Patent ID: 9207387
Filing Date: 2015-12-08
Classification: G02B

Abstract:
1. A backlight module, comprising: a light guide plate, having a first side surface, a second side surface and a third side surface, wherein the first side surface is opposite to the third side surface, and the second side surface is orthogonal to the first and third side surfaces; a first light source device, disposed at two sides of an intersection corner of the first and second side surfaces and facing the first and second side surfaces; a second light source device, disposed at two side surfaces of an intersection corner of the second and third side surfaces and facing the second and third side surfaces; and a positioning structure, wherein a recess is formed at the intersection corner of the first and second side surfaces, and the recess has a first side wall extending along a first direction perpendicular to the first side surface and a second side wall extending along a second direction perpendicular to the second side surface, and the positioning structure is disposed in the recess.