Patent ID: 8622599
Filing Date: 2014-01-07
Classification: F21V,G02B

Abstract:
1. A lighting module comprising: a light guide plate; a first case coupled to one side of the light guide plate; a first light source which is disposed in the first case and emits light to the one side of the light guide plate; a second case coupled to the other side of the light guide plate; and a second light source which is disposed in the second case and emits light to the other side of the light guide plate wherein an amount of light which is emitted through a top surface of the light guide plate is equal to or not equal to an amount of light which is emitted through a bottom surface of the light guide plate, wherein the first case comprises a base in which the first light source is disposed, a first extension part extending from the base and a second extension part extending from the base, and wherein a length of the first extension part is less than a length of the second extension part.