EP 1347434 A1 20030924 - Contrast and brightness control of a display
Title (en)
Contrast and brightness control of a display
Title (de)
Kontrast- und Helligkeitssteuerung einer Anzeigevorrichtung
Title (fr)
Commande du contraste et de la brillance d'un dispositif d'affichage
Publication
Application
Priority
EP 02076072 A 20020318
Abstract (en)
Controlling contrast and brightness of a display panel (1) by means of either a gamma correction unit or a timing and control unit by controlling luminance of the display panel by varying a number of sustain pulses per second. <IMAGE>
IPC 1-7
IPC 8 full level
G09G 3/20 (2006.01); G09G 3/294 (2013.01)
CPC (source: EP)
G09G 3/20 (2013.01); G09G 3/2944 (2013.01); G09G 3/2022 (2013.01); G09G 3/2044 (2013.01); G09G 3/2077 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/0606 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/066 (2013.01)
Citation (search report)
- [X] US 6160532 A 20001212 - KABURAGI CHIHARU [JP], et al
- [X] US 5757343 A 19980526 - NAGAKUBO TETSURO [JP]
- [X] EP 0811963 A1 19971210 - HITACHI LTD [JP]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 02076072 A 20020318