Active matrix display and electrooptical device

Details Active matrix display and electrooptical device Active matrix display and electrooptical device

1995-06-01

1997-07-22

Tran, Minh-Loan

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

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

Amorphous semiconductor material

257 72, 257532, 257536, 349 42, 349139, H01L 2904

Patent

active

056506368

ABSTRACT:
A structure for reducing the OFF current of an active matrix display. In the active matrix display, plural TFTs are connected in series with each one pixel electrode. Of these TFTs connected in series, at least one TFT excluding the TFTs located at opposite ends is maintained in conduction. Alternatively, at least one capacitor is connected between the junction of the drain and source of each TFT connected in series and an AC grounded point. Thus, the amount of electric charge released from auxiliary capacitors during cutoff of the TFTs is reduced.

REFERENCES:
patent: 4938565 (1990-07-01), Ichikawa
patent: 4990981 (1991-02-01), Tanaka et al.
patent: 5173792 (1992-12-01), Matsueda
patent: 5365079 (1994-11-01), Kodaira et al.
patent: 5412493 (1995-05-01), Kunii et al.

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