Patents by Inventor Wanxia Li

Wanxia Li 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: 11966025
    Abstract: Disclosed is a camera optical lens, including nine lenses, and the nine lenses from an object side to an image side are: a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, a fifth lens with a positive refractive power, a sixth lens with a positive refractive power, a seventh lens with a negative refractive power, an eighth lens with a positive refractive power and an ninth lens with a negative refractive power. The camera optical lens satisfies: ?5.00?f1/f??2.00; 2.50?d13/d14?10.00. The camera optical lens has good optical performance, and meets the design requirements of a large aperture, wide-angle and ultra-thin.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 23, 2024
    Assignee: Raytech Optical (Changzhou) Co., Ltd
    Inventor: Wanxia Li
  • Patent number: 11892599
    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 negative 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: 0.70?f1/f?1.90; and 2.00?d5/d6?9.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d5 denotes an on-axis thickness of the third 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. The camera optical lens according to the present disclosure meets design requirements for large aperture, wide angle and ultra-thinness while achieving good optical performance.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: February 6, 2024
    Assignee: Changzhou Raytech Optronics Co., Ltd.
    Inventor: Wanxia Li
  • Patent number: 11803036
    Abstract: A camera optical lens includes first to sixth lenses from object side to image side, with first, third and sixth lenses having negative refractive power and second and fourth lenses having positive refractive power, and satisfies: ?3.00?f1/f??1.50; 1.50?d4/d6?4.00; and R7/R8??8.00, where f and f1 denotes respectively focal lengths of the camera optical lens and the first 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, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d6 denotes an on-axis distance from an image side surface of the third lens to the object side surface of the fourth lens, thereby meeting requirements of a large aperture, a wide angle, and ultra-thinness while having good optical performance.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: October 31, 2023
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventor: Wanxia Li
  • Patent number: 11782236
    Abstract: Provided is a camera optical lens, which includes a first lens having a negative refractive power, a second lens having a positive 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, and a sixth lens having a negative refractive power. The camera optical lens satisfies ?10.00?f1/f??4.00, 0.40?f5/f?0.70, and 8.00?d5/d6?15.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f5 denotes a focal length of the fifth lens; d5 denotes an on-axis thickness of the third 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. The camera optical lens has good optical performance and satisfies design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: October 10, 2023
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventors: Wanxia Li, Li Liu
  • Patent number: 11714262
    Abstract: A camera optical lens includes first to fifth lenses from an object side to an image side, which are first and fourth lenses having positive refractive power, and second, third and fifth lenses having negative refractive power. The camera optical lens satisfies 0.90?f1/f?1.30; ?5.00?f3/f??2.50; 10.00?d1/d2?25.00; and 0?(R7+R8)/(R7?R8)?0.90, where f, f1 and f3 respectively denote focal lengths of the camera optical lens, the first lens, and the third 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, d1 denotes an on-axis thickness of the first lens, and d2 denotes an on-axis distance from an image side surface of the first lens to an object side surface of the second lens. The camera optical lens has good optical performance and satisfies design requirements of a large angle, a wide angle and ultra-thinness.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: August 1, 2023
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventors: Dong Yu, Wanxia Li, Yanan Wang
  • Patent number: 11693219
    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 positive refractive power, a fifth lens having a positive refractive power, a sixth lens having a negative refractive power, a seventh lens having a positive refractive power, and an eighth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.95?f/TTL; ?4.50?f2/f??1.90; and 0.30?(R13+R14)/(R13?R14)?1.00. The camera optical lens can achieve good optical performance while meeting design requirements for both 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: Wanxia Li
  • Patent number: 11480772
    Abstract: The present disclosure provides a camera optical lens satisfying following conditions: ?0.35?f1/f2??0.25; 1.20?(f1+f4)/f?1.30; 0.18?d1/f?0.22; 2.80?R3/f?3.50; and ?0.28?(R9+R10)/(R9?R10)??0.24, where f denotes a focal length of the camera optical lens; f1, f2 and f4 respectively denote a focal length of a first, second and third lenses; d1 denotes an on-axis thickness of the first lens; R3 and R9 respectively denote a curvature radius of an object-side surface of the second and fifth lenses; and R10 denotes a curvature radius of an image-side surface of the fifth lens. The camera optical lens has a good optical performance and further meets the design requirements of wide angle and ultra-thinness.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: October 25, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Wanxia Li, Hiroyuki Teraoka
  • Patent number: 11480759
    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 negative refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 0.75?f1/f?0.86; ?0.30?f1/f2??0.20; 1.30?(f1+f4)/f?1.50; ?22.00?(f2+f3+f5)/f??9.00; and 0.05?d8/f?0.08, where f denotes a focal length of the camera optical lens; f1, f2, f3, f4 and f5 denote focal lengths of the first, second, third, fourth, and fifth lenses, respectively; 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 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: October 25, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Wanxia Li, Yutong Guo, Hiroyuki Teraoka
  • Patent number: 11467380
    Abstract: The present invention relates to the technical field of optical lens and discloses a camera optical lens satisfying the following conditions: ?1.00?(f1+f2)/f??0.10, 12.00?d3/d4?20.00, 5.00?R5/d5?11.00, 8.00?d7/d8?14.00; where f1 and f2 respectively denote a focal length of a first and second lenses, d3, d5 and d7 respectively denote an on-axis thickness of the second, third and fourth lenses, d4 denotes an on-axis distance from an image-side surface of the second lens to an object-side surface of the third lens, d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens, and R5 denotes a curvature radius of the object-side surface of the third lens. The camera optical lens has good optical functions and satisfies a design requirement of wide angle and ultra-thinness.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: October 11, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Wanxia Li
  • Publication number: 20220113509
    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 positive refractive power, a fifth lens having a positive refractive power, a sixth lens having a negative refractive power, a seventh lens having a positive refractive power, and an eighth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.95?f/TTL; ?4.50?f2/f??1.90; and 0.30?(R13+R14)/(R13?R14)?1.00. The camera optical lens can achieve good optical performance while meeting design requirements for both a long focal length and ultra-thinness.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 14, 2022
    Inventor: Wanxia Li
  • Publication number: 20220113512
    Abstract: Disclosed is a camera optical lens, including nine lenses, and the nine lenses from an object side to an image side are: a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, a fifth lens with a positive refractive power, a sixth lens with a positive refractive power, a seventh lens with a negative refractive power, an eighth lens with a positive refractive power and an ninth lens with a negative refractive power. The camera optical lens satisfies: ?5.00?f1/f??2.00; 2.50?d13/d14?10.00. The camera optical lens has good optical performance, and meets the design requirements of a large aperture, wide-angle and ultra-thin.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 14, 2022
    Inventor: Wanxia Li
  • Publication number: 20220107481
    Abstract: Provided is a camera optical lens, which includes a first lens having a negative refractive power, a second lens having a positive 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, and a sixth lens having a negative refractive power. The camera optical lens satisfies ?10.00?f1/f??4.00, 0.40?f5/f?0.70, and 8.00?d5/d6?15.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f5 denotes a focal length of the fifth lens; d5 denotes an on-axis thickness of the third 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. The camera optical lens has good optical performance and satisfies design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 7, 2022
    Inventors: Wanxia Li, Li Liu
  • Publication number: 20220075145
    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 negative 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: 0.70?f1/f?1.90; and 2.00?d5/d6?9.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d5 denotes an on-axis thickness of the third 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. The camera optical lens according to the present disclosure meets design requirements for large aperture, wide angle and ultra-thinness while achieving good optical performance.
    Type: Application
    Filed: December 25, 2020
    Publication date: March 10, 2022
    Inventor: Wanxia Li
  • Publication number: 20220019058
    Abstract: A camera optical lens includes first to fifth lenses from an object side to an image side, which are first and fourth lenses having positive refractive power, and second, third and fifth lenses having negative refractive power. The camera optical lens satisfies 0.90?f1/f?1.30; ?5.00?f3/f??2.50; 10.00?d1/d2?25.00; and 0?(R7+R8)/(R7?R8)?0.90, where f, f1 and f3 respectively denote focal lengths of the camera optical lens, the first lens, and the third 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, d1 denotes an on-axis thickness of the first lens, and d2 denotes an on-axis distance from an image side surface of the first lens to an object side surface of the second lens. The camera optical lens has good optical performance and satisfies design requirements of a large angle, a wide angle and ultra-thinness.
    Type: Application
    Filed: December 28, 2020
    Publication date: January 20, 2022
    Inventors: Dong Yu, Wanxia Li, Yanan Wang
  • Publication number: 20220011548
    Abstract: A camera optical lens includes first to sixth lenses from object side to image side, with first, third and sixth lenses having negative refractive power and second and fourth lenses having positive refractive power, and satisfies: ?3.00?f1/f??1.50; 1.50?d4/d6?4.00; and R7/R8??8.00, where f and f1 denotes respectively focal lengths of the camera optical lens and the first 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, d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens, and d6 denotes an on-axis distance from an image side surface of the third lens to the object side surface of the fourth lens, thereby meeting requirements of a large aperture, a wide angle, and ultra-thinness while having good optical performance.
    Type: Application
    Filed: December 23, 2020
    Publication date: January 13, 2022
    Inventor: Wanxia Li
  • Patent number: 11137578
    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 glass material; a fifth lens made of a plastic 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: 1.51?f1/f?2.50; 1.70?n4?2.20; 2.00?f3/f4?2.00; 0.00?(R13+R14)/(R13?R14)?10.00; and 0.01?d7/TTL?0.20. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: October 5, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Wanxia Li, Lei Zhang, Yanmei Wang, Yang Zhang
  • Publication number: 20210055522
    Abstract: The present disclosure provides a camera optical lens satisfying following conditions: ?0.35?f1/f2??0.25; 1.20?(f1+f4)/f?1.30; 0.18?d1/f?0.22; 2.80?R3/f?3.50; and ?0.28?(R9+R10)/(R9?R10)??0.24, where f denotes a focal length of the camera optical lens; f1, f2 and f4 respectively denote a focal length of a first, second and third lenses; d1 denotes an on-axis thickness of the first lens; R3 and R9 respectively denote a curvature radius of an object-side surface of the second and fifth lenses; and R10 denotes a curvature radius of an image-side surface of the fifth lens. The camera optical lens has a good optical performance and further meets the design requirements of wide angle and ultra-thinness.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 25, 2021
    Inventors: Wanxia Li, Hiroyuki Teraoka
  • Publication number: 20210048641
    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 negative refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 0.75?f1/f?0.86; ?0.30?f1/f2??0.20; 1.30?(f1+f4)/f?1.50; ?22.00?(f2+f3+f5)/f??9.00; and 0.05?d8/f?0.08, where f denotes a focal length of the camera optical lens; f1, f2, f3, f4 and f5 denote focal lengths of the first, second, third, fourth, and fifth lenses, respectively; 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 lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: Wanxia Li, Yutong Guo, Hiroyuki Teraoka
  • Publication number: 20210048639
    Abstract: The present invention relates to the technical field of optical lens and discloses a camera optical lens satisfying the following conditions: ?1.00?(f1+f2)/f??0.10, 12.00?d3/d4?20.00, 5.00?R5/d5?11.00, 8.00?d7/d8?14.00; where f1 and f2 respectively denote a focal length of a first and second lenses, d3, d5 and d7 respectively denote an on-axis thickness of the second, third and fourth lenses, d4 denotes an on-axis distance from an image-side surface of the second lens to an object-side surface of the third lens, d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens, and R5 denotes a curvature radius of the object-side surface of the third lens. The camera optical lens has good optical functions and satisfies a design requirement of wide angle and ultra-thinness.
    Type: Application
    Filed: August 11, 2020
    Publication date: February 18, 2021
    Inventor: Wanxia Li
  • Publication number: 20200209557
    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 glass material; a fifth lens made of a plastic 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: 1.51?f1/f?2.50; 1.70?n4?2.20; 2.00?f3/f4?2.00; 0.00?(R13+R14)/(R13?R14)?10.00; and 0.01?d7/TTL?0.20. 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: Wanxia Li, Lei Zhang, Yanmei Wang, Yang Zhang