Electroluminescent display with constant current control circuit

Details Electroluminescent display with constant current control circuit Electroluminescent display with constant current control circuit

1997-05-13

2000-09-19

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 79, 345209, 345212, 3151693, G09G 330

Patent

active

061219436

ABSTRACT:
To reduce the influence of generation of heat at scan driver ICs during the application of a scan signal with reduced time of charge and discharge and to eliminate the problem of a rush current, in an EL display where scan driver Ics sequentially apply a scan signal to a plurality of scan electrodes and data driver IC applies a data signal to data electrodes to selectively cause EL elements to emit light responsive to the scan signal and data signal, constant current control circuits are provided to control charge and discharge currents at constant currents during the application of the scan signal to the scan electrodes by the scan driver ICs.

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