Patent ID: 8480287

Claim:
A light source module, comprising: a back frame, having a baseboard; a light guide plate, disposed on the back frame, and having a first surface, a second surface opposite to the first surface, and a light incident surface connected to the first surface and the second surface, wherein the second surface faces toward the baseboard; and at least one light emitting device, disposed beside the light incident surface; wherein the light source module further comprises a thermal insulating element, disposed between the baseboard and the second surface, and located adjacent to the light incident surface, wherein the thermal insulating element comprises: a plurality of T-shaped hooks, disposed on a surface of the thermal insulating element facing the baseboard, and comprising a neck portion and a hook head connected to the neck portion; and a plurality of stop blocks, disposed on one end of the thermal insulating element located between the baseboard and the second surface, wherein the stop block is bended toward a direction apart from the second surface, and the baseboard comprises: a plurality of T-shaped through holes, and each of the T-shaped through hole comprising: a wide hole, wherein a width of the wide hole is capable of letting the hook head of the T-shaped hook pass through; and a narrow hole, connected to one side of the wide hole, wherein a width of the narrow hole is smaller than the width of the wide hole, the neck portion passes through the narrow hole, a width of the hook head is greater than the width of the narrow hole, and the hook head hooks an edge of the narrow hole; and a plurality of through holes, wherein the stop blocks are respectively leaned against sidewalls of the through holes.