McClure, Qualey & Rodack, LLP
Electronic device
An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.
LARGAN PRECISION CO., LTD.
G H H G G H G G
G02B H04N H04N G02B G01B H04N G02B G02B
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Chien-Hsun Tzu-Chieh Hung-Shuo
Wu Kuo Chen