Patent ID: 8220935
Filing Date: 2012-07-17
Classification: G03B

Abstract:
1. An illumination system, comprising: a first light emitting chip, capable of emitting a first light beam; a chip package, comprising: a first dichroic film, disposed in the transmission paths of the first light beam and the second light beam; and a second dichroic film, disposed in the transmission paths of the first light beam, the second light beam, and the third light beam, wherein the first dichroic film and the second dichroic film are not parallel to each other and do not intersect each other, the first light beam is capable of passing through the first dichroic film and the second dichroic film sequentially, the second light beam is capable of passing through the second dichroic film, being reflected by the first dichroic film, and passing through the second dichroic film sequentially, the third light beam is capable of being reflected by the second dichroic film, and the first light beam, the second light beam, and the third light beam together form an illumination beam after departing from the second dichroic film.