Patents by Inventor Chen-An Cheng

Chen-An Cheng 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: 12294156
    Abstract: An antenna device includes a substrate and four antenna units. The four antenna units are disposed on the substrate. Each of the four antenna units includes an L-shaped radiation portion, a hook-shaped coupling portion and a ground portion. The hook-shaped coupling portion is adjacent to the L-shaped radiation portion. The ground portion is disposed around the L-shaped radiation portion and the hook-shaped coupling portion. One end of the hook-shaped coupling portion is connected to the ground portion.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: May 6, 2025
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Hsin-Hung Lin, Yu Shu Tai, Wei-Chen Cheng
  • Patent number: 12287602
    Abstract: A developing cartridge includes: a cartridge body for accommodating developers; a driving part at a first end in a first direction; a developing roller rotatable about a rotation axis extending along the first direction and positioned at a third end in a second direction; a storage medium for storing information; an electrical contact surface electrically connected to the storage medium and fixed relative to the cartridge body, and a lifting element configured to lift up the cartridge body in the third direction. The electrical contact surface is positioned at the first end in the first direction and is farther away from the developing roller relative to the driving part. The lifting element is farther away from the developing roller in the second direction away from the driving part.
    Type: Grant
    Filed: August 2, 2024
    Date of Patent: April 29, 2025
    Assignee: Zhuhai Ninestar Information Technology Co., Ltd
    Inventors: Hao Yang, Chen Cheng, Xin Lv, Hailong Ma, Wenjie Zhao, Leizhi Kuang, Jiming Zhou, Xinyu Wu, Changbiao Wang, Qingrui Zhu, Haoli Huang, Junyu Tao, Tiansheng Peng, Yuanyuan Sun, Caixia Chen
  • Publication number: 20250132233
    Abstract: Disclosed are a heat-electricity discrete power module with two-way heat-dissipation ceramic substrates and a manufacturing method of the same, including: two double-sided metal-clad ceramic substrates, a power transistor die, and an insulation sealant; each double-sided metal-clad ceramic substrate including a ceramic insulation layer, a three-dimensional conductive layer formed on the first ceramic insulation layer and facing the opposite three-dimensional conductive layer to constitute an electrical circuit, and a thermally-conductive metallic layer opposite and insulated from the three-dimensional conductive layer, respectively; electrodes of each power transistor die are electrically conductively connected to the three-dimensional conductive layer, and their upper and lower surfaces are thermally conductively connected to respective three-dimensional conductive layers; circuit components are additionally mounted on the three-dimensional conductive layers; at least one conductive post is formed between th
    Type: Application
    Filed: October 18, 2023
    Publication date: April 24, 2025
    Inventors: HO-CHIEH YU, CHEN-CHENG-LUNG LIAO, CHUN-YU LIN, JASON AN CHENG HUANG, Liang-Yo CHEN
  • Patent number: 12282635
    Abstract: A touch display device includes a substrate, a display element layer, a composite substrate, a touch electrode and an adhesive layer. The display element layer is disposed on the substrate. The composite substrate includes a support layer and a moisture barrier layer. The moisture barrier layer is in direct contact with and covers a surface of the support layer. The display element layer is located between the substrate and the composite substrate. A moisture transmission rate of the moisture barrier layer is less than 1×10?2 g/m2/day. The touch electrode is disposed on the composite substrate. The adhesive layer is disposed between the display element layer and the composite substrate.
    Type: Grant
    Filed: November 29, 2023
    Date of Patent: April 22, 2025
    Assignee: E Ink Holdings Inc.
    Inventors: Chen Cheng Lin, Hung Wei Tseng, Yi Chun Kuo, Fang Chia Hu
  • Patent number: 12282630
    Abstract: The invention provides a touch display device and an operation method for the touch display device. The touch display device includes an integrated control circuit and a touch driver. The integrated control circuit is coupled to the touch driver. The integrated control circuit outputs a first synchronization signal to the touch driver. The touch driver outputs a touch mode signal to the integrated control circuit, so that the integrated control circuit generates a synchronization enabling signal to the touch driver according to the touch mode signal.
    Type: Grant
    Filed: December 21, 2023
    Date of Patent: April 22, 2025
    Assignee: E Ink Holdings Inc.
    Inventors: Hung Wei Tseng, Yi Chun Kuo, Chen Cheng Lin
  • Patent number: 12283791
    Abstract: A semiconductor laser chip and a preparation method therefor, the method comprising: providing an epitaxial wafer (100), the epitaxial wafer (100) comprising a plurality of resonant cavities (110) arranged in parallel; providing a heat sink substrate (200); attaching the epitaxial wafer (100) to the heat sink substrate (200) so as to form a first chip semi-finished product (10); performing first division on the first chip semi-finished product (10) in the direction perpendicular to the resonant cavities (110) so as to divide the first chip semi-finished product (10) into a plurality of second chip semi-finished products (20); and performing second division on the second chip semi-finished products (20) in the direction parallel to the resonant cavities (110) so as to divide the second chip semi-finished products (20) into a plurality of semiconductor laser chips (30) such that the semiconductor laser chips (30) comprise at least one laser bar.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: April 22, 2025
    Assignee: YLX INCORPORATED
    Inventors: Chao-Chen Cheng, Anh Chuong Tran
  • Publication number: 20250122655
    Abstract: A flexible film article includes a first layer body that is a sheet body made of a thermoplastic material. The first layer body has a first surface side formed with a plurality of smooth regions, and a second surface side opposite to the first surface side and having a fibrous structure.
    Type: Application
    Filed: October 14, 2024
    Publication date: April 17, 2025
    Inventors: Chen-Cheng HUANG, Pao-Hao HUANG, Pao-Han HUANG
  • Publication number: 20250119827
    Abstract: The present disclosure provides a network energy saving method and apparatus, a device and a storage medium, which are applied to a network device. First, energy consumption indication information is acquired, which is used for indicating a target energy consumption state of the network device, and then data is transceived based on the target energy consumption state. In the embodiment of the present disclosure, an energy saving approach is configured for the network device, and then the target energy consumption state of the network device is indicated by indication information, so that the network device can determine the corresponding energy saving approach according to the target energy consumption state, thereby reducing the energy consumption of the network device.
    Type: Application
    Filed: January 17, 2023
    Publication date: April 10, 2025
    Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-chen CHENG, Yaomin LI, Yuwan SU, Yinghao ZHANG
  • Patent number: 12262387
    Abstract: The present application discloses a processing method, device, terminal and apparatus for partial bandwidth deactivation timer, including: receiving an instruction related to the uplink transmission sent by the network side; starting or restarting the partial bandwidth deactivation timer according to the received instruction. The present application clarifies the specific working mechanism of the partial bandwidth deactivation timer, and the terminal and the base station can perform signaling and data transmission on the correct resources, to avoid signaling and data transmission errors and resource waste.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: March 25, 2025
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Li Chen, Bertrand Pierre, Fang-Chen Cheng
  • Publication number: 20250088782
    Abstract: A cushion for a wearable device includes an outer cover layer and an inner cushion. The outer cover layer includes a first base material, a heat conducting material and a first heat storage material. The heat conducting material and the first heat storage material are dispersed in the first base material. The enthalpy value of the outer cover layer is less than or equal to 5 J/g. The inner cushion includes a second base material and a second heat storage material. The second heat storage material is dispersed in the second base material. The enthalpy value of the inner cushion is greater than that of the outer cover layer. The difference between the enthalpy value of the inner cushion and the enthalpy value of the outer cover layer is greater than 45 J/g.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 13, 2025
    Applicant: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Ying Chen Cheng, Yu Lin Chu, Cheng Yu Tsai, Hsin-Chu Lin
  • Publication number: 20250068197
    Abstract: A power ground noise reduction system includes a bandgap circuit and a noise reduction circuit. The bandgap circuit includes an input terminal for receiving a working voltage, and an output terminal for outputting a bandgap reference voltage. The noise reduction circuit includes a first input terminal coupled to the output terminal of the bandgap circuit for receiving the bandgap reference voltage, a second input terminal for receiving the working voltage, a ground terminal coupled to a low voltage terminal, a first current source for receiving the working voltage received by the second input terminal and generating a first current, and a second current source for generating a second current to the low voltage terminal through the ground terminal.
    Type: Application
    Filed: August 21, 2023
    Publication date: February 27, 2025
    Applicant: Himax Imaging Limited
    Inventors: Puo-Tsang Huang, Zheng-Zhi Huang, Ya-Sen Chang, Chen-Cheng-Hung Hung, Ghia-Ming Hong
  • Patent number: 12222748
    Abstract: A clock generating circuit includes an input terminal, configured to receive a clock signal; an output terminal, configured to output an output signal; a gray counter circuit, coupled to the input terminal, and configured to divide the clock signal to produce a first output signal; and a shielding circuit, coupled to the input terminal, the gray counter circuit and the output terminal, and configured to shield a glitch in the first output signal to generate the output signal according to the clock signal.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: February 11, 2025
    Assignee: Himax Imaging Limited
    Inventors: Ghia-Ming Hong, Zheng-Zhi Huang, Puo-Tsang Huang, Ya-Sen Chang, Chen-Cheng-Hung Hung
  • Patent number: 12218001
    Abstract: A method of fabricating a semiconductor package includes providing a substrate having at least one contact and forming a redistribution layer on the substrate. The formation of the redistribution layer includes forming a dielectric material layer over the substrate and performing a double exposure process to the dielectric material layer. A development process is then performed and a dual damascene opening is formed in the dielectric material layer. A seed metallic layer is formed over the dual damascene opening and over the dielectric material layer. A metal layer is formed over the seed metallic layer. A redistribution pattern is formed in the first dual damascene opening and is electrically connected with the at least one contact.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: February 4, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zi-Jheng Liu, Chen-Cheng Kuo, Hung-Jui Kuo
  • Patent number: 12212072
    Abstract: The present disclosure provides an antenna system, which includes a defected ground structure board and an antenna structure board. The defected ground structure board includes a first insulating plate and a defected ground structure layer, and the defected ground structure layer is disposed on the first insulating plate. The antenna structure board is disposed on the defected ground structure board. The antenna structure board includes at least one antenna body and a second insulating plate, the at least one antenna body is disposed on the second insulating plate, and the second insulating plate is disposed on the defected ground structure layer.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: January 28, 2025
    Assignees: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Hsin Hung Lin, Yu Shu Tai, Wei Chen Cheng
  • Patent number: 12207276
    Abstract: A method and apparatus for transmitting downlink control information. In the present invention, transmitted downlink control information at least comprises one or more of the following information fields: a first information field used for indicating the frequency domain resources occupied by the data resources scheduled by the DCI, a second information field used for indicating the time frequency resources occupied by the data resources scheduled by the DCI, and a third information field used for indicating the scheduled N users. As the resource size occupied by the transmission resources in the frequency domain and/or in the time domain is indicated by means of the downlink control information, transmission of downlink control information can be implemented in flexible resource allocation scenarios having variable transmission time intervals.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: January 21, 2025
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Lei Wang, Fang-Chen Cheng, Xuejuan Gao, Xueming Pan, Shaohui Sun
  • Publication number: 20250020239
    Abstract: A subsea dual set multi-piston smart flange (1) comprises a predetermined set of tensioning sleeves (52) which accept a corresponding predetermined set of tensioning rods (50) therethrough and a corresponding predetermined set of tensioners (53) corresponding in number to the number of predetermined set of tensioning rods (50), where each tensioner (53) of the predetermined set of tensioners (53) makes its tensioning sleeve (52) act like a piston to adjustably force pressure edges (56) of each tensioner (53) against a seal actuator (14), thereby applying pressure to and compressing a compressible seal (30) disposed within a first tubular (10).
    Type: Application
    Filed: July 12, 2024
    Publication date: January 16, 2025
    Applicant: Oceaneering International, Inc.
    Inventors: Sam MCKINLAY, Chen CHENG
  • Publication number: 20250008504
    Abstract: Embodiments of the present disclosure provide a service sending method and apparatus, a service receiving method and apparatus, and a storage medium. The service sending method comprises: sending first scheduling information to a terminal, the first scheduling information being used for scheduling, in a first scheduling mode, resources for sending a first data segment of a target service; and configuring an association relationship between the first scheduling information and second scheduling information, and sending the second scheduling information to the terminal, the second scheduling information being used for scheduling, in a second scheduling mode, resources for sending a second data segment of the target service.
    Type: Application
    Filed: October 18, 2022
    Publication date: January 2, 2025
    Inventors: Meiying YANG, Jiaqing WANG, Chen LUO, Fang-Chen CHENG
  • Patent number: 12177649
    Abstract: A virtual reality providing device and an audio processing method are provided. The virtual reality providing device includes a casing, a first microphone, a controller, an audio controller, an image player, and an audio player. The first microphone is disposed at one side of the case to receive a first audio signal of a user. The audio controller is electrically connected to the first microphone and the controller. The controller obtains a first sound collection distance and a first sound collection angle based on a virtual sound collection position. The virtual sound collection position is different from a position of the first microphone. The controller adjusts the first audio signal based on the first sound collection distance and the first sound collection angle to generate an adjusted first audio signal, and the audio player plays the adjusted first audio signal.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: December 24, 2024
    Assignee: C-MEDIA ELECTRONICS INC.
    Inventors: Chi-Chen Cheng, Yi-Chen Ho
  • Patent number: D1063925
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: February 25, 2025
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Po-Yang Chien, Hao-Jen Fang, Wei-Yi Chang, Chun-Chieh Chen, Chen-Cheng Wang, Chih-Wen Chiang, Sheng-Hung Lee
  • Patent number: D1072806
    Type: Grant
    Filed: January 24, 2021
    Date of Patent: April 29, 2025
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Po-Yang Chien, Hao-Jen Fang, Wei-Yi Chang, Chun-Chieh Chen, Chen-Cheng Wang, Chih-Wen Chiang, Sheng-Hung Lee