Patents Examined by Vipin Patel
  • Patent number: 10890742
    Abstract: A projection optical system is constituted by, in order from the reduction side, a first optical system for forming an image displayed by image display elements as an intermediate image, a first optical path bending means that bends an optical path with a reflective surface, and a second optical system for forming the intermediate image on a magnification side conjugate plane. The second optical system is constituted by, in order from the reduction side, a first lens group having a positive refractive power, a second optical path bending means that bends an optical path with a reflective surface, and a second lens group having a positive refractive power. Conditional Formulae (1) and (2) below are satisfied. 10.0<TL1/|f|<50.0??(1) 4.0<TL21/|f|<30.0??(2).
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: January 12, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Masaru Amano
  • Patent number: 10890741
    Abstract: A projection optical system is constituted by, in order from the reduction side, a first optical system for forming an image displayed by image display elements as an intermediate image, a first optical path bending means that bends an optical path with a reflective surface, and a second optical system for forming the intermediate image on a magnification side conjugate plane. The second optical system is constituted by, in order from the reduction side, a first lens group having a positive refractive power, a second optical path bending means that bends an optical path with a reflective surface, and a second lens group having a positive refractive power. Conditional Formulae (1) and (2) below are satisfied. 10.0<TL1/|f|<50.0??(1) 4.0<TL21/|f|<30.0??(2).
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: January 12, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Masaru Amano
  • Patent number: 10884219
    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: February 27, 2018
    Date of Patent: January 5, 2021
    Assignee: KANTATSU CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 10877248
    Abstract: An optical image capturing system is provided. In order from an object side to an image side, the optical image capturing system includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power, and a sixth lens with refractive power. There is at least one lens with positive refractive power among the first lens to the fifth lens. The sixth lens may have negative refractive power. When meeting some certain conditions, the optical image capturing system may have outstanding light-gathering ability and an adjustment ability about the optical path in order to elevate the image quality.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: December 29, 2020
    Assignee: Ability Opto-Electronics Technology Co., Ltd.
    Inventors: Yeong-Ming Chang, Ying-Jung Chen, Chien-Hsun Lai, Yao-Wei Liu
  • Patent number: 10866392
    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: February 27, 2018
    Date of Patent: December 15, 2020
    Assignee: KANTATSU CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 10845580
    Abstract: A variable focal length lens device includes: a lens system whose refractive index changes depending on an inputted drive signal; an objective lens disposed in an optical axis common to the lens system; an image detector for detecting an image of a target object through the lens system and the objective lens; a resonance-lock controller for locking the frequency of the drive signal to a resonance frequency of the lens system; and a resonance-lock operation unit for switching enabling and suspending the resonance-lock controller.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: November 24, 2020
    Assignee: MITUTOYO CORPORATION
    Inventors: Shiro Igasaki, Nobuo Ohba, Koji Kubo, Takahisa Ootake
  • Patent number: 10838217
    Abstract: An optical collimating unit is provided that comprises a laser unit, and a lens having three optical surfaces, being a first refractive surface, a second reflective surface and a third refractive surface. Also provided is a light projection device comprising an optical collimating unit that comprises a laser unit, a lens and an optical component configured to shape laser beams being emitted into respective desired light patterns.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: November 17, 2020
    Assignee: INUITIVE LTD.
    Inventor: Hassid Costa Gurgov
  • Patent number: 10830985
    Abstract: One embodiment of a lens driving apparatus may comprise: a bobbin having a first coil disposed on the outer circumferential surface thereof; a position detection sensor which is disposed on the outer circumferential surface of the bobbin and which moves together with the bobbin; a first magnet disposed opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members which are coupled to the bobbin and the housing; and a plurality of wirings which are disposed on the outer circumferential surface of the bobbin so as to electrically connect at least one of the upper or lower elastic members with the position detection sensor.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: November 10, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Hyune O Yoo, Seong Min Lee
  • Patent number: 10823933
    Abstract: A driving mechanism is provided and drives an optical element. The driving mechanism includes a holding unit, a base unit, an elastic element, and a driving assembly. The holding unit holds an optical element. The base includes a body and a connecting component. The connecting component is formed in the body by insert molding, and has a first contact and a second contact. The first contact and the second contact are located on different sides of the base, and the first contact is electrically connected to a base unit outside the driving mechanism. The elastic element connects the holding unit to the base, and the second contact is electrically connected to the elastic elements. The driving mechanism drives the optical element to move relative to the base.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 3, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chien-Lun Huang, Yu-Cheng Lin, Fu-Yuan Wu, Chen-Chi Kuo, Sheng-Zong Chen
  • Patent number: 10816755
    Abstract: A variable focal length lens device includes: a lens system whose refractive index is variable in response to an inputted drive signal; an image detector for detecting an image of a target object through the lens system; a lens controller for outputting the drive signal and an illumination signal; and a lens operation unit for adjusting a frequency and amplitude of the drive signal outputted by the lens controller and an image-detection timing for the image detector. The lens controller includes a resonance-lock controller for tuning the drive signal to a resonance frequency of the lens system. The lens operation unit includes a resonance-lock operation unit for switchably enabling and suspending the resonance-lock controller.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 27, 2020
    Assignee: MITUTOYO CORPORATION
    Inventors: Hiroshi Sakai, Yutaka Watanabe
  • Patent number: 10811473
    Abstract: The present application discloses an organic light emitting device. The organic light emitting device includes a first electrode; an organic layer an the first electrode, the organic layer having an organic light emitting layer; a second electrode on a side of the organic layer distal to the first electrode; an electrochromic layer between the first electrode and the organic layer; and a third electrode between the electrochromic layer and the organic layer.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 20, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventor: Yuanhui Guo
  • Patent number: 10795123
    Abstract: An optical imaging lens assembly includes five 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 and a fifth lens element. The first lens element has an image-side surface being concave in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The third lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 6, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Yuan Liao, Shu-Yun Yang, Kuo-Jui Wang
  • Patent number: 10795125
    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, a sixth lens and a seventh 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, the sixth lens is made of glass material, and the seventh lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: October 6, 2020
    Assignee: AAC Optics Solutions Ptd. Ltd.
    Inventors: Xiaonan Zhao, Lei Zhang, Yanmei Wang, Yi Ji
  • Patent number: 10775590
    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 plastic 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: Grant
    Filed: May 10, 2018
    Date of Patent: September 15, 2020
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Chunhuan Fang, Lei Zhang, Yanmei Wang, Yang Zhang
  • Patent number: 10775615
    Abstract: A device for variably influencing the wavefront of a beam, said device comprising a reflecting or transmitting planar optical element (1) and an actuating and holding means (2) which is connected to the planar optical element (1) via at least three elastic retaining lugs (2.3) such that forces can be introduced into at least one of the retaining lugs (2.3) via at least one actuating element (2.4) arranged in the actuating and holding means (2), which forces are deflected in their direction of action by the bending of the retaining lugs (2.3) such that they cause forces on the peripheral surface (1.3) of the planar optical element (1) whose direction of action (RA) is parallel to the axis of symmetry (A) of the planar optical element (1), allowing the planar optical element (1) to be actively deformed.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: September 15, 2020
    Assignee: JENOPTIK Optical Systems GmbH
    Inventor: Torsten Erbe
  • Patent number: 10775681
    Abstract: Provided is an ultrasonic motor including an annular vibrator and an annular moving member that is brought into pressure-contact with the vibrator. The vibrator includes an annular vibrating plate and an annular piezoelectric element. The piezoelectric element includes an annular lead-free piezoelectric ceramic piece, a common electrode arranged on one surface of the piezoelectric ceramic piece, and a plurality of electrodes arranged on the other surface of the piezoelectric ceramic piece. The plurality of electrodes include two drive phase electrodes, one or more non-drive phase electrodes, and one or more detection phase electrodes. A second surface of the vibrating plate includes a plurality of groove regions extending radially, and the depths of the groove regions change in a circumferential direction along a curve obtained by superimposing one or more sine waves on one another. The ultrasonic motor exhibits a sufficient drive speed while suppressing generation of an unnecessary vibration wave.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: September 15, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Kubota, Akira Uebayashi, Tatsuo Furuta, Shinya Koyama, Jumpei Hayashi, Hidenori Tanaka
  • Patent number: 10768395
    Abstract: The present application discloses a camera lens assembly and a camera device equipped with the camera lens assembly. The camera lens assembly includes: a first lens, a second lens, a third lens and multiple subsequent lenses arranged in sequence from an object side to an image side along an optical axis. The first lens, the second lens, the third lens and the multiple subsequent lenses jointly form a total effective focal length f, wherein a combined focal length f12 of the first lens and the second lens and a focal length f3 of the third lens satisfy: ?0.7<f12/f3<0.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 8, 2020
    Assignee: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Jianke Wenren, Lin Huang, Saifeng Lv
  • Patent number: 10746966
    Abstract: An imaging optical system, including: a first lens being a meniscus lens with a positive refractive power, the first lens having a convex surface facing the object side; a second lens being a biconvex lens; a third lens being a meniscus lens with a negative refractive power, the third lens having a convex surface facing the object side; a fourth lens being a meniscus lens, the fourth lens having a convex surface or a concave surface facing the object side; a fifth lens having a concave surface facing the object side; and a sixth lens having a convex surface facing the image side; at least one surface of two surfaces of the lenses L1 to L6 has an aspherical shape. The imaging optical system satisfies the following conditions (1) and (2): 0.23<Y/f<0.29??(1) 0.9<TTL/f<1.0??(2).
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 18, 2020
    Assignee: NANCHANG O-FILM OPTICAL-ELECTRONIC TECH CO., LTD
    Inventor: Tomio Tabata
  • Patent number: 10746995
    Abstract: Provided is a head mounted display device including a housing for providing a darkroom space, a display module in the housing and to display an image, and an optical lens for expanding the image to provide the image to a user. The display module includes a destructive interference structure which removes the image reflected from the optical lens without reflecting the image again.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soyoung Lee, Sunyoung Jung, Hyunho Kim, Chungsock Choi, Sang-hwan Cho, Cheol Jang
  • Patent number: 10725212
    Abstract: A lens includes a curved surface. A plurality of taper shape structures is formed on the curved surface, and each taper shape structure has at least three substantial flat surfaces. P is less than or equal to 500 nm. H is less than or equal to 500 nm. The P refers to the pitch between two adjacent taper shape structures. The H refers to maximum vertical distance between each taper shape structure and the curved surface.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: July 28, 2020
    Assignee: Young Optics Inc.
    Inventors: Shih-Chang Liu, Chih-Chun Huang, Kai-Wei Hu