Current-driven OLED panel and related pixel structure

Details Current-driven OLED panel and related pixel structure Current-driven OLED panel and related pixel structure

2007-08-28

2007-08-28

Owens, Douglas W. (Department: 2821)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S080000, C315S169300

Reexamination Certificate

active

10906544

ABSTRACT:
A display apparatus includes a light-emitting device, a first scan line for transferring a first signal to select the light-emitting device, a data line for transferring a data current signal to drive the light-emitting device, a first transistor having a gate coupled to the first scan line for selecting the light-emitting device according to the first signal, and a current mirror electrically connected to the light-emitting device for transferring a driving current signal to drive the light-emitting device. The current mirror includes a second transistor having a gate coupled to the data line and one of the source and the drain of the first transistor for receiving the data current signal. In addition, the current mirror further includes a third transistor having a gate coupled to the other of the source and the drain of the first transistor for transferring the driving current signal.

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