Digital driving of matrix display driver by conversion and capac

Details Digital driving of matrix display driver by conversion and capac Digital driving of matrix display driver by conversion and capac

1995-11-22

1998-01-27

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341150, H03M 166

Patent

active

057126348

ABSTRACT:
A driver for a matrix display successively stores digital data codes. During a first time interval, the driver charges a capacitor coupled to its output to a voltage level represented by the most-significant bits of a stored data code. During a second time interval, the driver shifts the voltage on the capacitor by a magnitude represented by the least significant bits of the stored data code.

REFERENCES:
patent: 3823396 (1974-07-01), Lode
patent: 4388612 (1983-06-01), Takagi et al.
patent: 4584568 (1986-04-01), Zo Morrodi
Okada et al., "4.2: TFT-LCDs Using Newly Designed 6-bit Digital Data Drivers", SID 93 Digest, pp. 11-14.
Okada et al., "23.1: An 8-bit Digital Data Driver for AMLCDs", SID 94 Digest, pp. 347-350.
Conner et al., "23.2: Low-Power 6-bit Column Driver for AMLCDs", SID 94 Digest, pp. 351-354.

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