Patent ID: 9715058
Date: 2017-07-25
CPC Classifications: A61L,G02B

Claim:
1. A light panel, comprising: a lightguide having an input port for receiving light, the input port is disposed on a bottom surface of the lightguide; a beam reflector disposed on a top surface of the lightguide, the beam reflector reflects at least a portion of the light; a mirror disposed on the bottom surface of the lightguide, the mirror reflects a portion of the light toward the top surface of the lightguide; and a plurality of light scattering features disposed on the bottom surface of the lightguide, the plurality of light scattering features reflects a portion of the light toward the top surface of the lightguide, wherein a portion of the lightguide is removed to form a cavity in the lightguide and the beam reflector includes a light reflecting layer deposited on the cavity, the beam reflector includes a plurality of via holes for transmitting a portion of the light therethrough and a number density of the plurality of via holes is proportional to a distance from a center of the beam reflector.