CN1521924B - 用于供电的电源电路、电子电路的控制器和驱动方法及带该电子电路的显示装置 - Google Patents
用于供电的电源电路、电子电路的控制器和驱动方法及带该电子电路的显示装置 Download PDFInfo
- Publication number
- CN1521924B CN1521924B CN2004100025062A CN200410002506A CN1521924B CN 1521924 B CN1521924 B CN 1521924B CN 2004100025062 A CN2004100025062 A CN 2004100025062A CN 200410002506 A CN200410002506 A CN 200410002506A CN 1521924 B CN1521924 B CN 1521924B
- Authority
- CN
- China
- Prior art keywords
- power supply
- ccfl
- signal
- supply circuits
- circuit
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
-
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as AC or DC; Circuit arrangements for mains or distribution networks combining AC and DC sections or sub-networks
- H02J4/20—Networks integrating separated AC and DC power sections
- H02J4/25—Networks integrating separated AC and DC power sections for transfer of electric power between AC and DC networks, e.g. for supplying the DC section within a load from an AC mains system
-
- 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
- H02M1/36—Means for starting or stopping converters
-
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Inverter Devices (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/348,748 | 2003-01-22 | ||
| US10/348,748 US6778415B2 (en) | 2003-01-22 | 2003-01-22 | Controller electrical power circuit supplying energy to a display device |
| US10/756007 | 2004-01-13 | ||
| US10/756,007 US7200017B2 (en) | 2003-01-22 | 2004-01-13 | Controller and driving method for supplying energy to display device circuitry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1521924A CN1521924A (zh) | 2004-08-18 |
| CN1521924B true CN1521924B (zh) | 2010-05-26 |
Family
ID=32911903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100025062A Expired - Fee Related CN1521924B (zh) | 2003-01-22 | 2004-01-20 | 用于供电的电源电路、电子电路的控制器和驱动方法及带该电子电路的显示装置 |
Country Status (3)
| Country | Link |
|---|---|
| JP (2) | JP4025300B2 (zh) |
| KR (1) | KR20040068014A (zh) |
| CN (1) | CN1521924B (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006078974A (ja) * | 2004-09-13 | 2006-03-23 | Toshiba Matsushita Display Technology Co Ltd | 光源装置 |
| US7417785B2 (en) * | 2005-01-18 | 2008-08-26 | Research Frontiers Incorporated | Methods and circuits for distributing power to SPD loads |
| JP4711258B2 (ja) * | 2005-04-22 | 2011-06-29 | 立山マシン株式会社 | 多相交流電源 |
| TW201011712A (en) * | 2008-09-15 | 2010-03-16 | Chunghwa Picture Tubes Ltd | Scanning driving apparatus for backlight source and the liquid crystal display thereof |
| KR102712182B1 (ko) | 2019-09-23 | 2024-10-02 | 엘지디스플레이 주식회사 | 전원 공급부 및 이를 포함하는 표시장치 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793628A (en) * | 1997-04-30 | 1998-08-11 | Hewlett-Packard Company | Multi-phase pulse-width-modulation power converter |
| US6469453B2 (en) * | 2000-09-28 | 2002-10-22 | Fujitsu Limited | Backlight for liquid crystal display |
| CN2698007Y (zh) * | 2003-01-22 | 2005-05-04 | 美国凹凸微系有限公司 | 用于供电的电源电路、电子电路的控制器及带该电子电路的显示装置 |
-
2004
- 2004-01-20 CN CN2004100025062A patent/CN1521924B/zh not_active Expired - Fee Related
- 2004-01-20 KR KR1020040004332A patent/KR20040068014A/ko not_active Ceased
- 2004-01-22 JP JP2004014898A patent/JP4025300B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-14 JP JP2006249717A patent/JP2007059408A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793628A (en) * | 1997-04-30 | 1998-08-11 | Hewlett-Packard Company | Multi-phase pulse-width-modulation power converter |
| US6469453B2 (en) * | 2000-09-28 | 2002-10-22 | Fujitsu Limited | Backlight for liquid crystal display |
| CN2698007Y (zh) * | 2003-01-22 | 2005-05-04 | 美国凹凸微系有限公司 | 用于供电的电源电路、电子电路的控制器及带该电子电路的显示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1521924A (zh) | 2004-08-18 |
| JP2007059408A (ja) | 2007-03-08 |
| JP2004229496A (ja) | 2004-08-12 |
| JP4025300B2 (ja) | 2007-12-19 |
| KR20040068014A (ko) | 2004-07-30 |
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