Abstract
A full-color image on field sequential color (FSC) displays is composed
of color fields in temporal sequence. With the FSC mechanism, color filters
of liquid crystal displays (LCDs) can be removed to heighten the light efficiency
and lower the material cost. Color breakup (CBU), however, has appeared intrinsically
to degrade visual qualities. A novel gray level determination of liquid crystal
and backlight (LC/BL) was proposed to suppress the CBU artifact on FSC-LCDs.
Based on the image content in each frame, a dominated color-mixed field was
found to minimize the color difference between the CBU and original image.
Additionally, the feedback algorithm for the adaptive LC/BL signals was developed
and implemented on a 32-inch optically compensated bend (OCB) mode LC panel.
According to the evaluation of experiments and observations, the proposed
method has been demonstrated to greatly suppress CBU in LCD applications.
© 2008 IEEE
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