Patent attributes
A lens module includes a lens barrel, a first lens and a second lens. The first lens is received in the lens barrel. The first lens has a first central active portion and a first peripheral inactive portion. The first peripheral inactive portion includes a first base portion surrounding the first central active portion and a cylindrical portion extending upward from the first base portion. The second lens has a second central active portion and a second peripheral inactive portion. The second peripheral inactive portion includes a second base portion surrounding the second central active portion and a flange extending radially outward from the second base portion. The second base portion is engaged in the cylindrical portion and the flange is maintained above the cylindrical portion. A gap is maintained between the second peripheral inactive portion of the second lens and the first peripheral inactive portion of the first lens.
