Patents by Inventor Peiyan CAO

Peiyan CAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • LIGHT DETECTOR
    Publication number: 20200341123
    Abstract: An apparatus, comprising: a light source configured to generate a primary light beam that diverges along a first dimension to illuminate a line in a target scene, and diffracted light beams that diverge along the first dimension and spaced apart from the primary light beam in a second dimension perpendicular to the first dimension; wherein the light source is configured to scan the light beam in the second dimension; a detector comprising a first plurality of light receiving components configured to detect light of the primary light beam returned from the target scene, and a second plurality of light receiving components configured to detect light of the diffracted light beams returned from the target scene.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • LIGHT DETECTOR
    Publication number: 20200341145
    Abstract: Disclosed herein is an apparatus, comprising a light source configured to generate light pulses, wherein one or more attributes of the light pulses are modulated according to a first code, the one or more attributes of the light pulses selected from a group consisting of amplitudes of the light pulses, time intervals between the light pulses, widths of the light pulses, spectra of the light pulses, and a combination thereof; a detector configured to receive a mixture of light comprising respective portions of the light pulses scattered by a portion of a target scene, configured to select the portions of the light pulses from the mixture of light based on a second code, and configured to generate electric signals based on a characteristic of the portions of the light pulses.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • ENDOSCOPE
    Publication number: 20200330058
    Abstract: Disclosed herein is an endoscope comprising: an insertion tube; a radiation detector configured to detect radiation particles in a first range of energy and radiation particles in a second range of energy.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • METHODS OF RECOVERING RADIATION DETECTOR
    Publication number: 20200333479
    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: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • PACKAGING OF RADIATION DETECTORS
    Publication number: 20200333477
    Abstract: Disclosed herein is radiation detector comprising: a radiation absorption layer configured to generate electric signals by absorbing radiation particles; an electronics layer comprising an electronic system configured to process or interpret the signals; a flexible PCB configured to receive output from the electronic system; wherein the radiation absorption layer and the flexible PCB are mounted on a same side of the electronics layer.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Peiyan CAO, Yurun LIU, Chongshen SONG
  • PACKAGING OF RADIATION DETECTORS IN AN IMAGE SENSOR
    Publication number: 20200335485
    Abstract: Disclosed herein is an image sensor comprising: a first package comprising a plurality of radiation detectors mounted on a printed circuit board (PCB); wherein a dead zone of the first package does not extend between neighboring radiation detectors among the plurality of radiation detectors; wherein the radiation detectors have no guard rings or sidewall doping.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Peiyan CAO, Yurun LIU, Chongshen SONG
  • STRIP PIXEL DETECTOR
    Publication number: 20200333481
    Abstract: Disclosed herein is a detector, comprising: a plurality of strip pixels, wherein each of the strip pixel is configured to count numbers of radiation photons incident thereon whose energy falls in a plurality of bins, within a period of time.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • RADIATION DETECTOR WITH QUANTUM DOT SCINTILLATOR
    Publication number: 20200335653
    Abstract: Disclosed herein is a radiation detector comprising: a layer of quantum dots configured to emit a pulse of visible light upon absorbing a radiation particle; an electronic system configured to detect the radiation particle by detecting the pulse of visible light.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • Photomultiplier and methods of making it
    Patent number: 10804085
    Abstract: Disclosed herein is a photomultiplier comprising: an electron ejector; a detector; a substrate; and a first electrode in the substrate; a second electrode in the substrate; a third electrode in the substrate; wherein each of the first, second and third electrodes comprises a flat or curved surface at an angle to a normal direction of the substrate; wherein each of the first, second and third electrodes comprises a first end and a second end, the first end being closer to the electron ejector than the second end; wherein the first, second and third electrodes are spatially arranged such that the second ends of the first, second and third electrode are on a same plane, or such that a plane the second ends of the first and third electrodes are on crosses the second electrode.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: October 13, 2020
    Assignee: Shenzhen Genorivision Technology Co., Ltd.
    Inventors: Peiyan Cao, Yurun Liu
  • Image sensor based on avalanche photodiodes
    Patent number: 10797098
    Abstract: Disclosed herein is an apparatus comprising: an array of avalanche photodiodes (APDs), each of the APDs comprising an absorption region and an amplification region; wherein the absorption region is configured to generate charge carriers from a photon absorbed by the absorption region; wherein the amplification region comprises a junction with an electric field in the junction; wherein the electric field is at a value sufficient to cause an avalanche of charge carriers entering the amplification region, but not sufficient to make the avalanche self-sustaining; wherein the junctions of the APDs are discrete.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: October 6, 2020
    Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.
    Inventors: Peiyan Cao, Yurun Liu
  • Systems with multiple layers of semiconductor x-ray detectors
    Patent number: 10788593
    Abstract: Disclosed herein is a system comprising multiple layers of X-ray detectors. The top layer may have through-wafer vias. The other layers may have bonding wires. The bonding wires are shadowed by the X-ray absorption layers in the layers above.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: September 29, 2020
    Assignee: SHENZHEN XPECTVISION TECHNOLOGY CO., LTD.
    Inventors: Peiyan Cao, Yurun Liu
  • Phototube and method of making it
    Patent number: 10790128
    Abstract: Disclosed herein is a method comprising: emitting electrons from an electron ejector in response to an incident photon; driving the electrons through a hole toward a detector configured to collect the electrons and provide an output signal representative of the incident photon; driving the electrons away from sidewalls of the hole, using an electric field.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: September 29, 2020
    Assignee: Shenzhen Genorivision Technology Co., Ltd.
    Inventors: Peiyan Cao, Yurun Liu
  • X-Ray Imaging with a Detector Capable of Resolving Photon Energy
    Publication number: 20200292475
    Abstract: The present teaching relates to methods, systems, and apparatus for X-ray imaging with a detector capable of resolving photon energy. In one example, an X-ray microscope is disclosed. The X-ray microscope comprises an X-ray source and a detector. The X-ray source is configured for irradiating X-ray to a sample. The detector is configured for: detecting X-ray photons from the irradiated X-ray, determining energy of each of the detected X-ray photons, and generating an image of the sample based on detected X-ray photons that have energies in a predetermined range.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 17, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • METHODS OF DATA OUTPUT FROM A SEMICONDUCTOR IMAGE DETECTOR
    Publication number: 20200280686
    Abstract: Disclosed herein is an apparatus suitable for detecting an image, comprising: a plurality of pixels configured to generate an electric signal upon exposure to a radiation; an electronics system associated with each of the pixels, wherein the electronics system comprises a first memory on a first signal path and a second memory on a second signal path, both signal paths being between an input terminal and an output terminal of the electronics system; wherein each of the first memory and the second memory is configured to store the electric signal generated by the pixel the electronics system is associated with, configured to store the electric signal generated in another pixel, and configured to transmit the electric signal stored in the electronics system to another pixel; wherein the electronics system comprises a switch configured to select one of the signal paths.
    Type: Application
    Filed: February 26, 2016
    Publication date: September 3, 2020
    Inventors: Peiyan CAO, Huabin CHENG, Yurun LIU
  • PACKAGING OF SEMICONDUCTOR X-RAY DETECTORS
    Publication number: 20200264321
    Abstract: Disclosed herein is an image sensor comprising: a plurality of packages arranged in a plurality of layers; wherein each of the packages comprises an X-ray detector mounted on a printed circuit board (PCB); wherein the packages are mounted on one or more system PCBs; wherein within an area encompassing a plurality of the X-ray detectors in the plurality of packages, a dead zone of the packages in each of the plurality of layers is shadowed by the packages in the other layers.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • LIDAR DETECTOR WITH HIGH TIME RESOLUTION
    Publication number: 20200256992
    Abstract: Disclosed herein is a method and apparatus for determining time of arrival of incident photons. The time of arrival may be determined with high time accuracy based on the times a voltage across a capacitor being charged by charge carriers generated from the incident photons at which the voltage reaches a plurality of thresholds, respectively, and the stable value of the voltage.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • Light Scanner
    Publication number: 20200249317
    Abstract: Disclosed herein is an apparatus suitable for light scanning. The apparatus may comprise a light source, an optical device and a detector. The light source may be configured to generate a scanning light beam that diverges along a first dimension to illuminate a line along the first dimension in a target scene, and may be configured to scan the scanning light beam in a second dimension perpendicular to the first dimension. The optical device may be configured to converge return light waves reflected off of the target scene to generate converged return light waves. The detector may comprise a light receiving component. The light receiving component may be configured to receive the converged return light waves. The detector may be configure to detect the converged return light waves incident on the light receiving component.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • COMPUTING UNIT
    Publication number: 20200250519
    Abstract: Disclosed herein is a system, which comprises a plurality of processing units. Each of the processing units comprises a first oscillator, a second oscillator, and a counter. Each of the processing units is configured to receive a first input and a second input and to send an output as a function of the first input and the second input. The function has a plurality of parameters. Each of the processing units is configured to receive and send values of the parameters. The system can be used together with a microprocessor to perform parallel computing.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Inventor: Peiyan CAO
  • X-Ray Detectors Capable of Managing Charge Sharing
    Publication number: 20200249368
    Abstract: An apparatus suitable for detecting X-ray is disclosed. In one example, the apparatus comprises an X-ray absorption layer comprising a first pixel and a second pixel, and a controller. The controller is configured for determining that carriers generated by a single X-ray photon are collected by the first pixel and the second pixel. The controller is also configured for determining energy of the single X-ray photon based on a first voltage detected from the first pixel and a second voltage detected from the second pixel. The first voltage and the second voltage are caused by the single X-ray photon.
    Type: Application
    Filed: April 21, 2020
    Publication date: August 6, 2020
    Inventors: Peiyan CAO, Yurun LIU
  • BIOSENSOR
    Publication number: 20200249167
    Abstract: Disclosed herein is an apparatus comprising: a probe carrier comprising: a first substrate comprising a first plurality of through holes in the first substrate, a transparent window attached to the first substrate and across an opening of each of the first plurality of through holes, wherein the transparent window closes the opening; and probes attached to one or more locations on the transparent window, wherein interaction between the probes and an analyte generates a signal; a second substrate comprising a second plurality of through holes in the second substrate, wherein the second plurality of through holes are configured as a plurality of collimators; a sensor comprising a plurality of pixels configured to detect the signal.
    Type: Application
    Filed: April 9, 2020
    Publication date: August 6, 2020
    Inventors: Peiyan CAO, Yurun LIU