Patent ID: 6121952
Filing Date: 2000-09-19
Classification: G09G

Abstract:
A gray scale display control device comprising:blink data storing means for storing blink data by which pixel groups of a display portion are blinked correspondingly to a gray scale;blink data generating means, to which the blink data stored in said blink data storing means is written, for outputting said blink data written thereto to said display portion in such a manner as to be in a predetermined arrangement;blink data arrangement means for determining an order in which the blink data written to said blink data generating means are respectively arranged in the pixel groups,wherein the blink data written to said blink data generating means is adapted to be able to be rewritten; andblink data overwriting means for overwriting the blink data written in said blink data generating means when flicker occurs;wherein said blink data arrangement means comprises:a vertical synchronization counter;a horizontal synchronization counter;a clock counter;an adder for adding an output of said horizontal synchronization counter and an output of said clock counter to an output of said vertical synchronization counter; anda decoder for randomly arranging the blink data, which is written to said blink data generating means, according to an output of said adder.