Patent ID: 8049238
Filing Date: 2011-11-01
Classification: G02B,G02F,H05B

Abstract:
1. A light emitting module, comprising: a light source comprising a circuit board, and a light emitting device fixed on the circuit board, wherein the light emitting device comprises a plurality of light emitting elements and a control circuit, the light emitting elements being arranged on peripheral edges of the circuit board; a light guide plate comprising a plurality of light emitting sidewalls, a plurality of reflection walls, and a receiving hole defined in the light guide plate, wherein the receiving hole comprises a plurality of light incident sidewalls, each light incident sidewall being opposite to a corresponding light emitting element, wherein light is received from the light emitting device and exits through the light guide plate; and a reflecting mask covering the receiving hole, comprising a bottom surface and a plurality of reflecting surfaces, each reflecting surface being opposite to a corresponding light emitting element.