Thin-film transistor array having light shading film and antiref

Details Thin-film transistor array having light shading film and antiref Thin-film transistor array having light shading film and antiref

1996-05-14

1998-08-04

Thomas, Tom

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

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

Amorphous semiconductor material

257 72, 349 43, 349 44, 349110, 349137, G02F 11343, H01L 2904, H01L 37036

Patent

active

057897611

ABSTRACT:
A thin-film transistor (TFT) array for preventing the light reflected inside a liquid crystal panel from entering a channel layer, while suppressing an increase of stray capacitance. A light shading film and an antireflection film atop source and drain electrodes are made of semiconductor layers and are spaced from each other on a TFT. The reduction in reflected light prevents an increase in an off current and therefore improves the quality of a liquid crystal display.

REFERENCES:
patent: 4877995 (1989-10-01), Thioulouse et al.
patent: 5486485 (1996-01-01), Kim et al.
patent: 5488246 (1996-01-01), Hayashide et al.
patent: 5532850 (1996-07-01), Someya et al.

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