Patents by Inventor Wu Liu

Wu Liu 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: 20230005178
    Abstract: A method and an apparatus for retrieving a target are provided. The method may include: obtaining at least one image and a description text of a designated object; extracting image features of the image and text features of the description text by using a pre-trained cross-media feature extraction network; and matching the image features with the text features to determine an image that contains the designated object.
    Type: Application
    Filed: January 22, 2021
    Publication date: January 5, 2023
    Applicants: Beijing Wodong Tianjun Information Technology Co., Ltd, Beijing Jingdong Century Trading Co., Ltd.
    Inventors: Wu Liu, Jiawei Liu, Tao Mei, Kecheng Zheng
  • Publication number: 20220389735
    Abstract: A tent assembly includes two tents spaced from each other in a longitudinal direction. Each tent includes a tent body supported by a tent frame to form a tent space. Each tent body includes two first tent canvases at front and rear ends thereof and spaced from each other in the longitudinal direction. Each tent body further includes two second tent canvases spaced from each other in a transverse direction. Each first tent canvas includes a first access opening. A connecting tent is connected between the two tents and includes a connecting tent body having two connecting tent canvases extending in the longitudinal direction and spaced from each other in the transverse direction. The connecting tent body is connected between two adjacent first tent canvases respectively of the two tents. The connecting tent includes a passageway connected between two adjacent first access openings respectively of the two tents.
    Type: Application
    Filed: June 3, 2021
    Publication date: December 8, 2022
    Inventors: Mun-Wu Liu, Shu-Fang Lee
  • Patent number: 11510319
    Abstract: A connecting structure includes an insulation base, first pads, and second pads. The insulation base includes a first surface, a second surface, and a lateral surface connecting therebetween. First grooves are defined on the first surface, second grooves are defined on the second surface, third grooves are defined on the lateral surface. Each third groove connects one first groove and one second groove. The first pads are deposited in the first grooves. The second pads are deposited in the second grooves. Wiring portions are deposited in the third grooves, each wiring portion connects one first pad and one second pad. A conductive ink layer is coated on the first and the second pads. A protective ink layer is coated on the wiring portions and the insulating base except for the first and the second pads. The first and the second grooves are stepped grooves.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: November 22, 2022
    Assignees: QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD, Avary Holding (Shenzhen) Co., Limited.
    Inventors: Rui-Wu Liu, Ming-Jaan Ho, Man-Zhi Peng
  • Patent number: 11483938
    Abstract: A method for connecting stacked circuit boards includes: a connecting structure is provided, the connecting structure is a bendable and flexible circuit board; a first circuit board and a plurality of supporting posts are provided, each of the supporting posts is dispersedly fixed to a side surface of the first circuit board; a second circuit board is provided, and two peripheral portions of the connecting structure are respectively fixed to the first circuit board and the second circuit board, the peripheral portions of the connecting structure are respectively near two opposite ends of the connecting structure; the connecting structure is bent to flip the second circuit board super-positioned above the first circuit board, and the second circuit board is connected to a free end of each of the supporting posts.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 25, 2022
    Assignees: Avary Holding (Shenzhen) Co., Limited., HongQiSheng Precision Electronics (QinHuangDao) Co., Ltd.
    Inventors: Rui-Wu Liu, Ming-Jaan Ho, Man-Zhi Peng
  • Publication number: 20220336230
    Abstract: An interposer, which is used to connect two circuit boards, includes an inner structure (10), an outer structure (20), and a protective layer (50). The inner structure (10) includes a first base layer (11) and a first wiring layer (131) formed on the first base layer (11). The outer structure (20) includes a second base layer (21) and a second wiring layer (231) formed on the second base layer (21). An end portion of at least wiring line of the first wiring layer (131) and the second wiring layer (231) extends to a sidewall of the interposer (100). An end of another wiring line extends to the other sidewall of the interposer (100). The first wiring layer (131) is electrically connected to the second wiring layer (231) by a conductive blind hole (41).
    Type: Application
    Filed: September 27, 2019
    Publication date: October 20, 2022
    Inventors: MAN-ZHI PENG, RUI-WU LIU, SI XIONG, LIN-JIE GAO
  • Publication number: 20220232152
    Abstract: A camera module of reduced size includes a baseplate, an image sensor on the baseplate, a mounting bracket with a through hole, and a circuit board. An inner wall of the through hole extends towards a central axis of the through hole to form a platform, a side of the mounting bracket adjacent to the platform extends outward to form a connecting portion. A multilayer coil, a capacitor, and a resistor are formed on the mounting bracket by laser direct structuring, the multilayer coil is of encircling coils arranged from inside to outside on the mounting bracket and surrounds the through hole. The circuit board is connected with the mounting bracket through the connecting portion. A method for manufacturing a lens module is also disclosed.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 21, 2022
    Inventors: MAN-ZHI PENG, RUI-WU LIU, JIA-HE LI
  • Publication number: 20220198821
    Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Inventors: CHUN TE CHANG, CHUNG WU LIU, MING CHIANG YU, CHIA YUAN WU
  • Publication number: 20220198816
    Abstract: Embodiments of the present application disclose a method and apparatus for detecting a body. A particular embodiment of the method comprises: acquiring a set of candidate body image region in a target image; for a candidate body image region in the set of candidate body image region: acquiring position information and confidences of candidate body key points in the candidate body image region; determining the candidate body key points within a body contour according to body contour information in the candidate body image region and the acquired position information; and determining a confidence score of the candidate body image region according to a sum of the confidences of the candidate body key points within the body contour; and determining a body image region from the set of candidate body image regions according to the confidence scores of the candidate body image regions in set of the candidate body image regions.
    Type: Application
    Filed: March 26, 2020
    Publication date: June 23, 2022
    Inventors: Qian BAO, Wu LIU, Tao MEl
  • Publication number: 20220165709
    Abstract: A stacked semiconductor package has a substrate, a first chip, at least one spacer, a second chip and an encapsulation. The first chip and the second chip are intersecting stacked on the substrate. The at least one spacer is stacked on the substrate to support the second chip. The encapsulation is formed to encapsulate the substrate, the first chip, the at least one spacer and the second chip. The at least one spacer is made of the material of the encapsulation. Therefore, the adhesion between the at least one spacer and the encapsulation is enhanced to avoid the delamination during the reliability test and enhances the reliability of the stacked semiconductor package.
    Type: Application
    Filed: March 23, 2021
    Publication date: May 26, 2022
    Applicant: Powertech Technology Inc.
    Inventors: Yin-Huang KUNG, Chia-Hung LIN, Fu-Yuan YAO, Chun-Wu LIU
  • Patent number: 11310922
    Abstract: A board-to-board connecting structure which adds no significant thickness to a single printed circuit board includes a first circuit board and a second circuit board. The first circuit board includes first circuit substrate, adhesive layer, and second circuit substrate. The first circuit substrate includes first base layer, first inner wiring layer with first pad, and first outer wiring layer defining a receiving space. The second circuit substrate includes insulating layer and two second outer wiring layers. A conductive via in the second circuit substrate connects the two second outer wiring layers. The second circuit board includes second base layer and also two third outer wiring layers each with a second pad. The second circuit board is laterally disposed in the receiving space and one second pad connects to the conductive via and the other to the first pad.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: April 19, 2022
    Assignees: Avary Holding (Shenzhen) Co., Limited., QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD
    Inventors: Rui-Wu Liu, Man-Zhi Peng
  • Patent number: 11308728
    Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 19, 2022
    Assignees: Interface Technology (Chengdu) Co., Ltd., Interface Optoelectronics (Shenzhen) Co., Ltd., General Interface Solution Limited
    Inventors: Chun-Te Chang, Chung-Wu Liu, Ming Chang Yu, Chia Yuan Wu
  • Publication number: 20220087020
    Abstract: Disclosure provides an adapter board and a method for making the adapter board, which includes providing a mold in which a plurality of first fixing plates and second fixing plates are provided, providing a plurality of wires sequentially passed through the plurality of first fixing plates and the second fixing plate, injecting a non-conductive material into the cavity to form a body, and cutting the body along both sides of the first fixing plates and the second fixing plates to obtain a plurality of board bodies. The first fixing plates are provided with a plurality of first fixing holes, and the second fixing plates are provided with a plurality of second fixing holes. The board body includes a first surface and a second surface. A plurality of first connection pads are formed on the first surface, and a plurality of second connection pads are formed on the second surface.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: MAN-ZHI PENG, RUI-WU LIU, MING-JAAN HO
  • Publication number: 20220076227
    Abstract: The present disclosure provides a self-service settlement method, apparatus and storage medium, and relates to the technical field of self-service shopping, wherein the method includes: obtaining a monitoring image acquired by an image capture device and corresponding to commodities to be settled which are placed on a settlement counter; obtaining information of the commodities to be settled through image recognition; obtaining a first weight acquired by a weight detection device, obtaining a second weight based on the information of the commodities to be settled, judging whether the information of the commodities to be settled is matched with commodities to be confirmed according to a weight comparison result; and obtaining purchased commodity settlement information under the condition that the information of the commodities to be settled is matched with the commodities to be confirmed, and performing checkout processing.
    Type: Application
    Filed: July 26, 2019
    Publication date: March 10, 2022
    Applicants: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO, LTD., BEIJING JINGDONG CENTURY TRADING CO., LTD.
    Inventors: Hailin SHI, He ZHAO, Wu LIU, Tao MEI, Bowen ZHOU
  • Publication number: 20220061167
    Abstract: A board-to-board connecting structure which adds no significant thickness to a single printed circuit board includes a first circuit board and a second circuit board. The first circuit board includes first circuit substrate, adhesive layer, and second circuit substrate. The first circuit substrate includes first base layer, first inner wiring layer with first pad, and first outer wiring layer defining a receiving space. The second circuit substrate includes insulating layer and two second outer wiring layers. A conductive via in the second circuit substrate connects the two second outer wiring layers. The second circuit board includes second base layer and also two third outer wiring layers each with a second pad. The second circuit board is laterally disposed in the receiving space and one second pad connects to the conductive via and the other to the first pad.
    Type: Application
    Filed: September 22, 2020
    Publication date: February 24, 2022
    Inventors: RUI-WU LIU, MAN-ZHI PENG
  • Patent number: 11257706
    Abstract: Embodiments of apparatus for flipping a semiconductor device and method of using the same are disclosed. In an example, an apparatus for flipping a semiconductor device includes at least one fixture and a rotation unit connected to the at least one fixture. The at least one fixture is configured to hold the semiconductor device by simultaneously pressing a first surface and a second surface of the semiconductor device. The first surface is opposite to the second surface. The rotation unit is configured to rotate the at least one fixture to flip the semiconductor device held by the at least one fixture.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: February 22, 2022
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Mengyong Liu, Tao Tao Ding, Wu Liu, Rui Yuan Xing, Guoliang Chen
  • Patent number: 11252818
    Abstract: A method for manufacturing a printed circuit board (PCB) with high component density includes at least two reinforcing plates, at least two connecting plates, a first circuit board unit, and a second circuit board unit. The reinforcing plate includes a supporting portion, a first connecting portion, and a second connecting portion. The first connecting portion and the second connecting portion connect to ends of the supporting portion. The connecting plates are bendable circuit boards. Each connecting plate is attached to the supporting portion, the first connecting portion, and the second connecting portion of a reinforcing plate. The first circuit board unit is fixed and electrically connected to a connecting plate away from first connecting portion. The second circuit board unit is fixed and electrically connected to a connecting plate away from the second connecting portion.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: February 15, 2022
    Assignees: Avary Holding (Shenzhen) Co., Limited., HongQiSheng Precision Electronics (QinHuangDao) Co., Ltd.
    Inventors: Rui-Wu Liu, Ming-Jaan Ho, Lei Zhou, Man-Zhi Peng
  • Publication number: 20220008926
    Abstract: The present invention provides microfluidic devices capable of sequestering single particles in individual microchambers and isolating the particles from one another. The devices provide a plurality of channels fluidly connected to a plurality of microchambers. A fluid suspension comprising particles of interest can be passed through the devices in a first direction to sequester single particles in each microchamber. An isolating fluid can be passed through the devices in a second, reverse direction to isolate the particles from one another. The devices can selectively isolate several particles in each microchamber.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 13, 2022
    Applicant: The Penn State Research Foundation
    Inventors: Craig Eugene Cameron, Wu Liu
  • Publication number: 20210289628
    Abstract: A connecting structure includes an insulation base, first pads, and second pads. The insulation base includes a first surface, a second surface, and a lateral surface connecting therebetween. First grooves are defined on the first surface, second grooves are defined on the second surface, third grooves are defined on the lateral surface. Each third groove connects one first groove and one second groove. The first pads are deposited in the first grooves. The second pads are deposited in the second grooves. Wiring portions are deposited in the third grooves, each wiring portion connects one first pad and one second pad. A conductive ink layer is coated on the first and the second pads. A protective ink layer is coated on the wiring portions and the insulating base except for the first and the second pads. The first and the second grooves are stepped grooves.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 16, 2021
    Inventors: Rui-Wu LIU, Ming-Jaan HO, Man-Zhi PENG
  • Publication number: 20210235581
    Abstract: Disclosure provides an adaptor board and a method for making the adapter board, which includes providing a mold in which a plurality of first fixing plates and second fixing plates are provided, providing a plurality of wires sequentially passed through the plurality of first fixing plates and the second fixing plate, injecting a non-conductive material into the cavity to form a body, and cutting the body along both sides of the first fixing plates and the second fixing plates to obtain a plurality of board bodies. The first fixing plates are provided with a plurality of first fixing holes, and the second fixing plates are provided with a plurality of second fixing holes. The board body includes a first surface and a second surface. A plurality of first connection pads are formed on the first surface, and a plurality of second connection pads are formed on the second surface.
    Type: Application
    Filed: April 23, 2019
    Publication date: July 29, 2021
    Inventors: MAN-ZHI PENG, RUI-WU LIU, MING-JAAN HO
  • Patent number: 11051404
    Abstract: A method for connecting stacked circuit boards provides an insulation base as a hollowed annular plate and which has a first surface, a second surface, and a lateral surface. The insulating base defines stepped first grooves on the first surface, stepped second grooves on the second surface, and third grooves on the lateral surface. Insulating base is plated to deposit first pads in the first grooves, second pads in the second grooves, and wiring portions in the third grooves to connect first and second pads. Conductive ink layer is coated on first and second pads, and protective ink layer is coated on wiring portions and insulating base except for first and second pads. First and second circuit boards are provided for attachment to first and second pads respectively. A connecting structure is also provided.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: June 29, 2021
    Assignees: QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD, Avary Holding (Shenzhen) Co., Limited.
    Inventors: Rui-Wu Liu, Ming-Jaan Ho, Man-Zhi Peng