Patent ID: 8937692
Filing Date: 2015-01-20
Classification: G02B,G02F

Abstract:
1. A color mixing lens comprising: a light receiving portion having at least two light emission diodes for emitting lights of colors different from each other and light receiving recesses for placing the light emission diodes therein respectively, wherein the light receiving portion is a circular column of a cylindrical shape and having a curved lateral surface, and the light receiving recesses with the light emission diodes placed therein are positioned at the curved lateral surface of the light receiving portion; a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light; and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof, wherein light emission surfaces of the light emission diodes are sloped with respect to a lower surface of the light receiving portion, and wherein the light receiving recesses extend from the curved lateral surface of the light receiving portion to an inside of the light receiving portion.