Patents by Inventor Xuqi Bian

Xuqi Bian 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).

  • Patent number: 11892601
    Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power, and satisfies: 2.10?f1/f?4.00; 1.00?d4/d6?3.00; 0.20?d8/d9?0.90, and where f and f1 respectively denote focal lengths of the camera optical lens and the first lens; d4 denotes an on-axis distance between the second lens and the third lens; d6 denotes an on-axis distance between the third lens and the fourth lens; d8 denotes an on-axis distance between the fourth lens and the fifth lens; and d9 denotes an on-axis thickness of the fifth lens, thereby achieving good optical performance while satisfying design requirements for ultra-thinness, a wide angle and a large aperture.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: February 6, 2024
    Assignee: Changzhou Raytech Optronics Co., Ltd.
    Inventor: Xuqi Bian
  • Patent number: 11693220
    Abstract: The present disclosure discloses a camera optical lens, which includes, from an object-side to an-image side: a first lens having a positive refractive power, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eight lens, which satisfies following conditions: 0.95?f/TTL; ?4.00?f2/f??1.90; and ?15.00?(R7+R8)/(R7?R8)??2.50; where TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optic axis; f denotes a focal length of the camera optical lens; f2 denotes a focal length of the second lens; R7 denotes a curvature radius of an object-side surface of the fourth lens; R8 denotes a curvature radius of an image-side surface of the fourth lens. The camera optical lens can achieve good optical performance while meeting the design requirement for long focal length and ultra-thinness.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: July 4, 2023
    Assignee: Changzhou Raytech Optronics Co., Ltd.
    Inventor: Xuqi Bian
  • Patent number: 11543630
    Abstract: A camera optical lens includes first to fifth lenses. The camera optical lens satisfies: 1.50?(R5+R6)/(R5?R6); 0.40?d4/d6?1.25; 1.00?TTL/IH?1.30; and 1.00?(R3+R4)/(R3?R4)?2.40, where R3 and R4 denote curvature radiuses of an object side surface and an image side surface of the second lens, respectively; R5 and R6 denote curvature radiuses of an object side surface and an image side surface of the third lens, respectively; d4 denotes an on-axis distance from the image side surface of the second lens to the object side surface of the third lens; d6 denotes an on-axis distance from the image side surface of the third lens to an object side surface of the fourth lens; IH denotes an image height of the camera optical lens; and TTL denotes a total optical length. The camera optical lens has good optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: January 3, 2023
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventor: Xuqi Bian
  • Patent number: 11480764
    Abstract: The present disclosure provides a camera optical lens, which includes, from an object side to an image side in sequence: a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a refractive power; where the camera optical lens satisfies following conditions: 10.00?d5/d6?25.00; 2.00?f2/f?9.00; 3.00?(R7+R8)/(R7?R8)?25.00; and ?2.00?f4/f?10.41. The camera optical lens satisfies a design requirement of a large aperture, ultra-thinness and a wide angle while having good optical functions.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: October 25, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Xuqi Bian
  • Patent number: 11454784
    Abstract: Provided is a camera optical lens including, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; and a fourth lens having a negative refractive power. The camera optical lens satisfies following conditions: 2.00?(f1+f3)/f?2.30; ?8.60?(f2+f4)/f??4.80; ?2.10?(R1+R2)/(R1?R2)??1.90; ?4.00?(R3+R4)/(R3?R4)??1.00; and 2.00?(R7+R8)/(R7?R8)?3.40. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: September 27, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Minyi Xu, Hiroyuki Teraoka
  • Patent number: 11435556
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power. The camera optical lens satisfies following conditions: 8.00?d1/d2?12.00; and 2.80?v1/v3?4.00, where d1 denotes an on-axis thickness of the first lens; d2 denotes an on-axis distance from an image side surface of the first lens to an object side surface of the second lens; v1 denotes an abbe number of the first lens; and v3 denotes an abbe number of the third lens.
    Type: Grant
    Filed: December 7, 2019
    Date of Patent: September 6, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Wen Sun
  • Patent number: 11402615
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 11.00?f2/f1??6.00; and 5.00?d7/d6?10.00, where f1 denotes a focal length of the first lens; f2 denotes a focal length of the second lens; d7 denotes an on-axis thickness of the fourth lens; and d6 denotes an on-axis distance from an image side surface of the third lens to an object side surface of the fourth lens.
    Type: Grant
    Filed: December 7, 2019
    Date of Patent: August 2, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Wen Sun
  • Patent number: 11366291
    Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power, and satisfies: 0.65?f1/f?0.85; ?0.90?f2/f??0.60; 1.00?f3/f?1.20; ?8.00?(R5+R6)/(R5?R6)??2.50; 2.50?d5/d4?4.50; and 1.55?n2?1.70, where f, f1, f2, and f3 respectively denote focal lengths of the camera optical lens, the first lens, the second lens, and the third lens; R5 and R6 respectively denote central curvature radii of object side and image side surfaces of the third lens; d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens; d5 denotes an on-axis thickness of the third lens; and n2 denotes a refractive index of the second lens, thereby achieving good optical performance while meeting requirements of ultra-thinness and a wide angle.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: June 21, 2022
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventors: Mengke Tan, Xuqi Bian
  • Patent number: 11340426
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a negative refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 5.00?f4/f2?10.00; and 7.50?f3/f5?50.00, where f2 denotes a focal length of the second lens; f3 denotes a focal length of the third lens; f4 denotes a focal length of the fourth lens; and f5 denotes a focal length of the fifth lens.
    Type: Grant
    Filed: December 7, 2019
    Date of Patent: May 24, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Wen Sun
  • Patent number: 11333854
    Abstract: The present disclosure provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a negative refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 9.00?f3/f?30.00; and 2.90?v1/v2?5.00, where f denotes a focal length of the camera optical lens; f3 denotes a focal length of the third lens; v1 denotes an abbe number of the first lens; and v2 denotes an abbe number of the second lens.
    Type: Grant
    Filed: December 7, 2019
    Date of Patent: May 17, 2022
    Assignee: AAC Options Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Jia Chen
  • Patent number: 11314059
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; and a seventh lens. The camera optical lens satisfies following conditions: 1.51?f1/f?2.50, 1.70?n1?2.20, ?2.00?f3/f4?0.00; 3.00?(R13+R14)/(R13?R14)?10.00; and 1.70?n2?2.20. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 26, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Lei Zhang
  • Publication number: 20220099937
    Abstract: The present disclosure discloses a camera optical lens, which includes, from an object-side to an-image side: a first lens having a positive refractive power, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eight lens, which satisfies following conditions: 0.95?f/TTL; ?4.00?f2/f??1.90; and ?15.00?(R7+R8)/(R7?R8)??2.50; where TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optic axis; f denotes a focal length of the camera optical lens; f2 denotes a focal length of the second lens; R7 denotes a curvature radius of an object-side surface of the fourth lens; R8 denotes a curvature radius of an image-side surface of the fourth lens. The camera optical lens can achieve good optical performance while meeting the design requirement for long focal length and ultra-thinness.
    Type: Application
    Filed: December 30, 2020
    Publication date: March 31, 2022
    Inventor: Xuqi Bian
  • Publication number: 20220075151
    Abstract: A camera optical lens is provided. The camera optical lens includes, from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens. The camera optical lens satisfies following conditions: 3.50?f1/f?6.50; and 3.00?d13/d14?15.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d13 denotes an on-axis thickness of the seventh lens, and d14 denotes an on-axis distance from an image side surface of the seventh lens to an object side surface of the eighth lens. The camera optical leans according to the present disclosure has good optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Application
    Filed: December 28, 2020
    Publication date: March 10, 2022
    Inventor: Xuqi Bian
  • Publication number: 20220035129
    Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power, and satisfies: 0.65?f1/f?0.85; ?0.90?f2/f??0.60; 1.00?f3/f?1.20; ?8.00?(R5+R6)/(R5?R6)??2.50; 2.50?d5/d4?4.50; and 1.55?n2?1.70, where f, f1, f2, and f3 respectively denote focal lengths of the camera optical lens, the first lens, the second lens, and the third lens; R5 and R6 respectively denote central curvature radii of object side and image side surfaces of the third lens; d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens; d5 denotes an on-axis thickness of the third lens; and n2 denotes a refractive index of the second lens, thereby achieving good optical performance while meeting requirements of ultra-thinness and a wide angle.
    Type: Application
    Filed: December 25, 2020
    Publication date: February 3, 2022
    Inventors: Mengke Tan, Xuqi Bian
  • Publication number: 20220026678
    Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power, and satisfies: 2.10?f1/f?4.00; 1.00?d4/d6?3.00; 0.20?d8/d9?0.90, and where f and f1 respectively denote focal lengths of the camera optical lens and the first lens; d4 denotes an on-axis distance between the second lens and the third lens; d6 denotes an on-axis distance between the third lens and the fourth lens; d8 denotes an on-axis distance between the fourth lens and the fifth lens; and d9 denotes an on-axis thickness of the fifth lens, thereby achieving good optical performance while satisfying design requirements for ultra-thinness, a wide angle and a large aperture.
    Type: Application
    Filed: December 25, 2020
    Publication date: January 27, 2022
    Inventor: Xuqi Bian
  • Patent number: 11209619
    Abstract: Provided is a camera optical lens including, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power. The camera optical lens satisfies: ?0.80?f1/f?1.10; 0.30?d3/d5?1.00; ?20.00?(R5+R6)/(R5?R6)??10.00; 5.00?R2/f?50.00; and ?10.00?(R3+R4)/(R3?R4)??4.00, where f and f2 denote focal lengths of the camera optical lens and the first lens, respectively; R2, R4 and R6 denote curvature radiuses of image side surfaces of the first, second and third lenses, respectively; R3 and R5 denote curvature radiuses of object side surfaces of the second and third lenses, respectively; d3 denotes an on-axis thickness of the second lens; and d5 denotes an on-axis thickness of the third lens. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: December 28, 2021
    Assignee: AAC Optrics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Jia Chen
  • Patent number: 11209628
    Abstract: The present disclosure relates to optical lens, comprising from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the camera optical lens satisfies following conditions: 1.00?f1/f?1.50; 1.70?n4?2.20; ?2.00?f3/f4?2.00; 0.50?(R13+R14)/(R13?R14)?10.00; and 1.70?n7?2.20; where, f denotes a focus length of the camera optical lens; f1, f3 and f4 denote focus lengths of the first lens, the third lens and the fourth length respectively; n4 denotes a refractive index of the fourth lens; n7 denotes a refractive index of the seventh lens; R13 and R14 denote curvature radiuses of an object side surface and an image side surface of the seventh lens, respectively.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: December 28, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Xuqi Bian, Lei Zhang
  • Patent number: 11163137
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens satisfying following conditions: 10.00<f4/f<31.00; 2.80<v3/v2<4.00; 1.60<n4<2.10; and 5.00<d5/d6<21.00; where f denotes a focal length of the camera optical lens; f4 denotes a focal length of the third lens; v2 denotes an abbe number of the first lens; v3 denotes an abbe number of the second lens; n4 denotes a refractive index of the d line of the third lens; d5 denotes an on-axis thickness of the second lens, and d6 denotes an on-axis distance from the image-side surface of the second lens to the object-side surface of the third lens. The camera optical lens in the present disclosure satisfies a design requirement of wide angle, large aperture and fingerprint recognition while having good optical performance.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: November 2, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Xuqi Bian
  • Publication number: 20210294076
    Abstract: A camera optical lens includes first to fifth lenses. The camera optical lens satisfies: 1.50?(R5+R6)/(R5?R6); 0.40?d4/d6?1.25; 1.00?TTL/IH?1.30; and 1.00?(R3+R4)/(R3?R4)?2.40, where R3 and R4 denote curvature radiuses of an object side surface and an image side surface of the second lens, respectively; R5 and R6 denote curvature radiuses of an object side surface and an image side surface of the third lens, respectively; d4 denotes an on-axis distance from the image side surface of the second lens to the object side surface of the third lens; d6 denotes an on-axis distance from the image side surface of the third lens to an object side surface of the fourth lens; IH denotes an image height of the camera optical lens; and TTL denotes a total optical length. The camera optical lens has good optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Application
    Filed: December 22, 2020
    Publication date: September 23, 2021
    Inventor: Xuqi Bian
  • Publication number: 20210048620
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens satisfying following conditions: 10.00<f4/f<31.00; 2.80<v3/v2<4.00; 1.60<n4<2.10; and 5.00<d5/d6<21.00; where f denotes a focal length of the camera optical lens; f4 denotes a focal length of the third lens; v2 denotes an abbe number of the first lens; v3 denotes an abbe number of the second lens; n4 denotes a refractive index of the d line of the third lens; d5 denotes an on-axis thickness of the second lens, and d6 denotes an on-axis distance from the image-side surface of the second lens to the object-side surface of the third lens. The camera optical lens in the present disclosure satisfies a design requirement of wide angle, large aperture and fingerprint recognition while having good optical performance.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventor: Xuqi Bian