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

2011-08-16

2011-08-16

Nguyen, Kevin M (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S092000

Reexamination Certificate

active

07999772

ABSTRACT:
A pixel structure includes a light-emitting device (LED); a first scan line; a data line; a first transistor having a gate coupled to the first scan line; and a current mirror electrically connected to the LED. The current mirror includes a second transistor having a gate connected to the data line and one of the source and the drain of the first transistor, and one of a source and a drain coupled to a first voltage source; and a third transistor having a gate coupled to the other of the source and the drain of the first transistor, one of a source and a drain coupled the first voltage source. The LED is coupled between the other of the source and the drain of the third transistor and a second voltage source whose voltage level is greater than a voltage level of the first voltage source.

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