Title :
Versatile driving system for non-root-mean-square responding liquid crystal displays
Author :
Beccherelli, R. ; Di Giacomo, G. ; Di Martino, A. ; Maltese, P.
Author_Institution :
Dipt. di Ingegneria Elettronica, Universita di Roma ´´La Sapienza´´, Italy
fDate :
2/1/2003 12:00:00 AM
Abstract :
The authors present a versatile stand-alone driving system specially designed for addressing non-root-mean-square responding liquid crystal displays. It is suitable for driving surface stabilised ferroelectric, antiferroelectric and zenithal bistable nematic liquid crystal test displays. The system has sixty-four channels with nearly 140 V swing for row driving and sixty-four channels with 50 V swing for column driving, and can drive displays with 64 rows and 64 columns and emulate matrix addressing of up to 16 384 rows at video rate. It has been successfully used for driving ferroelectric and antiferroelectric liquid crystal displays.
Keywords :
antiferroelectric liquid crystals; driver circuits; ferroelectric liquid crystals; liquid crystal displays; nematic liquid crystals; 140 V; 50 V; antiferroelectric liquid crystals; column driving; driving system; ferroelectric liquid crystals; liquid crystal displays; matrix addressing; non-root-mean-square response; row driving; stand-alone driving system; surface stabilised test displays; zenithal bistable nematic liquid crystals;
Journal_Title :
Circuits, Devices and Systems, IEE Proceedings -
DOI :
10.1049/ip-cds:20030137