Patent attributes
A camera module includes a body and a cover, which are matched to form a sealed cavity; an image sensor and a micro-lens array, which are disposed in the sealed cavity; and an optical matching medium, filling the sealed cavity. The cover includes an objective lens, the center line of the image sensor is coincident with the optical axis of the objective lens, the micro-lens array is located between the image sensor and the objective lens, the optical matching medium is disposed between the objective lens and the micro-lens array, and the refractive index of the optical matching medium is greater than that of air.