Liquid crystal display including color triads with split pixels

Details Liquid crystal display including color triads with split pixels Liquid crystal display including color triads with split pixels

1993-09-29

1996-01-16

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 68, 345 88, 345 92, G02F 11335, G02F 11343

Patent

active

054852935

ABSTRACT:
An active liquid crystal multi-colored display panel structure comprised of triangular triads of colored display pixels which are rotated 90.degree.. The display comprises a plurality of colored pixel electrodes arranged in rows and columns to form a matrix, wherein a row control line is provided every 1.5 rows of electrodes, and wherein three column control lines are provided for each two columns of electrodes. Thus, a matrix of 720.times.720 pixel electrodes requires 480 row control lines and 1080 column signal lines. The active liquid crystal display structure can be directly driven by a video source such that 480 active lines of video signal can be mapped directly onto the 720 rows of pixel elements. A switching circuit is provided for controlling the arrangement of R, G and B pixel signals to the column source lines. The triads of pixel elements provided are rotated 90.degree. to maintain high resolution while allowing a standard video signal to be directly mapped onto the display without additional electronics such as a ping-pong memory.

REFERENCES:
patent: 4745406 (1988-05-01), Hayashi et al.
patent: 4822142 (1989-04-01), Yasui
patent: 4969718 (1990-11-01), Noguchi et al.
patent: 5006840 (1991-04-01), Hamada et al.
patent: 5151689 (1992-09-01), Kabuto et al.

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