Patents Assigned to OPTICS, CO., LTD
  • Patent number: 11988816
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of wide field of view, low-profileness and low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens, a fourth lens being a double-sided aspheric lens, a fifth lens, a sixth lens having an image-side surface being concave in a paraxial region, and a seventh lens with negative refractive power having an image-side surface being concave in a paraxial region, wherein the image-side surface of the seventh lens is an aspheric surface having at least one pole point in a position off the optical axis, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Koji Nitta
  • Patent number: 11988815
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power being formed in a meniscus shape having an object-side surface being convex in a paraxial region, a second lens with positive refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive refractive power in a paraxial region, a fifth lens having aspheric surfaces on both sides, and a sixth lens with negative refractive power having an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Huang Zhiyu
  • Patent number: 11988820
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive or negative refractive power, a fourth lens with negative refractive power, a fifth lens with positive refractive power, and a sixth lens with negative refractive power, wherein said first lens is formed in a meniscus shape having an object-side surface being convex in a paraxial region, said second lens has an object-side surface being convex in a paraxial region, said sixth lens has an image-side surface being concave in a paraxial region, and the predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Yukio Sekine, Koki Tokuno, Zhiyu Huang
  • Patent number: 11988814
    Abstract: The present disclosure discloses a camera lens group including, sequentially from an object side to an image side along an optical axis, a stop; a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having positive refractive power; and a seventh lens having negative refractive power. An aperture number Fno of the camera lens group satisfies: Fno?1.53. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the camera lens group and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the camera lens group satisfy: TTL/ImgH?1.31.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: May 21, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Xue Gao, Jianke Wenren, Fujian Dai, Liefeng Zhao
  • Patent number: 11988813
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power being formed in a meniscus shape having an object-side surface being convex in a paraxial region, a second lens with positive refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive refractive power in a paraxial region, a fifth lens having aspheric surfaces on both sides, and a sixth lens with negative refractive power having an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Huang Zhiyu
  • Patent number: 11982792
    Abstract: The present disclosure discloses a camera lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having refractive power; a second lens having positive refractive power and a convex image-side surface; a third lens having negative refractive power, a convex object-side surface and a concave image-side surface; a fourth lens having negative refractive power; a fifth lens having refractive power and a convex image-side surface; and a sixth lens having refractive power, a convex object-side surface and a concave image-side surface. Half of a maximum field-of-view Semi-FOV of the camera lens assembly and a combined focal length f23 of the second lens and the third lens satisfy: 4.00 mm<tan2(Semi-FOV)*f23<10.00 mm.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 14, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Yang Li, Haidong Xiao, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
  • Patent number: 11982872
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side: a first lens with positive refractive power formed in a biconvex shape having an object-side surface being convex in a paraxial region; a second lens with negative refractive power having an object-side surface being convex in a paraxial region; a third lens with positive refractive power having an image-side surface being concave in a paraxial region; a fourth lens with positive refractive power in a paraxial region; and a fifth lens with negative refractive power having an object-side surface being concave in a paraxial region; and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: May 14, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Kenichi Kamada
  • Patent number: 11982873
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of low-profileness and low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive or negative refractive power having an object-side surface being convex in a paraxial region, a fifth lens with positive or negative refractive power in a paraxial region, and a sixth lens with positive or negative refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: May 14, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Kenichi Kamada, Masaya Hashimoto
  • Patent number: 11982874
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of low-profileness and low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive or negative refractive power having an object-side surface being convex in a paraxial region, a fifth lens with positive or negative refractive power in a paraxial region, and a sixth lens with positive or negative refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: May 14, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventors: Kenichi Kamada, Masaya Hashimoto
  • Publication number: 20240151943
    Abstract: The present disclosure discloses an optical imaging system. The optical imaging system comprises a lens barrel, and a lens group and at least one spacing element accommodated in the lens barrel. The lens group comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens that are arranged in sequence along an optical axis from an object side to an image side. Here, the sixth lens has a negative refractive power. The at least one spacing element comprises a fifth spacing element that is located between the fifth lens and the sixth lens and is in contact with an image-side surface of the fifth lens.
    Type: Application
    Filed: April 20, 2023
    Publication date: May 9, 2024
    Applicant: Zhejiang Sunny Optics Co., Ltd
    Inventors: Rui ZHANG, Jiadong ZHU, Fujian DAI, Liefeng ZHAO
  • Publication number: 20240151940
    Abstract: A lens optical system includes a first lens group having a positive refractive power, a second lens group consisting of two or less lenses and having a positive refractive power, and a third lens group having a negative refractive power. The second lens group is configured to perform a focusing operation to correct a change in an image distance dependent on a change in an object distance, and the first lens group and the third lens group are fixed and the overall length of the lens optical system does not change during the focusing operation.
    Type: Application
    Filed: October 25, 2022
    Publication date: May 9, 2024
    Applicant: SAMYANG OPTICS CO., LTD
    Inventor: Juyeon JO
  • Patent number: 11971526
    Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features compactness and a wide field of view. The imaging lens is composed of seven lenses to form an image of an object on a solid-state image sensor. The constituent lenses are arranged in the following order from an object side to an image side: a first lens with positive refractive power; a second lens with positive or negative refractive power; a third lens with negative refractive power; a fourth lens with positive or negative refractive power as a double-sided aspheric lens; a meniscus fifth lens having a convex surface on the image side; a sixth lens with positive or negative refractive power as a double-sided aspheric lens; and a seventh lens with negative refractive power, in which an air gap is provided between lenses.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: April 30, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Masaya Hashimoto
  • Patent number: 11966028
    Abstract: Provided are an optical lens, a camera module and a front camera. From an object side to an Imaging plane, the optical lens sequentially includes: a stop; a first lens having a positive focal power and a concave object side surface; a second lens having a negative focal power and a concave image side surface; a third lens having a positive focal power, a convex object side surface and a concave image side surface; a fourth lens having a positive focal power, a concave object side surface and a convex image side surface; a fifth lens having a negative focal power. An entrance pupil diameter EPD of the optical lens is smaller than 1.58 mm, and the maximum distance between the projection of an entrance pupil and the projection of the object side surface of the first lens on the optical axis is greater than 0.17 mm.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 23, 2024
    Assignee: JIANGXI LIANYI OPTICS CO., LTD
    Inventors: Yilong Wang, Xuming Liu, Haojie Zeng, Jiyong Zeng
  • Patent number: 11960067
    Abstract: The disclosure discloses a zoom lens group. The zoom lens group sequentially includes from an object side to an image side along an optical axis: a first lens group having a negative refractive power, the first lens group including a first lens and a second lens which are sequentially arranged along the optical axis; a second lens group having a positive refractive power, the second lens group including a third lens, a fourth lens and a fifth lens which are sequentially arranged along the optical axis; and a third lens group having a positive refractive power, a separation distance between the first lens group and the second lens group on the optical axis and a separation distance between the second lens group and the third lens group on the optical axis are adjusted, so as to switch the zoom lens group from a wide-angle state to a long-focus state.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: April 16, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yang Gao, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
  • Patent number: 11960062
    Abstract: The present application discloses an optical imaging lens, comprising, in order from an object side to an image side along an optical axis: 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 having a negative refractive power; and a sixth lens having a positive refractive power, wherein a distance TTL from an object side surface of the first lens to an imaging plane of the optical imaging lens on the optical axis and an entrance pupil diameter EPD of the optical imaging lens satisfy TTL/EPD<1.9; and a total effective focal length f of the optical imaging lens satisfies 6.0 mm<f<7.5 mm.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 16, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Shuang Zhang, Xiaobin Zhang, Jianke Wenren, Fujian Dai, Liefeng Zhao
  • Patent number: 11960144
    Abstract: Disclosed are an optical lens, a camera module and a terminal camera. From an object side to an image side, the optical lens include: a first lens with a negative focal power, which has a convex object side surface and a concave image side surface; a stop; a second lens with a positive focal power, which has a convex object side surface and a concave image side surface; a third lens with a positive focal power, which has a convex object side surface and a concave image side surface; a fourth lens with a positive focal power, which has a convex object side surface and a convex image side surface; a fifth lens with a negative focal power, an object side surface of the fifth lens is convex at a paraxial region and an image side surface of the fifth lens is concave at a paraxial region; and a filter.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: April 16, 2024
    Assignee: JIANGXI LIANYI OPTICS CO., LTD.
    Inventors: Xiaozhi Yu, Haojie Zeng, Xuming Liu, Jiyong Zeng
  • Patent number: 11947186
    Abstract: The disclosure provides an optical imaging lens assembly and a fingerprint identification device with the optical imaging lens assembly. The optical imaging lens assembly sequentially comprises, from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof being a concave surface; a second lens with a positive refractive power, an object-side surface thereof being a convex surface; and a third lens with a positive refractive power, an object-side surface thereof being a convex surface while an image-side surface being a convex surface. EPD is an entrance pupil diameter of the optical imaging lens assembly, and a total effective focal length f of the optical imaging lens assembly and EPD meet f/EPD<1.65. FOV is a maximum field of view of the optical imaging lens assembly, and FOV meets 125°<FOV<140°.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: April 2, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Li Xie, Fujian Dai, Liefeng Zhao
  • Patent number: 11947087
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of the wide field of view, the low-profileness and the low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens having a convex surface facing the object side and positive refractive power near an optical axis, a second lens having negative refractive power near the optical axis, a third lens having aspheric surfaces on both sides, a fourth lens, and a fifth lens having a concave surface facing the image side and the negative refractive power near the optical axis, wherein an image-side surface of said fifth lens is formed as an aspheric surface having at least one pole point in a position off the optical axis, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: April 2, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Huang Yunbai
  • Patent number: 11934037
    Abstract: The present disclosure discloses a camera lens group including, sequentially from an object side to an image side along an optical axis, a first lens having refractive power; a first prism having a first reflecting surface, and an angle between the first reflecting surface and the optical axis being 45°; a stop; a second lens having refractive power; a third lens having refractive power; a fourth lens having refractive power; a second prism having a second reflecting surface, and an angle between the second reflecting surface and the optical axis being 45°; and a fifth lens having refractive power. A maximum field-of-view FOV of the camera lens group satisfies: FOV?80.0°.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: March 19, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Long Li, Jianke Wenren, Fujian Dai, Liefeng Zhao
  • Patent number: 11927728
    Abstract: A camera lens group including, a first lens having positive refractive power, a convex object-side surface and a concave image-side surface; a second lens having refractive power, a convex object-side surface and a concave image-side surface; a third lens having negative refractive power and a concave image-side surface; a fourth lens having positive refractive power, a convex object-side surface and a concave image-side surface; a fifth lens having refractive power, a convex object-side surface and a concave image-side surface; a sixth lens having positive refractive power, a concave object-side surface and a convex image-side surface; a seventh lens having refractive power; an eighth lens having refractive power and a convex image-side surface; a ninth lens having refractive power, a concave object-side surface and a convex image-side surface; and a tenth lens having negative refractive power, a concave object-side surface and a concave image-side surface.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: March 12, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping Li, Lingbo He, Fujian Dai, Liefeng Zhao