期刊名称：International Journal of Multimedia and Ubiquitous Engineering
印刷版ISSN：1975-0080
出版年度：2015
卷号：10
期号：8
页码：215-220
DOI：10.14257/ijmue.2015.10.8.22
出版社：SERSC
摘要：A color overlapping method for increasing the brightness of projection systems using light-emitting diodes (LEDs) is proposed. The proposed approach drives the pulse width modulated signals of red, green, and blue LEDs. This color overlapping method synthesizes secondary colors of yellow and cyan from primary colors of red, green, and blue. By the proposed method, the brightness of the projected image is improved by about 30% compared to the conventional non-color-overlapping method in a projection system with LEDs.
关键词：projection system; light-emitting diode; color overlapping; secondary color
