Patent ID: 8840295

Claim:
A backlight system comprising: a first light guide layer; a plurality of first light sources arranged on an edge of at least one side of the first light guide layer and configured to emit first light into the first light guide layer through the edge thereof; a second light guide layer arranged on a first surface of the first light guide layer and containing light-excited fluorophores therein; and a plurality of second light sources arranged on an edge of at least one side of the second light guide layer and configured to emit second light into the second light guide layer through the edge thereof in synchronization with the emission of the first light sources, wherein the first light guide layer is configured to transmit the first light therein and to emit the first light through a portion of the second light guide layer, and wherein the second light guide layer is configured to transmit the second light therein and to emit white light caused by the light-excited fluorophores illuminated by the second light from the portion thereof.