Thin film transistor substrate

Details Thin film transistor substrate Thin film transistor substrate

2005-12-08

2010-06-01

Dickey, Thomas L (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Non-single crystal, or recrystallized, semiconductor...

Amorphous semiconductor material

C257S088000, C257SE29137, C257S057000, C257S072000, C257S347000, C349S038000

Reissue Patent

active

RE041363

ABSTRACT:
A TFT substrate includes a gate electrode and gate pad on a transparent substrate, an insulating layer on the gate electrode and exposing a portion of the gate pad, a semiconductor film on the insulating layer and the gate electrode, an impurity doped semiconductor film on the semiconductor film, the impurity doped semiconductor film contacting a top surface of the semiconductor film over the gate electrode, source and drain electrodes and a data line on a portion of the impurity doped semiconductor film, a protection film on the source and drain electrodes and the insulating layer in a gate pad area, the protection film having a contact hole over the drain electrode exposing a top surface of the gate pad, a first pixel electrode electrically connected to the drain electrode on the protection film, and a second pixel electrode directly connected to the exposed top surface of the gate pad.

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