TWI291684B - Drive circuit - Google Patents

Drive circuit Download PDF

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Publication number
TWI291684B
TWI291684B TW094108305A TW94108305A TWI291684B TW I291684 B TWI291684 B TW I291684B TW 094108305 A TW094108305 A TW 094108305A TW 94108305 A TW94108305 A TW 94108305A TW I291684 B TWI291684 B TW I291684B
Authority
TW
Taiwan
Prior art keywords
voltage
transistor
switching element
circuit
capacitor
Prior art date
Application number
TW094108305A
Other languages
English (en)
Chinese (zh)
Other versions
TW200539098A (en
Inventor
Shuhei Kawai
Takashige Ogata
Tatsuya Suzuki
Original Assignee
Sanyo Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200539098A publication Critical patent/TW200539098A/zh
Application granted granted Critical
Publication of TWI291684B publication Critical patent/TWI291684B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/06—Modifications for ensuring a fully conducting state
    • H03K17/063—Modifications for ensuring a fully conducting state in field-effect transistor switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • H05B45/397—Current mirror circuits
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4092—Threaded sections, e.g. screw
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/0036—Means reducing energy consumption
    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Led Devices (AREA)
  • Control Of Electrical Variables (AREA)
TW094108305A 2004-03-30 2005-03-18 Drive circuit TWI291684B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004097607A JP2005284710A (ja) 2004-03-30 2004-03-30 駆動回路

Publications (2)

Publication Number Publication Date
TW200539098A TW200539098A (en) 2005-12-01
TWI291684B true TWI291684B (en) 2007-12-21

Family

ID=35050202

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094108305A TWI291684B (en) 2004-03-30 2005-03-18 Drive circuit

Country Status (5)

Country Link
US (1) US7463236B2 (enExample)
JP (1) JP2005284710A (enExample)
KR (1) KR100729702B1 (enExample)
CN (1) CN1677861A (enExample)
TW (1) TWI291684B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
TWI273725B (en) * 2004-10-13 2007-02-11 Richtek Technology Corp Charge pump applied to LED driving circuit
KR101219036B1 (ko) * 2005-05-02 2013-01-07 삼성디스플레이 주식회사 유기 발광 표시 장치
US7816975B2 (en) * 2005-09-20 2010-10-19 Hewlett-Packard Development Company, L.P. Circuit and method for bias voltage generation
JP5050715B2 (ja) * 2007-08-01 2012-10-17 株式会社デンソー 発光ダイオード駆動回路
JP5151695B2 (ja) * 2008-05-29 2013-02-27 富士通株式会社 駆動回路および光スイッチ
KR20130086847A (ko) * 2012-01-26 2013-08-05 삼성전자주식회사 음의 전력을 이용하여 리키지 전력 소모를 줄이는 저전력 회로
EP2642823B1 (en) 2012-03-24 2016-06-15 Dialog Semiconductor GmbH Method for optimizing efficiency versus load current in an inductive boost converter for white LED driving
US10075139B2 (en) * 2016-11-08 2018-09-11 Stmicroelectronics, Inc. Linear high voltage driver with programmable differential and common mode gain

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914869A (en) 1997-09-15 1999-06-22 General Instrument Corporation Ac/dc transformerless voltage converter
KR100377698B1 (ko) 1999-12-08 2003-03-29 산요 덴키 가부시키가이샤 차지펌프 회로
JP3475173B2 (ja) 1999-12-08 2003-12-08 三洋電機株式会社 チャージポンプ回路
JP3671012B2 (ja) 2002-03-07 2005-07-13 三洋電機株式会社 表示装置
KR100455991B1 (ko) * 2002-08-28 2004-11-08 삼성전자주식회사 이동 단말기의 액정 표시부 백라이트 제어 장치
TW555350U (en) 2002-08-29 2003-09-21 Prec Instr Dev Ct Nat S Low voltage driving lighting, false-proof distinguishing and indicating light-emitting device
JP3949040B2 (ja) 2002-09-25 2007-07-25 東北パイオニア株式会社 発光表示パネルの駆動装置
JP2004179138A (ja) * 2002-10-01 2004-06-24 Sanyo Electric Co Ltd エレクトロルミネッセンス表示装置及びその製造方法
TWI253042B (en) * 2003-05-14 2006-04-11 Au Optronics Corp Driving method and pixel structure of active matrix type LCD panel

Also Published As

Publication number Publication date
JP2005284710A (ja) 2005-10-13
US20050218970A1 (en) 2005-10-06
KR20060044893A (ko) 2006-05-16
TW200539098A (en) 2005-12-01
US7463236B2 (en) 2008-12-09
KR100729702B1 (ko) 2007-06-19
CN1677861A (zh) 2005-10-05

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees