Patents Examined by Wen Huang
  • Patent number: 11914109
    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 convex object-side surface and a concave image-side surface; a second lens having positive refractive power, a convex object-side surface and a concave image-side surface; a third lens having negative refractive power, a concave object-side surface 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; and a sixth lens having refractive power, a convex object-side surface and a concave image-side surface. An F number Fno of the camera lens group satisfies: Fno?1.45.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: February 27, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Long Li, Fujian Dai, Liefeng Zhao
  • Patent number: 11914117
    Abstract: Folded digital cameras comprising a lens system with a lens and an image sensor, the lens having N?6 lens elements Li, an effective focal length (EFL) and a total track length (TTL), wherein each lens element has a respective focal length fi and wherein a first lens element L1 faces an object side, and an optical path folding element (OPFE) for providing a folded optical path between an object and the lens. In some embodiments, the lens system has a focusing range that covers object-lens distances from infinity to a minimal object distance (MIOD), wherein MIOD/EFL is smaller than 20 or even 7. In some embodiments, the ratio of a maximal chief ray angle to a field of view of the folded camera Max CRA/FOV is smaller than 0.25 or even 0.15 when the camera is focused at infinity.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: February 27, 2024
    Assignee: Corephotonics Ltd.
    Inventors: Noy Cohen, Roy Rudnick, Michael Dror, Nadav Goulinski, Ephraim Goldenberg
  • Patent number: 11914114
    Abstract: An optical imaging system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object side. The optical imaging system satisfies 0.35<R1/f<0.40; N2+N3+N4>4.8; and TTL/(2*IMG HT) <0.70, where R1 is a radius of curvature of an object-side surface of the first lens, f is an overall focal length of the optical imaging system including the first to sixth lenses, N2 is a refractive index of the second lens, N3 is a refractive index of the third lens, N4 is a refractive index of the fourth lens, TTL is a distance from the object-side surface of the first lens to an image capturing surface of an image sensor, and IMG HT is half of a diagonal length of the image capturing surface of the image sensor.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: February 27, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Hyuk Huh, Yong Joo Jo
  • Patent number: 11906707
    Abstract: An imaging lens 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 at intervals from an object side of the imaging lens system. The imaging lens system satisfies 1.5<Nd5<1.6, 30<V5<50, and TTL/2IH<0.730, where Nd5 is a refractive index of the fifth lens, V5 is an Abbe number of the fifth lens, TTL is a distance from an object side surface of the first lens to an imaging plane, and 21H is a diagonal length of the imaging plane.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: February 20, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kil Soo Shin, Yong Joo Jo
  • Patent number: 11899170
    Abstract: An optical lens includes a first lens with a positive refractive power, a second lens having a diffractive optical surface and a negative refractive power, and a third lens with a positive refractive power arranged in order from a magnified side to a minified side. A total number of lenses with refractive powers in the optical lens is smaller than six, and the first lens, the second lens and the third lens are made of plastic.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: February 13, 2024
    Assignee: YOUNG OPTICS INC.
    Inventors: Yu-Chen Lin, Chun-Tung Wu
  • Patent number: 11899172
    Abstract: An imaging optical lens assembly includes five 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 and a fifth lens element. Each of the five lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The third lens element has positive refractive power. At least one of the object-side surface and the image-side surface of at least one of the five lens elements includes at least one critical point in an off-axis region thereof.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: February 13, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chung-Yu Wei, Wen-Yao Yang, Yi-Hsiang Chuang, Tzu-Chieh Kuo
  • Patent number: 11899178
    Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a first lens with a positive refractive power, a second lens, a third lens with a positive refractive power, a fourth lens, a fifth lens with a positive refractive power and a sixth lens with a negative refractive power, wherein a total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter (EPD) of the optical imaging lens assembly meet f/EPD<1.35; and an effective focal length f3 of the third lens, an effective focal length f5 of the fifth lens and an effective focal length f1 of the first lens meet 0.9<(f3+f5)/f1<1.7.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: February 13, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Nian Chen, Qi Wu, Fujian Dai, Liefeng Zhao
  • Patent number: 11899183
    Abstract: The present invention relates to a high resolution optical system. The optical system of the present invention includes, sequentially from an object side, a first lens having a positive refractive power and an object-side surface convex toward the object side; a second lens having a negative refractive power and an upwardly concave upper surface; 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 an upwardly convex upper surface; and a six lens having a negative refractive power and an upwardly concave upper surface.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Phil Ho Jung, Il Yong Park
  • Patent number: 11899182
    Abstract: To provide a vehicle-mounted wide-angle lens that simultaneously achieves a high resolution necessary for sensing, a size small enough to be mounted on a vehicle, and a low price. An imaging lens includes, sequentially from the object side, a first lens having a negative power and being concave on the image side, a second lens having a negative power and being concave on the image side, a third lens having a positive power and being convex on the object side, an aperture stop, a fourth lens having a positive power and being convex on the image side, a fifth lens, a sixth lens whose object side is bonded to the image side of the fifth lens and a seventh lens having a negative power and being convex on the image side, and the fourth lens is an aspheric glass lens.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: February 13, 2024
    Assignee: MAXELL, LTD.
    Inventor: Yukihiro Shimoeda
  • 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: 11892608
    Abstract: A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The sixth lens element has at least one of an object-side surface and an image-side surface being aspheric, wherein at least one of the object-side surface and the image-side surface of the sixth lens element comprises at least one inflection point. The seventh lens element has an object-side surface and an image-side surface being both aspheric.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: February 6, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Hsin-Hsuan Huang
  • Patent number: 11885937
    Abstract: An optical photographing lens assembly includes nine lens elements which are, in order from an object side to an image side: 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, an eighth lens element and a ninth lens element. Each of the nine lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one lens element of the optical photographing lens assembly has at least one aspheric lens surface having at least one inflection point.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: January 30, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Tzu-Chieh Kuo
  • Patent number: 11874441
    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: 0.80?f1/f?1.80; and 1.50?d3/d4?8.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d3 denotes an on-axis thickness of the second lens, and d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens. The camera optical lens according to the present disclosure meets design requirements for large aperture and ultra-thinness while achieving good optical performance.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: January 16, 2024
    Assignee: Changzhou Raytech Optronics Co., Ltd.
    Inventor: Guobing Tian
  • Patent number: 11874439
    Abstract: The disclosure discloses an optical imaging lens. The optical imaging lens sequentially includes from an object side to an image side along an optical axis: a first lens having a negative focal power, and provided with an object-side surface, the object-side surface is concave surface; a second lens having a focal power; a third lens having a focal power; a fourth lens having a positive focal power; a fifth lens having a negative focal power, and provided with an image-side surface, the image-side surface is concave surface; a sixth lens having a positive focal power; and a seventh lens having a focal power; at least one aspherical mirror surface is included in the object-side surface of the first lens to an image-side surface of the seventh lens; and a maximum Field of View (FOV) of the optical imaging lens meets 105°?FOV?135°.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 16, 2024
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventors: Wenbo Huang, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 11860342
    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 arranged from an object side, wherein TTL/(2*Img HT)<0.7, where a distance on an optical axis from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, and half of a diagonal length of the imaging plane of the image sensor is Img HT, and Fno<1.9, where an F-number of the optical imaging system is Fno.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: January 2, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong Park, Hyo Jin Hwang, Yong Joo Jo, Min Hyuk Im
  • Patent number: 11852946
    Abstract: A method for controlling an electrochromic device is provided. The method includes applying a constant supply current to the electrochromic device and determining an amount of charge transferred to the electrochromic device, as a function of time and current supplied to the electrochromic device. The method includes ceasing the applying the constant supply current, responsive to a sense voltage reaching a sense voltage limit and applying one of a variable voltage or a variable current to the electrochromic device to maintain the sense voltage at the sense voltage limit, responsive to the sense voltage reaching the sense voltage limit. The method includes terminating the applying the variable voltage or the variable current to the electrochromic device, responsive to the determined amount of charge reaching a target amount of charge.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: December 26, 2023
    Assignee: HALIO, INC.
    Inventors: Jonathan Ziebarth, Howard S. Bergh
  • Patent number: 11846759
    Abstract: An optical lens system includes nine lens elements which are, in order from an object side to an image side: 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, an eighth lens element and a ninth lens element. At least one lens surface of the seventh lens element, the eighth lens element and the ninth lens element has at least one critical point in an off-axis region thereof, and each of the seventh lens element, the eighth lens element and the ninth lens element has at least one lens surface being aspheric.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: December 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Wei-Yu Chen
  • Patent number: 11841526
    Abstract: A method for generating an image in a near-eye display may include operating a light source to emit the image as incident light. The light source may be configured such that incident light as received by the light reflecting elements compensates for the chromatic reflectance of the light reflecting elements. The method may include coupling the incident light into a light-transmitting substrate, thereby trapping the light between first and second major surfaces of the light-transmitting substrate by total internal reflection and coupling the light out of the substrate by the light reflecting elements having chromatic reflectance.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: December 12, 2023
    Assignee: Lumus Ltd.
    Inventors: Elad Sharlin, Ronen Chriki, Yochay Danziger
  • Patent number: 11841483
    Abstract: An optical lens includes a first lens group, a second lens group and an aperture stop. The first lens group includes three lenses with refractive powers. The second lens group has a positive refractive power and includes two lenses with refractive power. The aperture stop is disposed between the first lens group and the second lens group. The optical lens satisfies the conditions of 2 mm<DL<6 mm, LT<15 mm and 0.2<DL/LT<0.38, where DL is a diameter of a lens surface of the second lens group furthest from the first lens group, and LT is a length measured on the optical axis between two outermost lens surfaces of the optical lens.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: December 12, 2023
    Assignee: RAYS OPTICS INC.
    Inventors: Ching-Lung Lai, Hung-You Cheng, Hsin-Te Chen, Sheng-Tang Lai
  • Patent number: 11828920
    Abstract: A photographing lens system includes seven lens elements, the seven lens elements being, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, and a seventh lens element. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has negative refractive power. The second lens element has negative refractive power. The image-side surface of the fourth lens element is concave in a paraxial region thereof. The image-side surface of the seventh lens element is concave in a paraxial region thereof and has at least one inflection point in an off-axis region thereof.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: November 28, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Hsin-Hsuan Huang