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

2011-06-21

2011-06-21

Weiss, Howard (Department: 2814)

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

Field effect device

Having insulated electrode

C257S059000, C257SE27140, C257SE27146

Reexamination Certificate

active

07964903

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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