Importance

Loading Importance Indicators...

Abstract

A liquid crystal display where grayscale inversion is reduced includes a liquid crystal cell having pixel groups, each group comprising a red (R) pixel, a green (G) pixel, a blue (B) pixel, and a white (W) pixel, and drive circuitry that applies a voltage V_RGB and a voltage V_W satisfying the formulae (ia) and (iia) between electrodes defining the G pixel and between electrodes defining the W pixel, respectively, depending on a grayscale level L (where L satisfies 0≦L≦1) in grayscale where substantially the same voltage V_RGB is applied between electrodes defining each of the R, G, and B pixels:

description='In-line Formulae' end='lead'for 0<L≦0.03, T_G=0 and T_W=2*L,  (ia)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'for 0.03<L≦0.3, 0.05<T_W/(T_G−0.03)<0.86;  (iia)description='In-line Formulae' end='tail'

where T_G and T_W each represent normalized transmittance obtained through normalization of transmittance of each of the G and W pixels assuming that white brightness in a normal direction to a display surface of the liquid crystal display is 1.

Loading the Abstract Image...

First Claim