Pulse generation circuit for row selection pulses and method for

Details Pulse generation circuit for row selection pulses and method for Pulse generation circuit for row selection pulses and method for

1991-06-04

1994-03-15

Chin, Tommy

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 76, 345208, 3151693, G09G 330

Patent

active

052949192

ABSTRACT:
The present invention relates to a pulse generation circuit and drive scheme for row selection pulses in a symmetric control scheme of AC-excited thin-film electroluminescent (ACTFEL) displays. The circuit comprises a supply voltage source for feeding the circuit with the supply voltages, a circuit ground to establish the ground potential, two control inputs for controlling the pulse-generating circuit, an output for routing the row selection pulses to the display acting as the load, and an essentially symmetric circuit with respect to the circuit ground for generating the opposite-polarity row selection pulses.

REFERENCES:
patent: 4594589 (1986-06-01), Ohba et al.
patent: 4707692 (1987-11-01), Higgins et al.
patent: 4733228 (1988-03-01), Flegal

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