NL2000574A1 - Backlight unit which uses a light-emitting diode. - Google Patents
Backlight unit which uses a light-emitting diode.Info
- Publication number
- NL2000574A1 NL2000574A1 NL2000574A NL2000574A NL2000574A1 NL 2000574 A1 NL2000574 A1 NL 2000574A1 NL 2000574 A NL2000574 A NL 2000574A NL 2000574 A NL2000574 A NL 2000574A NL 2000574 A1 NL2000574 A1 NL 2000574A1
- Authority
- NL
- Netherlands
- Prior art keywords
- light
- emitting diode
- backlight unit
- backlight
- unit
- Prior art date
Links
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
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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]
- H05B45/20—Controlling the colour of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20060031891 | 2006-04-07 | ||
KR20060031891 | 2006-04-07 | ||
KR20070017285 | 2007-02-21 | ||
KR1020070017285A KR100790715B1 (en) | 2006-04-07 | 2007-02-21 | Backlight unit using light emitting diode |
Publications (2)
Publication Number | Publication Date |
---|---|
NL2000574A1 true NL2000574A1 (en) | 2007-10-09 |
NL2000574C2 NL2000574C2 (en) | 2010-07-15 |
Family
ID=38805473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL2000574A NL2000574C2 (en) | 2006-04-07 | 2007-04-04 | BACKLIGHTING UNIT WHICH USES A LIGHT-EMITTING DIODE. |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100790715B1 (en) |
NL (1) | NL2000574C2 (en) |
TW (1) | TWI370298B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101528884B1 (en) | 2008-08-28 | 2015-06-16 | 삼성디스플레이 주식회사 | Backlight assembly and method of driving the same |
TWI400986B (en) | 2009-08-05 | 2013-07-01 | Chunghwa Picture Tubes Ltd | Light emitting diode driving circuit |
CN107919092A (en) * | 2016-10-10 | 2018-04-17 | 群创光电股份有限公司 | Display device |
KR20210145513A (en) | 2020-05-25 | 2021-12-02 | 삼성전자주식회사 | Display apparatus and the control method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004117575A (en) * | 2002-09-24 | 2004-04-15 | Seiko Epson Corp | Display device and electronic equipment |
JP2004334081A (en) * | 2003-05-12 | 2004-11-25 | Plus Vision Corp | Illumination optical system using semiconductor laser device as light source and projector utilizing the same |
JP4241487B2 (en) * | 2004-04-20 | 2009-03-18 | ソニー株式会社 | LED driving device, backlight light source device, and color liquid crystal display device |
-
2007
- 2007-02-21 KR KR1020070017285A patent/KR100790715B1/en not_active IP Right Cessation
- 2007-04-04 NL NL2000574A patent/NL2000574C2/en not_active IP Right Cessation
- 2007-04-04 TW TW096111976A patent/TWI370298B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW200745688A (en) | 2007-12-16 |
KR20070100631A (en) | 2007-10-11 |
TWI370298B (en) | 2012-08-11 |
KR100790715B1 (en) | 2008-01-02 |
NL2000574C2 (en) | 2010-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AD1A | A request for search or an international type search has been filed | ||
SD | Assignments of patents |
Effective date: 20100521 |
|
SD | Assignments of patents |
Effective date: 20130620 |
|
MM | Lapsed because of non-payment of the annual fee |
Effective date: 20160501 |