Patent Number: 7,786,972

Title: Shift register and organic light emitting display using the same

Abstract: A shift register, including first through third output nodes and first through third input lines for first through third clock signals, a fourth input line adapted to supply a start pulse or an output signal, a voltage level controller coupled between the second and fourth input lines, the voltage level controller being adapted to control voltage levels of the first and second output nodes, a first transistor coupled between a first power supply and the third output node, the third output node being an output node of the stage, a second transistor coupled between the third output node and the third input line, and a third transistor coupled between the first output node and a second power supply.

Inventors: Jeong; Seon-I (Suwon-si, KR), Jeong; Jin-tae (Suwon-si, KR)

Assignee: Samsung Mobile Display Co., Ltd.

International Classification: G09G 3/36 (20060101)

Expiration Date: 8/31/12018