Abstract
Color sequential LCDs benefit from high efficiency and high resolution,
but suffer from annoying color breakup. Various methods have recently been
proposed to suppress color breakup, e.g., the stencil color sequential and
local primary desaturation methods. Most of these approaches apply dimmable
and multi-color LED matrix backlights to adjust the intensity and chromaticity
of the display in both the spatial and temporal domains. In this paper we
summarize the factors for luminance and color control in a color sequential
LCD with minimized color breakup. Taking into account the properties of the
backlight, LC-panel transmission and LC response, a general algorithm for
color rendering in a color sequential LCD is proposed. Specially, the effect
of the LC response delay on the luminance and color reproduction accuracy
is investigated and a compensation method is proposed.
© 2014 IEEE
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