CN101136588B - 电压变换电路及具有该电压变换电路的显示装置 - Google Patents
电压变换电路及具有该电压变换电路的显示装置 Download PDFInfo
- Publication number
- CN101136588B CN101136588B CN2007101381833A CN200710138183A CN101136588B CN 101136588 B CN101136588 B CN 101136588B CN 2007101381833 A CN2007101381833 A CN 2007101381833A CN 200710138183 A CN200710138183 A CN 200710138183A CN 101136588 B CN101136588 B CN 101136588B
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- China
- Prior art keywords
- mentioned
- control signal
- circuit
- voltage
- transistor
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 46
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- 230000007423 decrease Effects 0.000 claims description 16
- 230000009466 transformation Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 description 27
- 239000004973 liquid crystal related substance Substances 0.000 description 14
- 102100027992 Casein kinase II subunit beta Human genes 0.000 description 13
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- 102100040751 Casein kinase II subunit alpha Human genes 0.000 description 8
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- 230000002596 correlated effect Effects 0.000 description 8
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- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
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- 230000001276 controlling effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
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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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP233040/2006 | 2006-08-30 | ||
JP2006233040A JP4284345B2 (ja) | 2006-08-30 | 2006-08-30 | 電圧変換回路およびその電圧変換回路を備えた表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101136588A CN101136588A (zh) | 2008-03-05 |
CN101136588B true CN101136588B (zh) | 2010-12-08 |
Family
ID=39150628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101381833A Expired - Fee Related CN101136588B (zh) | 2006-08-30 | 2007-07-31 | 电压变换电路及具有该电压变换电路的显示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7548109B2 (zh) |
JP (1) | JP4284345B2 (zh) |
CN (1) | CN101136588B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4867657B2 (ja) * | 2006-12-28 | 2012-02-01 | ソニー株式会社 | 電圧供給回路、表示装置、および電子機器、並びに電圧供給方法 |
JP5428560B2 (ja) * | 2009-06-16 | 2014-02-26 | 凸版印刷株式会社 | 電源回路 |
US8982107B2 (en) | 2010-05-24 | 2015-03-17 | Sharp Kabushiki Kaisha | Scanning signal line drive circuit and display device provided with same |
WO2011162057A1 (ja) | 2010-06-25 | 2011-12-29 | シャープ株式会社 | 走査信号線駆動回路およびそれを備えた表示装置 |
JP6097653B2 (ja) * | 2013-08-05 | 2017-03-15 | 株式会社ジャパンディスプレイ | 薄膜トランジスタ回路およびそれを用いた表示装置 |
CN107872151A (zh) * | 2016-09-26 | 2018-04-03 | 上海和辉光电有限公司 | 电荷泵浦单元、电荷泵浦电路以及显示装置 |
CN109616076B (zh) * | 2019-02-02 | 2021-08-06 | 合肥京东方光电科技有限公司 | 显示装置及其工作方法 |
JP7222753B2 (ja) * | 2019-02-28 | 2023-02-15 | キヤノン株式会社 | 電圧変換装置および制御方法 |
EP3869549A1 (en) * | 2020-02-24 | 2021-08-25 | Volvo Car Corporation | Modular power supply |
CN114120926B (zh) * | 2020-09-01 | 2023-03-10 | 元太科技工业股份有限公司 | 电压调节电路、电压调节方法及显示装置 |
TWI752610B (zh) | 2020-09-01 | 2022-01-11 | 元太科技工業股份有限公司 | 電壓調節電路、電壓調節方法及顯示裝置 |
CN117240086B (zh) * | 2023-11-07 | 2024-02-09 | 惠科股份有限公司 | 电源管理电路及显示装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6046626A (en) * | 1997-01-09 | 2000-04-04 | Kabushiki Kaisha Toshiba | Voltage transfer circuit and a booster circuit, and an IC card comprising the same |
US6674317B1 (en) * | 2002-09-18 | 2004-01-06 | Taiwan Semiconductor Manufacturing Company | Output stage of a charge pump circuit providing relatively stable output voltage without voltage degradation |
CN1740884A (zh) * | 2001-04-13 | 2006-03-01 | 三洋电机株式会社 | 有源矩阵型显示装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69515669T2 (de) * | 1995-10-31 | 2000-07-27 | St Microelectronics Srl | Negative Ladungspumpenschaltung für elektrisch löschbare Halbleiterspeichervorrichtung |
US5734290A (en) * | 1996-03-15 | 1998-03-31 | National Science Council Of R.O.C. | Charge pumping circuit having cascaded stages receiving two clock signals |
US5982223A (en) * | 1997-06-20 | 1999-11-09 | Integrated Silicon Solution, Inc. | Charge pump system with improved programming current distribution |
US7256642B2 (en) | 2004-03-19 | 2007-08-14 | Semiconductor Energy Laboratory Co., Ltd. | Booster circuit, semiconductor device, and electronic apparatus |
US7030683B2 (en) * | 2004-05-10 | 2006-04-18 | Sandisk Corporation | Four phase charge pump operable without phase overlap with improved efficiency |
JP4763371B2 (ja) * | 2005-07-25 | 2011-08-31 | 株式会社 日立ディスプレイズ | 表示装置 |
JP5011478B2 (ja) * | 2005-08-22 | 2012-08-29 | 株式会社ジャパンディスプレイイースト | 表示装置 |
-
2006
- 2006-08-30 JP JP2006233040A patent/JP4284345B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-30 US US11/830,027 patent/US7548109B2/en not_active Expired - Fee Related
- 2007-07-31 CN CN2007101381833A patent/CN101136588B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6046626A (en) * | 1997-01-09 | 2000-04-04 | Kabushiki Kaisha Toshiba | Voltage transfer circuit and a booster circuit, and an IC card comprising the same |
CN1740884A (zh) * | 2001-04-13 | 2006-03-01 | 三洋电机株式会社 | 有源矩阵型显示装置 |
US6674317B1 (en) * | 2002-09-18 | 2004-01-06 | Taiwan Semiconductor Manufacturing Company | Output stage of a charge pump circuit providing relatively stable output voltage without voltage degradation |
Non-Patent Citations (2)
Title |
---|
JP平9-5377A 1997.01.10 |
US 6674317 B1,说明书全文. |
Also Published As
Publication number | Publication date |
---|---|
US20080054992A1 (en) | 2008-03-06 |
JP2008061323A (ja) | 2008-03-13 |
JP4284345B2 (ja) | 2009-06-24 |
US7548109B2 (en) | 2009-06-16 |
CN101136588A (zh) | 2008-03-05 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Co-patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Patentee after: Hitachi Displays, Ltd. Address before: Chiba County, Japan Co-patentee before: IPS pioneer support society Patentee before: Hitachi Displays, Ltd. Address after: Chiba County, Japan Co-patentee after: IPS Pioneer Support Society Patentee after: Hitachi Displays, Ltd. Address before: Chiba County, Japan Patentee before: Hitachi Displays, Ltd. |
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C56 | Change in the name or address of the patentee |
Owner name: APAN DISPLAY EAST, INC. Free format text: FORMER NAME: HITACHI DISPLAY CO., LTD. Owner name: JAPAN DISPLAY, INC. Free format text: FORMER NAME: APAN DISPLAY EAST, INC. |
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CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: Japan Display East Inc. Patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Address before: Chiba County, Japan Patentee before: Hitachi Displays, Ltd. Patentee before: Panasonic Liquid Crystal Display Co.,Ltd. |
|
CP03 | Change of name, title or address |
Address after: Tokyo, Japan Patentee after: JAPAN DISPLAY Inc. Patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Address before: Chiba County, Japan Patentee before: Japan Display East Inc. Patentee before: Panasonic Liquid Crystal Display Co.,Ltd. |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20080305 Assignee: BOE TECHNOLOGY GROUP Co.,Ltd. Assignor: JAPAN DISPLAY Inc.|Panasonic Liquid Crystal Display Co.,Ltd. Contract record no.: 2013990000688 Denomination of invention: Voltage converter and display device comprising a voltage converter Granted publication date: 20101208 License type: Common License Record date: 20131016 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20190731 |
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CF01 | Termination of patent right due to non-payment of annual fee |