Liquid crystal display device having a capacitator in the periph

Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Amorphous semiconductor material

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257 72, 257 82, 257 89, 349 37, 349 38, 349151, 349152, H01L 3300

Patent

active

058863656

ABSTRACT:
A small-size and large-capacitance capacitor is provided for the peripheral driving circuit of a liquid crystal display device. A capacitor exhibiting crystalline property is provided on a monocrystalline silicon in the peripheral driving circuit of a liquid crystal display device using an insulator film deposition process used to manufacture TFTs (thin-film transistors) of a display pixel portion and the peripheral driving circuit. The capacitor, using monocrystalline silicon as electrodes and an insulator on the monocrsytalline silicon as a dielectric, has a small size and a large capacitance as compared with a capacitor manufactured on amorphous silicon or monocrytalline silicon, and is thus capable of high quality display.

REFERENCES:
patent: 4923285 (1990-05-01), Ogino et al.
patent: 5036317 (1991-07-01), Buzak
patent: 5317433 (1994-05-01), Miyawaki et al.
patent: 5386135 (1995-01-01), Nakazato
patent: 5434433 (1995-07-01), Takasu et al.
patent: 5532854 (1996-07-01), Fergason

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