Global Patent Index - EP 1845508 B1

EP 1845508 B1 20120411 - System and method of providing driving voltages to an RGBW display panel

Title (en)

System and method of providing driving voltages to an RGBW display panel

Title (de)

System und Verfahren zur Bereitstellung von Ansteuerspannungen für eine RGBW-Anzeigetafel

Title (fr)

Système et procédé d'alimentation d'un panneau d'affichage RGBW en tensions de commande

Publication

EP 1845508 B1 20120411 (EN)

Application

EP 06112633 A 20060413

Priority

EP 06112633 A 20060413

Abstract (en)

[origin: EP1845508A1] A representative system comprises a data driver with a reference voltage generation circuit that is operative to provide reference voltages according to a white component signal (W) extracted from three color input signals (R,G,B), and a digital-to-analog (D/A) conversion unit that is operative to generate driving voltages according to the reference voltages, the three color input signals and the white component signal.

IPC 8 full level

G09G 3/20 (2006.01); G09G 3/32 (2006.01)

CPC (source: EP)

G09G 3/2003 (2013.01); G09G 3/3225 (2013.01); G09G 3/3611 (2013.01); G09G 2300/0452 (2013.01); G09G 2310/027 (2013.01); G09G 2330/028 (2013.01); G09G 2340/06 (2013.01)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 1845508 A1 20071017; EP 1845508 B1 20120411

DOCDB simple family (application)

EP 06112633 A 20060413