Patents by Inventor Liang Ding

Liang Ding 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: 20210385000
    Abstract: An in-packaged multi-channel light engine is packaged for four or more sub-assemblies of optical-electrical sub-modules. Each is assembled with at least four laser chips, one or more driver chip, and one or more trans-impedance amplifier (TIA) chip separately flip-mounted on a silicon photonics interposer and is coupled to an optical interface block and an electrical interface block on a sub-module substrate. The in-packaged multi-channel light engine further includes a first frame fixture holding the four or more sub-assemblies and a second frame fixture configured to hold the first frame fixture with the four or more sub-assemblies. The in-packaged multi-channel light engine further includes an interposer plate inserted between the sub-module substrates and a module substrate and is compressed between a backplate member attached to a bottom side of the module substrate and a top plate member configured as a heatsink with a plurality of fin structures.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 9, 2021
    Inventors: Radhakrishnan L. NAGARAJAN, Liang DING, Mark PATTERSON, Roberto COCCIOLI
  • Publication number: 20210384989
    Abstract: A co-packaged optical module includes a substrate, a processor arranged on the substrate and a plurality of light engines mounted around the processor on the substrate using mounting assemblies configured to attach the respective light engines to the substrate. The light engines and the mounting assemblies are disposed along a perimeter of the substrate, including at corners of the substrate. Each of the mounting assemblies includes a socket, a metal clamp clamping a corresponding one of the light engines into the socket, and a plurality of pins which when mated with corresponding holes in the substrate cause peripheries of the mounting assemblies, including the light engines, the sockets and the metal clamps, to be flush with the perimeter of the substrate.
    Type: Application
    Filed: August 10, 2021
    Publication date: December 9, 2021
    Inventors: Radhakrashnan L. NAGARAJAN, Liang DING, Mark PATTERSON, Roberto COCCIOLI, Steve ABOAGYE
  • Patent number: 11195329
    Abstract: A terrain modeling method that fuses geometric characteristics and mechanical characteristics, and a terrain modeling system are provided in the present invention. The method includes steps of: obtaining color images and depth images of the detected region, performing a terrain semantic segmentation on the color images, and fusing ground semantic information obtained by the semantic segmentation and depth information contained in the depth images at the same time to generate the point clouds; mapping the point clouds to a raster map in a map coordinate system to generate corresponding rasters, and updating the elevation values to the corresponding rasters; and calculating the input images in terms of terra-mechanical characteristics, and updating calculation results to the corresponding rasters to generate a terrain model.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: December 7, 2021
    Assignee: HARBIN INSTITUTE OF TECHNOLOGY
    Inventors: Liang Ding, Zongquan Deng, Ruyi Zhou, Haibo Gao, Wenhao Feng, Peng Xu, Nan Li, Zhen Liu
  • Patent number: 11178473
    Abstract: A co-packaged optical-electrical module includes a module substrate with a minimum lateral dimension no greater than 100 mm. The co-packaged optical-electrical module further includes a main die with a processor chip disposed at a central region of the module substrate, the processor chip being configured to operate with a digital-signal processing (DSP) interface for extra-short-reach data interconnect. Additionally, the co-packaged optical-electrical module includes a plurality of chiplet dies disposed densely along a peripheral region of the module substrate. Each chiplet die is configured to be self-packaged light engine on a sub-module substrate with a minimum lateral dimension to allow a maximum number of chiplet dies on the module substrate with a distance of any chiplet die from the main die smaller than 50 mm for extra-short-reach interconnect operation.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 16, 2021
    Assignee: MARVELL ASIA PTE, LTD.
    Inventors: Radhakrishnan L. Nagarajan, Liang Ding, Mark Patterson, Roberto Coccioli, Steve Aboagye
  • Patent number: 11165509
    Abstract: A method for co-packaging multiple light engines in a switch module is provided. The method includes providing a module substrate with a minimum lateral dimension no greater than 110 mm. The module substrate is configured with a first mounting site at a center region and a plurality of second mounting sites distributed densely along the peripheral sides. The method includes disposing a main die with a switch processor chip at the first mounting site. The switch processor chip is configured to operate with a digital-signal processing (DSP) interface for extra-short-reach data interconnect. The method further includes mounting a plurality of chiplet dies respectively into the plurality of second mounting sites. Each chiplet die is configured to be a packaged light engine with a minimum lateral dimension to allow a maximum number of chiplet dies with <50 mm from the main die for extra-short-reach data interconnect.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 2, 2021
    Assignee: MARVELL ASIA PTE, LTD.
    Inventors: Radhakrishnan L. Nagarajan, Liang Ding, Mark Patterson, Roberto Coccioli, Steve Aboagye
  • Patent number: 11163216
    Abstract: An array imaging module includes at least two optical lenses and a molded photosensitive assembly, wherein the molded photosensitive assembly includes at least two photosensitive units, a circuit board that electrically couples to the photosensitive units, and a molded base having at least two optical windows. The molded base is integrally coupled at the circuit board at a peripheral portion thereof, wherein the photosensitive units are aligned with the optical windows respectively. The optical lenses are located along two photosensitive paths of the photosensitive units respectively, such that each of the optical windows forms a light channel through the corresponding photosensitive unit and the corresponding optical lens.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: November 2, 2021
    Assignee: NINGBO SUNNY OPOTECH CO., LTD.
    Inventors: Mingzhu Wang, Bojie Zhao, Takehiko Tanaka, Zhenyu Chen, Nan Guo, Zhen Huang, Duanliang Cheng, Liang Ding, Feifan Chen, Heng Jiang
  • Patent number: 11120570
    Abstract: A method for obtaining road marking data and a device thereof are provided. The method includes steps of: obtaining coordinates of calibration references on a to-be-marked road; importing the coordinates of the calibration references into an electronic image of the to-be-marked road; determining, according to a difference between the coordinates of the calibration references and coordinates of to-be-calibrated points corresponding to the calibration references in a road image included in the electronic image, whether to perform a calibration on the coordinates of the to-be-calibrated points; and when the difference is greater than a threshold, performing the calibration on the coordinates of the to-be-calibrated points, and using calibrated coordinates of the to-be-calibrated points as road marking data. By applying the present disclosure, the accuracy of road marking data can be improved.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: September 14, 2021
    Assignee: HRG INTERNATIONAL INSTITUTE FOR RESEARCH & INNOVATION
    Inventors: Hsiencheng Lee, Chenxu Jiang, Yuan Cao, Zhenzhong Yu, Liang Ding, Fuchen Zhao, Kerui Xia, Quan Wang, Long Guo
  • Patent number: 11109515
    Abstract: An integrated heatsink for a co-packaged optical-electrical module includes a base plate attached on top of a co-packaged optical-electrical module. The integrated heatsink further includes a plurality of fin structures extended upward from the base plate except a central cavity region with missing sections of fins, each fin extended along an axial direction from a front edge to a back edge of the base plate except some trenches shallow in depth across some fin structures and some other trenches deep in depth down to the base plate either along or across some fin structures. Additionally, the integrated heatsink includes multiple heat pipes including shaped portions embedded in the trenches in the plurality of fin structures. At least one bottom horizontal portion per heat pipe is brazed to the base plate in a corresponding region that is superimposed on hot spots of the co-packaged optical-electrical module under the base plate.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: August 31, 2021
    Assignee: INPHI CORPORATION
    Inventors: Radhakrishnan L. Nagarajan, Liang Ding, Mark Patterson, Roberto Coccioli, Steve Aboagye
  • Patent number: 11099353
    Abstract: An adjustable optical lens and camera module, and manufacturing method and applications thereof is disclosed. The camera module includes an optical sensor and an adjustable optical lens. The adjustable optical lens includes an optical structural member and at least two lenses, wherein each of the lenses is arranged in an internal space of the optical structural member. Along a vertical direction of the optical structural member, at least one lens is adapted to be adjustably pre-mounted to an internal space of the optical structural member serving as an adjustable lens. The side wall of the optical structural member is provided with at least one adjustment channel, which is positioned corresponding to the adjustable lens, so that an assembling position of the adjustable lens can be adjusted through the adjustment channel so as to align a central axis line of the adjustable optical lens with a central axis line of the optical sensor.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: August 24, 2021
    Assignee: Ningbo Sunny Opotech Co., Ltd.
    Inventors: Mingzhu Wang, Bojie Zhao, Heng Jiang, Liang Ding, Feifan Chen, Chunmei Liu, Nan Guo, Shoujie Wang
  • Patent number: 11091238
    Abstract: A leg-arm-paddle underwater robot is provided in the present invention, which includes: a frame, an operating mechanism, a traveling mechanism, and a propulsion mechanism. The traveling mechanism is adapted to enable the leg-arm-paddle composite underwater robot to travel. The propulsion mechanism is adapted to enable the leg-arm-paddle composite underwater robot to float in water. The operating mechanism includes a first robot arm, a second robot arm, and a first mounting base, wherein the first mounting base is detachably connected to the frame. Both the first robot arm and the second robot arm are rotatably connected to the first mounting base, and rotation centers of the first robot arm and the second robot arm are the same. The operating mechanism of the leg-arm-paddle composite underwater robot has a compact structure and a large working range. The leg-arm-paddle composite underwater robot has reduced volume, enhanced operation capability, wide applicability, and strong practicability.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: August 17, 2021
    Assignee: HARBIN INSTITUTE OF TECHNOLOGY
    Inventors: Haibo Gao, Liang Ding, Xiuwen Bi, Yiqun Liu, Jingming Zhang, Liyuan Ge, Zongquan Deng, Haitao Yu
  • Publication number: 20210250474
    Abstract: A camera module includes an optical lens, a light-sensitive chip and an electrical support. The electrical support includes a circuit module embedded in a support body to form an integral structure, a connecting member provided on the support body to electrically connect with the circuit module, and a camera component coupled at the support body and electrically connected to the connecting member. Therefore, the electrical support not only forms a circuit board to electrically connect with the camera component but only serves as a base to support the camera component.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Mingzhu WANG, Bojie ZHAO, Feifan CHEN, Liang DING, Nan GUO, Ye WU, Heng JIANG
  • Patent number: 11025805
    Abstract: A camera module includes an optical lens, a photosensitive chip and an electrical support. The electrical support includes a circuit module embedded in a support body to form an integral structure, a connecting member provided on the support body to electrically connect with the circuit module, and a camera component coupled at the support body and electrically connected to the connecting member. Therefore, the electrical support not only forms a circuit board to electrically connect with the camera component but only serves as a base to support the camera component.
    Type: Grant
    Filed: June 30, 2019
    Date of Patent: June 1, 2021
    Assignee: Ningbo Sunny Opotech Co., Ltd.
    Inventors: Mingzhu Wang, Bojie Zhao, Feifan Chen, Liang Ding, Nan Guo, Ye Wu, Heng Jiang
  • Publication number: 20210132318
    Abstract: An adjustable optical lens and camera module and manufacturing method thereof are provided, wherein the camera module includes an optical sensor and an adjustable optical lens. The adjustable optical lens, which is arranged in a photosensitive path of the optical sensor, includes an optical structural member and at least two lenses. Each of the lens is arranged in an internal space of the optical structural member along an axial direction of the optical structural member, wherein before packaging the adjustable optical lens and the optical sensor, at least one position of the lens in the internal space of the optical structural member is able to be adjusted, so that a central axis line of the adjustable optical lens and a central axis line of the optical sensor are coincided, so as to improve the image quality of the camera module.
    Type: Application
    Filed: January 8, 2021
    Publication date: May 6, 2021
    Inventors: Mingzhu WANG, Bojie ZHAO, Liang DING, Chunmei LIU, Feifan CHEN, Nan GUO, Heng JIANG
  • Patent number: 10976514
    Abstract: An adjustable optical lens and camera module and manufacturing method thereof are provided, wherein the camera module includes an optical sensor and an adjustable optical lens. The adjustable optical lens, which is arranged in a photosensitive path of the optical sensor, includes an optical structural member and at least two lenses. Each of the lens is arranged in an internal space of the optical structural member along an axial direction of the optical structural member, wherein before packaging the adjustable optical lens and the optical sensor, at least one position of the lens in the internal space of the optical structural member is able to be adjusted, so that a central axis line of the adjustable optical lens and a central axis line of the optical sensor are coincided, so as to improve the image quality of the camera module.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: April 13, 2021
    Assignee: Ningbo Sunny Opotech Co., Ltd.
    Inventors: Mingzhu Wang, Bojie Zhao, Liang Ding, Chunmei Liu, Feifan Chen, Nan Guo, Heng Jiang
  • Publication number: 20210088696
    Abstract: An array imaging module includes a molded photosensitive assembly which includes a supporting member, at least a circuit board, at least two photosensitive units, at least two lead wires, and a mold sealer. The photosensitive units are coupled at the chip coupling area of the circuit board. The lead wires are electrically connected the photosensitive units at the chip coupling area of the circuit board. The mold sealer includes a main mold body and has two optical windows. When the main mold body is formed, the lead wires, the circuit board and the photosensitive units are sealed and molded by the main mold body of the mold sealer, such that after the main mold body is formed, the main mold body and at least a portion of the circuit board are integrally formed together at a position that the photosensitive units are aligned with the optical windows respectively.
    Type: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: Mingzhu WANG, Bojie Zhao, Takehiko Tanaka, Nan GUO, Zhenyu CHEN, Heng JIANG, Zhongyu LUAN, Fengsheng XI, Feifan CHEN, Liang DING
  • Publication number: 20210055629
    Abstract: An array imaging module includes at least two optical lenses and a molded photosensitive assembly, wherein the molded photosensitive assembly includes at least two photosensitive units, a circuit board that electrically couples to the photosensitive units, and a molded base having at least two optical windows. The molded base is integrally coupled at the circuit board at a peripheral portion thereof, wherein the photosensitive units are aligned with the optical windows respectively. The optical lenses are located along two photosensitive paths of the photosensitive units respectively, such that each of the optical windows forms a light channel through the corresponding photosensitive unit and the corresponding optical lens.
    Type: Application
    Filed: April 22, 2020
    Publication date: February 25, 2021
    Inventors: Mingzhu WANG, Bojie ZHAO, Takehiko Tanaka, Zhenyu CHEN, Nan GUO, Zhen HUANG, Duanliang CHENG, Liang DING, Feifan CHEN, Heng JIANG
  • Patent number: 10928605
    Abstract: An adjustable optical lens and camera module and manufacturing method thereof are provided, wherein the camera module includes an optical sensor and an adjustable optical lens. The adjustable optical lens, which is arranged in a photosensitive path of the optical sensor, includes an optical structural member and at least two lenses. Each of the lens is arranged in an internal space of the optical structural member along an axial direction of the optical structural member, wherein before packaging the adjustable optical lens and the optical sensor, at least one position of the lens in the internal space of the optical structural member is able to be adjusted, so that a central axis line of the adjustable optical lens and a central axis line of the optical sensor are coincided, so as to improve the image quality of the camera module.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: February 23, 2021
    Assignee: Ningbo Sunny Opotech Co., Ltd.
    Inventors: Mingzhu Wang, Bojie Zhao, Liang Ding, Chunmei Liu, Feifan Chen, Nan Guo, Heng Jiang
  • Patent number: 10924269
    Abstract: A compact optical transceiver formed by hybrid multichip integration. The optical transceiver includes a Si-photonics chip attached on a PCB. Additionally, the optical transceiver includes a first TSV interposer and a second TSV interposer separately attached nearby the Si-photonics chip on the PCB. Furthermore, the optical transceiver includes a driver chip flip-bonded partially on the Si-photonics chip through a first sets of bumps and partially on the first TSV interposer through a second sets of bumps. Moreover, the optical transceiver includes a transimpedance amplifier module chip flip-bonded partially on the Si-photonics chip through a third sets of bumps and partially on the second TSV interposer through a fourth set of bumps.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: February 16, 2021
    Assignee: INPHI CORPORATION
    Inventors: Liang Ding, Radhakrishnan L. Nagarajan, Roberto Coccioli
  • Patent number: 10908324
    Abstract: An array imaging module includes a molded photosensitive assembly which includes a supporting member, at least a circuit board, at least two photosensitive units, at least two lead wires, and a mold sealer. The photosensitive units are coupled at the chip coupling area of the circuit board. The lead wires are electrically connected the photosensitive units at the chip coupling area of the circuit board. The mold sealer includes a main mold body and has two optical windows. When the main mold body is formed, the lead wires, the circuit board and the photosensitive units are sealed and molded by the main mold body of the mold sealer, such that after the main mold body is formed, the main mold body and at least a portion of the circuit board are integrally formed together at a position that the photosensitive units are aligned with the optical windows respectively.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: February 2, 2021
    Assignee: Ningbo Sunny Opotech Co., Ltd.
    Inventors: Mingzhu Wang, Bojie Zhao, Takehiko Tanaka, Nan Guo, Zhenyu Chen, Heng Jiang, Zhongyu Luan, Fengsheng Xi, Feifan Chen, Liang Ding
  • Publication number: 20210011786
    Abstract: An operation method of robot operating system and a robot control method are provided in this invention. The operation method of robot operating system includes steps of: monitoring an operating state of the Linux kernel through the security kernel when the security kernel and the Linux kernel of the robot operating system are both started; and hosting the Linux kernel through the security kernel when the Linux kernel runs abnormally or crashes. The technical scheme of the present invention is able to improve stability and safety of the robot operation.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: HRG International Institute for Research & Innovation
    Inventors: Fei WANG, Liang DING, Kerui XIA, Zhenzhong YU, Yanan ZHANG, Qi HOU, Chao PENG, Taogeng ZHANG, Xiaolong LI