Light source control method of projector

摘要

A light source control method of a projector is provided. The light source control method includes the following steps. A frame data of a frame period is received. Gray distributions of a plurality of colors in the frame data are obtained by analyzing the frame data. Whether to shut all or a portion of a plurality of color light sources of the projector is determined according to the gray distributions of the colors. Therefore, the power consumption of the projector can be reduced.

主权项

1. A light source control method of a projector, comprising:
receiving a frame data of a frame period; performing data analysing according to the frame data, so as to obtain gray distributions of a plurality of colors in the frame data, wherein each of the plurality of colors corresponds to a color light source; determining whether to shut the color light source of the projector throughout the entire frame period according to the gray distributions of the colors, wherein the color light source that is shut does not emit the corresponding color light throughout the entire frame period for displaying a color image; and shutting the color light source which have been determined to be shut throughout the entire frame period.