CN1714385A - 用于液晶显示器的多输出dc/dc变换器 - Google Patents

用于液晶显示器的多输出dc/dc变换器 Download PDF

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Publication number
CN1714385A
CN1714385A CNA2003801040203A CN200380104020A CN1714385A CN 1714385 A CN1714385 A CN 1714385A CN A2003801040203 A CNA2003801040203 A CN A2003801040203A CN 200380104020 A CN200380104020 A CN 200380104020A CN 1714385 A CN1714385 A CN 1714385A
Authority
CN
China
Prior art keywords
lcd
voltage
voltages
capacitor
define
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.)
Pending
Application number
CNA2003801040203A
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English (en)
Chinese (zh)
Inventor
F·A·C·M·斯库夫斯
W·J·R·范利尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1714385A publication Critical patent/CN1714385A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3696—Generation of voltages supplied to electrode drivers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0275—Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0083—Converters characterised by their input or output configuration
    • H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Dc-Dc Converters (AREA)
CNA2003801040203A 2002-11-25 2003-11-21 用于液晶显示器的多输出dc/dc变换器 Pending CN1714385A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02079886.4 2002-11-25
EP02079886 2002-11-25

Publications (1)

Publication Number Publication Date
CN1714385A true CN1714385A (zh) 2005-12-28

Family

ID=32338101

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2003801040203A Pending CN1714385A (zh) 2002-11-25 2003-11-21 用于液晶显示器的多输出dc/dc变换器

Country Status (7)

Country Link
US (1) US20060012585A1 (https=)
EP (1) EP1568007A1 (https=)
JP (1) JP2006507534A (https=)
KR (1) KR20050085144A (https=)
CN (1) CN1714385A (https=)
AU (1) AU2003283623A1 (https=)
WO (1) WO2004049296A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103677040A (zh) * 2012-09-25 2014-03-26 清华大学 一种参考电压的驱动电路
CN104350538A (zh) * 2012-05-31 2015-02-11 高通Mems科技公司 感测干涉式调制器的致动和释放电压的系统和方法
TWI485686B (zh) * 2012-05-31 2015-05-21 Qualcomm Mems Technologies Inc 用於產生顯示驅動器輸出的充電泵

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* Cited by examiner, † Cited by third party
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US7139081B2 (en) * 2002-09-09 2006-11-21 Zygo Corporation Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures
US7427985B2 (en) 2003-10-31 2008-09-23 Au Optronics Corp. Integrated circuit for driving liquid crystal display device
GB0416881D0 (en) * 2004-07-29 2004-09-01 Koninkl Philips Electronics Nv Apparatus comprising a charge pump and LCD driver comprising such an apparatus
US20070279350A1 (en) * 2006-06-02 2007-12-06 Kent Displays Incorporated Method and apparatus for driving bistable liquid crystal display
US7675239B2 (en) * 2006-08-11 2010-03-09 Kent Displays Incorporated Power management method and device for low-power displays
US7782027B2 (en) * 2006-12-30 2010-08-24 Advanced Analogic Technologies, Inc. High-efficiency DC/DC voltage converter including down inductive switching pre-regulator and capacitive switching post-converter
DE102007014384A1 (de) * 2007-03-26 2008-10-02 Austriamicrocsystems Ag Spannungskonverter und Verfahren zur Spannungskonversion
US7907116B2 (en) * 2007-05-03 2011-03-15 Solomon Systech Limited Dual output voltage system with charge recycling
US9559590B2 (en) * 2008-03-06 2017-01-31 Infineon Technologies Austria Ag Methods and apparatus for a power supply
US8482551B2 (en) * 2008-10-29 2013-07-09 Himax Technologies Limited Display system
US8525818B2 (en) * 2008-10-29 2013-09-03 Himax Technologies Limited Display system
US8194060B2 (en) * 2008-10-29 2012-06-05 Himax Technologies Limited Display system
TWI399908B (zh) * 2009-02-12 2013-06-21 Himax Tech Ltd 顯示系統
US8884940B2 (en) * 2010-01-06 2014-11-11 Qualcomm Mems Technologies, Inc. Charge pump for producing display driver output
JP5707072B2 (ja) * 2010-03-09 2015-04-22 奇景光電股▲ふん▼有限公司 表示システム
US10103621B2 (en) 2014-08-18 2018-10-16 Philips Lighting Holding B.V. Multi-stage switched capacitor converter and variable conversion ratio switched capacitor converter
CN106849645A (zh) * 2016-08-15 2017-06-13 珠海市魅族科技有限公司 一种充电电路、方法及电子装置
US11922892B2 (en) * 2021-01-20 2024-03-05 Meta Platforms Technologies, Llc High-efficiency backlight driver

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Publication number Priority date Publication date Assignee Title
JPH07120718A (ja) * 1993-08-31 1995-05-12 Sharp Corp 液晶表示装置の駆動電圧発生装置
WO1996002865A1 (en) * 1994-07-14 1996-02-01 Seiko Epson Corporation Power source circuit, liquid crystal display device, and electronic device
CN1134693C (zh) * 1995-01-11 2004-01-14 精工爱普生株式会社 电源电路、液晶显示装置和电子设备
JP4010124B2 (ja) * 1995-01-11 2007-11-21 セイコーエプソン株式会社 電源回路、液晶表示装置及び電子機器
JP3569922B2 (ja) * 1997-03-28 2004-09-29 セイコーエプソン株式会社 電源回路、表示装置及び電子機器
KR100455651B1 (ko) * 1997-08-08 2005-01-17 삼성전자주식회사 다중출력 직류/직류 전압 변환장치 및 이를 이용한 액정 표시 장치
JPH11231279A (ja) * 1998-02-12 1999-08-27 Toshiba Corp 液晶駆動回路
JP2000200068A (ja) * 1998-12-28 2000-07-18 Casio Comput Co Ltd 電源回路
JP2001075536A (ja) * 1999-09-03 2001-03-23 Nec Corp 昇圧回路、電源回路及び液晶駆動装置
TW486869B (en) * 1999-12-27 2002-05-11 Sanyo Electric Co Voltage producing circuit and a display device provided with such voltage producing circuit
WO2002035507A1 (en) * 2000-10-27 2002-05-02 Matsushita Electric Industrial Co., Ltd. Display
JP2002262547A (ja) * 2001-03-01 2002-09-13 Sharp Corp 表示装置用電源回路およびそれを搭載する表示装置
JP2004180364A (ja) * 2002-11-25 2004-06-24 Seiko Epson Corp 電源回路

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104350538A (zh) * 2012-05-31 2015-02-11 高通Mems科技公司 感测干涉式调制器的致动和释放电压的系统和方法
CN104364836A (zh) * 2012-05-31 2015-02-18 高通Mems科技公司 感测干涉式调制器的致动和释放电压的系统和方法
TWI485686B (zh) * 2012-05-31 2015-05-21 Qualcomm Mems Technologies Inc 用於產生顯示驅動器輸出的充電泵
TWI489434B (zh) * 2012-05-31 2015-06-21 Qualcomm Mems Technologies Inc 用於感測干涉調制器的致動和釋放電壓的系統和方法
US9135843B2 (en) 2012-05-31 2015-09-15 Qualcomm Mems Technologies, Inc. Charge pump for producing display driver output
CN103677040A (zh) * 2012-09-25 2014-03-26 清华大学 一种参考电压的驱动电路
CN103677040B (zh) * 2012-09-25 2016-07-20 清华大学 一种参考电压的驱动电路

Also Published As

Publication number Publication date
WO2004049296A1 (en) 2004-06-10
JP2006507534A (ja) 2006-03-02
KR20050085144A (ko) 2005-08-29
AU2003283623A1 (en) 2004-06-18
US20060012585A1 (en) 2006-01-19
EP1568007A1 (en) 2005-08-31

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication