Reference voltage generation circuit, data driver, display...

Details Reference voltage generation circuit, data driver, display... Reference voltage generation circuit, data driver, display...

2008-05-20

2008-05-20

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

11065773

ABSTRACT:
A reference voltage generation circuit includes a gamma correction resistor circuit which outputs reference voltages generated by resistively dividing voltages of two opposite ends of a resistor circuit to resistive division nodes, and high-potential-side-voltage and low-potential side-voltage supply circuits which supply a high-potential-side voltage and a low-potential-side voltage to the two opposite ends, respectively. The high-potential-side-voltage and low-potential side-voltage supply circuits supply the high-potential-side voltage and the low-potential-side voltage to the two opposite ends, respectively, by switching the high-potential-side voltage and the low-potential-side voltage for each of color components which form one pixel, the high-potential-side voltage and the low-potential-side voltage being provided for each of the color components. The gamma correction resistor circuit supplies the reference voltages switched for each of the color components to reference voltage signal lines to be selected as inputs of driver sections which drive data lines of an electro-optical device.

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