Patent ID: 8292486
Filing Date: 2012-10-23
Classification: H05B

Abstract:
1. An illumination apparatus, comprising: a light guide plate, having a first incident surface and a second incident surface opposite to the first incident surface; a first light source module, capable of providing a light beam into the first incident surface of the light guide plate, the first light source module comprising at least one first white light emitting diode and at least one second white light emitting diode, wherein the first white light emitting diode has a first color temperature, the second white light emitting diode has a second color temperature different from the first color temperature; and a second light source module, capable of providing a light beam into the second incident surface of the light guide plate, the second light source module comprising at least one third white light emitting diode and at least one forth white light emitting diode, the third white light emitting diode having a third color temperature, the forth white light emitting diode having a forth color temperature different from the third color temperature, wherein the position of the third white light emitting diode is corresponding to the position of the second white light emitting diode, and the position of the forth white light emitting diode is corresponding to the position of the first white light emitting diode.