Patents Examined by DaWayne Pinkney
  • Patent number: 10921570
    Abstract: The present disclosure describes a camera lens assembly. The camera lens assembly comprises, sequentially along an optical axis from an object side to an image side, the first to the seventh lenses. The first lens has a negative refractive power, and an object side surface of the first lens is a convex surface. The third lens has a positive refractive power, and an object side surface of the third lens is a convex surface. The sixth lens has a negative refractive power, and an image side surface of the sixth lens is a concave surface. The second lens, the fourth lens and the fifth lens respectively have a positive refractive power or a negative refractive power. An effective radius of the object side surface of the first lens DT11 and an effective radius of an object side surface of the second lens DT21 may satisfy: 1<DT11/DT21<1.5.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: February 16, 2021
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Kaiyuan Zhang, Jianke Wenren
  • Patent number: 10921493
    Abstract: Embodiments of the disclosure provide a virtual curved surface display panel, a display device and a displaying method. The virtual curved surface display panel includes: a display panel having a plurality of pixels; and a plurality of imaging lens arrays disposed at a light emitting side of the display panel and arranged to image light from the plurality of pixels such that imaging trajectories for the plurality of pixels are located in a same virtual curved surface, thereby enabling a virtual curved surface display effect on a flat display panel.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: February 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Gao, Xiaochuan Chen, Yafeng Yang
  • Patent number: 10921620
    Abstract: An optical modulator includes an optical modulation element (102) including a plurality of signal electrodes (112a and the like), a plurality of lead pins (116a and the like) for inputting high frequency signals, and a relay substrate (118) in which conductor patterns (202a and the like) that electrically connect the lead pins and the signal electrodes are formed, and at least one of the conductor patterns in the optical modulator is constituted so that at least one resonant frequency of the at least one of the conductor patterns is different from at least one resonant frequency of at least one of the other conductor patterns.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 16, 2021
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Toru Sugamata, Norikazu Miyazaki
  • Patent number: 10921569
    Abstract: Provided is a zoom lens including, in order from an object side to an image side: a positive first lens unit; a negative second lens unit; a positive third lens unit; a positive fourth lens unit; and a rear unit including at least one lens unit. An interval between each pair of adjacent lens units is changed during zooming. The first lens unit includes, in order from the object side to the image side, a negative lens and a positive lens. A focal length f1 of the first lens unit, a focal length f2 of the second lens unit, a focal length f3 of the third lens unit, and an average value Nd1ave of refractive indices at a d-line of respective materials of the negative lens and the positive lens of the first lens unit are each appropriately set.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: February 16, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masato Katayose
  • Patent number: 10908437
    Abstract: Provided are optical modulators and devices including the optical modulators. The optical modulator may include an optical modulation layer that includes a phase change material. A first electrode may be provided on a first surface of the optical modulation layer. A second electrode may be provided on a second surface of the optical modulation layer. A first phase controlling layer may be provided, the first electrode being disposed between the first phase controlling layer and the optical modulation layer. A second phase controlling layer may be provided, the second electrode being disposed between the second phase controlling layer and the optical modulation layer. Each of the first and the second phase controlling layers may have an optical thickness corresponding to an odd multiple of ?/4, where ? is a wavelength of incident light to be modulated by the optical modulator. The optical modulator may further include at least one reflective layer.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byunghoon Na, Yonghwa Park
  • Patent number: 10901242
    Abstract: Provided is a driving device for PWM control of voltage pulses for controlling the temperature of a heater in a phase controller, the driving device being capable of increasing the response speed of an optical element such as an optical switch. Phase controllers include first and second heaters for changing the temperatures of first and second optical waveguides extending in parallel. Driving devices include pulse generation circuits that generate voltage pulses to apply to the first and second heaters. To start raising the temperature of the second heater, the pulse generation circuit generates a first voltage pulse and consecutive second voltage pulses to apply to the second heater with zero voltage pulse being applied to the first heater, the first voltage pulse having a long pulse width and the second voltage pulses following the first voltage pulse and having a shorter pulse width than the first voltage pulse.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: January 26, 2021
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Ken Tanizawa, Hiroyuki Matsuura, Satoshi Suda, Haruhiko Kuwatsuka, Keijiro Suzuki, Guangwei Cong, Kazuhiro Ikeda, Hitoshi Kawashima, Shu Namiki
  • Patent number: 10890760
    Abstract: A see-through head mounted display with controllable light blocking includes an optics module comprising a light source and image source positioned on a same side of an angled partially-reflective surface, wherein the light source projects light off the surface to the image source which reflects the light as image light to the surface which transmits the image light along a first axis. The display also includes a flat combiner positioned to reflect the image light off of a first side and simultaneously transmit incident light through the first and a second side, along an optical axis perpendicular to the first axis to provide a view of a displayed image overlaid onto a see-through view of the environment, and a controllable light blocking element arranged generally parallel to the flat combiner and in front of the second side to block light incident on the same optical axis as the image light.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: January 12, 2021
    Assignee: Mentor Acquisition One, LLC
    Inventor: John N. Border
  • Patent number: 10890787
    Abstract: The MZ type optical modulator of the invention includes: a Si optical modulator including an input optical waveguide, two arm waveguides branching and guiding light input from the input optical waveguide, an output optical waveguide combining the light guided through the two arm waveguides and outputting the combined light, two signal electrodes for applying radio frequency signals that are arranged in parallel to the two arm waveguides respectively, and a DC electrode for applying a bias voltage that is provided between the two signal electrodes; and at least one ground electrode arranged in parallel to the two signal electrodes.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: January 12, 2021
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yuriko Kawamura, Ken Tsuzuki, Kiyofumi Kikuchi
  • Patent number: 10888457
    Abstract: A keratometer for intra-surgery measurements mounted under a surgical microscope includes a Placido ring illuminating a patient's eye; a video camera; a beamsplitter directing a Purkinje image of the Placido ring to the video camera; a fixation light directing a beam for patient eye fixation, fixation confirmation or creating a red reflex effect to enhance IOL imaging and cataract visualization; a processor configured to determine the refractive characteristics and keratometer parameters of the patient's eye and to execute a digital image enhancement method to outline IOL features to help IOL alignment; and a digital display displaying the keratometer parameters and surgical guidance information for a surgeon.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: January 12, 2021
    Inventor: Alex Artsyukhovich
  • Patent number: 10877242
    Abstract: The present invention relates to a camera module mounted in a mobile terminal, comprising: a first lens group having a first lens, which has a positive (+) refractive power, and a second lens, which has a negative (?) refractive power, in order from the object side, wherein the first and second lenses are integrally formed through a first lens barrel; a variable aperture for controlling the quantity of light incident into an optical system; and a second lens group having a third lens having a negative (?) refractive power, a fourth lens having a positive (+) refractive power, and a fifth lens having a positive (+) refractive power, wherein the third to fifth lenses are integrally formed through a second lens barrel.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: December 29, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongjin Lee, Jongpil Kim, Hakhae Kim
  • Patent number: 10871695
    Abstract: A multi-layer device comprising a first substrate and a first electrically conductive layer on a surface thereof, the first electrically conductive layer having a sheet resistance to the flow of electrical current through the first electrically conductive layer that varies as a function of position.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: December 22, 2020
    Assignee: KINESTRAL TECHNOLOGIES, INC
    Inventors: Howard S. Bergh, Jonathan Ziebarth, Nicolas Timmerman
  • Patent number: 10871639
    Abstract: In various embodiments, wavelength beam combining laser systems incorporate optical cross-coupling mitigation systems and/or engineered partially reflective output couplers in order to reduce or substantially eliminate unwanted back-reflection of stray light.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: December 22, 2020
    Assignee: TERADIODE, INC.
    Inventor: Bien Chann
  • Patent number: 10866432
    Abstract: A method of assembling an adjustable fluid-filled lens assembly comprising biaxially tensioning an elastomeric membrane to a surface tension of greater than 180 N/m, typically greater than 1000 N/m; thermally conditioning the tensioned membrane, e.g., for one hour at a temperature of about 80° C., to accelerate relaxation of the membrane; mounting the membrane to a peripheral support structure whilst maintaining the tension in the membrane; assembling the mounted membrane with one or more other components to form an enclosure with the membrane forming one wall of the enclosure; and thereafter filling the enclosure with a fluid. The membrane may be formed from an aromatic polyurethane, and the fluid may be a phenylated siloxane. In some embodiments, the membrane is able to hold a substantially constant surface tension of at least 180 N/m for a period of at least 12 months.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: December 15, 2020
    Assignee: ADLENS LTD
    Inventors: Robert Edward Stevens, Thomas Jacoby, Derek Paul Forbes Bean, William Guest, Jon Nisper, Tom Worsley, Ashutosh Kumar, Richard Wilhelm Janse Van Rensburg, Peter Lee Crossley, Rita Stella
  • Patent number: 10863902
    Abstract: A method for assessing glaucoma in a patient may involve measuring an intraocular pressure of the patient and measuring an intracranial pressure in the patient, using a noninvasive eye tracking system. The method may then involve comparing the intraocular pressure to the intracranial pressure and assessing glaucoma in the patient, based on the comparing of the intraocular pressure to the intracranial pressure.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: December 15, 2020
    Assignee: OCULOGICA INC.
    Inventors: Rosina Samadani, Thomas A. Castillo
  • Patent number: 10852458
    Abstract: A camera device is provided, including a liquid lens, a deforming member, and a first driving module. The deforming member is disposed adjacent to the liquid lens, and the first driving module can generate relative motion between the liquid lens and the deforming member. In response to the adjustment of the distance between the liquid lens and the deforming member, the deforming member deforms the liquid lens.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: December 1, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wei Weng
  • Patent number: 10856057
    Abstract: Methods and devices for manipulating optical signals. In one example, a LCOS (liquid crystal on silicon) device includes a surface bearing an anti-reflection structure. The anti-reflection structure includes i) a physical surface having a topography with features having lateral dimensions of less than 2000 nm and having an average refraction index which decreases with distance away from the surface; and ii) a configuration of the topography, averaged over lateral dimensions of greater than 2000 nm, varies with lateral position on the surface.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: December 1, 2020
    Assignee: Cambridge Enterprise Limited
    Inventors: Daping Chu, Brian Robertson
  • Patent number: 10852613
    Abstract: Various embodiments herein relate to electrochromic devices, methods of fabricating electrochromic devices, and apparatus for fabricating electrochromic devices. In a number of cases, the electrochromic device may be fabricated to include a particular counter electrode material. The counter electrode material may include a base anodically coloring material. The counter electrode material may further include one or more halogens. The counter electrode material may also include one or more additives.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: December 1, 2020
    Assignee: View, Inc.
    Inventors: Anshu A. Pradhan, Robert T. Rozbicki, Dane Gillaspie, Sridhar K. Kailasam
  • Patent number: 10845610
    Abstract: A spectral feature selection apparatus includes a dispersive optical element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive optical element and a pulsed optical source; and one or more actuation systems, each actuation system associated with a refractive optical element and configured to rotate the associated refractive optical element to thereby adjust a spectral feature of the pulsed light beam. At least one of the actuation systems is a rapid actuation system that includes a rapid actuator configured to rotate its associated refractive optical element about a rotation axis. The rapid actuator includes a rotary stepper motor having a rotation shaft that rotates about a shaft axis that is parallel with the rotation axis of the associated refractive optical element.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: November 24, 2020
    Assignee: Cymer, LLC
    Inventor: Eric Anders Mason
  • Patent number: 10838229
    Abstract: A glasses frame includes: a pair of lens-holding frames each holding vertically arranged lenses; a bridge coupling the lens-holding frames in height at the center; a temple; an inverting unit provided on an outside and in height at the center of each of the lens-holding frames and configured to invert the temple; and nose pads provided correspondingly one-to-one to both ends of the bridge and supporting the bridge while being in contact with a nose even when the lens-holding frames are inverted, in which the temple includes a bent portion.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 17, 2020
    Inventor: Norio Seki
  • Patent number: 10838185
    Abstract: The invention relates to systems and methods for observing materials, such as living cells or organisms, wherein the systems and methods utilize a microscopy system having an illumination source and an objective lens. A specimen including a predetermined amount of a liquid medium and a predetermined amount of an extracellular strongly absorbing dye is positioned for observation using the microscopy system. The illumination of the specimen correlates to the spectral region around the peak of the dye absorbance for the dye used in the system, such that live cells and organisms appear in contrast over a dark background for observation.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: November 17, 2020
    Assignee: KENT STATE UNIVERSITY
    Inventors: Michael Model, Anatoly Khitrin