Multi-color liquid crystal display system
AssigneeHitachi, Ltd.
InventorsKeiichi Tokuyama, Seiji Suda, Osamu Igarashi, Hirohisa Yamamura, Kouzo Katogi, Hiroshi Ito, Masaru Kugo, Kazuhiko Sato
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Abstract
A liquid crystal display panel including transparent electrode pairs confronting each other with liquid crystal substance disposed therebetween. At least one of each electrode pair is split into thin line electrode strips with color filters of several kinds of color being disposed thereon or on corresponding positions on the opposite electrode. The panel produces a display in an arbitrary color through the application of a certain combination of color signals between the electrodes selectively.
Claims18
A liquid crystal display system comprising:
- a display control circuit which produces display signals for displaying at least a fixed image pattern on a liquid crystal panel in a plurality of colors;
- first and second electrodes confronting each other with a liquid crystal disposed therebetween;
- and
- a drive circuit for activating said first and second electrodes in response to display signals provided by said display control circuit;
- said fixed image pattern including a plurality of segments formed of a plurality of said first and second electrodes, said drive circuit simultaneously driving said plurality of segments to enable display of said fixed image pattern in a desired color;
- at least one of said first and second electrodes being constructed as a plurality of adjacent thin line electrode strips, the thin line electrode strips of the at least one of said first and second electrodes having different widths;
- color filters being provided one of on the thin line electrode strips of the at least one of said first and second electrodes and at corresponding positions on the other of said first and second electrodes in a certain cyclic order of colors so that the color filters are interleaved, and
- said drive circuit operating to simultaneously activate selected ones of the thin line electrode strips selectively in response to color control signals provided by said display control circuit so as to enable display of said fixed image pattern in the desired color;
- whereby the color display of the fixed image pattern has at least one of a predetermined intensity in dependence on the width of the activated thin line electrode strips associated with the desired color and a three-dimensional appearance with enhanced legibility.
Dependencies are inferred from the claim text.