Abstract
Expensive hardware is required by the conventional two-dimensional (2-D)
light-emitting diode (LED) dimming technique to obtain high-contrast and
low-power in the field sequential color (FSC) technique. Thus, based on
real-time image data, the pseudo zero-dimension (0-D) LED dimming technique
is proposed to further reduce power dissipation in the D-FSC technique,
which allows the intelligent selection of an adequate color sequence. The
multi-liquid crystal and backlight (LC/BL) algorithm utilizes the D-FSC
technique in temporal and spatial domains. It not only utilizes the pseudo
0-D technique to effectively reduce the color breakup (CBU) effect without
greatly increasing frame rate, but also to reduce power consumption. On the
backlight module, CBU suppression can be substantially improved and power
dissipation can be reduced by at least 12.5%. Power consumption can also be
further reduced through the re-dimming improvement in the proposed pseudo
0-D dimming technique.
© 2010 IEEE
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