TWI346442B - Load driving device and liguid crystal display using such load driving device - Google Patents
Load driving device and liguid crystal display using such load driving deviceInfo
- Publication number
- TWI346442B TWI346442B TW093118447A TW93118447A TWI346442B TW I346442 B TWI346442 B TW I346442B TW 093118447 A TW093118447 A TW 093118447A TW 93118447 A TW93118447 A TW 93118447A TW I346442 B TWI346442 B TW I346442B
- Authority
- TW
- Taiwan
- Prior art keywords
- driving device
- load driving
- crystal display
- liguid crystal
- liguid
- Prior art date
Links
Classifications
-
- 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
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/34—Voltage stabilisation; Maintaining constant voltage
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
- H05B45/397—Current mirror circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Dc-Dc Converters (AREA)
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003192784A JP3755770B2 (ja) | 2003-07-07 | 2003-07-07 | 負荷駆動装置及び携帯機器 |
JP2003337344A JP3739768B2 (ja) | 2003-09-29 | 2003-09-29 | 負荷駆動装置及び携帯機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200507433A TW200507433A (en) | 2005-02-16 |
TWI346442B true TWI346442B (en) | 2011-08-01 |
Family
ID=33479007
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093118447A TWI346442B (en) | 2003-07-07 | 2004-06-25 | Load driving device and liguid crystal display using such load driving device |
TW099113230A TWI340530B (en) | 2003-07-07 | 2004-06-25 | Load driving device and liguid crystal display using such load driving device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW099113230A TWI340530B (en) | 2003-07-07 | 2004-06-25 | Load driving device and liguid crystal display using such load driving device |
Country Status (6)
Country | Link |
---|---|
US (4) | US7235954B2 (zh) |
EP (1) | EP1499165B1 (zh) |
KR (1) | KR20050006042A (zh) |
CN (2) | CN1578095B (zh) |
DE (1) | DE602004008840T2 (zh) |
TW (2) | TWI346442B (zh) |
Families Citing this family (109)
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-
2004
- 2004-06-23 EP EP20040014726 patent/EP1499165B1/en not_active Expired - Lifetime
- 2004-06-23 DE DE200460008840 patent/DE602004008840T2/de not_active Expired - Lifetime
- 2004-06-25 TW TW093118447A patent/TWI346442B/zh active
- 2004-06-25 TW TW099113230A patent/TWI340530B/zh active
- 2004-06-29 US US10/879,315 patent/US7235954B2/en active Active
- 2004-07-02 CN CN2004100621747A patent/CN1578095B/zh not_active Expired - Lifetime
- 2004-07-02 CN CN2010101454408A patent/CN101789692B/zh not_active Expired - Lifetime
- 2004-07-06 KR KR1020040052190A patent/KR20050006042A/ko not_active Application Discontinuation
-
2007
- 2007-05-18 US US11/750,894 patent/US7541785B2/en not_active Expired - Lifetime
-
2009
- 2009-04-22 US US12/428,338 patent/US7944189B2/en not_active Expired - Lifetime
-
2011
- 2011-04-05 US US13/080,498 patent/US8242756B2/en not_active Expired - Lifetime
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US20090201002A1 (en) | 2009-08-13 |
US20070262796A1 (en) | 2007-11-15 |
US7235954B2 (en) | 2007-06-26 |
EP1499165A3 (en) | 2005-03-23 |
CN1578095B (zh) | 2010-05-12 |
CN101789692B (zh) | 2013-02-13 |
EP1499165A2 (en) | 2005-01-19 |
TW200507433A (en) | 2005-02-16 |
DE602004008840T2 (de) | 2008-06-19 |
US20110181582A1 (en) | 2011-07-28 |
CN101789692A (zh) | 2010-07-28 |
DE602004008840D1 (de) | 2007-10-25 |
EP1499165B1 (en) | 2007-09-12 |
US8242756B2 (en) | 2012-08-14 |
US7944189B2 (en) | 2011-05-17 |
TWI340530B (en) | 2011-04-11 |
US20050007085A1 (en) | 2005-01-13 |
TW201034371A (en) | 2010-09-16 |
US7541785B2 (en) | 2009-06-02 |
CN1578095A (zh) | 2005-02-09 |
KR20050006042A (ko) | 2005-01-15 |
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