Electro optic display device with second switching element

Details Electro optic display device with second switching element Electro optic display device with second switching element

1995-03-03

1998-11-10

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 91, 345 92, 349 42, 349 49, G09B 331

Patent

active

058350730

ABSTRACT:
An additional switching element (18) is associated with a switching element (8) in a display device (1), which additional switching element is short-circuited by a picture electrode (5) or row electrode (7) when the switching elements function normally, so that there is no voltage drop across the second switching element (18) when a pixel (11) operates satisfactorily. Consequently, the redundant element does not have any capacitive influence on the operation of the pixel or the transmission/voltage characteristic of the pixel. If the switching element (8) is defective, the second switching element (18) can be switched on.

REFERENCES:
patent: 4994796 (1991-02-01), Kuijk
patent: 5032831 (1991-07-01), Kuijk
patent: 5159325 (1992-10-01), Kuijk

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