TW200744034A - Brightness control circuit and backlight control module - Google Patents
Brightness control circuit and backlight control moduleInfo
- Publication number
- TW200744034A TW200744034A TW095117244A TW95117244A TW200744034A TW 200744034 A TW200744034 A TW 200744034A TW 095117244 A TW095117244 A TW 095117244A TW 95117244 A TW95117244 A TW 95117244A TW 200744034 A TW200744034 A TW 200744034A
- Authority
- TW
- Taiwan
- Prior art keywords
- voltage
- control circuit
- coupled
- brightness
- reference voltage
- Prior art date
Links
Classifications
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient 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]
-
- 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
- H05B45/12—Controlling the intensity of the light using optical feedback
-
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Led Devices (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095117244A TWI351897B (en) | 2006-05-16 | 2006-05-16 | Brightness control circuit and backlight control m |
US11/746,672 US7397202B2 (en) | 2006-05-16 | 2007-05-10 | Brightness control circuit and backlight control module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095117244A TWI351897B (en) | 2006-05-16 | 2006-05-16 | Brightness control circuit and backlight control m |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200744034A true TW200744034A (en) | 2007-12-01 |
TWI351897B TWI351897B (en) | 2011-11-01 |
Family
ID=38711387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095117244A TWI351897B (en) | 2006-05-16 | 2006-05-16 | Brightness control circuit and backlight control m |
Country Status (2)
Country | Link |
---|---|
US (1) | US7397202B2 (zh) |
TW (1) | TWI351897B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100959105B1 (ko) * | 2008-10-15 | 2010-05-25 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
US8130904B2 (en) | 2009-01-29 | 2012-03-06 | The Invention Science Fund I, Llc | Diagnostic delivery service |
US8111809B2 (en) | 2009-01-29 | 2012-02-07 | The Invention Science Fund I, Llc | Diagnostic delivery service |
CN114743510A (zh) * | 2022-04-02 | 2022-07-12 | 上海天马微电子有限公司 | 一种发光面板及显示装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6538394B2 (en) * | 2001-03-30 | 2003-03-25 | Maxim Integrated Products, Inc. | Current source methods and apparatus for light emitting diodes |
US7245090B2 (en) * | 2005-11-08 | 2007-07-17 | System General Corporation | Switching LED driver with temperature compensation to program LED current |
-
2006
- 2006-05-16 TW TW095117244A patent/TWI351897B/zh not_active IP Right Cessation
-
2007
- 2007-05-10 US US11/746,672 patent/US7397202B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20070267977A1 (en) | 2007-11-22 |
TWI351897B (en) | 2011-11-01 |
US7397202B2 (en) | 2008-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |