Patents by Inventor Yongfeng Lai

Yongfeng Lai 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: 20210149162
    Abstract: An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, and a seventh lens element positioned in an order from an object side to an image side along an optical axis. Through designing concave and/or convex surface of the lens elements, the optical imaging lens may have improved imaging quality, enlarged aperture stop and reduced optical imaging lens length while the optical imaging lens may satisfy D11t61*Fno/ImgH?1.200 and 110?V2+V3+V4+V5?145, wherein a distance from an object side surface of the first lens element to an object side surface of the sixth lens element along the optical axis is represented by D11t61, a f-number of the optical imaging lens is represented by Fno, an image height of the optical imaging lens is represented by ImgH, and Abbe numbers of the second to fifth lens elements are represented by V2, V3, V4, V5.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 20, 2021
    Inventors: JIA-SIN JHANG, MAOZONG LIN, FENG LI, YONGFENG LAI
  • Publication number: 20210109316
    Abstract: An optical imaging lens includes a first lens element to a seventh lens element. A periphery region of the image-side surface of the first lens element is concave, a periphery region of the object-side surface of the third lens element is concave, the fourth lens element has negative refracting power, an optical-axis region of the object-side surface of the fifth lens element is concave, an optical-axis region of the object-side surface of the sixth lens element is convex and an optical-axis region of the object-side surface of the seventh lens element is concave. EFL is an effective focal length of the optical imaging lens, BFL is a distance from the image-side surface of the seventh lens element to an image plane, AAG is a sum of six air gaps and Ti is a thickness of the first lens element to satisfy EFL/BFL?4.800 and AAG/T1?2.000.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 15, 2021
    Inventors: Jia-Sin Jhang, Yongfeng Lai, Jianpeng Li
  • Patent number: 10901178
    Abstract: An optical imaging lens including a first lens element, a second lens element, a third lens element, and a fourth lens element arranged in sequence from an object side to an image side along an optical axis is provided. Each lens element includes an object-side surface and an image-side surface. A periphery region of an image-side surface of the first lens element is convex, an optical axis region of an image-side surface of the second lens element is convex, and a periphery region of an object-side surface of the third lens element is convex. An optical axis region of an object-side surface of the fourth lens element is convex, and a periphery region of the object-side surface of the fourth lens element is concave.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: January 26, 2021
    Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Feng Chen, Yanbin Chen, Yongfeng Lai
  • Patent number: 10830996
    Abstract: The present disclosure provides an optical imaging lens. The optical imaging lens may comprise 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 and designing parameters satisfying at least one inequality, the optical imaging lens may shorten system length and enlarge view angle and aperture size.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: November 10, 2020
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Jia-Sin Jhang, Yongfeng Lai, Lihua Lei
  • Publication number: 20200285025
    Abstract: An optical imaging lens includes a first lens element to a fifth lens element from an object side to an image side in order along an optical axis, and each lens element has an object-side surface and an image-side surface. An optical axis region of the image-side surface of the first lens element is concave, a periphery region of the image-side surface of the fourth lens element is concave, an optical axis region of the object-side surface of the fifth lens element is convex, and a periphery region of the image-side surface of the fifth lens element is convex. EFL is an effective focal length of the optical imaging lens and TTL is a distance from the object-side surface of the first lens element to an image plane along the optical axis to satisfy 1.1?EFL/TTL?1.6.
    Type: Application
    Filed: June 10, 2019
    Publication date: September 10, 2020
    Inventors: Jia-Sin Jhang, Yanxuan Yin, Yongfeng Lai
  • Patent number: 10761298
    Abstract: An optical imaging lens may comprise a first, a second, a third, a fourth, a fifth, a sixth and a seventh lens elements sequentially from an object side to an image side along an optical axis, and each of the first, second, third, fourth, fifth, sixth and seventh lens elements may have an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through. The optical imaging lens may comprise no other lens elements having refracting power beyond the first, second, third, fourth, fifth, sixth and seventh lens elements. Through designing concave and/or convex surfaces of the four lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics while the total length of the optical imaging lens may be shortened.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: September 1, 2020
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Ta-Cheng Fan, Yongfeng Lai, Lihua Lei
  • Publication number: 20200209550
    Abstract: An optical imaging lens including a first lens element, a second lens element, a third lens element, and a fourth lens element arranged in sequence from an object side to an image side along an optical axis is provided. Each lens element includes an object-side surface and an image-side surface. A periphery region of an image-side surface of the first lens element is convex, an optical axis region of an image-side surface of the second lens element is convex, and a periphery region of an object-side surface of the third lens element is convex. An optical axis region of an object-side surface of the fourth lens element is convex, and a periphery region of the object-side surface of the fourth lens element is concave.
    Type: Application
    Filed: February 18, 2019
    Publication date: July 2, 2020
    Applicant: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Feng Chen, Yanbin Chen, Yongfeng Lai
  • Publication number: 20200110247
    Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, and an eighth lens element from an object side to an image side in order along an optical axis. The first lens element to the eighth lens element each include an object-side surface facing the object side and an image-side surface facing the image side. The periphery region of the image-side surface of the first lens element is concave. The optical axis region of the image-side surface of the third lens element is concave. The periphery region of the object-side surface of the fourth lens element is concave and the optical axis region of the image-side surface of the fourth lens element is convex. The optical axis region of the image-side surface of the seventh lens element is concave.
    Type: Application
    Filed: October 22, 2019
    Publication date: April 9, 2020
    Applicant: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Jia-Sin Jhang, Ruyou Tang, Yongfeng Lai
  • Publication number: 20200018928
    Abstract: The present disclosure provides an optical imaging lens. The optical imaging lens may comprise 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 and designing parameters satisfying at least one inequality, the optical imaging lens may shorten the system length and enlarge the view angle and aperture size.
    Type: Application
    Filed: November 26, 2018
    Publication date: January 16, 2020
    Inventors: Feng Chen, Yongfeng Lai, Ruyou Tang
  • Publication number: 20200003993
    Abstract: An optical imaging lens may comprise a first, a second, a third, a fourth, a fifth, a sixth and a seventh lens elements sequentially from an object side to an image side along an optical axis, and each of the first, second, third, fourth, fifth, sixth and seventh lens elements may have an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through. The optical imaging lens may comprise no other lens elements having refracting power beyond the first, second, third, fourth, fifth, sixth and seventh lens elements. Through designing concave and/or convex surfaces of the four lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics while the total length of the optical imaging lens may be shortened.
    Type: Application
    Filed: October 3, 2018
    Publication date: January 2, 2020
    Inventors: TA-CHENG FAN, YONGFENG LAI, LIHUA LEI
  • Patent number: 10488627
    Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, and an eighth lens element from an object side to an image side in order along an optical axis. The first lens element to the eighth lens element each include an object-side surface facing the object side and an image-side surface facing the image side. The second lens element has negative refracting power. The optical axis region of the image-side surface of the third lens element is concave. The optical axis region of the object-side surface of the fourth lens element is concave. The periphery region of the image-side surface of the fourth lens element is convex. The periphery region of the object-side surface of the sixth lens element is concave.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: November 26, 2019
    Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Jia-Sin Jhang, Ruyou Tang, Yongfeng Lai
  • Publication number: 20190346664
    Abstract: An optical imaging lens includes a first lens element to a seventh lens element. A periphery region of the object-side surface of the third lens element is convex, a periphery region of the image-side surface of the fifth lens element is concave, an optical-axis region of the image-side surface of the sixth lens element is concave, the seventh lens element has negative refracting power and an optical-axis region of the object-side surface of the seventh lens element is concave, and the lens elements having refracting power included by the optical imaging lens are only the seven lens elements described above.
    Type: Application
    Filed: June 3, 2019
    Publication date: November 14, 2019
    Inventors: Jia-Sin Jhang, Ruyou Tang, Yongfeng Lai
  • Patent number: 10459201
    Abstract: An optical imaging lens includes: first, second, third, fourth, fifth, sixth and seventh lens element, the first lens element has positive refracting power and an image-side surface with a concave portion in a vicinity of its periphery, the second lens element, the sixth lens element and the seventh lens element are made of plastic, the third lens element has an object-side surface with a concave portion in a vicinity of its periphery and an image-side surface with a concave portion in a vicinity of the optical axis, the fourth lens element has an object-side surface with a convex portion in a vicinity of the optical axis, the fifth lens element has an object-side surface with a concave portion in a vicinity of the optical axis. In addition, ?3 and ?5 are the Abbe numbers of the third and the fifth lens element respectively, and satisfying the relationship: ?3+?5?100.000.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 29, 2019
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Feng Chen, Ruyou Tang, Yongfeng Lai
  • Publication number: 20190302419
    Abstract: The present disclosure provides an optical imaging lens. The optical imaging lens may comprise 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 and designing parameters satisfying at least one inequality, the optical imaging lens may shorten system length and enlarge view angle and aperture size.
    Type: Application
    Filed: June 22, 2018
    Publication date: October 3, 2019
    Inventors: Jia-Sin Jhang, Yongfeng Lai, Lihua Lei
  • Patent number: 10353182
    Abstract: An optical imaging lens includes a first lens element to a seventh lens element. The optical-axis region of the object-side surface of the fourth lens element is concave, the periphery region of the image-side surface of the fifth lens element is concave and the optical-axis region of the image-side surface of the sixth lens element is concave. AAG is the sum of total six air gaps from the first lens element to the seventh lens element and G12 is the air gap between the first lens element and the second lens element to satisfy AAG/G12?10.000.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: July 16, 2019
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Jia-Sin Jhang, Ruyou Tang, Yongfeng Lai
  • Publication number: 20190204555
    Abstract: An optical imaging lens includes a first lens element to a seventh lens element. The optical-axis region of the object-side surface of the fourth lens element is concave, the periphery region of the image-side surface of the fifth lens element is concave and the optical-axis region of the image-side surface of the sixth lens element is concave. AAG is the sum of total six air gaps from the first lens element to the seventh lens element and G12 is the air gap between the first lens element and the second lens element to satisfy AAG/G12?10.000.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 4, 2019
    Inventors: Jia-Sin Jhang, Ruyou Tang, Yongfeng Lai
  • Publication number: 20190204557
    Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, and an eighth lens element from an object side to an image side in order along an optical axis. The first lens element to the eighth lens element each include an object-side surface facing the object side and an image-side surface facing the image side. The second lens element has negative refracting power. The optical axis region of the image-side surface of the third lens element is concave. The optical axis region of the object-side surface of the fourth lens element is concave. The periphery region of the image-side surface of the fourth lens element is convex. The periphery region of the object-side surface of the sixth lens element is concave.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 4, 2019
    Applicant: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Jia-Sin Jhang, Ruyou Tang, Yongfeng Lai
  • Publication number: 20190146185
    Abstract: An optical imaging lens includes: first, second, third, fourth, fifth, sixth and seventh lens element, the first lens element has positive refracting power and an image-side surface with a concave portion in a vicinity of its periphery, the second lens element, the sixth lens element and the seventh lens element are made of plastic, the third lens element has an object-side surface with a concave portion in a vicinity of its periphery and an image-side surface with a concave portion in a vicinity of the optical axis, the fourth lens element has an object-side surface with a convex portion in a vicinity of the optical axis, the fifth lens element has an object-side surface with a concave portion in a vicinity of the optical axis. In addition, ?3 and ?5 are the Abbe numbers of the third and the fifth lens element respectively, and satisfying the relationship: ?3+?5?100.000.
    Type: Application
    Filed: December 20, 2017
    Publication date: May 16, 2019
    Inventors: Feng Chen, Ruyou Tang, Yongfeng Lai
  • Publication number: 20180314040
    Abstract: Present embodiments provide for optical imaging lenses. An optical imaging lens may comprise five 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 one inequality, the optical imaging lens may exhibit better optical characteristics and the half field of view of the optical imaging lens may be broadened.
    Type: Application
    Filed: June 14, 2017
    Publication date: November 1, 2018
    Inventors: Feng Chen, Yongfeng Lai, Ruyou Tang