Patent ID: 9715857
Date: 2017-07-25
CPC Classifications: G09G

Claim:
1. A signal conversion device, comprising a pixel signal transmitting chip configured for receiving and transmitting a plurality of pixel signals of n colors, which are arranged in a first arrangement order; and a signal conversion chip capable of converting the plurality of pixel signals arranged in the first arrangement order into a display signal packet in a first predetermined format and outputting the display signal packet to drive a display device with a predetermined size, wherein the signal conversion device further comprises: a patch unit, which has input terminals connected to output terminals of the pixel signal transmitting chip, and is configured for rearranging the plurality of pixel signals in the first arrangement order into pixel signals in a second arrangement order and outputting the rearranged pixel signals; a signal conversion chip capable of converting the plurality of pixel signals arranged in the second arrangement order into a display signal packet in a second predetermined format; and a signal generating and outputting unit configured for generating a display signal packet in a third predetermined format from the display signal packet in the second predetermined format output from the signal conversion chip, and dividing the generated display signal packet into groups and outputting the same so as to drive a display device with a size larger than the predetermined size, wherein in the display signal packet in the first predetermined format and the display signal packet in the second predetermined format, display data corresponding to pixel signals of each color includes M bits, M is an even number, and in the display signal packet in the second predetermined format, a total n*M bits of display data are divided into M/2 groups and the signal conversion chip outputs the M/2 groups of display data; in the display signal packet in the third predetermined format, display data corresponding to pixel signals of each color includes N bits, N is an even number and larger than M, and in the display signal packet in the third predetermined format, a total n*N bits of display data are divided into N/2 groups, the lowest (N−M) bits of display data of each color are in the last (N−M)/2 groups, and are noise small analog signals; the M/2 groups of display data in the display signal packet in the second predetermined format correspond to the first M/2 groups of display data in the display signal packet in the third predetermined format one to one, and any display data in the display signal packet in the second predetermined format is lower than a corresponding display data in the display signal packet in the third predetermined format by (N−M) bits.