Patents Examined by ALlicia M Harrington
  • Patent number: 8654458
    Abstract: The present invention provides a wide-angle imaging lens assembly comprising, in order from an object side to an image side: a first lens element with negative refractive power having a convex object-side surface and a concave image-side surface; a second lens element with negative refractive power having a convex object-side surface and a concave image-side surface; a third lens element with positive refractive power; a fourth lens element with negative refractive power having a concave image-side surface; and a fifth lens element with positive refractive power; wherein the two lens elements with refractive power closest to the object side are the first lens element and the second lens element; and wherein the number of lens elements with refractive power does not exceed six.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: February 18, 2014
    Assignee: Largan Precision Co., Ltd.
    Inventors: Tsung Han Tsai, Hsiang Chi Tang