Electro-luminescent display device driven by two opposite phase

Details Electro-luminescent display device driven by two opposite phase Electro-luminescent display device driven by two opposite phase

1994-11-21

1996-11-19

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 79, G09G 330

Patent

active

055767265

ABSTRACT:
An electro-luminescent display (10) utilizes a complementary field effect transistor driver (14) to control an electro-luminescent display element or pixel element (11). Two alternating voltages (23, 24) are utilized to stimulate light emission from the pixel (11). Each voltage (23, 24) is no greater than a threshold voltage of the pixel so that both voltages (23, 24) are required to stimulate light emission. The driver (14) couples a first voltage (24) to one electrode (13) of the pixel while the second voltage (23) is coupled to the other electrode (12) of the pixel.

REFERENCES:
patent: 4523189 (1985-06-01), Takahara et al.
patent: 4845489 (1989-07-01), Hormel
patent: 5006838 (1991-04-01), Fujioka et al.
patent: 5066893 (1991-11-01), Osada et al.
patent: 5095304 (1992-03-01), Young
patent: 5280278 (1994-01-01), Vick
patent: 5302966 (1994-04-01), Stewart

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