TW200636654A - Constant-current drive - Google Patents

Constant-current drive

Info

Publication number
TW200636654A
TW200636654A TW094138251A TW94138251A TW200636654A TW 200636654 A TW200636654 A TW 200636654A TW 094138251 A TW094138251 A TW 094138251A TW 94138251 A TW94138251 A TW 94138251A TW 200636654 A TW200636654 A TW 200636654A
Authority
TW
Taiwan
Prior art keywords
current
sides
constant
mirror circuits
mirror
Prior art date
Application number
TW094138251A
Other languages
English (en)
Other versions
TWI309402B (zh
Inventor
Yoshimitsu Tanaka
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of TW200636654A publication Critical patent/TW200636654A/zh
Application granted granted Critical
Publication of TWI309402B publication Critical patent/TWI309402B/zh

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3216—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using a passive matrix

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Electrical Variables (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Amplifiers (AREA)
TW094138251A 2004-11-10 2005-11-01 Constant-current drive TW200636654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004326794A JP4311340B2 (ja) 2004-11-10 2004-11-10 定電流駆動装置

Publications (2)

Publication Number Publication Date
TW200636654A true TW200636654A (en) 2006-10-16
TWI309402B TWI309402B (zh) 2009-05-01

Family

ID=36336657

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094138251A TW200636654A (en) 2004-11-10 2005-11-01 Constant-current drive

Country Status (7)

Country Link
US (1) US7808284B2 (zh)
EP (1) EP1811358B1 (zh)
JP (1) JP4311340B2 (zh)
KR (1) KR101127494B1 (zh)
DE (1) DE602005024292D1 (zh)
TW (1) TW200636654A (zh)
WO (1) WO2006051992A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4809030B2 (ja) * 2005-09-28 2011-11-02 株式会社リコー 駆動回路及びその駆動回路を用いた電子機器
EP2198420A1 (en) * 2007-09-12 2010-06-23 Corning Incorporated Methods and apparatus for producing precision current over a wide dynamic range
JP4565283B2 (ja) 2008-06-10 2010-10-20 マイクロン テクノロジー， インク． 電圧調整系
US8183892B2 (en) 2009-06-05 2012-05-22 Fairchild Semiconductor Corporation Monolithic low impedance dual gate current sense MOSFET
US8816600B2 (en) * 2011-05-13 2014-08-26 Nxp B.V. Method of power and temperature control for high brightness light emitting diodes
CN102722213B (zh) * 2012-06-26 2014-03-26 昆明物理研究所 应用倒置电压跟随器的光伏探测器读出单元电路
CN103632635B (zh) * 2013-11-08 2016-04-13 电子科技大学 功率管分组混合驱动电路
CN104485073B (zh) * 2014-12-25 2017-02-22 广东威创视讯科技股份有限公司 Led显示屏亮度调节方法及系统
US20180348805A1 (en) * 2017-05-31 2018-12-06 Silicon Laboratories Inc. Bias Current Generator
US10720098B2 (en) * 2017-11-15 2020-07-21 Facebook Technologies, Llc Pulse-width-modulation control of micro LED

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62121492A (ja) * 1985-11-22 1987-06-02 日立超エル・エス・アイエンジニアリング株式会社 デイスプレイモジユ−ル
JPH0219909A (ja) * 1988-07-08 1990-01-23 Canon Inc 定電流回路
US5963071A (en) * 1998-01-22 1999-10-05 Nanoamp Solutions, Inc. Frequency doubler with adjustable duty cycle
JP3315652B2 (ja) * 1998-09-07 2002-08-19 キヤノン株式会社 電流出力回路
KR100296113B1 (ko) * 1999-06-03 2001-07-12 구본준, 론 위라하디락사 전기발광소자
KR100566813B1 (ko) * 2000-02-03 2006-04-03 엘지.필립스 엘시디 주식회사 일렉트로 루미네센스 셀 구동회로
KR100327374B1 (ko) * 2000-03-06 2002-03-06 구자홍 액티브 구동 회로
JP3610923B2 (ja) * 2001-05-30 2005-01-19 ソニー株式会社 アクティブマトリクス型表示装置およびアクティブマトリクス型有機エレクトロルミネッセンス表示装置、並びにそれらの駆動方法
CN100371962C (zh) * 2001-08-29 2008-02-27 株式会社半导体能源研究所 发光器件、发光器件驱动方法、以及电子设备
JP2003187988A (ja) * 2001-12-20 2003-07-04 Sharp Corp 白色発光ダイオードの駆動装置
KR100618574B1 (ko) * 2001-12-29 2006-08-31 엘지.필립스 엘시디 주식회사 유기 전계 발광 소자의 구동 회로
JP2003273749A (ja) * 2002-03-18 2003-09-26 Seiko Epson Corp 信号伝送装置及び信号伝送方法、電子装置並びに電子機器
JP3866606B2 (ja) * 2002-04-08 2007-01-10 Ｎｅｃエレクトロニクス株式会社 表示装置の駆動回路およびその駆動方法
US7271784B2 (en) * 2002-12-18 2007-09-18 Semiconductor Energy Laboratory Co., Ltd. Display device and driving method thereof
JP4662698B2 (ja) * 2003-06-25 2011-03-30 ルネサスエレクトロニクス株式会社 電流源回路、並びに電流設定方法

Also Published As

Publication number Publication date
EP1811358A1 (en) 2007-07-25
US20090121750A1 (en) 2009-05-14
DE602005024292D1 (de) 2010-12-02
EP1811358A4 (en) 2009-01-21
KR101127494B1 (ko) 2012-03-23
KR20070085046A (ko) 2007-08-27
US7808284B2 (en) 2010-10-05
WO2006051992A1 (ja) 2006-05-18
EP1811358B1 (en) 2010-10-20
JP4311340B2 (ja) 2009-08-12
JP2006139405A (ja) 2006-06-01
TWI309402B (zh) 2009-05-01

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Legal Events

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