JP2006507534A - 液晶表示装置用のマルチ出力dc/dcコンバータ - Google Patents
液晶表示装置用のマルチ出力dc/dcコンバータ Download PDFInfo
- Publication number
- JP2006507534A JP2006507534A JP2004554823A JP2004554823A JP2006507534A JP 2006507534 A JP2006507534 A JP 2006507534A JP 2004554823 A JP2004554823 A JP 2004554823A JP 2004554823 A JP2004554823 A JP 2004554823A JP 2006507534 A JP2006507534 A JP 2006507534A
- Authority
- JP
- Japan
- Prior art keywords
- lcd
- voltage
- lcd drive
- capacitor
- group
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims abstract description 82
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 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
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (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 | 2002-11-25 | ||
| PCT/IB2003/005316 WO2004049296A1 (en) | 2002-11-25 | 2003-11-21 | Multi output dc/dc converter for liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006507534A true JP2006507534A (ja) | 2006-03-02 |
| JP2006507534A5 JP2006507534A5 (enExample) | 2007-01-18 |
Family
ID=32338101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004554823A Pending JP2006507534A (ja) | 2002-11-25 | 2003-11-21 | 液晶表示装置用のマルチ出力dc/dcコンバータ |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060012585A1 (enExample) |
| EP (1) | EP1568007A1 (enExample) |
| JP (1) | JP2006507534A (enExample) |
| KR (1) | KR20050085144A (enExample) |
| CN (1) | CN1714385A (enExample) |
| AU (1) | AU2003283623A1 (enExample) |
| WO (1) | WO2004049296A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010515419A (ja) * | 2006-12-30 | 2010-05-06 | アドバンスト・アナロジック・テクノロジーズ・インコーポレイテッド | 降圧誘導性スイッチングプリレギュレータと容量性スイッチングポストコンバータとを含む高効率dc/dc電圧コンバータ |
Families Citing this family (20)
| 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 |
| 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 |
| US8194060B2 (en) * | 2008-10-29 | 2012-06-05 | Himax Technologies Limited | Display system |
| US8525818B2 (en) * | 2008-10-29 | 2013-09-03 | Himax Technologies Limited | Display system |
| US8482551B2 (en) * | 2008-10-29 | 2013-07-09 | 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 |
| US20130321379A1 (en) * | 2012-05-31 | 2013-12-05 | Qualcomm Mems Technologies, Inc. | System and method of sensing actuation and release voltages of interferometric modulators |
| US9135843B2 (en) * | 2012-05-31 | 2015-09-15 | Qualcomm Mems Technologies, Inc. | Charge pump for producing display driver output |
| CN103677040B (zh) * | 2012-09-25 | 2016-07-20 | 清华大学 | 一种参考电压的驱动电路 |
| EP3183807B1 (en) | 2014-08-18 | 2018-10-10 | Philips Lighting Holding B.V. | Switched capacitor converter |
| CN106230051B (zh) * | 2016-08-15 | 2018-03-23 | 珠海市魅族科技有限公司 | 一种充电电路、系统、方法及电子装置 |
| US11922892B2 (en) * | 2021-01-20 | 2024-03-05 | Meta Platforms Technologies, Llc | High-efficiency backlight driver |
Citations (5)
| 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 |
| WO1996021880A1 (en) * | 1995-01-11 | 1996-07-18 | Seiko Epson Corporation | Power source circuit, liquid crystal display, and electronic device |
| WO1998044621A1 (en) * | 1997-03-28 | 1998-10-08 | Seiko Epson Corporation | Power source circuit, display device, and electronic equipment |
| JP2000200068A (ja) * | 1998-12-28 | 2000-07-18 | Casio Comput Co Ltd | 電源回路 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| TW511292B (en) * | 2000-10-27 | 2002-11-21 | Matsushita Electric Industrial Co Ltd | Display device |
| 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 EP EP03775603A patent/EP1568007A1/en not_active Withdrawn
- 2003-11-21 WO PCT/IB2003/005316 patent/WO2004049296A1/en not_active Ceased
- 2003-11-21 US US10/535,752 patent/US20060012585A1/en not_active Abandoned
- 2003-11-21 KR KR1020057009332A patent/KR20050085144A/ko not_active Withdrawn
- 2003-11-21 AU AU2003283623A patent/AU2003283623A1/en not_active Abandoned
- 2003-11-21 JP JP2004554823A patent/JP2006507534A/ja active Pending
- 2003-11-21 CN CNA2003801040203A patent/CN1714385A/zh active Pending
Patent Citations (5)
| 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 |
| WO1996021880A1 (en) * | 1995-01-11 | 1996-07-18 | Seiko Epson Corporation | Power source circuit, liquid crystal display, and electronic device |
| WO1998044621A1 (en) * | 1997-03-28 | 1998-10-08 | Seiko Epson Corporation | Power source circuit, display device, and electronic equipment |
| JP2000200068A (ja) * | 1998-12-28 | 2000-07-18 | Casio Comput Co Ltd | 電源回路 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010515419A (ja) * | 2006-12-30 | 2010-05-06 | アドバンスト・アナロジック・テクノロジーズ・インコーポレイテッド | 降圧誘導性スイッチングプリレギュレータと容量性スイッチングポストコンバータとを含む高効率dc/dc電圧コンバータ |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003283623A1 (en) | 2004-06-18 |
| CN1714385A (zh) | 2005-12-28 |
| KR20050085144A (ko) | 2005-08-29 |
| EP1568007A1 (en) | 2005-08-31 |
| WO2004049296A1 (en) | 2004-06-10 |
| US20060012585A1 (en) | 2006-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061120 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061120 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100304 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100921 |