TW200607393A - Boost controller capable of step-up ratio control - Google Patents

Boost controller capable of step-up ratio control

Info

Publication number
TW200607393A
TW200607393A TW094110038A TW94110038A TW200607393A TW 200607393 A TW200607393 A TW 200607393A TW 094110038 A TW094110038 A TW 094110038A TW 94110038 A TW94110038 A TW 94110038A TW 200607393 A TW200607393 A TW 200607393A
Authority
TW
Taiwan
Prior art keywords
circuit
constant current
voltage
led
charge pump
Prior art date
Application number
TW094110038A
Other languages
English (en)
Inventor
Isao Yamamoto
Kyoichiro Araki
Noboru Kagemoto
Original Assignee
Rohm Co Ltd
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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200607393A publication Critical patent/TW200607393A/zh

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H10K59/1315—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/82—Cathodes
    • H10K50/824—Cathodes combined with auxiliary electrodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/17—Passive-matrix OLED displays
    • H10K59/179—Interconnections, e.g. wiring lines or terminals
    • H10K59/1795—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Dc-Dc Converters (AREA)
  • Led Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
TW094110038A 2004-03-30 2005-03-30 Boost controller capable of step-up ratio control TW200607393A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004098303 2004-03-30
JP2005032788A JP4308158B2 (ja) 2004-03-30 2005-02-09 昇圧制御装置およびそれを用いた電子装置

Publications (1)

Publication Number Publication Date
TW200607393A true TW200607393A (en) 2006-02-16

Family

ID=35050177

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094110038A TW200607393A (en) 2004-03-30 2005-03-30 Boost controller capable of step-up ratio control

Country Status (5)

Country Link
US (1) US7307385B2 (zh)
JP (1) JP4308158B2 (zh)
KR (1) KR20060045012A (zh)
CN (1) CN100514808C (zh)
TW (1) TW200607393A (zh)

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TWI398187B (zh) * 2009-06-30 2013-06-01 Hon Hai Prec Ind Co Ltd Led控制電路
TWI415524B (zh) * 2009-07-06 2013-11-11 Novatek Microelectronics Corp 避免軟開機閃爍之發光二極體裝置及方法

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DE102005012662B4 (de) * 2005-03-18 2015-02-12 Austriamicrosystems Ag Anordnung mit Spannungskonverter zur Spannungsversorgung einer elektrischen Last und Verfahren zur Spannungsversorgung einer elektrischen Last
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JP5078464B2 (ja) * 2007-06-29 2012-11-21 株式会社リコー チャージポンプ回路
KR101344020B1 (ko) 2007-11-30 2013-12-24 삼성전자주식회사 직류―직류 변환기
JP2009183111A (ja) * 2008-01-31 2009-08-13 Panasonic Corp チャージポンプ回路およびそれを備える電子機器
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JP6198442B2 (ja) * 2013-04-24 2017-09-20 新日本無線株式会社 定電流保護回路
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TWI398187B (zh) * 2009-06-30 2013-06-01 Hon Hai Prec Ind Co Ltd Led控制電路
TWI415524B (zh) * 2009-07-06 2013-11-11 Novatek Microelectronics Corp 避免軟開機閃爍之發光二極體裝置及方法
US8610360B2 (en) 2009-07-06 2013-12-17 Novatek Microelectronics Corp. LED device and method for preventing soft-start flicker

Also Published As

Publication number Publication date
CN1677816A (zh) 2005-10-05
CN100514808C (zh) 2009-07-15
JP2005318787A (ja) 2005-11-10
JP4308158B2 (ja) 2009-08-05
KR20060045012A (ko) 2006-05-16
US7307385B2 (en) 2007-12-11
US20050231127A1 (en) 2005-10-20

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