EP 2312567 A1 20110420 - Brightness correction for LCD displays with backlight modulation
Title (en)
Brightness correction for LCD displays with backlight modulation
Title (de)
Helligkeitsberichtigung von LCD-Anzeigen mit Rückbeleuchtungsmodulation
Title (fr)
Correction de luminance pour affichages à cristaux liquides avec modulation de rétroéclairage
Publication
Application
Priority
TR 200907513 A 20091002
Abstract (en)
This invention relates to a system and a method for providing backlight to a backside of a display panel which system comprises a backlight driving unit for driving said backlight, a dimming control unit to vary said backlight in accordance with the image content to increase image contrast, an LCD control unit for controlling areas of an LCD transmittance panel, characterized in that said LCD control unit varies the LCD transmittance to compensate the intensity variation of the pixel levels due to dimming.
IPC 8 full level
CPC (source: EP)
G09G 3/3426 (2013.01); G09G 3/3611 (2013.01); G09G 2320/0646 (2013.01)
Citation (applicant)
- FANG-CHENG LIN ET AL.: "Dynamic Backlight Gamma on High Dynamic Range LCD TVs", JOURNAL OF DISPLAY TECHNOLOGY, June 2008 (2008-06-01), pages 139 - 146
- SID SYMPOSIUM DIGEST OF TECHNICAL PAPERS, vol. 37, June 2006 (2006-06-01), pages 1242 - 1245
- HIGH CONTRAST LCD TV USING ACTIVE DYNAMIC LED BACKLIGHT SID SYMPOSIUM DIGEST OF TECHNICAL PAPERS, vol. 38, no. 1, May 2007 (2007-05-01), pages 1336 - 1338
Citation (search report)
- [X] US 2009141178 A1 20090604 - KEROFSKY LOUIS J [US], et al
- [X] US 2008180466 A1 20080731 - WHITEHEAD LORNE A [CA], et al
- [X] US 2009201245 A1 20090813 - NONAKA RYOSUKE [JP], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
BA ME RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 10179819 A 20100927; TR 200907513 A 20091002