Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2011-07-05
2011-07-05
Nguyen, Chanh (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S077000
Reexamination Certificate
active
07973748
ABSTRACT:
A data driver for an OLED display has a resistor string, digital-to-analog converters and converting transistors. The resistor string provides a set of gamma voltages. Each of the digital-to-analog converters converts an input word into an output voltage selected from the gamma voltages. Each of the converting transistors conducts a driving current and having a gate-to-source voltage determined by the output voltage from one of the digital-to-analog converters. A method of data driving for an OLED display is also disclosed.
REFERENCES:
patent: 2006/0125735 (2006-06-01), Pae
patent: 2007/0171177 (2007-07-01), Kim et al.
patent: 2008/0030444 (2008-02-01), Hsueh
Himax Technologies Limited
Lowe Hauptman & Ham & Berner, LLP
Nguyen Chanh
Pham Long
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