 주식회사 | 자동차용 자동점멸기의 노이지 제거장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101819233B1 (ko) * | 2011-03-24 | 2018-01-16 | 엘지이노텍 주식회사 | 드라이버 ic 입력단의 emi 제거 회로 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04308636A (ja) * | 1991-04-04 | 1992-10-30 | Sony Corp | 薄型陰極線管 |
JP2000058279A (ja) * | 1998-07-31 | 2000-02-25 | Yazaki Corp | 冷陰極管点灯インバータ |
JP2001350444A (ja) * | 2000-06-05 | 2001-12-21 | Futaba Corp | 電界放出型表示装置 |
JP2004087374A (ja) * | 2002-08-28 | 2004-03-18 | Minebea Co Ltd | 放電灯点灯回路 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424098A (en) * | 1967-01-12 | 1969-01-28 | Lloyd F Bender | Dump valve for fluid conveying apparatus |
JPH01178043A (ja) * | 1988-01-05 | 1989-07-14 | Mitsubishi Electric Corp | 車載用制動灯装置 |
US5666005A (en) * | 1995-11-07 | 1997-09-09 | Watford; Stephen Lionel | Electrostatic windshield wiper and headlight control circuit |
US7006768B1 (en) * | 1997-01-02 | 2006-02-28 | Franklin Philip G | Method and apparatus for the zonal transmission of data using building lighting fixtures |
US6087787A (en) * | 1998-11-23 | 2000-07-11 | Linear Technology Corporation | Fluorescent-lamp excitation circuit with frequency and amplitude control and methods for using same |
JP3861484B2 (ja) | 1998-12-10 | 2006-12-20 | 松下電器産業株式会社 | 電子放出素子及びその駆動方法 |
US6198234B1 (en) * | 1999-06-09 | 2001-03-06 | Linfinity Microelectronics | Dimmable backlight system |
US6392364B1 (en) * | 1999-06-21 | 2002-05-21 | Denso Corporation | High voltage discharge lamp apparatus for vehicles |
US6483245B1 (en) * | 2000-09-08 | 2002-11-19 | Visteon Corporation | Automatic brightness control using a variable time constant filter |
US6404132B1 (en) * | 2001-03-27 | 2002-06-11 | Liteglow Industries, Inc. | Neon cruising lights for use with motor vehicle headlights |
DE10126492B4 (de) * | 2001-05-31 | 2004-05-19 | Daimlerchrysler Ag | Verfahren zur Verbesserung der Sicht in Fahrzeugen |
JP2003151787A (ja) * | 2001-08-29 | 2003-05-23 | Harison Toshiba Lighting Corp | 高圧放電ランプ点灯装置および自動車用ヘッドライト装置 |
JP4085801B2 (ja) * | 2002-03-11 | 2008-05-14 | 株式会社デンソー | 放電灯装置 |
US6870329B2 (en) * | 2002-04-26 | 2005-03-22 | Vector Products, Inc. | PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller |
JP2004136719A (ja) * | 2002-10-15 | 2004-05-13 | Koito Mfg Co Ltd | 点灯回路 |
-
2004
- 2004-05-10 JP JP2004140347A patent/JP4499474B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-06 US US11/124,479 patent/US7208880B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04308636A (ja) * | 1991-04-04 | 1992-10-30 | Sony Corp | 薄型陰極線管 |
JP2000058279A (ja) * | 1998-07-31 | 2000-02-25 | Yazaki Corp | 冷陰極管点灯インバータ |
JP2001350444A (ja) * | 2000-06-05 | 2001-12-21 | Futaba Corp | 電界放出型表示装置 |
JP2004087374A (ja) * | 2002-08-28 | 2004-03-18 | Minebea Co Ltd | 放電灯点灯回路 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009259431A (ja) * | 2008-04-11 | 2009-11-05 | Ichikoh Ind Ltd | 車両用灯具 |
KR101031491B1 (ko) | 2008-08-27 | 2011-04-29 | 쌍용자동차 주식회사 | 자동차용 자동점멸기의 노이지 제거장치 |
JP2010225319A (ja) * | 2009-03-19 | 2010-10-07 | Fuji Heavy Ind Ltd | 発光装置及び面発光モジュール |
Also Published As
Publication number | Publication date |
---|---|
US20050248294A1 (en) | 2005-11-10 |
JP4499474B2 (ja) | 2010-07-07 |
US7208880B2 (en) | 2007-04-24 |
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