Patents by Inventor Yu-Han Chen

Yu-Han Chen 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: 12366928
    Abstract: An input method and a controller of a touch keyboard are provided. The input method includes: detecting a touch behavior performed on the touch keyboard, and identifying the touch behavior to determine whether to output mouse event data, keyboard event data or a combination of mouse event data and keyboard event data.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: July 22, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Yu-Han Chen, Tse-Chung Su, Sung-Han Wu, Xiao-Lin Chuang, Chi-Chieh Liao
  • Patent number: 12356636
    Abstract: A method includes forming first-type deep trenches and second-type deep trenches in a substrate, in which the first-type deep trenches have a first lengthwise direction along a first direction and the second-type deep trenches have a second lengthwise direction along a second direction; forming a capacitor structure over the substrate and in the first-type deep trenches and the second-type deep trenches, in which the capacitor structure includes a first metallic electrode layer, a node dielectric layer over the first metallic electrode layer, and a second metallic electrode layer over the node dielectric layer; and forming a first metal via over the capacitor structure and in contact with the second metallic electrode layer of the capacitor structure, in which a length of the first metal via is greater than a width of the first metal via from a top view.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: July 8, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Fu-Chiang Kuo, Yu-Han Chen, Cheng-Wei Lo
  • Publication number: 20250164659
    Abstract: There is provided a capacitive sensing system including multiple sensor electrodes, an insulating layer and a single active shielding metal. The single active shielding metal has an overlapped region with each of the multiple sensor electrodes. The insulating layer is arranged between the single active shielding metal and the multiple sensor electrodes. When one of the multiple sensor electrodes is driven by a driving signal, the rest of the multiple sensor electrodes are grounded or receive an active shielding signal, and the single active shielding metal receives the active shielding signal.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 22, 2025
    Inventors: Yu-Sheng LIN, Chin-Hua HU, Yu-Han CHEN
  • Publication number: 20250123721
    Abstract: A circuit carrier includes a substrate, a capacitive electrode layer, a plurality of metal pads and a plurality of bridges, and a plurality of conductive pillars. The capacitive electrode layer formed on a surface of the substrate and includes a plurality of first electrodes and a plurality of second electrodes. At least two of the first electrodes are connected to each other and be arranged across a die-bonding region of the substrate for separating at least two of the second electrodes that partially protrude from the die-bonding region to respectively form extensions. The metal pads and the bridges are formed on another surface of the substrate and are located outside of the die-bonding region. Each of the bridges connects two of the metal pads, and each of the conductive pillars is embedded in the substrate and connects one of the extensions and a corresponding one of metal pads.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Inventors: CHE-CHIA HSU, CHUN-LIN TSENG, YU-HAN CHEN
  • Patent number: 12266190
    Abstract: The described aspects and implementations enable efficient detection and classification of objects with machine learning models that deploy a bird's-eye view representation and are trained using depth ground truth data. In one implementation, disclosed are system and techniques that include obtaining images, generating, using a first neural network (NN), feature vectors (FVs) and depth distributions pixels of images, wherein the first NN is trained using training images and a depth ground truth data for the training images. The techniques further include obtaining a feature tensor (FT) in view of the FVs and the depth distributions, and processing the obtained FTs, using a second NN, to identify one or more objects depicted in the images.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: April 1, 2025
    Assignee: Waymo LLC
    Inventors: Albert Zhao, Vasiliy Igorevich Karasev, Hang Yan, Daniel Rudolf Maurer, Alper Ayvaci, Yu-Han Chen
  • Publication number: 20250091633
    Abstract: A pressure sensing device, comprising: a frame work; a capacitive pressure sensor layer, surrounding the frame work; a capacitive touch sensor layer; and a flexible material layer, located between the pressure sensor layer and the touch sensor layer and surrounding the capacitive pressure sensor layer. The capacitive touch sensor layer is above the flexible material layer when the capacitive pressure sensor layer is below the flexible material layer. The capacitive touch sensor layer has a first driving electrode and a first sensing electrode. The capacitive pressure sensor layer has a second driving electrode and a second sensing electrode. A 3D gesture control system and a vehicle control system applying the pressure sensing device are also disclosed. Via the pressure sensing device, the 3D gesture control system and the vehicle control system can generate control commands according to a touch or a pressure provided by a user.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 20, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Chin-Hua Hu, Yu-Han Chen, Yu-Sheng Lin
  • Publication number: 20250068286
    Abstract: A capacitive touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes and a plurality of light-emitting diode (LED) dies. The plurality of sensing electrodes and the plurality of driving electrodes form a touch sensing region of the capacitive touchpad, and the touch sensing region is divided into a plurality of sensing units having same areas. Each of the LED dies is arranged in two adjacent ones of the plurality of sensing units, and a position of each of the LED dies corresponds to one of the plurality of driving electrodes, and the LED dies are electrically isolated from the plurality of sensing electrodes and the plurality of driving electrodes.
    Type: Application
    Filed: November 7, 2024
    Publication date: February 27, 2025
    Inventors: CHE-CHIA HSU, CHI-CHIEH LIAO, YU-HAN CHEN
  • Patent number: 12224758
    Abstract: The invention provides a power system for monitoring a working environment of a monitored circuit and adjusting a working voltage of the monitored circuit includes: a power circuit, a voltage-controlled oscillator and a counter. The power circuit is configured to output the working voltage to the monitored circuit through a power supply path. The voltage-controlled oscillator is disposed in or around the monitored circuit and is electrically connected to the power supply path and a ground path to which the monitored circuit is electrically connected, and is configured to output an oscillation frequency in accordance with a signal variation on the power supply path and the ground path. The counter is electrically connected to the voltage-controlled oscillator and is configured to generate a counting number signal in accordance with the oscillation frequency and a synchronizing signal, thereby adjusting the working voltage outputted to the monitored circuit.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: February 11, 2025
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jia-Ming He, Yaw-Guang Chang, Yu-Han Chen
  • Patent number: 12223151
    Abstract: A circuit carrier includes a substrate, a capacitive electrode layer, a plurality of metal pads and a plurality of bridges, and a plurality of conductive pillars. The capacitive electrode layer formed on a surface of the substrate and includes a plurality of first electrodes and a plurality of second electrodes. At least two of the first electrodes are connected to each other and be arranged across a die-bonding region of the substrate for separating at least two of the second electrodes that partially protrude from the die-bonding region to respectively form extensions. The metal pads and the bridges are formed on another surface of the substrate and are located outside of the die-bonding region. Each of the bridges connects two of the metal pads, and each of the conductive pillars is embedded in the substrate and connects one of the extensions and a corresponding one of metal pads.
    Type: Grant
    Filed: April 19, 2024
    Date of Patent: February 11, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Che-Chia Hsu, Chun-Lin Tseng, Yu-Han Chen
  • Publication number: 20250046544
    Abstract: A mechanical key component and a mechanical keyboard are provided. The mechanical key component includes a circuit board, an elastic element and a key cap. The circuit board is provided with a first sensing electrode. The elastic element is disposed on the circuit board, and a movable portion of the elastic element is connected to a second sensing electrode. The key cap is movably disposed on the elastic element. The elastic element enables the key cap to move between an unpressed position and a pressed position, and the movable portion drives the second sensing electrode to move relative to the first sensing electrode. In response to the key cap being moved between the unpressed position and the pressed position, a coupling capacitance between the first sensing electrode and the second sensing electrode changes to indicate whether the key cap is in the unpressed position or the pressed position.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 6, 2025
    Inventors: CHE-CHIA HSU, CHI-CHIEH LIAO, YU-HAN CHEN
  • Patent number: 12195073
    Abstract: A pressure sensing device, comprising: a frame work; a capacitive pressure sensor layer, surrounding the frame work; a capacitive touch sensor layer; and a flexible material layer, located between the pressure sensor layer and the touch sensor layer and surrounding the capacitive pressure sensor layer. The capacitive touch sensor layer is above the flexible material layer when the capacitive pressure sensor layer is below the flexible material layer. The capacitive touch sensor layer has a first driving electrode and a first sensing electrode. The capacitive pressure sensor layer has a second driving electrode and a second sensing electrode. A 3D gesture control system and a vehicle control system applying the pressure sensing device are also disclosed. Via the pressure sensing device, the 3D gesture control system and the vehicle control system can generate control commands according to a touch or a pressure provided by a user.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: January 14, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: Chin-Hua Hu, Yu-Han Chen, Yu-Sheng Lin
  • Patent number: 12175047
    Abstract: A capacitive touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes and a plurality of light-emitting diode (LED) dies. The plurality of sensing electrodes and the plurality of driving electrodes form a touch sensing region of the capacitive touchpad, and the touch sensing region is divided into a plurality of sensing units having same areas. Each of the LED dies is arranged in two adjacent ones of the plurality of sensing units, and a position of each of the LED dies corresponds to one of the plurality of driving electrodes, and the LED dies are electrically isolated from the plurality of sensing electrodes and the plurality of driving electrodes.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: December 24, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Che-Chia Hsu, Chi-Chieh Liao, Yu-Han Chen
  • Patent number: 12154732
    Abstract: A key unit and a keyboard using the same are provided. The key unit includes a circuit board, a supporting assembly, a keycap, and a floating conductive structure. The circuit board includes a capacitance sensing circuit embedded therein, and the capacitance sensing circuit includes a pair of sensor electrodes which are spaced apart from each other. The supporting assembly is disposed on the circuit board. The keycap is moveably disposed above and spaced apart from the circuit board. The supporting assembly disposed between the keycap and the circuit board allows the keycap to be moved between a non-depressed position and a depressed position with respect to the circuit board. The floating conductive structure is disposed on the supporting assembly, and an orthogonal projection of the floating conductive structure on the circuit board overlaps with the pair of sensor electrodes.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: November 26, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Che-Chia Hsu, Yu-Han Chen, Chi-Chieh Liao
  • Publication number: 20240317248
    Abstract: A driving ability determining system, provided in a vehicle and for determining a driving ability of a driver of the vehicle, comprising: a HOD device embedded on a steering wheel, configured to receive at least one user input, wherein the user input is generated by the driver responding to a test instruction; and a processing circuit, configured to determine the driving ability of the driver according to the user input. By using such system, the driving ability may be determined in real time. Also, the driving function of the vehicle may be stopped if the driving ability is determined to be poor. By this way, the safety of driving vehicles may be increased.
    Type: Application
    Filed: June 4, 2024
    Publication date: September 26, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Chao-An Chen, Yu-Han Chen, Chin-Hua Hu
  • Publication number: 20240319815
    Abstract: A lighting touchpad is provided. The lighting touchpad includes a substrate, a plurality of first electrodes, a plurality of second electrodes, a plurality of bonding pads and a plurality of lighting devices. The plurality of first electrodes, the plurality of second electrodes and the plurality of bonding pads are arranged on the substrate, and the first electrodes, the second electrodes, and the bonding pads are alternately arranged in a sensing area without overlapping with one another. The pluralities of lighting devices are connected to a part of the bonding pads.
    Type: Application
    Filed: June 6, 2024
    Publication date: September 26, 2024
    Inventors: CHE-CHIA HSU, CHI-CHIEH LIAO, YU-HAN CHEN
  • Publication number: 20240288976
    Abstract: A circuit carrier includes a substrate, a capacitive electrode layer, a plurality of metal pads and a plurality of bridges, and a plurality of conductive pillars. The capacitive electrode layer formed on a surface of the substrate and includes a plurality of first electrodes and a plurality of second electrodes. At least two of the first electrodes are connected to each other and be arranged across a die-bonding region of the substrate for separating at least two of the second electrodes that partially protrude from the die-bonding region to respectively form extensions. The metal pads and the bridges are formed on another surface of the substrate and are located outside of the die-bonding region. Each of the bridges connects two of the metal pads, and each of the conductive pillars is embedded in the substrate and connects one of the extensions and a corresponding one of metal pads.
    Type: Application
    Filed: April 19, 2024
    Publication date: August 29, 2024
    Inventors: CHE-CHIA HSU, CHUN-LIN TSENG, YU-HAN CHEN
  • Publication number: 20240275393
    Abstract: The invention provides a power system for monitoring a working environment of a monitored circuit and adjusting a working voltage of the monitored circuit includes: a power circuit, a voltage-controlled oscillator and a counter. The power circuit is configured to output the working voltage to the monitored circuit through a power supply path. The voltage-controlled oscillator is disposed in or around the monitored circuit and is electrically connected to the power supply path and a ground path to which the monitored circuit is electrically connected, and is configured to output an oscillation frequency in accordance with a signal variation on the power supply path and the ground path. The counter is electrically connected to the voltage-controlled oscillator and is configured to generate a counting number signal in accordance with the oscillation frequency and a synchronizing signal, thereby adjusting the working voltage outputted to the monitored circuit.
    Type: Application
    Filed: February 13, 2023
    Publication date: August 15, 2024
    Inventors: Jia-Ming HE, Yaw-Guang CHANG, Yu-Han CHEN
  • Patent number: 12008205
    Abstract: A circuit carrier includes a substrate, a capacitive electrode layer, a plurality of metal pads and a plurality of bridges, and a plurality of conductive pillars. The capacitive electrode layer formed on a surface of the substrate and includes a plurality of first electrodes and a plurality of second electrodes. At least two of the first electrodes are connected to each other and be arranged across a die-bonding region of the substrate for separating at least two of the second electrodes that partially protrude from the die-bonding region to respectively form extensions. The metal pads and the bridges are formed on another surface of the substrate and are located outside of the die-bonding region. Each of the bridges connects two of the metal pads, and each of the conductive pillars is embedded in the substrate and connects one of the extensions and a corresponding one of metal pads.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: June 11, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Che-Chia Hsu, Chun-Lin Tseng, Yu-Han Chen
  • Patent number: 11953400
    Abstract: A pressure sensing unit is provided. The pressure sensing unit includes a membrane and a pressure sensing pad group. The membrane has a first surface and a second surface. The pressure sensing pad group includes a first pressure sensing pad, a second pressure sensing pad, and a ground pad that are spaced apart from one another. The ground pad and one among the first pressure sensing pad and the second pressure sensing pad are located at the first surface of the membrane, another one among the first pressure sensing pad and the second pressure sensing pad is located at the second surface of the membrane, and an orthographic projection of the ground pad projected onto a reference plane is located between orthographic projections of the first pressure sensing pad and the second pressure sensing pad that are projected onto the reference plane. Therefore, a signal-to-noise ratio can be increased and an erroneous detection can be prevented.
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: April 9, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Che-Chia Hsu, Yu-Han Chen, Chi-Chieh Liao
  • Publication number: 20240093364
    Abstract: A defect-reducing coating method is disclosed, which is characterized by making the coating surface of a sample face the bottom of the coating chamber, so that the sticking particles on side walls of the coating chamber will not fall on the coating surface of the sample during the coating process, thereby a smooth coating layer can be formed on the coating surface of the sample after the coating process is finished.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 21, 2024
    Applicant: MSSCORPS CO., LTD.
    Inventors: CHI-LUN LIU, JUNG-CHIN CHEN, BANG-HAO HUANG, YU-HAN CHEN, LIKO HSU