Thin film transistor protection circuit

Details Thin film transistor protection circuit Thin film transistor protection circuit

1994-08-18

1997-02-25

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 92, 257173, 349 42, 349 50, G09G 336

Patent

active

056063407

ABSTRACT:
A thin film transistor protection circuit includes a outer short-circuit line formed around a pixel electrode driving thin film transistor on an array substrate, and a discharging thin film transistor having a gate electrode and a current path connected between a wiring line connected to the pixel electrode driving thin film transistor and the outer short-circuit line. The protection circuit further includes a charging circuit for charging the gate electrode of the discharging thin film transistor according to a difference in potential between the conductive and wiring lines.

REFERENCES:
patent: 5068748 (1991-11-01), Ukai et al.
patent: 5086365 (1992-02-01), Lien
patent: 5144518 (1992-09-01), Miyazaki
patent: 5184235 (1993-02-01), Sukegawa
patent: 5200876 (1993-04-01), Takeda et al.
patent: 5208719 (1993-05-01), Wei
patent: 5220443 (1993-06-01), Noguchi
patent: 5270565 (1993-12-01), Lee et al.
patent: 5373377 (1994-12-01), Ogawa et al.

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