Patents Examined by Wen Huang
  • Optical imaging system and camera device including five lenses of ++?+?, ++???or ++??+ refractive powers
    Patent number: 12000992
    Abstract: The present disclosure provides an optical imaging system and a camera device equipped with the optical imaging system.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: June 4, 2024
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Saifeng Lv, Fujian Dai
  • Low total track length lens assembly including seven lenses of +?+?++? refractive powers for large sensor format
    Patent number: 12000996
    Abstract: Lens assemblies comprising from an object side to an image side, seven lens elements numbered L1-L7; an optical window; and an image sensor having a sensor diagonal length (SDL), wherein an exemplary lens assembly has a total track length TTL that includes the optical window an effective focal length EFL and a field of view (FOV), wherein TTL/EFL<1.100, wherein TTL/SDL<0.64, wherein FOV<90 degrees, wherein a normalized thickness standard deviation constant T_STD of at least four of the seven lens elements complies with T_STD<0.035, and wherein a focal length f1 of lens element L1 fulfills f1/EFL<0.95.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: June 4, 2024
    Assignee: Corephotonics Ltd.
    Inventors: Roy Rudnick, Michael Dror, Ephraim Goldenberg
  • Imaging lens including seven lenses of +?+0+??,+?+0?+? or +?+0++? refractive powers
    Patent number: 11994656
    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: June 10, 2021
    Date of Patent: May 28, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Koji Nitta
  • Optical imaging system including seven lenses of +-+--+- refractive powers
    Patent number: 11988896
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in ascending numerical order along an optical axis from an object side of the optical imaging system toward an imaging plane of an image sensor, wherein TTL/(2*IMG HT)?0.67 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging plane of the image sensor, and IMG HT is one half of a diagonal length of the imaging plane of the image sensor, and 15<v1-v3<45 is satisfied, where v1 is an Abbe number of the first lens, and v3 is an Abbe number of the third lens.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: May 21, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kil Soo Shin, Yong Joo Jo
  • Camera lens group including seven lenses of +?+?++?, +?++++? or +?++?+? refractive powers
    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
  • Imaging lens including seven lenses of +?+0+??, +?+0?+?or +?+0++?refractive powers
    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
  • Compact double folded tele cameras including four lenses of +?+?, +?++; OR +??+; or six lenses of +?+?+? or +?+??? refractive powers
    Patent number: 11985407
    Abstract: In some embodiments there are disclosed folded camera modules comprising a lens with 6 lens elements divided into two lens groups G1 and G2 and an effective focal length EFL, an object side-optical path folding element O-OPFE, an image side-optical path folding element I-OPFE and an image sensor, wherein G1 is located at an object side of the O-OPFE and G2 is located at an image side of the O-OPFE, wherein 8 mm<EFL<50 mm, wherein a camera module is divided into a first region having a minimum camera module region height MHM and including G1 and the O-OPFE, and into a second region having a minimum shoulder region height MHS<MHM and including the I-OPFE and the image sensor, wherein an aperture height of the lens is HL and wherein HL/MHS>0.9.
    Type: Grant
    Filed: May 28, 2023
    Date of Patent: May 14, 2024
    Assignee: Corephotonics Ltd.
    Inventors: Ephraim Goldenberg, Itay Yedid, Gal Shabtay, Itamar Boral, Nadav Goulinski, Ziv Shemesh
  • Optical imaging lens including eight lenses of +?+?++?? or +?+??+??; or nine lens of +?+??+???, or +?+?++???refractive powers
    Patent number: 11982795
    Abstract: An optical imaging lens may include a first, a second, a third, a fourth, a fifth, a sixth, a seventh, and an eighth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of each lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics, reduced length of the optical imaging lens and increased field of view while the optical imaging lens may satisfy at least one inequality.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: May 14, 2024
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Hung-Chien Hsieh, Jiayuan Zhang, Chuanbo Dong
  • Imaging lens including six lenses of +????+, +??+?+ or +???+? refractive powers
    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
  • Imaging lens including five lenses of +?++?refractive powers
    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
  • Imaging lens including six lenses of +????+, +??+?+ or +???+? refractive powers
    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
  • Optical imaging lens including eight lenses of +-++--+-, +-+---+- or +-++-++- refractive powers
    Patent number: 11977209
    Abstract: An optical imaging lens is provided. The optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element sequentially arranged along an optical axis from an object side to an image side. Each of the first lens element to the eighth lens element includes an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. Lens elements of the optical imaging lens are only the eight lens elements described above, and satisfy the conditions |V4?V5|?30.000 and (G67+T7)/(G56+T6)?1.500.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: May 7, 2024
    Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.
    Inventors: Run Hu, Ming Yang
  • Optical imaging lens assembly including six lenses of +?++??, +?+?+?, +??+??, +?+++?, or +?++?+ refractive powers
    Patent number: 11971522
    Abstract: The present disclosure discloses an optical imaging lens assembly which includes sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens has a positive refractive power with a convex object-side surface; the second lens has a refractive power with a concave image-side surface; the third lens has a refractive power with a convex object-side surface; the fourth lens has a refractive power with a concave object-side surface; the fifth lens has a refractive power; and the sixth lens has a refractive power with a concave object-side surface. A maximum effective radius DT11 of the object-side surface of the first lens and a maximum effective radius DT61 of the object-side surface of the sixth lens satisfy 0.6<DT11/DT61<1.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: April 30, 2024
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Xue Gao, Ming Li, Jianke Wenren
  • Projection lens including four lenses of ?+?+ refractive powers
    Patent number: 11966012
    Abstract: A projection lens projecting an image beam provided by a light valve onto a screen is provided. The projection lens includes first to fourth lenses in order from a screen side to a display side along an optical axis. Each lens has a screen side surface facing the screen side and allowing the image beam to pass, and a display side surface facing the display side and allowing the image beam to pass. The first and third lenses have a negative refractive power, and the second and fourth lenses have a positive refractive power. The projection lens satisfies 2<TTL/f<5. TTL is a distance from the screen side surface of the first lens to the display side surface of the fourth lens on the optical axis. f is an effective focal length of the projection lens. The projection lens covers a wide range of operating temperatures while being lightweight.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: April 23, 2024
    Assignee: Coretronic Corporation
    Inventors: Ching-Chuan Wei, Yi-Chin Chen
  • Obscuring bus bars in electrochromic glass structures
    Patent number: 11966141
    Abstract: Embodiments described include bus bars for electrochromic or other optical state changing devices. The bus bars are configured to color match and/or provide minimal optical contrast with their surrounding environment in the optical device. Such bus bars may be transparent bus bars.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: April 23, 2024
    Assignee: View, Inc.
    Inventors: Robert T. Rozbicki, Gordon E. Jack, Disha Mehtani
  • Photographing optical lens assembly including eight lenses of +?+??++?, +?++?++?, ++++?++? or +?+?+?+? refractive powers, imaging apparatus and electronic device
    Patent number: 11953657
    Abstract: A photographing optical lens assembly includes eight lens elements, which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. Each of the eight lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The first lens element has positive refractive power. The object-side surface of the fifth lens element is concave in a paraxial region thereof. The image-side surface of the sixth lens element is concave in a paraxial region thereof. The object-side surface of the seventh lens element is convex in a paraxial region thereof. The image-side surface of the eighth lens element is concave in a paraxial region thereof.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: April 9, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Yu-Tai Tseng, Tzu-Chieh Kuo
  • Imaging lens including five lenses of +-0+- refractive powers
    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
  • Broadband visible reflector
    Patent number: 11947138
    Abstract: Broadband visible reflectors are disclosed. In particular, broadband visible reflectors with reduced on-axis blue reflectivity are described. Broadband visible reflectors that appear yellow in reflection are described. Such broadband visible reflectors may be used in backlights and displays.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: April 2, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Edward J. Kivel, Ryan T. Fabick, Timothy J. Nevitt
  • Spectacles for presbyopia treatment and myopia progression control and associated methods
    Patent number: 11947197
    Abstract: A wearable optical device increases a Resolvable Object Distance Range (RODR) thereby reducing focusing demands of a plurality of objects located along a visual angle distance for a user with presbyopia or myopia. The devise includes a negative refractive element and a positive refractive element located along an optical axis. The negative refractive element and the positive refractive element are separated from each other by a separation space and at a separation distance suitable for mounting on a spectacle. A surface of a non-central zone of the negative refractive element or the positive refractive element is a Fresnel surface. The separation space is filled by an intermediate media with a refractive index lower than that of the negative refractive element or the positive refractive element. In one embodiment, the intermediate media is an optical grade resin or polymer.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 2, 2024
    Assignee: REOPIA OPTICS, INC.
    Inventors: Yan Zhou, Barry J. Linder
  • Camera optical lens including eight lenses of ?+++??+? or ??++?++? refractive powers
    Patent number: 11947188
    Abstract: 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, a seventh lens, and an eighth lens. At least one of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, or the eighth lens has a free-form surface. The first lens has a negative refractive power, and the third lens has a positive refractive power, an object-side surface of the second lens is convex at a paraxial position, and an image-side surface of the eighth lens is concave at the paraxial position. The camera optical lens has a wide angle and ultra-thinness, as well as excellent optical performance.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: April 2, 2024
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventors: Wen Sun, Jia Chen