Dithering method for an LCD

Details Dithering method for an LCD Dithering method for an LCD

2007-09-14

2010-11-23

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S690000, C345S055000, C345S089000, C348S254000, C348S430100, C348S671000, C348S761000, C358S001900, C382S169000, C382S170000, C382S254000, C382S274000

Reexamination Certificate

active

07839413

ABSTRACT:
A dithering method for an LCD is disclosed and comprises a plurality of steps. First, a plurality of long-bit gray-level signals are received. Each of the long-bit gray-level signal is transformed to a short-bit gray-level signal and at least one LSB is obtained based on the bit length difference between the long-bit gray-level signal and the short-bit gray-level signal. A sequence of frames is generated by the short-bit gray-level signals, and the frames can be classified into different groups according to the LSB. The offset pattern is applied on the frames, wherein the offset pattern is displayed at the same polarity in the same column of each frame in the same group.

REFERENCES:
patent: 2004/0081079 (2004-04-01), Forest et al.
patent: 2005/0184938 (2005-08-01), Hewlett et al.
patent: 2008/0298438 (2008-12-01), Song

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