Patents by Inventor Wen Cheng

Wen 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: 11338276
    Abstract: A catalyst for preparing chloroethylene by cracking 1,2-dichloroethane and a preparation and regeneration method thereof are disclosed in the present application. A catalyst for preparing chloroethylene by cracking 1,2-dichloroethane includes a carrier and a nitrogen-containing carbon as an active component of the catalyst with the nitrogen-containing carbon being loaded on the carrier. The method for preparing the catalyst includes: supporting an organic matter on an inorganic porous carrier and then performing a carbonization-nitridation process by pyrolysis in an atmosphere containing the nitrogen-containing compound. The method for regenerating the catalyst includes: calcinating the catalyst with deactivated carbon deposit in an oxidizing atmosphere to remove all the carbonaceous portions on the surface, and repeating the above preparation process of the catalyst.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 24, 2022
    Assignees: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES, FORMOSA PLASTICS CORPORATION
    Inventors: Jinming Xu, Sisi Fan, Yanqiang Huang, Fao Zhang, Chin Lien Huang, Wan Tun Hung, Tu Cheng Chen, Chien Hui Wu, Ya Wen Cheng, Ming Hsien Wen, Chao Chin Chang, Tsao Cheng Huang
  • Patent number: 11342839
    Abstract: A power supply apparatus includes a rectifier unit, a power factor correction circuit, and a control unit. The control unit correspondingly provides a reference voltage according to an amplitude of an input power source. When a voltage signal corresponding to an inductance current of an inductor of the power factor correction circuit is higher than the reference voltage, the control unit controls an energy release switch of the power factor correction circuit to be repeatedly switched on/off, and when the voltage signal is lower than the reference voltage, the control unit controls the energy release switch to be turned off.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 24, 2022
    Assignee: CHICONY POWER TECHNOLOGY CO., LTD.
    Inventors: Cheng-Chang Hsiao, Wen-Cheng Lu, Yung-Hung Hsiao
  • Patent number: 11342266
    Abstract: An integrated circuit (IC) with an integrated microelectromechanical systems (MEMS) structure is provided. In some embodiments, the IC comprises a semiconductor substrate, a back-end-of-line (BEOL) interconnect structure, the integrated MEMS structure, and a cavity. The BEOL interconnect structure is over the semiconductor substrate, and comprises wiring layers stacked in a dielectric region. Further, an upper surface of the BEOL interconnect structure is planar or substantially planar. The integrated MEMS structure overlies and directly contacts the upper surface of the BEOL interconnect structure, and comprises an electrode layer. The cavity is under the upper surface of the BEOL interconnect structure, between the MEMS structure and the BEOL interconnect structure.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: May 24, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Wen Cheng, Chia-Hua Chu
  • Patent number: 11343448
    Abstract: A method of operating an HDR pixel circuit includes: establishing a calibration full-well capacity of a photodiode according to a first predetermined voltage level; over-charging both the photodiode and a floating diffusion node; dissipating the charges of the floating diffusion node and the charges on the photodiode so that the charges on the photodiode are substantially equal to the calibration full-well capacity; transferring the charges on the photodiode to the floating diffusion node; and sensing a voltage on the floating diffusion node to generate a calibration signal related to the calibration full-well capacity.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: May 24, 2022
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: Ren-Chieh Liu, Wen-Cheng Yen, Hsin-Hung Shen
  • Patent number: 11342458
    Abstract: A semiconductor structure and a method of fabricating the semiconductor structure are provided. The semiconductor structure includes a substrate; a metal gate structure on the substrate; and a spacer next to the metal gate structure having a skirting part extending into the metal gate structure and contacting the substrate. The metal gate structure includes a high-k dielectric layer and a metal gate electrode on the high-k dielectric layer.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 24, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Che-Cheng Chang, Tung-Wen Cheng, Chang-Yin Chen, Mu-Tsang Lin
  • Patent number: 11336843
    Abstract: The present disclosure provides a time delay integration (TDI) sensor using a rolling shutter. The TDI sensor includes multiple pixel columns. Each pixel column includes multiple pixels arranged in an along-track direction, wherein two adjacent pixels or two adjacent pixel groups in every pixel column have a separation space therebetween. The separation space is equal to a pixel height multiplied by a time ratio of a line time difference of the rolling shutter and a frame period, or equal to a summation of at least one pixel height and a multiplication of the pixel height by a time ratio of the line time difference and the frame period. The line time difference of the TDI sensor is changeable without changing the separation space.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: May 17, 2022
    Assignee: PIXART IMAGING INC.
    Inventors: Ren-Chieh Liu, Chao-Chi Lee, Wen-Cheng Yen
  • Patent number: 11336870
    Abstract: A smart motion detection device with a determining method includes a memory, a processor, and a sensor array coupled to the memory and the processor. An image captured by the sensor array is processed by the processor. The sensor array is adapted to pre-store the image into the memory when the processor is operated in the sleep mode, and the pre-stored image is transmitted to the processor when the processor is operated in the wakeup mode. The sensor array includes a comparator adapted to generate an alarm signal for switching the processor from the sleep mode to the wakeup mode in accordance with a comparison result of the pre-stored image. The determining method includes the processor analyzing images captured by the sensor array when the sensor array is activated to capture the images, and the processor analyzing images pre-stored inside the memory when the sensor array is not activated.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: May 17, 2022
    Assignee: PixArt Imaging Inc.
    Inventors: Wen-Cheng Yen, Wen-Han Yao
  • Patent number: 11334112
    Abstract: An electronic device including a first body, a supporting member, a second body, and an input assembly is provided. The first body is provided with a front end and a rear end opposite to each other. One terminal end of the supporting member is pivotally connected to the rear end of the first body. The second body is pivotally connected to the other terminal end of the supporting member. The input assembly is rotatably connected to the second body and is suitable for being carried by the first body. When a lower edge of the second body is located at the front end of the first body, the input assembly protrudes out from the front end of the first body.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 17, 2022
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Yan-Yu Chen, Wang-Hung Yeh, Yu-Wen Cheng, Chun-Wen Wang
  • Publication number: 20220147129
    Abstract: Techniques for reallocating power between a plurality of electronic components and a connection port of a computing system are described. In operation, operational state of an electronic component from amongst multiple electronic components is analysed. Based on the operational state of the electronic component, an unused power available with the electronic components is determined. Based on the availability of the unused power, a default power level associated with the connection port is increased, where the default power level is a predefined power allocated to the connection port for operation.
    Type: Application
    Filed: July 31, 2019
    Publication date: May 12, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Chao Wen Cheng, Po Ying Chih, Yen Tang Chang
  • Publication number: 20220147103
    Abstract: A flexible display, including a stand, a supporting mechanism, a flexible screen, a driving component, a driven component, and a link, is provided. The supporting mechanism is connected to the stand. The flexible screen is attached to the supporting mechanism. The driving component is disposed on the stand. The driven component is disposed on a side of the supporting mechanism distant from the stand. The link has a first end and a second end opposite to the first end. The first end is connected to the driving component, and the second end is connected to the driven component. The driving component drives the driven component through the link to move on a first horizontal plane to drive the supporting mechanism and the flexible screen to transform when the driving component moves between the first horizontal plane and a second horizontal plane that is parallel to the first horizontal plane.
    Type: Application
    Filed: October 21, 2021
    Publication date: May 12, 2022
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Yu-Wen Cheng, Yan-Yu Chen, Chun-Wen Wang, Chung-Lin Hsieh
  • Publication number: 20220149640
    Abstract: A smart charging device having a charging module and a UV lamp set mounted in the main body thereof is disclosed. The charging module includes power supply circuit, a power input unit connected to the power supply circuit for power, and a charging area connected to the power supply circuit for charging mobile devices. The UV lamp set includes a drive control circuit connected to the power supply circuit, a start unit and at least one UV lamp connected to the drive control circuit through the start unit. In addition to the charging function, the smart charging device also provides an ultraviolet sterilization function.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 12, 2022
    Inventor: Wen-Cheng HSU
  • Publication number: 20220147127
    Abstract: Techniques for allocating power budget to a central processing unit (CPU) of a computing device are described. According to an example of the present subject matter, a CPU is operated at default power level corresponding to a thermal design power (TDP) of the computing device. Thereafter, an unused power of the computing device is determined at run-time. The unused power is a difference between an allocated power budget of the component and current power consumption of the component, wherein the allocated power budget is an amount of power allocated to the component based on the TDP of the computing device. Based on the unused power the CPU is operated at a high-performance power level. The high-performance power level is a power level above the default power and up to a maximum power level of the CPU.
    Type: Application
    Filed: July 31, 2019
    Publication date: May 12, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Po Ying Chih, Chao Wen Cheng, Yen Tang Chang, Wei Chieh Liao, Yu Fan Chen, Chien Chen Su
  • Patent number: 11328493
    Abstract: An augmented reality screen system includes an augmented reality device and a host. The augmented reality device is configured to take a physical mark through a camera. The host is configured to receive the physical mark, determine position information and rotation information of the physical mark, and fetch a virtual image from a storage device through a processor of the host. The processor transmits an adjusted virtual image to the augmented reality device according to the position information and the rotation information, and the augmentation device projects the adjusted virtual image to a display of the augmented reality device. The adjusted virtual image becomes a virtual extended screen, and the virtual extended screen and the physical mark are simultaneously displayed on the display of the augmented reality device.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: May 10, 2022
    Assignee: ACER INCORPORATED
    Inventors: Huei-Ping Tzeng, Chao-Kuang Yang, Wen-Cheng Hsu, Chih-Wen Huang, Chih-Haw Tan
  • Publication number: 20220140732
    Abstract: An example redundant power supply system comprises a power supply input to receive power from a power supply; a buck-boost converter coupled to the power supply input; and a controller coupled to the buck-boost converter. The controller is to receive a power supply identification signal from the power supply. The controller is also to enable or disable the buck-boost converter based on the power supply identification signal.
    Type: Application
    Filed: July 23, 2019
    Publication date: May 5, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Chao-Wen Cheng, Ying-Chi Chou, Feng Ming Lu, Chien Fa Huang, Chieh-Shen Huang, Tsung Yen Chen, Peter Seiler, Poying Chih
  • Publication number: 20220135792
    Abstract: A bio-resin composition, a bio-resin composite, and a bio-foam material are provided. The bio-resin composition includes a polymer matrix, a toughener, and an antistatic agent. The weight ratio of the polymer matrix to the toughener is between 90:10 and 60:40. Based on the total weight of the polymer matrix and the toughener, the content of the antistatic agent is between 1% and 10%.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Applicant: Industrial Technology Research Institute
    Inventors: Sheng-Ju Liao, Sheng-Lung Chang, Shun-Wen Cheng, Yu-Ting Liu, Shihn-Juh Liou
  • Publication number: 20220140892
    Abstract: A method of handling mobility of a communication device for a cell of a base station. The method comprising configuring a proxy cell for a communication device; and transmitting a mobility configuration comprising information of the proxy cell and at least one candidate cell to the communication device; wherein the proxy cell stores information of a user plane, information of a control plane, or data associated with the communication device.
    Type: Application
    Filed: October 27, 2021
    Publication date: May 5, 2022
    Applicant: ACER INCORPORATED
    Inventor: Ching-Wen Cheng
  • Patent number: 11321091
    Abstract: A storage device, which is coupled to a host and a first register, includes a first mapping register, a shadow register, and a controller. The first mapping register is configured to store the first address of the first register. The shadow register includes a first shadow section mapped to a register section of the first register. The controller receives an initialization instruction generated by the host to write the first address into the first mapping register so that the first shadow section is mapped to the first register section.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: May 3, 2022
    Assignee: NUVOTON TECHNOLOGY CORPORATION
    Inventors: Nai-Wen Cheng, Tzu-Lan Shen
  • Patent number: 11320570
    Abstract: A wavelength converting device includes a diffused-reflecting layer, a substrate, and a photoluminescence layer. The diffused-reflecting layer has a first surface and a second surface facing away from the first surface, and the diffused-reflecting layer includes a hydrophilic binder and a lipophilic binder. The substrate is on the first surface of the diffused-reflecting layer. The photoluminescence layer is on the second surface of the diffused-reflecting layer.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 3, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Jih-Chi Li, Li-Cheng Yang, Wen-Cheng Huang
  • Patent number: 11322338
    Abstract: A method for modifying magnetic field distribution in a deposition chamber is disclosed. The method includes the steps of providing a target magnetic field distribution, removing a first plurality of fixed magnets in the deposition chamber, replacing each of the first plurality of fixed magnets with respective ones of a second plurality of magnets, performing at least one of adjusting a position of at least one of the second plurality of the magnets, and adjusting a size of at least one of the second plurality of magnets, adjusting a magnetic flux of at least one of the second plurality of magnets, measuring the magnetic field distribution in the deposition chamber, and comparing the measured magnetic field distribution in the deposition chamber with the target magnetic field distribution.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: May 3, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ming-Jie He, Shawn Yang, Szu-Hsien Lo, Shuen-Liang Tseng, Wen-Cheng Cheng, Chen-Fang Chung, Chia-Lin Hsueh, Kuo-Pin Chuang
  • Patent number: 11323237
    Abstract: A repeater and a synchronization method for the same are provided. The synchronization method includes: configuring a base station to transmit an input signal during downlink transmission durations according to a time division duplex (TDD) configuration, in which the TDD configuration defines a predetermined pattern composed of an uplink transmission duration and a downlink transmission duration; configuring a processor generate a received signal code according to the input signal; configuring the processor to sample the received signal code by using a signal window to generate a target pattern; configuring the processor to dynamically compare the target pattern with the predetermined pattern according to the TDD configuration, positions of the received downlink transmission durations and positions of the received uplink transmission durations stored in a memory of the repeater, and determine whether the target pattern matches to the predetermined pattern.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: May 3, 2022
    Assignee: WISTRON NEWEB CORPORATION
    Inventors: Chia-Hsiang Wang, Chieh-Wen Cheng