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).

  • Publication number: 20220017709
    Abstract: An ultraviolet-absorbing polyester film and a method for manufacturing the same are provided. The ultraviolet-absorbing polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the ultraviolet-absorbing polyester film, a content of the electrostatic pinning additives is between 0.005% and 0.1% by weight. The ultraviolet-absorbing polyester film further contains an ultraviolet absorber.
    Type: Application
    Filed: March 17, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, Chih-Feng Wang
  • Publication number: 20220017707
    Abstract: A flame-retardant polyester film and a method for manufacturing the same are provided. The flame-retardant polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight.
    Type: Application
    Filed: March 12, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, HAO-SHENG CHEN
  • Publication number: 20220017770
    Abstract: A polyester film for laser embossing and a method for manufacturing the same are provided. The polyester film for laser embossing is made from a recycled polyester material, and includes a base layer and a skin layer. The skin layer is disposed on at least one surface of the base layer. The skin layer is formed from a first polyester composition. The first polyester composition includes regenerated polyethylene terephthalate as a main component and at least one component selected from 1,4-butanediol, isophthalic acid, neopentyl glycol, 2-methyl-1,3-propanediol, pentanediol, isopentyldiol, adipic acid, and 1,4-cyclohexanedimethanol, so that a melting point of the skin layer ranges from 190° C. to 240° C.
    Type: Application
    Filed: March 17, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, WEN-JUI CHENG
  • Publication number: 20220017708
    Abstract: A polyester film for embossing and a method for manufacturing the same are provided. The polyester film for embossing is made from a recycled polyester material. The polyester film for embossing includes a base layer and a surface coating layer. The base layer is formed from a polyester composition. The polyester composition includes regenerated polyethylene terephthalate as a main component. The surface coating layer is disposed on at least one surface of the base layer. A material of the surface coating layer includes a main resin, fillers, and melamine. Based on a total weight of the surface coating layer being 100 wt %, an existing amount of the main resin is 45 wt % to 95 wt %, an existing amount of the fillers is 0.1 wt % to 30 wt %, and an existing amount of the melamine is 0.01 wt % to 25 wt %.
    Type: Application
    Filed: March 15, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, Yu-Chi Hsieh
  • Publication number: 20220017769
    Abstract: A heat sealable polyester film and a method for manufacturing the same are provided. The heat sealable polyester film is made from a recycled polyester material. The heat sealable polyester film includes a base layer and a heat sealable layer formed on at least one surface of the base layer. The heat sealable layer is formed from a first polyester composition. A main component of the first polyester composition is regenerated polyethylene terephthalate and the first polyester composition further includes at least one of 1,4-butanediol, isophthalic acid, neopentyl glycol, and polybutylene terephthalate. A heat sealing temperature of the heat sealable polyester film ranges from 120° C. to 230° C.
    Type: Application
    Filed: March 15, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, CHING-YAO YUAN
  • Patent number: 11216976
    Abstract: An angle of view calibration method, a virtual reality display system and a computing apparatus are provided. Whether a Head-Mounted-Display (HMD) is worn on the head of a user is detected by a wearing sensor. A current video frame displayed by the HMD is captured in response to the HMD being worn on the head of the user, wherein the current video frame is generated based on an orientation position parameter of the HMD. A frame elevation angle of the current video frame is determined. The orientation position parameter of the HMD is calibrated according to the frame elevation angle, such that the HMD displays a next video frame generated based on the calibrated orientation position parameter.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: January 4, 2022
    Assignee: Acer Incorporated
    Inventors: Chih-Wen Huang, Chao-Kuang Yang, Wen-Cheng Hsu
  • Patent number: 11216030
    Abstract: A portable electronic device includes a host, a sliding base, a base plate, a display and a sliding rotating element. The sliding base is disposed on the host and has at least one guiding portion and at least one sliding slot connected to the guiding portion. The base plate is disposed on the sliding base. The display is pivoted on the base plate. The sliding rotating element is fixed to the base plate and is rotatably and slidably connected to the sliding base, and the display and the base plate are configured to rotate or slide on the sliding base along with the sliding rotating element.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: January 4, 2022
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Yan-Yu Chen, Chien-Feng Chan, Ming-Cheng Tsou, Yu-Wen Cheng, Chun-Wen Wang, Wang-Hung Yeh
  • Publication number: 20210409630
    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: Application
    Filed: June 18, 2021
    Publication date: December 30, 2021
    Inventors: Ren-Chieh LIU, Chao-Chi LEE, Wen-Cheng YEN
  • Publication number: 20210409503
    Abstract: A push notification device of warning areas is disclosed that comprising a transceiver connected to a third-party server to receive a plurality pieces of warning information from the third-party server. A processor determines whether a location information falling within a designated warning area of the plurality pieces of warning information based on a designated warning area of a push condition set by a push assembly, wherein the processor generates a warning signal if positive, or the processor determines another location information if negative. Then a notifier receives the warning signal, and performs a notifying operation based on the warning signal. Accordingly, as above-mentioned determination of warning areas, when the user is within the designated warning area, the push notification device can effectively alert the user to stay away from the warning area, thereby achieving the effect of warning prevention.
    Type: Application
    Filed: May 10, 2021
    Publication date: December 30, 2021
    Inventors: WEN-CHENG YIN, CHI-HUNG CHANG, KAI-LI PENG, CHIH-KAN CHIANG
  • Publication number: 20210407777
    Abstract: A sputtering target assembly, sputtering apparatus, and method, the target assembly including a backing plate having an aperture formed therein; and a target bonded to a front surface of the backing plate. The aperture is disposed on the backing plate such that a first end of the aperture is sealed by a portion of the target that is predicted by a sputtering target erosion profile to have the highest etching rate during a corresponding sputtering process.
    Type: Application
    Filed: June 25, 2020
    Publication date: December 30, 2021
    Inventors: Chen-Fang Chung, Wen-Cheng Cheng, Po Wen Yang, Ming-Jie He, Yan-Zi Lu, Cheng-Yi Teng
  • Patent number: 11212484
    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: Grant
    Filed: July 9, 2020
    Date of Patent: December 28, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Chih-Huan Wu, Wen-Cheng Yen
  • Publication number: 20210393783
    Abstract: Provided are an aqueous pharmaceutical formulation comprising an antibody specific to the receptor of interleukin (IL)-6 (for example, Tocilizumab) and an effective amount of histidine for stabilizing the antibody. Said histidine is present in the aqueous pharmaceutical formulation at a concentration of 50 mM to 200 mM so as to achieve the stabilizing effect.
    Type: Application
    Filed: October 24, 2019
    Publication date: December 23, 2021
    Inventors: Jheng-Gang Yang, Wen-Cheng Chang, Jiung-Liang Liu
  • Patent number: 11205401
    Abstract: A power-saving method for switching High Definition Multimedia Interface (HDMI) ports on a sink device is provided. The sink device has a first HDMI port initially being enabled for displaying and a second HDMI port being disabled for displaying. The power-saving method includes the steps of using the reference signals to locate the VSYNC active edge in each frame generated by a source device connected to the second HDMI port; turning on the power to the second HDMI port during a power-on region corresponding to the VSYNC active edge in each frame and turning off power otherwise; obtaining information related to a high bandwidth digital content protection (HDCP) in the power-on region; and displaying video data from the source device based on the HDCP information when enabling the second HDMI port connected to the source device.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: December 21, 2021
    Assignee: MEDIATEK INC.
    Inventors: You-Tsai Jeng, Kai-Wen Cheng, Chin-Lung Lin, Yi-Cheng Chen, Te-Chuan Wang, Chi-Chih Chen, Szu-Hsiang Lai, Tai-Lai Tung, Keng-Lon Lei
  • Patent number: 11206493
    Abstract: A micro electro mechanical system (MEMS) microphone includes a first membrane, a second membrane, a third membrane disposed between the first membrane and the second membrane, a first cavity disposed between the first membrane and the third membrane and surrounded by a first wall, a second cavity disposed between the second membrane and the third membrane and surrounded by a second wall, and one or more first supports disposed in the first cavity and connecting the first membrane and the third membrane.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: December 21, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chen Hsiung Yang, Chun-Wen Cheng, Chia-Hua Chu, En-Chan Chen
  • Publication number: 20210391324
    Abstract: A semiconductor device includes: a first fin and a second fin extending from a substrate and an epitaxial source/drain region. The epitaxial source/drain region includes a first portion grown on the first fin and a second portion grown on the second fin, and the first portion and the second portion are joined at a merging boundary. The epitaxial source/drain region further includes a first subregion extending from a location level with a highest point of the epitaxial source/drain region to a location level with a highest point of the merging boundary, a second subregion extending from the location level with the highest point of the merging boundary to a location level with a lowest point of the merging boundary, and a third subregion extending from the location level with the lowest point of the merging boundary to a location level with the lowest point of the epitaxial source/drain region.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 16, 2021
    Inventors: Wei Hao Lu, Yi-Fang Pai, Cheng-Wen Cheng, Li-Li Su, Chien-I Kuo
  • Patent number: 11199893
    Abstract: The method for processing data of Bluetooth speaker includes: running a first program firmware before the Bluetooth speaker is awakened; awakening the Bluetooth speaker after detecting wake-up information by the first program firmware, and caching received speech data by the first program firmware; establishing connection with a terminal device, and transmitting the speech data to the terminal device; and switching from the first program firmware to the second program firmware for operation if a request for re-establishing connection from the terminal device is received after current connection with the terminal device is disconnected, and receiving speech data fed back by the terminal device through the second program firmware, and playing the speech data fed back by the terminal device. The present application can increase the space for storing speech data when the size of the storage space of a system is fixed, thereby caching more speech data.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: December 14, 2021
    Assignee: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    Inventors: Wen Cheng, Haiquan Wu, Dayong Tang, Enqin Zhang, Lei Cao, Ruiwen Shi
  • Patent number: 11199878
    Abstract: A casing structure including a first housing, a glue layer, and a second housing is provided. The first housing has a first inner edge. The glue layer is disposed at the first inner edge. The second housing has a second inner edge. The first housing is assembled to the second housing, and the first inner edge is aligned with the second inner edge. The glue layer abuts against the second inner edge so as to combine the first housing with the second housing. A gap formed between the glue layer and a part of the second inner edge is defined as a glue overflow buffer area.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: December 14, 2021
    Assignee: PEGATRON CORPORATION
    Inventors: Mei-Hsueh Huang, Ho-Ching Huang, Wen-Cheng Tsai
  • Publication number: 20210382341
    Abstract: An electronic device includes a first substrate; a second substrate arranged opposite to the first substrate; a first electrode layer disposed on the first substrate; a second electrode layer disposed on the second substrate; a display medium layer disposed between the first electrode layer and the second electrode layer; a sealant disposed between the first electrode layer and the second electrode layer to surround the display medium layer; and a first metal element extending along a first direction, wherein the first metal element is fixed onto the first electrode layer through a conductive glue and a first insulating glue.
    Type: Application
    Filed: May 12, 2021
    Publication date: December 9, 2021
    Inventors: Wen-Cheng HUANG, Bi-Ly LIN, Chia-Chun YANG, Ying- Jung WU, Chien-Wei TSENG
  • Publication number: 20210380369
    Abstract: A switch device for an elevator is arranged to manipulate a physical button of the elevator. The physical button is triggered to generate an operating signal to control the operation of the elevator. The switch device for the elevator includes a motion sensor, an actuator and a controller. The motion sensor detects the movement of a user to generate a sense signal. The actuator is disposed at the position corresponding to the physical button. The actuator presses the physical button based on a control signal. The controller is electrically connected to the motion sensor and the actuator. The controller receives the sense signal and generates the control signal based on the sense signal. The controller transmits the control signal to the actuator. A switch device of an elevator is able to manipulate the elevator under the condition that the user does not touch the physical button.
    Type: Application
    Filed: April 30, 2021
    Publication date: December 9, 2021
    Inventors: WEN-CHENG YIN, HO-CHUAN HSU, FU-JUNG CHENG
  • Patent number: 11195791
    Abstract: A method for forming a semiconductor contact structure is provided. The method includes depositing a dielectric layer over a substrate. The method also includes etching the dielectric layer to expose a sidewall of the dielectric layer and a top surface of the substrate. In addition, the method includes forming a silicide region in the substrate. The method also includes applying a plasma treatment to the sidewall of the dielectric layer and the top surface of the substrate to form a nitridation region adjacent to a periphery of the silicide region. The method further includes depositing an adhesion layer on the dielectric layer and the silicide region.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: December 7, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Wen Cheng, Wei-Yip Loh, Yu-Hsiang Liao, Sheng-Hsuan Lin, Hong-Mao Lee, Chun-I Tsai, Ken-Yu Chang, Wei-Jung Lin, Chih-Wei Chang, Ming-Hsing Tsai