Patent ID: 9134476
Filing Date: 2015-09-15
Classification: G02B

Abstract:
1. An LED (light emitting diode) module comprising: an LED; a light guiding plate facing a longitudinal end the LED; and a diverging lens covering and facing the light guiding plate; wherein light emitted from the LED enters the light guiding plate, and is diffused by the light guiding plate and further diverged by the diverging lens out of the LED module; wherein the light guiding plate comprises a first light incident face facing the LED and a first light emerging face facing the diverging lens; wherein the diverging lens comprises a second light incident face facing the first light emerging face of the light guiding plate, and a second light emerging face opposite to the second light incident face; and wherein the second light emerging face comprises a concave face and two convex faces located at two opposite sides of the concave face respectively, and the concave face and the two convex faces of the second light emerging face are elongated faces parallel to each other.