Patents by Inventor Yi Ji

Yi Ji 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: 10739563
    Abstract: The present disclosure relates to the field of optical lenses and provides a 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; the camera optical lens satisfies following conditions: 0.5?f1/f?10, 1.7?n3?2.2, and 0.01?d5/TTL?0.2, Fno?2.06; where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; n3 denotes a refractive index of the third lens, and d5 denotes a thickness on-axis of the third lens, Fno denotes an aperture F number of the camera optical lens, TTL denotes a total optical length of the camera optical lens. The present disclosure can achieve high optical performance while achieving ultra-thin, wide-angle lenses having a big aperture.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 11, 2020
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200241175
    Abstract: The present disclosure relates to the field of optical lenses and provides a wide-angle lens. The wide-angle 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 negative refractive power, a fourth lens, a fifth lens and a sixth lens. The wide-angle lens satisfies following conditions: 10.00R5/d530.00; 15.00R9/d950.00; ?20.00(R1+R2)/(R1?R2)?1.00; and 2.75d1/d35.00. The wide-angle lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 13, 2019
    Publication date: July 30, 2020
    Inventors: Hiroyuki Teraoka, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200209573
    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 having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 1.00?f1/f2?3.00; and 2.00?(R1+R2)/(R1?R2)?15.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 10, 2019
    Publication date: July 2, 2020
    Inventors: Kaoru Yamazaki, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200209576
    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 having a positive refractive power; a second lens having a negative 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 following conditions: 3.00?f2/f3?4.00; and 3.00?d1/d3?5.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 10, 2019
    Publication date: July 2, 2020
    Inventors: Qing Zhao, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200209587
    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 having a negative 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 following conditions: ?3.00?f1/f2??1.00; and ?30.00?R3/R4??2.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 11, 2019
    Publication date: July 2, 2020
    Inventors: Jianming Wang, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200209588
    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 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 following conditions: ?10.00?f1/f3??1.00; 3.00?R5/R6?20.00; and 100?(R3+R4)/(R3?R4). The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Application
    Filed: November 11, 2019
    Publication date: July 2, 2020
    Inventors: Jianming Wang, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10656379
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 19, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10649182
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: November 18, 2018
    Date of Patent: May 12, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Takaaki Teranishi, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10641992
    Abstract: The present disclosure relates to optical lens, in particular to a camera optical lens. The camera optical lens includes, in an order 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 first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, the sixth lens is made of plastic material, and the seventh lens is made of plastic material. The camera optical lens satisfies the following conditions: 1?f1/f?1.5; 1.7?n2?2.2; ?2?f3/f4?2; 0.5?(R13+R14)/(R13?R14)?10; and 1.7?n4?2.2. The camera optical lens can obtain high imaging performance and a low TTL (Total Track Length).
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: May 5, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Chenxiyang Chen, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10613293
    Abstract: The present disclosure discloses a camera optical lens, including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of glass material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: April 7, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10598897
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, 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 first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of glass material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 24, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200057258
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: November 18, 2018
    Publication date: February 20, 2020
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200057259
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: November 18, 2018
    Publication date: February 20, 2020
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20200057260
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: November 18, 2018
    Publication date: February 20, 2020
    Inventors: Takaaki Teranishi, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10554911
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: February 4, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10473897
    Abstract: The present invention includes a camera optical lens. The camera optical lens including, in an order 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 further satisfies specific conditions.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: November 12, 2019
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Setsu Sato, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20190335121
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 31, 2019
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20190331883
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 31, 2019
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20190331895
    Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, 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 first lens is made of glass material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: August 8, 2018
    Publication date: October 31, 2019
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji
  • Publication number: 20190285857
    Abstract: The present disclosure discloses a camera optical lens, including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Application
    Filed: July 19, 2018
    Publication date: September 19, 2019
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yi Ji