Patents by Inventor Guangchao Du

Guangchao Du 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).

  • Publication number: 20240012212
    Abstract: An optical module includes a shell, a circuit board, a base, a laser assembly, a silicon optical chip and a protective cover. The laser assembly and the silicon optical chip are located on the base. The protective cover covers on the circuit board. The laser assembly and a wiring region of the laser assembly and/or the silicon optical chip and a wiring region of the silicon optical chip are encapsulated between the protective cover and the circuit board. The shell includes at least one heat conduction column, the at least one heat conduction column is disposed on an inner wall of the shell and is in thermal conductive connection with the laser assembly and/or the silicon optical chip. The protective cover includes at least one escape opening that allow the at least one heat conduction column to pass and enter an inside of the protective cover.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao DU, Yongzheng TANG, Tao WU, Jianwei MU, Shaoshuai SUI, Jihong HAN, Sitao CHEN, Qian SHAO, Bangyu YU, Benzheng DONG, Xiangxun SUN, Fabu XU
  • Publication number: 20240012211
    Abstract: An optical module includes a shell, a circuit board, a base, a laser assembly and a silicon optical chip. The laser assembly and the silicon optical chip are located on the base. The laser assembly includes an upper box, conductive substrates, laser chips and a light transmitting member. The upper box and the base are combined to provide a cavity. The cavity has an opening and a slot. The laser chips are located on the conductive substrates which are at least partially located in the cavity. The light transmitting member is disposed between the upper box and the base, and is configured to enclose the opening. Light exit surfaces of the laser chips are parallel to a light incident surface of the light transmitting member, and the light incident surface and a light exit surface of the light transmitting member are not parallel.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao DU, Yongzheng TANG, Tao WU, Jianwei MU, Shaoshuai SUI, Jihong HAN, Sitao CHEN, Qian SHAO, Bangyu YU, Benzheng DONG, Xiangxun SUN, Fabu XU
  • Publication number: 20240012210
    Abstract: An optical module includes a shell, a circuit board, a base, a laser assembly and a silicon optical chip. The circuit board is disposed between an upper shell and a lower shell of the shell. The base is located on the circuit board or in a through hole of the circuit board. The laser assembly and the silicon optical chip are located on the base. An upper box of the laser assembly and the base are combined to provide a cavity. Conductive substrates of the laser assembly are at least partially located in the cavity. Laser chips of the laser assembly are located on the conductive substrates. An opening of the cavity is located in an optical path where light emitted by the laser chips is emitted to the silicon optical chip, and a slot of the cavity allows the conductive substrates or wires to extend out of the cavity.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao DU, Yongzheng TANG, Tao WU, Jianwei MU, Shaoshuai SUI, Jihong HAN, Sitao CHEN, Qian SHAO, Bangyu YU, Benzheng DONG, Xiangxun SUN, Fabu XU
  • Patent number: 11828991
    Abstract: An optical module includes an upper shell, a lower shell, a circuit board, a base, a laser assembly and a silicon optical chip. The upper shell and the lower shell form a wrapping cavity. The circuit board is located in the wrapping cavity. The base is located on the circuit board or in a through hole of the circuit board. The laser assembly is located on the base, and is configured to provide light. The silicon optical chip is located on the base, and is configured to receive the light, and modulate the light to convert an electrical signal into an optical signal, and is configured to receive an optical signal from an outside of the optical module and convert the optical signal into an electrical signal.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: November 28, 2023
    Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao Du, Yongzheng Tang, Tao Wu, Jianwei Mu, Shaoshuai Sui, Jihong Han, Sitao Chen, Qian Shao, Bangyu Yu, Benzheng Dong, Xiangxun Sun, Fabu Xu
  • Patent number: 11631960
    Abstract: This application provides an optical module, and relates to the field of optical communication. An optical module provided in the embodiments of this application includes a laser box and a silicon photonic chip that are enclosed and packaged by an upper enclosure part and a lower enclosure part. The laser box is disposed on and is in contact with the surface of the silicon photonic chip by the side wall or the base. The laser chip is disposed on the top plane of the laser box. The top plane is in contact with the upper enclosure part for heat dissipation, so as to help heat generated by the laser chip be conducted to the upper enclosure part via the top plane, so that the heat generated by the laser chip is dissipated not via the silicon photonic chip.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: April 18, 2023
    Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao Du, Yongzheng Tang, Tao Wu, Jianwei Mu, Shaoshuai Sui, Jihong Han, Sitao Chen, Qian Shao
  • Patent number: 11616575
    Abstract: An optical module includes: a casing; a printed circuit board (PCB) connected to a first side wall of the casing and configured to provide first electrical signals to an optical transmitter assembly; the optical transmitter assembly arranged in the casing and configured to convert the first electrical signals into first optical signals; an optical receiver adapter and an optical transmitter adapter arranged outside the casing and connected to a second side wall of the casing, wherein the optical transmitter adapter is configured to receive second optical signals; a first displacement prism arranged in the casing and configured to direct the second optical signals toward an optical receiver assembly; and the optical receiver assembly configured to convert the second optical signals into second electrical signals. At least one component of the optical receiver assembly is arranged in the casing.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 28, 2023
    Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Dan Li, Guangchao Du, Yongzheng Tang, Qinhao Fu
  • Publication number: 20220209499
    Abstract: A laser device includes a case, at least one heat sink, a plurality of laser chips, and at least one prism. The at least one heat sink, the plurality of laser chips, and the at least one prism are all located in the case. Each heat sink and each prism corresponds to one or more laser chips. The laser chip is located on a side of a corresponding heat sink away from the case, and the prism is located on a light-emitting side of one or more corresponding laser chips. The prism is configured to reflect a beam of light emitted by the one or more corresponding laser chips. The heat sink includes a heat dissipation substrate, a heat dissipation layer, an auxiliary layer, and a conductive layer that are disposed in sequence along a direction away from the case.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: Hisense Laser Display Co., Ltd
    Inventors: Zinan ZHOU, Youliang TIAN, Guangchao DU, Jihong HAN
  • Publication number: 20220209495
    Abstract: A laser device includes a case, a support substrate, a plurality of laser chips and at least one prism which are located in the case. The plurality of laser chips and the at least one prism are all located on a side of the support substrate away from the case. The support substrate includes a chip mounting region where the plurality of laser chips are located, and a prism arrangement region where the at least one prism is located, the prism arrangement region being recessed toward the case relative to the chip mounting region. Each prism corresponds to one or more laser chips. Each prism is located on a light-emitting side of corresponding one or more laser chips, and each prism is configured to reflect a beam of light emitted by the corresponding one or more laser chips.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: Hisense Laser Display Co., Ltd
    Inventors: Zinan ZHOU, Youliang TIAN, Guangchao DU, Jihong HAN
  • Patent number: 11294128
    Abstract: An optical module includes a housing, at least one optical assembly and at least one sealing member. The housing includes a housing body, a cover and at least one vent hole therein. At least part of each optical assembly is located in the housing body. Each sealing member is located at a respective one of the at least one vent hole. The sealing member has a central axis and includes a first cylinder, a truncated cone, and a second cylinder, a diameter of the first cylinder is greater than a diameter of the second cylinder. Each vent hole is a stepped hole including a portion with a first aperture and a portion with a second aperture, the first aperture is greater than the second aperture. The first cylinder fits the portion with the first aperture, and the second cylinder fits the portion with the second aperture.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: April 5, 2022
    Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao Du, Dan Li, Yongzheng Tang, Yunpeng Jiang
  • Publication number: 20210239922
    Abstract: An optical module includes an upper shell, a lower shell, a circuit board, a base, a laser assembly and a silicon optical chip. The upper shell and the lower shell form a wrapping cavity. The circuit board is located in the wrapping cavity. The base is located on the circuit board or in a through hole of the circuit board. The laser assembly is located on the base, and is configured to provide light. The silicon optical chip is located on the base, and is configured to receive the light, and modulate the light to convert an electrical signal into an optical signal, and is configured to receive an optical signal from an outside of the optical module and convert the optical signal into an electrical signal.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 5, 2021
    Applicant: Hisense Broadband Multimedia Technologies Co., Ltd.
    Inventors: Guangchao DU, Yongzheng TANG, Tao WU, Jianwei MU, Shaoshuai SUI, Jihong HAN, Sitao CHEN, Qian SHAO, Bangyu YU, Benzheng DONG, Xiangxun SUN, Fabu XU
  • Publication number: 20210149131
    Abstract: An optical module includes a housing, at least one optical assembly and at least one sealing member. The housing includes a housing body, a cover and at least one vent hole therein. At least part of each optical assembly is located in the housing body. Each sealing member is located at a respective one of the at least one vent hole. The sealing member has a central axis and includes a first cylinder, a truncated cone, and a second cylinder, a diameter of the first cylinder is greater than a diameter of the second cylinder. Each vent hole is a stepped hole including a portion with a first aperture and a portion with a second aperture, the first aperture is greater than the second aperture. The first cylinder fits the portion with the first aperture, and the second cylinder fits the portion with the second aperture.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao DU, Dan LI, Yongzheng TANG, Yunpeng JIANG
  • Publication number: 20200328815
    Abstract: An optical module includes: a casing; a printed circuit board (PCB) connected to a first side wall of the casing and configured to provide first electrical signals to an optical transmitter assembly; the optical transmitter assembly arranged in the casing and configured to convert the first electrical signals into first optical signals; an optical receiver adapter and an optical transmitter adapter arranged outside the casing and connected to a second side wall of the casing, wherein the optical transmitter adapter is configured to receive second optical signals; a first displacement prism arranged in the casing and configured to direct the second optical signals toward an optical receiver assembly; and the optical receiver assembly configured to convert the second optical signals into second electrical signals. At least one component of the optical receiver assembly is arranged in the casing.
    Type: Application
    Filed: June 25, 2020
    Publication date: October 15, 2020
    Inventors: Dan LI, Guangchao DU, Yongzheng TANG, Qinhao FU
  • Publication number: 20200295528
    Abstract: This application provides an optical module, and relates to the field of optical communication. An optical module provided in the embodiments of this application includes a laser box and a silicon photonic chip that are enclosed and packaged by an upper enclosure part and a lower enclosure part. The laser box is disposed on and is in contact with the surface of the silicon photonic chip by the side wall or the base. The laser chip is disposed on the top plane of the laser box. The top plane is in contact with the upper enclosure part for heat dissipation, so as to help heat generated by the laser chip be conducted to the upper enclosure part via the top plane, so that the heat generated by the laser chip is dissipated not via the silicon photonic chip.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 17, 2020
    Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Guangchao DU, Yongzheng TANG, Tao WU, Jianwei MU, Shaoshuai SUI, Jihong HAN, Sitao CHEN, Qian SHAO
  • Publication number: 20190346640
    Abstract: An optical module is provided. In some examples, the optical module includes an upper shell, a lower shell, a box and a circuit board, wherein the circuit board and the box are arranged within a chamber formed by the upper shell and the lower shell. The box is internally provided with one or more optical device. A first notch is provided on one of two opposite side walls of the box. The circuit board extends into the box through the first notch and is electrically connected to the optical device inside the box by wire bonding.
    Type: Application
    Filed: June 4, 2019
    Publication date: November 14, 2019
    Inventors: Yifan Xie, Qinhao Fu, Yongzheng Tang, Guangchao Du