Patent ID: 8471948

Claim:
A camera module, comprising: a printed circuit board (PCB); an image sensor positioned on the PCB; a lens holder positioned on the PCB and covering the image sensor; a lens barrel coupled to the lens holder; and a lens received in the lens barrel; wherein the lens holder comprises an inner sensor cover and an outer sensor cover surrounding the inner sensor cover, the inner sensor cover contacts the image sensor, the inner sensor cover, the lens barrel, the image sensor and the lens cooperatively define an enclosed space, the inner sensor cover and the outer sensor cover define an intermediate space, the inner sensor cover defines an inner dissipation hole that communicates the enclosed space with the intermediate space, the outer sensor cover defines an outer dissipation hole that communicates the intermediate space with the outside of the outer sensor cover, and the inner dissipation hole and the outer dissipation are misaligned with each other.