Patent ID: 8439519
Filing Date: 2013-05-14
Classification: F21V,F21Y,G02B,G02F,H05B

Abstract:
1. A lighting apparatus comprising: a first light emitting unit comprising one or more main light sources radiating white light in a downward direction; a first secondary light emitting unit formed at a first side under the first light emitting unit and comprising at least one first sub-light source radiating color light, and a second secondary light emitting unit formed at a second side under the first light emitting unit and comprising at least one second sub-light source radiating color light, such that the at least one first sub-light source and the at least one second light source face each other; and a light guide plate, disposed between the first secondary light source and the second secondary light source, which mixes the white light radiated from the one or more main light sources and the color light radiated from the first sub-light source and the second sub-light source, this outputting mixed light in the downward direction; wherein the color light radiated by the at least one first sub-light source is a first color different from a second color light radiated by the least one second sub-light source.