Shift register circuit and image display apparatus equipped...

Details Shift register circuit and image display apparatus equipped... Shift register circuit and image display apparatus equipped...

2007-04-12

2009-12-22

Lam, Tuan (Department: 2816)

Electrical pulse counters, pulse dividers, or shift registers: c

Shift register

C377S068000, C377S069000, C377S074000

Reexamination Certificate

active

07636412

ABSTRACT:
Malfunction caused by leakage current of the transistor is prevented in the shift register in which the signal can be shifted bi-directionally. The bi-directional unit shift register includes a transistor Q1between a clock terminal CK and an output terminal OUT, a transistor Q2for discharging the output terminal OUT, and transistors Q3, Q4for providing first and second voltage signals Vn, Vr, which are complementary to each other, to the first node or a gate node of the transistor Q1. Furthermore, a transistor Q5, having a gate connected to a second node or a gate node of the transistor Q2, for discharging the first node is arranged.

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