Patent ID: 8899788

Claim:
A light source fixing device, comprising a heat dissipating support, wherein the heat dissipating support comprises a receiving recess, and wherein the light source fixing device further comprises an elastic element disposed in the receiving recess; wherein the elastic element is arranged on and in contact with a bottom surface of the receiving recess, the light source fixing device is configured for receiving and fixing a light emitting element, the elastic element is independent from both of the light emitting element and the heating dissipating support, and the light emitting element is arranged on the elastic element such that the elastic element is sandwiched between the bottom surface of the receiving recess and the light emitting element; wherein the receiving recess comprises the bottom surface and two opposite side surfaces, the bottom surface adjoins lower ends of the two side surfaces, an opening of the receiving recess is formed between upper ends of the two side surfaces, a distance between the lower ends of the two side surfaces is greater than a width of the opening, and each of the side surfaces is inclined or arcuated or is formed with a stepped structure from the upper end thereof to the lower end thereof.