Patents by Inventor Jiekang Chen

Jiekang Chen 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: 12124109
    Abstract: The present invention discloses a camera optical lens including, from an object side to an image side in sequence, a first lens having a negative refractive power, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. The camera optical lens satisfies the following conditions: 100.00°?FOV?135.00°, ?8.00?f3/f4??0.50, and 0.60?d8/d10?4.50. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: October 22, 2024
    Assignee: AAC Optics (Suzhou) Co., Ltd.
    Inventor: Jiekang Chen
  • Patent number: 12000987
    Abstract: The present disclosure relates to an optical lens and discloses a camera optical lens. The camera optical lens includes nine lenses, and the nine lenses from an object side to an image side are: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens. The second lens has a positive refractive power, and the camera optical lens satisfies: ?5.50?f1/f??2.00; 3.00?d15/d16?15.00; wherein, f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d15 denotes an on-axis thickness of the eighth lens, and d16 denotes an on-axis distance from an image-side surface of the eighth lens to an object-side surface of the ninth lens. The camera optical lens has good optical performance, and meets the design requirements of large apertures, and ultra-thin.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: June 4, 2024
    Assignee: Raytech Optical (Changzhou) Co., Ltd.
    Inventor: Jiekang Chen
  • Patent number: 11835689
    Abstract: Disclosed is a camera optical lens, comprising, from an object side to an image side in sequence: 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 negative refractive pwer; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power; wherein, the camera optical lens satisfies: ?2.50?f2/f??1.20; 3.50?(R5+R6)/(R5?R6)?12.00; 4.00?R10/R9; and 0.50?d5/d6?1.20; where, f denotes a focus length of the camera optical lens; f2 denotes a focus length of the second lens; R5 and R6 denote central curvature radii of an object side surface and an image side of the third lens; R9 and R10 denotes central curvature radii of an object side surface and an image side of the fifth lens.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: December 5, 2023
    Assignee: Raytech Optical (Changzhou) Co., Ltd.
    Inventor: Jiekang Chen
  • Patent number: 11693218
    Abstract: The present disclosure relates to optical lens, and provides a camera optical lens including eight lenses, from an object side to an image side in sequence: 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 negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, a seventh lens, and an eighth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.95?f/TTL; ?4.00?f2/f??1.80; and ?20.00?(R15+R16)/(R15?R16)??3.00. The camera optical lens can achieve good optical performance while meeting design requirements for a 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: Jiekang Chen
  • Patent number: 11567297
    Abstract: The present disclosure relates to a camera optical lens satisfying following conditions: 3.00?f2/f?5.00, 13.00?d5/d6?25.00, 3.00?(R5+R6)/(R5?R6)?10.00, and 5.00?R3/R4?50.00; where f denotes an overall focal length of the camera optical lens, f2 denotes a focal length of a second lens, d5 denotes an on-axis thickness of a third lens, d6 denotes an on-axis distance from an image-side surface of the third lens to an object-side surface of a fourth lens, R5 and R6 respectively denote a curvature radius of an object-side surface and the image-side surface of the third lens, and R3 and R4 respectively denote a curvature radius of an object-side surface and an image-side surface of the second lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture and wide angle while having good optical functions.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: January 31, 2023
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Jiekang Chen
  • Patent number: 11480773
    Abstract: The present disclosure provides a camera optical lens satisfying following conditions: ?0.50?f1/f2??0.3; 50.00?f3/f?75.0; ?2.40?(f2+f5)/f??2.00; 0.70?(R3+R4)/(R3?R4)?0.95; 1.30?(R7+R8)/(R7?R8)?1.60; and 0.40?(R9+R10)/(R9?R10)?0.75; where f denotes a focal length of the camera optical lens; f1, f2, f3 and f5 respectively denote a focal length of a first, second, third and fifth lenses; R3 and R4 respectively denote a curvature radius of an object-side surface and an image-side surface of the second lens; R7 and R8 respectively denote a curvature radius of an object-side surface and an image-side surface of a fourth lens; and R9 and R10 respectively denote a curvature radius of an object-side surface and an image-side surface of the fifth lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture, wide angle and ultra-thinness while having good optical performance.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: October 25, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Jiekang Chen, Hiroyuki Teraoka
  • Publication number: 20220206256
    Abstract: The present invention discloses a camera optical lens including, from an object side to an image side in sequence, a first lens having a negative refractive power, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. The camera optical lens satisfies the following conditions: 100.00°?FOV?135.00°, ?8.00?f3/f4??0.50, and 0.60?d8/d10?4.50. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 30, 2022
    Inventor: Jiekang Chen
  • Patent number: 11353683
    Abstract: The present invention relates to the technical field of optical lens and discloses a camera optical lens. The 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, a third lens having a positive refractive power, and a fourth lens having a negative refractive power. The camera optical lens satisfies following conditions: ?3.50?f2/f??1.50; 3.00?(R3+R4)/(R3?R4)?8.00; 8.00?d1/d2?15.00; 0.50?f3/f?0.75; ?5.00?R2/R1??2.50; ?0.70?f4/f??0.40. The camera optical lens can achieve excellent optical characteristics with a large aperture, wide-angle, and being ultra-thin.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: June 7, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Jiekang Chen
  • Publication number: 20220113507
    Abstract: The present disclosure relates to optical lens, and provides a camera optical lens including eight lenses, from an object side to an image side in sequence: 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 negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, a seventh lens, and an eighth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.95?f/TTL; ?4.00?f2/f??1.80; and ?20.00?(R15+R16)/(R15?R16)??3.00. The camera optical lens can achieve good optical performance while meeting design requirements for a long focal length and ultra-thinness.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 14, 2022
    Inventor: Jiekang Chen
  • Publication number: 20220113511
    Abstract: The present disclosure relates to an optical lens and discloses a camera optical lens. The camera optical lens includes nine lenses, and the nine lenses from an object side to an image side are: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and an ninth lens. The second lens has a positive refractive power, and the camera optical lens satisfies: ?5.50?f1/f??2.00; 3.00?d15/d16?15.00; wherein, f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d15 denotes an on-axis thickness of the eighth lens, and d16 denotes an on-axis distance from an image-side surface of the eighth lens to an object-side surface of the ninth lens. The camera optical lens has good optical performance, and meets the design requirements of large apertures, and ultra-thin.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 14, 2022
    Inventor: Jiekang Chen
  • Publication number: 20220091386
    Abstract: Disclosed is a camera optical lens, comprising, from an object side to an image side in sequence: 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 negative refractive pwer; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power; wherein, the camera optical lens satisfies: ?2.50?f2/f??1.20; 3.50?(R5+R6)/(R5?R6)?12.00; 4.00?R10/R9; and 0.50?d5/d6?1.20; where, f denotes a focus length of the camera optical lens; f2 denotes a focus length of the second lens; R5 and R6 denote central curvature radii of an object side surface and an image side of the third lens; R9 and R10 denotes central curvature radii of an object side surface and an image side of the fifth lens.
    Type: Application
    Filed: December 30, 2020
    Publication date: March 24, 2022
    Inventor: Jiekang Chen
  • Publication number: 20220082801
    Abstract: A camera optical lens is provided and includes nine lens, which are a first lens to a ninth lens from an object side to an image side. Each of the first lens, the second lens, the fourth lens, the seventh lens and the eighth lens has a positive refractive power, and each of the third lens, the fifth lens, the sixth lens and the ninth lens has a negative refractive power. The camera optical lens satisfies: 1.70?f1/f?3.00, and 2.50?d7/d8?12.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d7 denotes an on-axis thickness of the fourth lens, and d8 denotes an on-axis distance from an image side surface of the fourth lens to an object side surface of the fifth lens. The camera optical leans has better optical performance while achieving ultra-thin, wide-angle lenses with large apertures.
    Type: Application
    Filed: December 28, 2020
    Publication date: March 17, 2022
    Inventor: Jiekang Chen
  • Patent number: 11194130
    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 made of a plastic material; a second lens made of a plastic material; a third lens made of a plastic material; a fourth lens made of a plastic material; a fifth lens made of a glass material; a sixth lens made of a plastic material; and a seventh lens made of a plastic material. The camera optical lens satisfies following conditions: 1.51f1/f2.50; 1.70n52.20; ?2.00f3/f42.00; ?10.00(R13+R14)/(R13?R14)10.00; and 0.01d9/TTL0.20. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: December 7, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Jiekang Chen, Lei Zhang, Yanmei Wang, Yang Zhang
  • Patent number: 11106007
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The 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 having a negative refractive power, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies the following conditions: 5.00?f1/f?10.00 and 20.00?R3/d3??5.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; R3 denotes a curvature radius of an object-side surface of the second lens; d3 denotes an on-axis thickness of the second lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 31, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Jiekang Chen, Lei Zhang
  • Publication number: 20210263269
    Abstract: The present invention relates to the technical field of optical lens and discloses a camera optical lens. The 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, a third lens having a positive refractive power, and a fourth lens having a negative refractive power. The camera optical lens satisfies following conditions: ?3.50?f2/f??1.50; 3.00?(R3+R4)/(R3?R4)?8.00; 8.00?d1/d2?15.00; 0.50?f3/f?0.75; ?5.00?R2/R1??2.50; ?0.70?f4/f??0.40. The camera optical lens can achieve excellent optical characteristics with a large aperture, wide-angle, and being ultra-thin.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 26, 2021
    Inventor: Jiekang Chen
  • Publication number: 20210048642
    Abstract: The present disclosure provides a camera optical lens satisfying following conditions: ?0.50?f1/f2??0.3; 50.00?f3/f?75.0; ?2.40?(f2+f5)/f??2.00; 0.70?(R3+R4)/(R3?R4)?0.95; 1.30?(R7+R8)/(R7?R8)?1.60; and 0.40?(R9+R10)/(R9?R10)?0.75; where f denotes a focal length of the camera optical lens; f1, f2, f3 and f5 respectively denote a focal length of a first, second, third and fifth lenses; R3 and R4 respectively denote a curvature radius of an object-side surface and an image-side surface of the second lens; R7 and R8 respectively denote a curvature radius of an object-side surface and an image-side surface of a fourth lens; and R9 and R10 respectively denote a curvature radius of an object-side surface and an image-side surface of the fifth lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture, wide angle and ultra-thinness while having good optical performance.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: Jiekang Chen, Hiroyuki Teraoka
  • Publication number: 20210048615
    Abstract: The present disclosure relates to a camera optical lens satisfying following conditions: 3.00?f2/f?5.00, 13.00?d5/d6?25.00, 3.00?(R5+R6)/(R5?R6)?10.00, and 5.00?R3/R4?50.00; where f denotes an overall focal length of the camera optical lens, f2 denotes a focal length of a second lens, d5 denotes an on-axis thickness of a third lens, d6 denotes an on-axis distance from an image-side surface of the third lens to an object-side surface of a fourth lens, R5 and R6 respectively denote a curvature radius of an object-side surface and the image-side surface of the third lens, and R3 and R4 respectively denote a curvature radius of an object-side surface and an image-side surface of the second lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture and wide angle while having good optical functions.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventor: Jiekang Chen
  • Publication number: 20200409075
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The 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 having a negative refractive power, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies the following conditions: 5.00?f1/f?10.00 and 20.00?R3/d3??5.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; R3 denotes a curvature radius of an object-side surface of the second lens; d3 denotes an on-axis thickness of the second lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 31, 2020
    Inventors: Jiekang Chen, Lei Zhang
  • Publication number: 20200209558
    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 made of a plastic material; a second lens made of a plastic material; a third lens made of a plastic material; a fourth lens made of a plastic material; a fifth lens made of a glass material; a sixth lens made of a plastic material; and a seventh lens made of a plastic material. The camera optical lens satisfies following conditions: 1.51f1/f2.50; 1.70n52.20; ?2.00f3/f42.00; ?10.00(R13+R14)/(R13?R14)10.00; and 0.01d9/TTL0.20. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 6, 2019
    Publication date: July 2, 2020
    Inventors: Jiekang Chen, Lei Zhang, Yanmei Wang, Yang Zhang