Image display device and method of driving the same

Details Image display device and method of driving the same Image display device and method of driving the same

2009-03-11

2011-12-13

Nguyen, Kimnhung (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S082000, C315S169100

Reexamination Certificate

active

08077124

ABSTRACT:
An image display device includes a display portion formed by disposing pixel circuits in a matrix, and a signal line driving circuit and a scanning line driving circuit for driving the pixel circuits through signal lines and scanning lines of the display portion. The pixel circuit includes at least: a light emitting element; a drive transistor for current-driving the light emitting element by a drive current corresponding to a gate-to-source voltage thereof; a hold capacitor composed of either one capacitor or a plurality of coupling capacitors for holding therein the gate-to-source voltage; and a write transistor adapted to be turned ON/OFF in accordance with a write signal outputted from the scanning line driving circuit, thereby setting a voltage developed across terminals of the hold capacitor at a voltage of corresponding one of the signal line.

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Japanese Office Action issued Apr. 13, 2010 for corresponding Japanese Application No. 2008-101331.

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