Patents by Inventor Tzu-Chien Tang

Tzu-Chien Tang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170038556
    Abstract: Present embodiments provide for an optical imaging lens. The optical imaging lens may comprise four lens elements positioned sequentially from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters to satisfy at least three inequalities, the length of the optical imaging lens may be shortened while maintaining improved optical characteristics.
    Type: Application
    Filed: January 4, 2016
    Publication date: February 9, 2017
    Inventors: Tzu-Chien Tang, Pei Chi Wang
  • Patent number: 9557529
    Abstract: The present invention provides a camera device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements, the view angle of the optical imaging lens is efficiently increased to provide better optical characteristics.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: January 31, 2017
    Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
    Inventors: Poche Lee, Chih Yang Yeh, Tzu-chien Tang
  • Patent number: 9535234
    Abstract: An optical imaging lens includes: a first, second, third, fourth, fifth and sixth lens element, the first lens element has an object-side surface with a convex part in a vicinity of the optical axis, and a convex part in a vicinity of its periphery, the second lens element has an image-side surface with a concave part in a vicinity of its periphery, the third lens element has an image-side surface with a convex part in a vicinity of its periphery, the fourth lens has an object-side surface with a concave part in a vicinity of its periphery, the fifth lens element has an object-side surface with a concave part in a vicinity of the optical axis, the sixth lens element has an image-side surface with a concave part in a vicinity of the optical axis, and a convex part in a vicinity of its periphery.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: January 3, 2017
    Assignee: Genius Electronic Optical Co., Ltd.
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang
  • Patent number: 9513465
    Abstract: The present invention provides a camera device and an optical imaging lens thereof. The optical imaging lens comprises six lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements, the view angle of the optical imaging lens is efficiently increased to shows better optical characteristics.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: December 6, 2016
    Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
    Inventors: Sheng Wei Hsu, Tzu Chien Tang, Chih Yang Yeh
  • Patent number: 9488804
    Abstract: An optical imaging lens includes, in order from an object side to an image side, first, second, third, fourth, fifth, sixth, and seventh lens elements arranged along an optical axis. The object-side surface of the first lens element has a convex portion and the image-side surface has a concave portion. The image-side of the third lens element is a concave surface. The object-side surface of the fourth lens element has a concave portion and the image-side surface of the fourth lens element has a convex portion. The image-side surface of the sixth lens element has a convex portion. The object-side surface of the seventh lens element has a convex portion and the image-side surface has a convex portion. The optical imaging lens only has seven lens elements having a refractive power.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: November 8, 2016
    Assignee: Genius Electronic Optical Co., Ltd.
    Inventors: Matthew Bone, Poche Lee, Tzu-Chien Tang
  • Publication number: 20160282586
    Abstract: An optical imaging lens, an image-side surface of a second lens element has a concave part in a vicinity of its periphery; an object-side of a third lens element has a concave part in a vicinity of its periphery; an object-side surface of a fourth lens element has a concave part in a vicinity of the optical axis, and a concave part in a vicinity of its periphery; an image-side surface of the fourth lens element has convex part in a vicinity of its periphery; an object-side surface of a fifth lens element has a convex part in a vicinity of the optical axis; an image-side surface of the fifth lens element has a concave part in a vicinity of the optical axis, and has convex part in a vicinity of its periphery. The imaging lens satisfies the relationship |V1?V3|?20 and EFL/(G34+G45)?4.8.
    Type: Application
    Filed: June 16, 2015
    Publication date: September 29, 2016
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang
  • Patent number: 9413934
    Abstract: An optical imaging lens includes: a first, second, third, fourth, fifth and sixth lens element, the first lens element has negative refractive power, the second lens element has negative refractive power, the third lens element has refractive power, the fourth lens element having an image-side surface with a convex portion in a vicinity of the optical axis, the fifth lens element having an image-side surface with a convex portion in a vicinity of the optical axis, and the sixth lens element having an image-side surface with a concave portion in a vicinity of its periphery, wherein the optical imaging lens set does not include any lens element with refractive power other than said first, second, third, fourth, fifth and sixth lens elements.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: August 9, 2016
    Assignee: Genius Electronic Optical Co., Ltd.
    Inventors: Tzu-Chien Tang, Chih-Yang Yeh
  • Patent number: 9405098
    Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens may comprise an aperture stop and four lens elements positioned sequentially from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least two inequalities, the optical imaging lens may exhibit better optical characteristics and the total length of the optical imaging lens may be shortened.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: August 2, 2016
    Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
    Inventors: Tzu-Chien Tang, Chih Yang Yeh
  • Patent number: 9395521
    Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises six lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.
    Type: Grant
    Filed: August 23, 2014
    Date of Patent: July 19, 2016
    Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
    Inventors: Sheng Wei Hsu, Tzu-Chien Tang
  • Publication number: 20160191764
    Abstract: An optical imaging lens includes: an aperture stop, a first, second, third and fourth lens element arranged in order from an object side to an image side along an optical axis of the imaging lens. The image-side surface of the first lens element has a convex part in a vicinity of its periphery, the object-side surface of the second lens element has a concave portion in a vicinity of the optical axis, the object-side of the third lens element has a concave portion in a vicinity of the optical axis, and a convex part in a vicinity of its periphery; the object-side surface of the fourth lens element has a convex portion in a vicinity of the optical axis. The imaging lens satisfies T3/AAG?1.4, (G12+G34)/T2?1.4 and |V1?V4|?20.
    Type: Application
    Filed: February 16, 2015
    Publication date: June 30, 2016
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang
  • Publication number: 20160182779
    Abstract: An optical imaging lens set includes an aperture stop, a first lens element to a fourth lens element from an object side toward an image side along an optical axis. The first lens element has an image-side surface with a convex portion in a vicinity of its periphery. The second lens element has an object-side surface with a concave portion in a vicinity of its periphery and an image-side surface with a convex portion in a vicinity of its periphery. The third lens element has an image-side surface with a convex portion in a vicinity of the optical axis and a concave portion in a vicinity of its periphery. The fourth lens element is made of plastic and has an object-side surface with a concave portion in a vicinity of its periphery.
    Type: Application
    Filed: February 16, 2015
    Publication date: June 23, 2016
    Inventors: Chih-Yang Yeh, Tzu-Chien Tang
  • Publication number: 20160150139
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant lens parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.
    Type: Application
    Filed: February 12, 2015
    Publication date: May 26, 2016
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang
  • Patent number: 9350908
    Abstract: The present disclosure provides a mobile device and an optical imaging lens thereof. The optical imaging lens may comprise five lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements, the optical imaging lens may exhibit better optical characteristics and the total length of the optical imaging lens may be shortened.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: May 24, 2016
    Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
    Inventors: Sheng Wei Hsu, Tzu-Chien Tang
  • Publication number: 20160139363
    Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens may comprise four lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may exhibit better optical characteristics and the total length of the optical imaging lens may be shortened.
    Type: Application
    Filed: March 17, 2015
    Publication date: May 19, 2016
    Inventors: Sheng Wei Hsu, Tzu-Chien Tang
  • Publication number: 20160131868
    Abstract: An imaging lens includes first to fourth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.
    Type: Application
    Filed: February 24, 2015
    Publication date: May 12, 2016
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang
  • Publication number: 20160131875
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant lens parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.
    Type: Application
    Filed: April 7, 2015
    Publication date: May 12, 2016
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang
  • Patent number: 9335520
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 10, 2016
    Assignee: Genius Electronic Optical Co., Ltd.
    Inventors: Sheng-Wei Hsu, Chih-Yang Yeh, Tzu-Chien Tang
  • Patent number: 9304290
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant lens parameters, a wide field of view of the imaging lens may be achieved while maintaining good optical performance.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: April 5, 2016
    Assignee: Genius Electronic Optical Co., Ltd.
    Inventors: Poche Lee, Tzu-Chien Tang, Chih-Yang Yeh
  • Publication number: 20160062085
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.
    Type: Application
    Filed: November 26, 2014
    Publication date: March 3, 2016
    Inventors: Sheng-Wei HSU, Chih-Yang YEH, Tzu-Chien TANG
  • Patent number: 9274317
    Abstract: An optical imaging lens includes: first through sixth lens elements, the first lens element has a positive refracting power, an object-side surface with a convex part in a vicinity of the optical axis, and a convex part in a vicinity of its periphery, the second lens element has a negative refracting power and an object-side surface with a convex part in a vicinity of its periphery, the third lens element and the fourth lens element each have an image-side surface with a convex part in a vicinity of the optical axis, the fifth lens element has an object-side surface with a convex part in a vicinity of the optical axis, the sixth lens element has an image-side surface with a concave part in a vicinity of the optical axis, and the optical imaging lens set includes no lens element with refractive power other than said first through sixth lens elements.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: March 1, 2016
    Assignee: Genius Electronics Opticals Co., Ltd.
    Inventors: Sheng-Wei Hsu, Tzu-Chien Tang