Patent ID: 9733418
Date: 2017-08-15
CPC Classifications: G02B

Claim:
1. A light source module, comprising: at least one light emitting device, adapted to emit at least one light beam; a light guide plate, wherein the at least one light emitting device is disposed beside the light guide plate, the light guide plate comprising: a first surface; a second surface, being opposite to the first surface; and a light-entering surface, connected with the first surface and the second surface; at least one first light guide end, located on one side of the light guide plate where the light-entering surface is located and located in front of the at least one light emitting device; at least one second light guide end, located on the side of the light guide plate where the light-entering surface is located and connected with the at least one first light guide end; and a first light-transmitting medium, disposed at the at least one first light guide end on the first surface and having a refractive index greater than a refractive index of a medium or space located at the at least one second light guide end on the first surface.