Light emitting device and electronic equipment using the same

Details Light emitting device and electronic equipment using the same Light emitting device and electronic equipment using the same

2004-12-22

2008-07-29

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S036000, C345S204000, C345S690000

Reexamination Certificate

active

07405713

ABSTRACT:
A pixel suitable for constant current operation of an active matrix type EL display device. The pixel comprises a first switch of which one terminal is connected to a source signal line whereas another terminal is connected to a current-voltage conversion element, a second switch of which one terminal is connected to the current-voltage conversion element whereas another terminal is connected to a voltage storage means and a voltage-current conversion element, a pixel electrode which is connected to the current-voltage conversion element and the voltage-current conversion element, and a third switch of which one terminal is connected to the pixel electrode whereas another terminal is connected to the power source line.

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