Active device array substrate having electrostatic discharge...

Details Active device array substrate having electrostatic discharge... Active device array substrate having electrostatic discharge...

2007-08-21

2010-06-15

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

C349S040000

Reexamination Certificate

active

07738223

ABSTRACT:
An active device array substrate includes pixel units, scan lines, data lines, electrostatic discharge (ESD) protection elements, a short ring and an ESD biased generator. Each pixel unit is electrically connected to the corresponding scan line and data line. Each ESD protection element has a first connection terminal, a second connection terminal and a third connection terminal, wherein the first connection terminal is electrically connected to one of the corresponding scan line and data line, the second connection terminal is electrically connected to the short ring, and the third connection terminal is electrically connected to the ESD biased generator. As an ESD stress occurs, the ESD biased generator provides a voltage to the ESD protection elements to turn on them. It causes that the accumulated electrostatic charges are conducted into the lowest potential of the substrate through the short rings, so as to prevent the pixel units from ESD damaging.

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