Display device

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G - Physics

02

F

345/5, 375/53

G02F 1/133 (2006.01)

Patent

CA 1293068

ABSTRACT OF THE DISCLOSURE DISPLAY DEVICE In a liquid crystal display, each pixel is formed of four separately energisable areas which have relative light outputs in the ratio 1:2:4:8 respectively, thereby allowing a range of 16 grey levels to be achieved by appropriate selection of areas. Each of the areas has a number of segments, which are spaced-apart but concentrically arranged, in order to have the same average position, so that different bit patterns cause the pixel to change brightness only, without any apparent positional change.

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