The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 02, 2014

Filed:

Mar. 22, 2010
Applicants:

Chia-cheng Lai, Tainan County, TW;

Yao-hung Lai, Tainan County, TW;

Chia-chuan Lee, Tainan County, TW;

Inventors:

Chia-Cheng Lai, Tainan County, TW;

Yao-Hung Lai, Tainan County, TW;

Chia-Chuan Lee, Tainan County, TW;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3197 (2013.01); H04N 9/3155 (2013.01);
Abstract

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.


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