Thin film transistor array panel for X-ray detector

Details Thin film transistor array panel for X-ray detector Thin film transistor array panel for X-ray detector

Filed on

2003-12-11

Date issued

2010-06-01

Examiner

Weiss, Howard (Department: 2814)

Patent Class

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

SubClass

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

SubSubClass

Amorphous semiconductor material

Other Related Categories

C257SE27140

Type

Reexamination Certificate

Status

active

Patent number

07728329

Description

ABSTRACT:
A thin film transistor array panel for an X-ray detector includes a dummy pixel including a photo diode and a TFT for detecting leakage current. The photo diode includes first and second electrodes (178,195) facing each other and a photo-conductive layer (800) disposed between the first electrode and the second electrode. The TFT includes a semiconductor layer (150), a gate electrode (123), a source electrode (173) connected to a data line, a drain electrode (175) connected to the photo diode. The dummy pixel further includes a light blocking layer (196) for blocking light incident on the photo diode. Alternatively, the semiconductor layer is disconnected between the source electrode and the drain electrode.

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