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: 11264701
    Abstract: A method for manufacturing an antenna printed circuit board includes the following steps: providing a flexible-rigid printed circuit board comprising a flexible region and a rigid region. The flexible region comprises at least one first connecting pad and at least one second connecting pad arranged opposite sides of the rigid region. At least one antenna module is attached to the first connecting pad through a conductive paste. The antenna module is fixed on the rigid region by a first reflow soldering process. At least one radio frequency integrated circuit structure is attached to the second connecting pad through a conductive paste. The radio frequency integrated circuit is fixed on the rigid region by a second reflow soldering process. A gap between the antenna module and the rigid region and a gap between the radio frequency integrated circuit structure and the rigid region are filled with dielectric materials and cured.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 1, 2022
    Assignees: Avary Holding (Shenzhen) Co., Limited., QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD
    Inventors: Zi-Qiang Gao, Chih-Wen Cheng, Ke He, Xian-Qin Hu
  • Publication number: 20220059733
    Abstract: A wavelength conversion member includes a substrate, a phosphor layer, and a ventilated blade. The substrate is configured to rotate based on an axis. The phosphor layer is disposed on the substrate. The ventilated blade is disposed on the substrate and has a pore density between 10 ppi and 500 ppi or a volume porosity between 5% and 95%.
    Type: Application
    Filed: January 25, 2021
    Publication date: February 24, 2022
    Inventors: Yen-I CHOU, Jih-Chi LI, Wen-Cheng HUANG
  • Publication number: 20220060679
    Abstract: A display system is provided. The display system includes a virtual reality display apparatus, an autostereoscopic display apparatus, and a host. In response to a processing unit of the host receiving a specific input signal, the processing unit generates a display-mode control signal, executes an image-conversion software development kit of an OpenVR driver to convert a virtual-reality (VR) stereoscopic image, that is generated by a VR application executed by the host, into an autostereoscopic image, and writes the autostereoscopic image to a second image buffer of the host. In response to the display-mode control signal, the autostereoscopic display apparatus is switched to an autostereoscopic display mode, and a multiplexing circuit of the host selects the autostereoscopic image stored in the second image buffer as an output image signal, and sends the output image signal to the autostereoscopic display apparatus for displaying.
    Type: Application
    Filed: April 22, 2021
    Publication date: February 24, 2022
    Inventors: Shih-Hao LIN, Chao-Kuang YANG, Wen-Cheng HSU
  • Publication number: 20220059393
    Abstract: Disclosed is a vacuum chuck and a method for securing a warped semiconductor substrate during a semiconductor manufacturing process so as to improve its flatness during a semiconductor manufacturing process. For example, a semiconductor manufacturing system includes: a vacuum chuck configured to hold a substrate, wherein the vacuum chuck comprises, a plurality of vacuum grooves located on a top surface of the vacuum chuck, wherein the top surface is configured to face the substrate; and a plurality of flexible seal rings disposed on the vacuum chuck and extending outwardly from the top surface, wherein the plurality of flexible seal rings are configured to directly contact a bottom surface of the substrate and in adjacent to the plurality of vacuum grooves so as to form a vacuum seal between the substrate and the vacuum chuck, and wherein each of the plurality of flexible seal rings has a zigzag cross section.
    Type: Application
    Filed: August 20, 2020
    Publication date: February 24, 2022
    Inventors: Chien-Fa LEE, Chin-Lin CHOU, Shang-Ying TSAI, Shou-Wen KUO, Kuei-Sung CHANG, Jiun-Rong PAI, Hsu-Shui LIU, Chun-wen CHENG
  • Patent number: 11254564
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, a plurality of vias, a signal transmitting portion, a heater and a sensing material. The plurality of vias penetrates the substrate, wherein each of the plurality of vias includes a conductive or semiconductive portion surrounded by an oxide layer. The signal transmitting portion is disposed in the substrate, wherein adjacent vias of the plurality of vias surrounds the signal transmitting portion. The heater is electrically connected to the signal transmitting portion, and the sensing material is disposed over the heater and electrically connected to the substrate. A method of manufacturing a semiconductor structure is also provided.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: February 22, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chun-Wen Cheng, Chia-Hua Chu, Fei-Lung Lai, Shiang-Chi Lin
  • Patent number: 11257953
    Abstract: An improved conductive feature for a semiconductor device and a technique for forming the feature are provided. In an exemplary embodiment, the semiconductor device includes a substrate having a gate structure formed thereupon. The gate structure includes a gate dielectric layer disposed on the substrate, a growth control material disposed on a side surface of the gate structure, and a gate electrode fill material disposed on the growth control material. The gate electrode fill material is also disposed on a bottom surface of the gate structure that is free of the growth control material. In some such embodiments, the gate electrode fill material contacts a first surface and a second surface that are different in composition.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: February 22, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Nan Wu, Shiu-Ko JangJian, Chun Che Lin, Wen-Cheng Hsuku
  • Publication number: 20220053158
    Abstract: There is provided a photographing device having two output interfaces that respectively used to output a first image frame and a second image frame. The first image frame is provided to a processor of the photographing device to perform the feature extraction and tag the second image frame accordingly. The tagged second image frame is for the image recording of an external back end.
    Type: Application
    Filed: November 1, 2021
    Publication date: February 17, 2022
    Inventors: CHIH-HUAN WU, WEN-CHENG YEN
  • Publication number: 20220050721
    Abstract: A resource integration method includes the following steps: a receiving module receives access information from a guest operating system on the host device; the access information is used to determine whether the frame rate is lower than a frame rate threshold; when the receiving module determines that the frame rate is lower than the frame rate threshold, the receiving module transmits an external resource request signal to the receiving module; after the receiving module receives the external resource request signal, a resource management module (which is located in the bridge module) selects an optimal external device from a specific category (among a plurality of categories in a candidate list), and a calculation operation or a storage operation corresponding to the specific category is transmitted to the optimal external device for calculation or storage by the bridge module.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 17, 2022
    Inventors: Kuan-Ju CHEN, Wen-Cheng HSU, Hung-Ming CHANG, Chih-Wen HUANG, Chao-Kuang YANG
  • Publication number: 20220048043
    Abstract: A tramp metal removing device has a primary housing to define a product flow path for being passed by a stream of raw materials and a moving path. A secondary housing is connected to the primary housing. A plurality of drawer units are sequentially stacked on the primary housing and secondary housing. Each drawer unit has a frame, a plurality of magnetic members and a scraping assembly. The frame is coupled with the primary and secondary housings in a movable way. Each of magnetic members is secured on the frame and has a magnetic section and a non-magnetic section. The scraping assembly is coupled with the frame in a way that it is only moveable in the secondary housing for removing tramp metals of a stream of raw materials in a two-stage manner.
    Type: Application
    Filed: May 13, 2021
    Publication date: February 17, 2022
    Applicant: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.
    Inventors: Shyh-Yi WEY, Wen-Cheng CHANG, Kuen Ting HSIEH, Ken-Der LIN, Bao-Ding LI, Rong-Huei WANG, Jia-Ying Hong, Fu-Chen WANG, Ho-Chi KANG
  • Publication number: 20220052436
    Abstract: In one example, a computing device may include an antenna, a tuning circuit to tune the antenna, a wireless local area network (WLAN) module coupled to the antenna, a system firmware to boot up the computing device, and a look-up table residing in the system firmware. The system firmware may receive channel information from the WLAN module, determine a state of the antenna corresponding to the received channel information using the look-up table, and tune a frequency of the antenna corresponding to the determined state via the tuning circuit.
    Type: Application
    Filed: April 30, 2019
    Publication date: February 17, 2022
    Applicant: HewlettPackard Development Company, L.P.
    Inventors: Yao Cheng Yang, Chun-Chih Liu, Yi-Ching Lin, Tzu-Chiang Cheng, Tsung-Teng Wang, Chia-Hung Kuo, Ming-Shien Tsai, Hung-Wen Cheng, Isaac Lagnado
  • Publication number: 20220052920
    Abstract: A network switch and a network switch system thereof are provided. The network switch includes a plurality of connection ports and a processing circuit. When any of the connection ports receives a first abnormal message packet and one of the connection ports is in a disabled state, the processing circuit sets the connection port in the disabled state to switch to an enabled state, and the processing circuit does not forward the first abnormal message packet in the single loop network. When one of the connection ports is abnormal and each of the connection ports forming the single loop network is in the enabled state, the processing circuit sets the abnormal connection port to switch to the disabled state, and transmits a second abnormal message packet to other network switches in the single loop network through another connection port that is not abnormal.
    Type: Application
    Filed: March 1, 2021
    Publication date: February 17, 2022
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Chih-Ming Chiu, Kai-Wen Cheng, Yu-Yi Lin, Yi-Hsuan Fan
  • Patent number: 11252641
    Abstract: A method of system information transmission for a network in a wireless communication system is disclosed. The method comprises broadcasting essential minimum system information (SI) of a cell of the wireless communication system with fixed scheduled on a downlink broadcast channel, wherein the essential minimum SI includes scheduling information for non-essential minimum SI of at least one of the cell and an auxiliary cell or a frequency location, the non-essential minimum SI is broadcasted with dynamically scheduled on a downlink shared channel, and the scheduling information includes a time and frequency resource configuration and an availability information for indicating whether the cell broadcasts the non-essential minimum SI.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: February 15, 2022
    Assignee: ACER INCORPORATED
    Inventors: Ching-Wen Cheng, Hung-Chen Chen
  • Publication number: 20220044481
    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: Application
    Filed: February 24, 2021
    Publication date: February 10, 2022
    Inventors: Huei-Ping TZENG, Chao-Kuang YANG, Wen-Cheng HSU, Chih-Wen HUANG, Chih-Haw TAN
  • Publication number: 20220045163
    Abstract: A semiconductor device includes an active region, a LOCOS region formed within the active region and that extends vertically above a top surface of the active region, a gate region formed above the top surface of the active region, and a polysilicon resistor having a bottom surface that is offset vertically and physically isolated from a top surface of the LOCOS region. The active region includes a source region laterally disposed from the gate region, a drain region laterally disposed from the gate region, and a drift region laterally disposed between the gate region and the drain region. The polysilicon resistor is formed above the drift region. The active region further includes a first charge balance region formed in the active region below the drift region.
    Type: Application
    Filed: July 29, 2021
    Publication date: February 10, 2022
    Inventors: Wen Cheng Lin, Ren Huei Tzeng, Shanghui Larry Tu
  • Publication number: 20220041835
    Abstract: A polyester film is provided. The polyester film includes 10 wt % to 100 wt % of a regenerated polyester resin. The regenerated polyester resin includes a physically regenerated polyester resin and a chemically regenerated polyester resin. Based on a total weight of the regenerated polyester resin being 100 wt %, an amount of the chemically regenerated polyester resin is larger than or equal to 5 wt %.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 10, 2022
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, Yu-Chi Hsieh, Chia-Yen Hsiao
  • Publication number: 20220041611
    Abstract: The present application provides a upadacitinib salt compound and a preparation method therefor. The salt involved in the method in the present application has an easy preparation operation, a cheap raw material easy to get, and a good purification effect on upadacitinib, and is beneficial to industrial production.
    Type: Application
    Filed: May 8, 2020
    Publication date: February 10, 2022
    Inventors: Peng WANG, Pixu LI, Qiang WEI, Wen CHENG
  • Patent number: 11243595
    Abstract: The present disclosure is applicable to the technical field of loudspeaker and provides a method and apparatus for reducing continuous-wakeup delay of Bluetooth loudspeaker and a Bluetooth loudspeaker. The method for reducing continuous-wakeup delay of Bluetooth loudspeaker includes: resetting a wakeup flag bit to wait for a next wakeup when receiving a stop-recording instruction which is sent by a terminal equipment through a Bluetooth serial port communication protocol; and executing a wakeup-interruption operation again after a preset wakeup keyword is received. According to the present disclosure, time delay under a continuous-wakeup mode can be greatly reduced and a response speed of continuous-wakeup can be improved.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: February 8, 2022
    Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    Inventors: Wen Cheng, Haiquan Wu, Dayong Tang, Enqin Zhang, Lei Cao, Ruiwen Shi
  • Patent number: 11235969
    Abstract: The integrated CMOS-MEMS device includes a CMOS structure, a cap structure, and a MEMS structure. The CMOS structure, fabricated on a first substrate, includes at least one conducting layer. The cap structure, including vias passing through the cap structure, has an isolation layer deposited on its first side and has a conductive routing layer deposited on its second side. The MEMS structure is deposited between the first substrate and the cap structure. The integrated CMOS-MEMS device also includes a conductive connector that passes through one of the vias and through an opening in the isolation layer on the cap structure. The conductive connector conductively connects a conductive path in the conductive routing layer on the cap structure with the at least one conducting layer of the CMOS structure.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: February 1, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Wen Cheng, Chia-Hua Chu, Wen Cheng Kuo, Wei-Jhih Mao
  • Publication number: 20220027206
    Abstract: A resource integration method includes the following steps: allowing a host operating system of a host device to communicate with an external device; using a bridge module to obtain external device information; receiving an access command from a guest operating system to the host device; receiving a hardware processing result from the host device; selectively transmitting the access command to the external device through the bridge module; and receiving the hardware processing result from the external device at a receiving module. The hardware processing result corresponds to the access command. The host device executes the virtual environment on the host operating system. The guest operating system runs in the virtual environment. The guest operating system executes an application program. The application program is used to issue the access command.
    Type: Application
    Filed: March 17, 2021
    Publication date: January 27, 2022
    Inventors: Kuan-Ju CHEN, Wen-Cheng HSU, Hung-Ming CHANG, Chih-Wen HUANG, Chao-Kuang YANG
  • Publication number: 20220024756
    Abstract: A MEMS support structure and a cap structure are provided. At least one vertically-extending trench is formed into the MEMS support structure or a portion of the cap structure. A vertically-extending outgassing material portion having a surface that is physically exposed to a respective vertically-extending cavity is formed in each of the at least one vertically-extending trench. A matrix material layer is attached to the MEMS support structure. A movable element laterally confined within a matrix layer is formed by patterning the matrix material layer. The matrix layer is bonded to the cap structure. A sealed chamber containing the movable element is formed. Each vertically-extending outgassing material portion has a surface that is physically exposed to the sealed chamber, and outgases a gas to increase the pressure in the sealed chamber.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 27, 2022
    Inventors: Kuei-Sung CHANG, Tai-Bang An, Chun-Wen Cheng, Hung-Hua Lin