KR20050085144A - 액정 디스플레이 시스템 - Google Patents
액정 디스플레이 시스템 Download PDFInfo
- Publication number
- KR20050085144A KR20050085144A KR1020057009332A KR20057009332A KR20050085144A KR 20050085144 A KR20050085144 A KR 20050085144A KR 1020057009332 A KR1020057009332 A KR 1020057009332A KR 20057009332 A KR20057009332 A KR 20057009332A KR 20050085144 A KR20050085144 A KR 20050085144A
- Authority
- KR
- South Korea
- Prior art keywords
- lcd
- voltage
- capacitor
- lcd drive
- liquid crystal
- 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.)
- Withdrawn
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 84
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 12
- 230000001413 cellular effect Effects 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
Landscapes
- 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)
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 |
|---|---|
| KR20050085144A true KR20050085144A (ko) | 2005-08-29 |
Family
ID=32338101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057009332A Withdrawn KR20050085144A (ko) | 2002-11-25 | 2003-11-21 | 액정 디스플레이 시스템 |
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=) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US9135843B2 (en) * | 2012-05-31 | 2015-09-15 | Qualcomm Mems Technologies, Inc. | Charge pump for producing display driver output |
| US20130321379A1 (en) * | 2012-05-31 | 2013-12-05 | Qualcomm Mems Technologies, Inc. | System and method of sensing actuation and release voltages of interferometric modulators |
| CN103677040B (zh) * | 2012-09-25 | 2016-07-20 | 清华大学 | 一种参考电压的驱动电路 |
| 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 |
Family Cites Families (13)
| 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 |
-
2003
- 2003-11-21 CN CNA2003801040203A patent/CN1714385A/zh active Pending
- 2003-11-21 WO PCT/IB2003/005316 patent/WO2004049296A1/en not_active Ceased
- 2003-11-21 KR KR1020057009332A patent/KR20050085144A/ko not_active Withdrawn
- 2003-11-21 JP JP2004554823A patent/JP2006507534A/ja active Pending
- 2003-11-21 US US10/535,752 patent/US20060012585A1/en not_active Abandoned
- 2003-11-21 AU AU2003283623A patent/AU2003283623A1/en not_active Abandoned
- 2003-11-21 EP EP03775603A patent/EP1568007A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN1714385A (zh) | 2005-12-28 |
| WO2004049296A1 (en) | 2004-06-10 |
| JP2006507534A (ja) | 2006-03-02 |
| AU2003283623A1 (en) | 2004-06-18 |
| US20060012585A1 (en) | 2006-01-19 |
| EP1568007A1 (en) | 2005-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20050085144A (ko) | 액정 디스플레이 시스템 | |
| US20210249951A1 (en) | Power supply device and control method for power supply device | |
| US7701182B2 (en) | DC-DC converter | |
| EP2176953B1 (en) | Time-multiplexed-capacitor dc/dc converter with multiple outputs | |
| EP2707943B1 (en) | Power conversion apparatus and methods employing variable-level inverters | |
| US20080150621A1 (en) | Charge pump circuit and methods of operation thereof | |
| US20090034304A1 (en) | Inverter for grounded direct current source, more specifically for a photovoltaic generator | |
| US5712778A (en) | Voltage multiplying DC-DC converter for a thin film transistor liquid crystal display | |
| JPH11119194A (ja) | 多重出力直流/直流電圧変換装置及びこれを用いた液晶表示装置 | |
| KR20090017427A (ko) | 인버터 | |
| JP5130542B2 (ja) | 降圧型スイッチングdc/dcコンバータ | |
| US20090128121A1 (en) | Bi-directional power supply with isolated output | |
| EP2045903A2 (en) | DC-DC converter | |
| EP3001554B1 (en) | Fractional output voltage multiplier | |
| US20240204658A1 (en) | Switched capacitor converter with tap-change capability | |
| US7253798B2 (en) | Charge pump | |
| US6999050B2 (en) | Apparatus for recycling energy in a liquid crystal display | |
| CN108068651B (zh) | 车辆、尤其是电动车辆或混合动力车辆,以及用于对车辆的储能电池单元充电的方法 | |
| US7629779B2 (en) | Multiple output multiple topology voltage converter | |
| US20220416661A1 (en) | Simbo buck-boost inverting converter and control method thereof | |
| CN114244101A (zh) | 一种开关电容谐振式直流转换器 | |
| US8644040B2 (en) | Power supply having a charge pump circuit | |
| Lin et al. | Liquid crystal display (LCD) supplied by highly integrated dual-side dual-output switched-capacitor DC-DC converter with only two flying capacitors | |
| CN119382502A (zh) | 直流升压变换器和充电系统 | |
| JP5427667B2 (ja) | 充電装置、および充電装置製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20050524 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |