Display apparatus with an inspection circuit

Details Display apparatus with an inspection circuit Display apparatus with an inspection circuit

1997-06-10

2000-08-08

Saras, Steven J.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 98, 345100, G09G 336

Patent

active

061008656

ABSTRACT:
In a display apparatus, a switch circuit including transistors is turned off to isolate a scanning line driving circuit and scanning lines from each other, the output of the scanning line driving circuit is inspected by the output from a terminal of an inspection circuit for the scanning line driving circuit, and the switch circuit is turned on to supply the output of the scanning line driving circuit to the scanning lines to check for a disconnection or a shorting of any of the scanning lines in accordance with the presence or absence or the magnitude of the voltage change appearing across the scanning line inspection circuit.

REFERENCES:
patent: 5289174 (1994-02-01), Suzuki
patent: 5506516 (1996-04-01), Yamashita et al.
patent: 5576730 (1996-11-01), Shimada et al.
patent: 5644331 (1997-07-01), Hazama
patent: 5774100 (1998-06-01), Aoki et al.
patent: 5784042 (1998-07-01), Ono et al.
patent: 5786707 (1998-07-01), Hayama et al.
patent: 5825439 (1998-10-01), Noriyama

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