Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1992-10-06
1994-08-23
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 88, 345152, G09G 330
Patent
active
053411510
ABSTRACT:
In a liquid crystal colour display device having a row and column array of red, green and blue picture elements (12) in which each column comprises picture elements of a respective colour and in which the picture elements are each associated with a switching element (14), e.g. a TFT or MIM, and are driven via sets of crossing address conductors (20,22) with each row of picture elements being connected with a conductor (22) of one set and each conductor of the other set being connected to one picture element in each row and in different columns, as in a so-called delta configuration display, each conductor (20) of the other set is arranged, for example in zig-zag fashion, so as to connect with picture elements in at least three, and preferably seven, successive columns. A reduction in vertical cross-talk effects is then obtained particularly when using preferred line inversion drive schemes.
REFERENCES:
patent: 4223308 (1980-09-01), Baraff et al.
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"A 1-7M Pixel Full Colour Diode Driven AM-LCD" by M. Vijan et al, SID 90 Digest, pp. 530-533.
Fox John C.
Oberley Alvin E.
Saras Steven J.
Spain Norman N.
U.S. Philips Corporation
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