Title:	Driving method of driving a liquid crystal display element
Authors:	Kuwata, Takeshi Ruckmongathan, T.N. Nakagawa, Yutaka Koh, Hidemasa Hasebe, Hiroshi Yamashita, Takashi Nagano, Hideyuki Ohnishi, Takanori
Issue Date:	1997
Citation:	US Patent 5596344, 1997; European Patent EP0522510 (A2), 1993; Germany Patent DE69214206 (T2), 1997; US Patent 5262881 (A), 1993; US Patent 5682177 (A), 1997
Abstract:	A driving method for a liquid crystal display element including L row electrodes and K column electrodes in which two kinds of data, data corresponding to a logical "0" and data corresponding to a logical "1", are used to display gray shades. The row electrodes are divided into row electrode subgroups which are selected as a batch. When the row electrode subgroups are selected, they have a positive voltage level with respect to a non-election voltage and a negative voltage level with respect to a selection voltage. A matrix of column vector components in which row voltages are time-sequentially arranged form a display cycle in each of the row electrode subgroups, and such a matrix has orthogonality. Row voltages are dispersively applied in a display cycle in each of the row electrode subgroups. Further, a number of column vector components K is related to a number of row electrodes L such that K is a minimum value satisfying the orthogonality and L is</=2P=K, where K, L and P are integers. A gray shade is then effectuated by displaying a plural number of ON and OFF signs at a specified ratio.
Description:	Open Access
URI:	http://hdl.handle.net/2289/5531
Alternative Location:	http://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=19970121&CC=US&NR=5596344A&KC=A
Copyright:	1997
Appears in Collections:	Patents (SCM)

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