Patents Examined by Seung C. Sohn
  • Patent number: 11368642
    Abstract: A method of manufacturing a semiconductor device and a method of manufacturing a solid-state imaging device, including preparing an SOI wafer in which a silicon layer is disposed on an FZ wafer that is a silicon wafer manufactured according to an FZ method, with an insulation layer being interposed between the silicon layer and the FZ wafer, removing a part of the silicon layer, as an element isolation region, to form a trench for division of the silicon layer, and forming plural circuit elements that each include at least a part of the silicon layer other than the element isolation region, and which are isolated from each other by the element isolation region.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: June 21, 2022
    Inventor: Noriyuki Miura
  • Patent number: 11366225
    Abstract: A range detector for detecting distance of an object is provided. The detector includes: a light source configured to emit a first light pulse and a second light pulse towards a distant object, the first light pulse being configured for short-range object detection and the second light pulse being configured for long-range object detection; an active pixel sensor having a plurality of pixel elements each of which including at least one photodiode and at least one floating diffusion region configured to receive photoelectric charge from the at least one photodiode, the at least one photodiode being disposed with respect to the light source, such that the first and second pulses are reflected back from the object towards the at least one photodiode; and a controller configured to actuate the light source to selectively emit the first and second light pulses and to determine distance of the object.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: June 21, 2022
    Inventor: Eyal Yatskan
  • Patent number: 11366308
    Abstract: An optical scanner unit includes a mirror component, a vibration generator, an optical sensor, and a light shield portion. The mirror component includes a reflective portion for reflecting light. The vibration generator swings the mirror component around a specific swing axis when AC voltage is applied. The optical sensor includes a light emitter and a light receiver for receiving light emitted from the light emitter. The light shield portion is provided to the mirror component so as to swing along with the mirror component. The light shield portion blocks the light emitted from the light emitter. The light receiver further includes a first light receiver that is provided on one swing angle side from a center position of a swing angle range of the light shield portion, and a second light receiver that is provided on the other swing angle side from the center position of the swing angle range.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: June 21, 2022
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Fuminori Tanaka, Futoshi Takeda, Kenji Tanehashi, Kenichi Fujita
  • Patent number: 11360492
    Abstract: A method may include orienting a set of solar power units in a first position in which rows of solar power units are shaded by adjacent rows of solar power units; and monitoring energy generated by the set of solar power units over a window of time, that includes from when the set of solar power units are oriented in the first position until a sun angle corresponds to none of the rows being shaded by the adjacent rows. The method may include identifying a knee in energy generation during the first window of time, where the knee indicates a transition from higher to lower rates of change of energy generation at a given solar angle. The method may include plotting a trajectory of future orientation positions over time of the set of solar power units that include an orientation and time corresponding to the given solar angle.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: June 14, 2022
    Inventors: Kyumin Lee, Lucas Creasy, Jon Sharp, Lars Tomasson, Sourav Gur
  • Patent number: 11355534
    Abstract: A detection element, a manufacturing method thereof and a flat panel detector are disclosed. The detection element includes: a base substrate; a photodiode on the base substrate, the photodiode includes: a first electrode on the base substrate; a photoelectric conversion layer on a side of the first electrode away from the base substrate; a transparent electrode and a second electrode electrically connected with the transparent electrode on a side of the photoelectric conversion layer away from the first electrode. Besides, an orthographic projection of the photoelectric conversion layer on the base substrate completely falls within an orthographic projection of the first electrode on the base substrate; the photoelectric conversion layer includes a sidewall, an orthographic projection of the sidewall of the photoelectric conversion layer on the base substrate is at least partially overlapped with an orthographic projection of the second electrode on the base substrate.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: June 7, 2022
    Inventors: Xuecheng Hou, Pengcheng Tian, Chuncheng Che, Chia Chiang Lin, Xin Li
  • Patent number: 11334194
    Abstract: A light detection circuit, an electronic device, and an optical recognition method are provided. The light detection circuit includes a charge storage sub-circuit (10), a photoelectric conversion sub-circuit (30), a signal collection sub-circuit (40), and a potential pull-up sub-circuit (50). When a potential of a reading node (A) is decreased by a preset value, the potential pull-up sub-circuit (50) changes the potential of the reading node (A) to an initial potential. A photoelectric diode may continuously generate a light current under the action of light, so that the potential of the reading node (A) is decreased again. Even when the intensity of ambient light is high, a touch can be accurately recognized in an optical touch recognition circuit, and ridge lines and valley lines can be accurately recognized in an optical fingerprint recognition circuit.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: May 17, 2022
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Wei Liu, Bo Chen, Xueyou Cao, Pengpeng Wang, Ping Zhang, Likai Deng
  • Patent number: 11326939
    Abstract: Various embodiments of the present invention relate to: an electronic device capable of measuring illuminance by using an optical sensor and providing information on the measured illuminance to a user; and an operating method therefor.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: May 10, 2022
    Inventors: Yong Jin Lee, Hyunsu Kim, Hwan Shim, Wonkyu Lee, Dawoon Jung, Taeho Kim
  • Patent number: 11326942
    Abstract: An optical sensor arrangement comprises a photodiode (11) and an analog-to-digital converter (12). The analog-to-digital converter (12) comprises an integrator (13) having an integrator input (15) coupled to the photodiode (11), a comparator (14) having a first input coupled to an output of the integrator (13) and a digital-to-analog converter (39) coupled to a control terminal of the comparator (14).
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: May 10, 2022
    Inventor: Gonggui Xu
  • Patent number: 11328150
    Abstract: A lens-array imager includes lenses Lm forming a lens array having a pitch dx, a pixel array including pixel-array regions Rm, and apertured baffle-layers therebetween; m={0, 1, 2, . . . }. Each pixel-array region has a width rx<dx and pitch px<dx. Each apertured baffle-layer is at a respective distance zk from the pixel array and has a respective plurality of aperture stops Am forming an aperture-stop array. A center of each aperture stop Am is collinear with both a center of region Rm and an optical center of lens Lm. Each aperture-stop array has a pitch that approaches px as zk approaches zero and approaches lens pitch dx as zk approaches a distance zL between lens L0 and region R0. A width of each aperture stop Am has an upper limit that increases from px, when zk equals zero, to Wx when distance zk equals zL.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: May 10, 2022
    Assignee: OmniVision Technologies, Inc.
    Inventor: Regis Fan
  • Patent number: 11320291
    Abstract: In accordance with embodiments there is provided manufacturing processes for fibre optic sensors. In an example, a portion of a fiber optic cable is coated with a thin film layer and placed in a channel of a fiber carrying flexible member for a fiber optic sensor. The portion is embedded in the channel using one of: a thermal curing process after filling the channel with a metallic liquid suspension or polymeric adhesive; and an electroplating or electroless plating process. Filling the channel may comprises performing a controlled dispensing using an automated process such as a drop-on-demand deposition process. In an example, a fiber optical cable is placed in a channel of a flexible member. Micro-laser welding or electron beam welding is used to locally melt the member areas adjacent to the cable resulting in the flow of liquid around the fiber creating a solid structure with embedded fiber after solidification.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: May 3, 2022
    Inventors: Hamid Alemohammad, Richard Liang, Amir Azhari
  • Patent number: 11313798
    Abstract: An optical measuring device for measuring light emitted from a sample includes a container cavity for receiving a container in which the sample is enclosed; a light detection unit for detecting light from the sample; a light guide path for guiding the light from the sample to the light detection unit; and a light absorbing unit for absorbing incident light. An end of the light guide path to receive the incident light faces the container cavity, a light exit end of the light guide path faces the light detection unit, and the light absorbing unit covers the perimeter of the light guide path other than the light-receiving-end and the light exit end thereof.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 26, 2022
    Inventors: Yuji Oki, Kinichi Morita
  • Patent number: 11313719
    Abstract: A photon detector is provided. The photon detector includes a superconducting wire having a plurality of alternating narrow and wide portions; a current source electrically-coupled to the superconducting wire and configured to supply the superconducting wire with electrical current; and an optical waveguide optically coupled to the plurality of narrow portions of the superconducting wire.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: April 26, 2022
    Assignee: PSIQUANTUM CORP.
    Inventors: Faraz Najafi, Eric Dudley, Mark Thompson
  • Patent number: 11315984
    Abstract: The present disclosure relates to a color filter substrate, a manufacturing method thereof, and an OLED display device. The color filter substrate comprises a substrate, a black matrix, a plurality of color resists, and a plurality of isolation walls. The present disclosure disposes the plurality of isolation walls on the black matrix and between two adjacent color resists, thereby preventing light crosstalk between the adjacent color resists and preventing color mixing, and therefore improving display effect.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 26, 2022
    Inventor: Yuanyuan Li
  • Patent number: 11310471
    Abstract: Digital camera systems and methods are described that provide a color digital camera with direct luminance detection. The luminance signals are obtained directly from a broadband image sensor channel without interpolation of RGB data. The chrominance signals are obtained from one or more additional image sensor channels comprising red and/or blue color band detection capability. The red and blue signals are directly combined with the luminance image sensor channel signals. The digital camera generates and outputs an image in YCrCb color space by directly combining outputs of the broadband, red and blue sensors.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: April 19, 2022
    Assignee: Intellectual Ventures II LLC
    Inventors: Richard Ian Olsen, James Gates, Darryl L. Sato
  • Patent number: 11307060
    Abstract: A light-receiving module includes a support body having a bottom wall part and a side wall part, a light-receiving element disposed on the bottom wall part such that a light-receiving surface faces one side and surrounded by the side wall part when viewed from the one side, and a fiber optic plate having an input surface constituted by surfaces of one end of a plurality of optical fibers and an output surface constituted by surfaces of the other end of the plurality of optical fibers and disposed on the light-receiving element such that the output surface faces the light-receiving surface. An end surface of the side wall part on the one side is positioned more to the one side than the light-receiving surface and the input surface is positioned more to the one side than the end surface.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: April 19, 2022
    Inventors: Takayuki Suzuki, Yuji Tsuji
  • Patent number: 11300979
    Abstract: A solar tracking system is provided having a pivoting table driven for rotation about an axis of rotation through a rotational angle range. The pivoting table includes a longitudinally extending beam and a plurality of photovoltaic modules supported by and pivoting with the beam. The system also includes an actuator coupled to the beam for rotating the pivoting table about the axis of rotation through the rotational angle range. A controller is provided for activating the actuator to control rotational angular position of the table.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 12, 2022
    Assignee: OMCO Solar, LLC
    Inventors: Matt Kesler, Lepolve Varpilah
  • Patent number: 11303788
    Abstract: The invention provides a camera module of an electronic device, which includes a circuit board, a chip, an image sensor and a connection frame. The chip is arranged on the circuit board, and the image sensor is arranged on the chip. The connection frame is arranged on the periphery of the chip, and the chip is electrically connected with the circuit board by the connection frame, and the image sensor is located in the space surrounded by the connection frame. The invention also provides an electronic device.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: April 12, 2022
    Inventor: Jun Yang
  • Patent number: 11294081
    Abstract: Disclosed herein is a method of recovering performance of a radiation detector, the radiation detector comprising: a radiation absorption layer configured to absorb radiation particles incident thereon and generate an electrical signal based on the radiation particles; an electronic system configured to process the electrical signal, the electronic system comprising a transistor, the transistor comprising a gate insulator with positive charge carriers accumulated therein due to exposure of the gate insulator to radiation; the method comprising: removing the positive charge carriers from the gate insulator by establishing an electric field across the gate insulator.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: April 5, 2022
    Inventors: Peiyan Cao, Yurun Liu
  • Patent number: 11294021
    Abstract: A tracking apparatus includes a photosensor. The apparatus includes only a single, physically compact, optical pattern emitting base station. The apparatus includes a computer that tracks the photosensor to sub-millimeter accuracy using the optical pattern emitted by the base station. Alternatively, the computer determines angular position of the photosensor relative to the base station to a finer resolution than the size of an aperture of the photosensor from the light emitted by the base station. A method for tracking.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: April 5, 2022
    Inventor: Kenneth Perlin
  • Patent number: 11280674
    Abstract: A system for converting an optical signal into an electrical signal includes at least one differential Trans-Impedance Amplifier (TIA). To minimize (preferably eliminate) DC offset issues at the TIA output, an Input Counter-Offset (ICO) circuit is provided to remove the DC component of the initial optical signal from the input to the TIA. To further maximize the removal of DC offset at the TIA output, an Output Counter-Offset circuit is provided to take DC offset from the TIA output for use as a negative feedback directly to the input of the TIA. Modifications of the present invention are also intended for use with two TIA terminations and with a travelling wave photodiode.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: March 22, 2022
    Assignee: VEO
    Inventors: Chen-Kuo Sun, Jeb M. Binkley, Robert B. Welstand