Patents by Inventor Chung Liu

Chung 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).

  • Patent number: 11561635
    Abstract: An integrated touch module and a touch display device are provided. The integrated touch module has a touch sensing structure formed on a polymer film. The polymer film, a liquid crystal phase retardation layer, and a linear polarizing layer constitute a circular polarizing element. The average reflectance of the circular polarizing element in the visible light range is less than 5%, and the standard deviation of the reflectance is less than 0.2%. The touch display device includes the integrated touch module.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: January 24, 2023
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ming-Chung Liu, Yi-Lung Yang, Ya-Chin Chang, Po-Yu Hsiao, Xue-Fen Wang, Sheng-Fa Liu, Wei-Chou Chen
  • Patent number: 11554506
    Abstract: A device for measuring repeated positioning precision of a robotic arm is introduced. Using an optical speckle three-dimensional displacement sensor developed by the inventor, and with collaboration of an optical speckle image three-dimensional positioning base built with an optical speckle coordinate database and having low thermal expansion, an optical speckle three-dimensional absolute positioning space is established. The optical speckle three-dimensional displacement sensor is installed on an end effector of a robotic arm, the robotic arm is moved to have the optical speckle three-dimensional displacement sensor enter an optical speckle three-dimensional absolute positioning space, an optical speckle image of a positioning point is captured and compared with a coordinate optical speckle image in the optical speckle coordinate database, and current three-dimensional absolute positioning coordinates of the end effector of the robotic arm can be obtained.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 17, 2023
    Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yi-Yuh Hwang, Li-Chung Liu
  • Publication number: 20220415648
    Abstract: Semiconductor processing methods are described that include providing a substrate to a reaction chamber, where the substrate includes substrate trenches that have a top surface and a bottom surface. A deposition gas that includes a carbon-containing gas and a nitrogen-containing gas flows into a plasma excitation region of the reaction chamber. A deposition plasma having an electron temperature less than or about 4 eV is generated from the deposition gas. The methods further include depositing a carbon-containing layer on the top surface and the bottom surface of the substrate trenches, where the as-deposited carbon-containing layer has a top surface-to-bottom surface thickness ratio of greater than or about 3:1. Also described are semiconductor structures that include an as-deposited carbon-containing layer on the top and bottom surface of at least a first and second trench, where the carbon-containing layer has a top surface-to-bottom surface thickness ratio of greater than or about 3:1.
    Type: Application
    Filed: June 28, 2021
    Publication date: December 29, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Abhijeet S. Bagal, Qian Fu, Kuan-Ting Liu, Chung Liu
  • Publication number: 20220404908
    Abstract: The present disclosure provides a body-part tracking device and a body-part tracking method. The body-part tracking device includes a first electronic component and a first antenna element. The first antenna element is electrically connected to the first electronic component and configured to receive a first wave. The first electronic component is configured to, in response to the first wave, transmit a second wave.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 22, 2022
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Chi Sheng TSENG, Lu-Ming LAI, Hui-Chung LIU, I Hung WU, Kai-Sheng PAI
  • Patent number: 11527671
    Abstract: An optical package structure includes a substrate, an emitter, a first detector and a light-absorption material. The substrate has a first surface and a second surface opposite to the first surface, the substrate includes a via defining a third surface extending from the first surface to the second surface. The emitter is disposed on the first surface of the substrate. The first detector is disposed on the first surface and aligned with the via of the substrate. The light-absorption material is disposed on the third surface of the substrate.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: December 13, 2022
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Chi Sheng Tseng, Hui-Chung Liu, Ching-Han Huang
  • Publication number: 20220357609
    Abstract: A touch element includes a polymer phase retardation layer and a touch sensing structure. The polymer phase retardation layer receives the linearly polarized incident light and then produces a phase difference. The touch sensing structure is disposed on the polymer phase retardation layer.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 10, 2022
    Inventors: Ming-Chung Liu, Yi-Lung Yang, Sheng-Fa Liu, Chun-Chi Lin, Wei-Chou Chen, Chun-Hung Chu
  • Patent number: 11476956
    Abstract: A compact antenna test range equipment of the invention includes a microwave darkroom including a plurality of walls connected to each other, a reflector disposed in the microwave darkroom and comprising a reflecting surface having a polygon shape comprising a plurality of edges and a plurality of corners, each of the corners is located between two of the edges, wherein each of the corners aiming at one of the walls, a feeding antenna disposed in the microwave darkroom and corresponding to any position of the reflecting surface, and a test turning table disposed in the microwave darkroom and configured to bear a testing piece which is disposed in a quiet zone and exited by a plane electromagnetic wave. The feeding antenna transmits electromagnetic waves to the reflecting surface so as to generate a plane electromagnetic waves or receive electromagnetic waves from the quiet zone.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: October 18, 2022
    Assignee: WAVEPRO INCORPORATED
    Inventor: Rong-Chung Liu
  • Publication number: 20220314468
    Abstract: A device for measuring repeated positioning precision of a robotic arm is introduced. Using an optical speckle three-dimensional displacement sensor developed by the inventor, and with collaboration of an optical speckle image three-dimensional positioning base built with an optical speckle coordinate database and having low thermal expansion, an optical speckle three-dimensional absolute positioning space is established. The optical speckle three-dimensional displacement sensor is installed on an end effector of a robotic arm, the robotic arm is moved to have the optical speckle three-dimensional displacement sensor enter an optical speckle three-dimensional absolute positioning space, an optical speckle image of a positioning point is captured and compared with a coordinate optical speckle image in the optical speckle coordinate database, and current three-dimensional absolute positioning coordinates of the end effector of the robotic arm can be obtained.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Inventors: Yi-Yuh Hwang, Li-Chung Liu
  • Publication number: 20220303029
    Abstract: A compact antenna test range equipment of the invention includes a microwave darkroom including a plurality of walls connected to each other, a reflector disposed in the microwave darkroom and comprising a reflecting surface having a polygon shape comprising a plurality of edges and a plurality of corners, each of the corners is located between two of the edges, wherein each of the corners aiming at one of the walls, a feeding antenna disposed in the microwave darkroom and corresponding to any position of the reflecting surface, and a test turning table disposed in the microwave darkroom and configured to bear a testing piece which is disposed in a quiet zone and exited by a plane electromagnetic wave. The feeding antenna transmits electromagnetic waves to the reflecting surface so as to generate a plane electromagnetic waves or receive electromagnetic waves from the quiet zone.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 22, 2022
    Inventor: Rong-Chung LIU
  • Patent number: 11442427
    Abstract: The present invention provides a planar three-dimensional displacement sensor for a multiaxis machining device. With the measurement of the (planar) three-dimensional displacement sensor in the multiaxis machining device, the multiaxis machining device and a multiaxis machining compensation method are able to eliminate various deformation effects effectively.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: September 13, 2022
    Assignee: National Chung-Shan Institute of Science and Technology
    Inventors: Yi-Yuh Hwang, Li-Chung Liu
  • Patent number: 11435635
    Abstract: A thin film transistor substrate allowing an increase in proportionate size of the display area includes gate driving units, signal test pads, a first function line, and a first-stage gate output signal line in a surrounding non-display area, the display area having pixels. The gate driving units include a first-stage gate driving unit with an output terminal electrically connected to one row of pixels. The first function line has a first function but can also multiplex as a connecting line between the first-stage gate output signal line and one test pad. The first-stage gate output signal line is electrically insulated from the first function line during the first function of the first function line but is electrically connected to the first function line when multiplexed.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: September 6, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Qi Xu, Ya-Ke Zhang, Sheng Xiao, Tao Wang, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 11434387
    Abstract: The invention provides a process for producing a printed article wherein a deposit liquid is provided to a substrate together with a carrier liquid. Also provided is a printed article obtained or obtainable by the process of the invention, such as a printed article. The invention further provides an apparatus suitable for carrying out the process of the invention, comprising devices configured to provide a flow of each of the deposit liquid and carrier liquid to a substrate, a flow channel for carrying each of the said liquids and an aperture through which at least the deposit liquid must pass. In some embodiments, the process of the invention is performed using the apparatus of the invention. The invention therefore also provides the use of the apparatus of the invention to perform the process of the invention.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: September 6, 2022
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Andrew Watt, Wing Chung Liu
  • Patent number: 11404788
    Abstract: An antenna element comprises one or more directors, a resonator, and a three dimensional ground assembly. Parts of the antenna element are arranged on three metal layers. A top layer has an unconnected metal bar which forms a beam director, a resonator and a top part of the ground assembly. The resonator is an integral piece substantially in the form of a loop connected to a feed line and a feed line terminal ending. The feed line terminal ending serves as the ground plane for the feed line as well as providing impedance matching from the external transceiver circuit to the resonator. The ground assembly includes a top layer ground connected to a plurality of metallized half cylindrical hole channels (or metallized via holes) which connect to a ground terminal in a bottom layer.
    Type: Grant
    Filed: February 28, 2021
    Date of Patent: August 2, 2022
    Assignee: Micro Mobio Corporation
    Inventors: Guan-Wu Wang, Terng-Jie Lin, Yi-Hung Chen, Wen-Chung Liu, Weiping Wang
  • Patent number: 11392190
    Abstract: A system and method for powering up a portable information handling system based on a position of a kickstand and a position of a keyboard relative to a chassis. When a kickstand is opened, a power control system determines if a keyboard is attached and opened. If the keyboard is not attached and the kickstand is opened, the power control system initiates powering up the portable information handling system. If the keyboard is attached and closed, the portable information handling system is not powered up. If the keyboard is attached and opened, the power control system initiates powering up the portable information handling system. If the kickstand is opened and the keyboard is opened, the power control system initiates powering up the portable information handling system.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: July 19, 2022
    Assignee: Dell Products L.P.
    Inventors: Yaotsung Chang, Chih-Lang Lin, Li Chung Liu
  • Publication number: 20220204829
    Abstract: The invention relates to liquid dispersion containing surface treated inorganic particle selected from the group consisting of Al2O3, AlN, Si3N4, SiC, WS2 and mixtures thereof and at least one liquid fluorinated compound, manufacturing process thereof, and use of such dispersion for increasing thermal conductivity of oil lubricants or heat transfer fluids.
    Type: Application
    Filed: April 23, 2020
    Publication date: June 30, 2022
    Applicant: EVONIK OPERATIONS GMBH
    Inventors: Li-Chung LIU, Paul BRANDL
  • Patent number: 11375169
    Abstract: A video conference panoramic image spreading method is provided, in which an image capturing (acquiring) step is applied by using at least one panoramic camera to capture at least one video conference panoramic picture or image and a bodily human features recognition step is applied to achieve bodily human features recognition for recognizing each of conferee photographed subjects in the video conference panoramic picture or image, and then, based on the result of bodily human features recognition, steps of searching out a dividing point for a two-dimensional (2D) spread picture, image cutting and two-dimensional picture spreading, and stitching are carried out so as to avoid, in a real-time manner, conflicts of cutting of a human body in the conference panoramic picture or image based on the dividing point for two-dimensional spreading and correct the dividing point, for acquiring a two-dimensional panoramic picture that instantaneously reflects and completely and correctly corresponds to a primitive video c
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 28, 2022
    Assignee: Magic Control Technology Corp.
    Inventor: Pei-Chung Liu
  • Publication number: 20220199550
    Abstract: A semiconductor device package and a method for manufacturing a semiconductor device package are provided. The semiconductor device package includes a carrier, a sensor module, a connector, and a stress buffer structure. The sensor module is disposed on the carrier. The connector is connected to the carrier. The stress buffer structure connects the connector to the sensor module.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 23, 2022
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Chi Sheng TSENG, Lu-Ming LAI, Hui-Chung LIU, Yu-Che HUANG
  • Publication number: 20220146342
    Abstract: The invention relates to a force sensor which comprises a sensor material which comprises a plurality of metal nanowires dispersed within a matrix; and a measurement device configured to measure an electrical property of the sensor material, wherein the electrical property is one which changes in response to the application of a force to the sensor material.
    Type: Application
    Filed: February 24, 2020
    Publication date: May 12, 2022
    Inventors: Wing Chung LIU, Andrew WATT
  • Patent number: D964618
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: September 20, 2022
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Yu-Hsin Chen, Hsing-Yi Kao, Ming-Chung Liu
  • Patent number: D974351
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: January 3, 2023
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Tung-Ying Wu, Ming-Chung Liu, Shu-Hsien Chu, Wang-Hung Yeh