Patents by Inventor Yen-Chih Chang

Yen-Chih Chang 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: 11968869
    Abstract: An electronic device includes a flexible substrate and a conductive wire. The conductive wire is disposed on the flexible substrate and includes a metal portion and a plurality of openings disposed in the metal portion. The metal portion includes a plurality of extending portions and a plurality of joint portions, and each of the openings is surrounded by two of the plurality of extending portions and two of the plurality of joint portions. A ratio of a sum of widths of the plurality of extending portions to a sum of widths of the plurality of joint portions is in a range from 0.8 to 1.2.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: April 23, 2024
    Assignee: InnoLux Corporation
    Inventors: Ya-Wen Lin, Chien-Chih Chen, Yen-Hsi Tu, Cheng-Wei Chang, Shu-Hui Yang
  • Publication number: 20240113676
    Abstract: A detection device for detecting an eyeball includes a frame element, a transceiver, and a contact lens element. The transceiver is disposed on the frame element. The transceiver transmits a first RF (Radio Frequency) signal. The contact lens element includes a resonator. The resonator converts the first RF signal into a first ultrasonic signal. The first ultrasonic signal is transmitted to the eyeball. The resonator converts a second ultrasonic signal from the eyeball into a second RF signal. The transceiver receives the second RF signal.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 4, 2024
    Applicant: HTC Corporation
    Inventors: Chun-Yih WU, Ta-Chun PU, Yen-Liang KUO, Wei-Chih CHANG
  • Publication number: 20240102742
    Abstract: A liquid-cooled cooling structure includes a cooling main body having a condensation chamber and an evaporation chamber arranged vertically therein; a separation member arranged between and separating the condensation chamber and the evaporation chamber, and having a first through hole and a second through hole communicating with the condensation chamber and the evaporation chamber, a dimension of the first through hole being greater than that of the second through hole; a longitudinal partition board received in the condensation chamber and arranged between the first through hole and the second through hole and separating the condensation chamber into a first channel and a second channel; cooling fins extended from an outer perimeter of the cooling main body.
    Type: Application
    Filed: September 25, 2022
    Publication date: March 28, 2024
    Inventors: Yen-Chih CHEN, Chi-Fu CHEN, Wei-Ta CHEN, Hung-Hui CHANG
  • Patent number: 11923630
    Abstract: An electrical connector assembly includes: a bracket; and at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB, wherein the PCB has a third row of conductive pads disposed at a rear end portion thereof.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: March 5, 2024
    Assignees: FUDING PRECISION INDUSTRY (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Yu-Ke Chen, Na Yang, Wei-Hua Zhang
  • Publication number: 20230238746
    Abstract: An electrical connector includes: a housing; a row of first terminals retained in the housing and comprising signal terminals and grounding terminals, each first terminal comprising a plate portion and a leg portion extending out of the housing, the plate portion defining an outer face exposed upon the housing and an inner face opposite the outer face, the outer face of the plate portion of the terminal defining a mating face; a first shielding plate parallel to and located by the inner faces of the first terminals; the first shielding plate defines plural first grounding portions, each first grounding portion defines a vertical cutting face which touches a corresponding inner face of the plate portion of an associated grounding terminal.
    Type: Application
    Filed: January 11, 2023
    Publication date: July 27, 2023
    Inventors: MENG LIU, XIAO-LI LIU, YEN-CHIH CHANG
  • Publication number: 20230074928
    Abstract: An electrical connector includes a bracket having a plurality of mating frames arranged side by side in a lateral direction and opening forward and plural transition modules inserted forward to be at least partially accommodated in the mating frame, wherein the bracket defines plural heat dissipation grooves each located between two adjacent frames and plural heat dissipation fins each located in a corresponding heat dissipation groove, the heat dissipation groove opening through in a front-rear direction.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 9, 2023
    Inventors: SHIH-WEI HSIAO, QIN-XIN CAO, YU-SAN HSIAO, YEN-CHIH CHANG
  • Patent number: 11581684
    Abstract: An electrical connector includes an elongate insulative housing defining a central slot extending along a longitudinal direction, and two rows of contacts disposed by two sides of the central slot. The housing forms a front receiving cavity to receive the corresponding mating tongue of the complementary connector, and a rear receiving cavity to receive the corresponding insulators wherein each insulator is integrally formed with each row of contacts via insert-molding for completing the whole contact module. Each grounding contact is equipped with the corresponding EMI absorber before being insert-molded within the insulator so as to have the corresponding EMI absorber also integrally formed with the insulator.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: February 14, 2023
    Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Rui-Qin Wang, Zhan-Sheng Meng, Meng Liu, Yen-Chih Chang, Yu-San Hsiao, Shih-Wei Hsiao, Jhih-Yao Jiang
  • Publication number: 20230033854
    Abstract: An electrical connector assembly includes: a first frame defining plural accommodating cavities; plural transmission units partially received in the accommodating cavities, respectively, each of the transmission units comprising a card edge connector received in a corresponding accommodating cavity, a motherboard connector, and a circuit board connected with the card edge connector and the motherboard connector; and a second frame attached to the first frame; wherein the second frame presses against and hold the circuit boards in position.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 2, 2023
    Inventors: XIAN-LIANG ZHANG, QIN-XIN CAO, WEN-BO ZHAO, YEN-CHIH CHANG, YU-SAN HSIAO, SHIH-WEI HSIAO, YU-KE CHEN
  • Patent number: 11539169
    Abstract: An electrical connector includes: plural terminal modules stacked laterally, each of the terminal modules including an insulating body, plural pairs of signal terminals held by the insulating body, plural ground terminals held by the insulating body, and a first ground plate and a second ground plate located on opposite sides of the insulating body, wherein: in each terminal module, the ground terminals and the pairs of signal terminals are alternately arranged in a vertical direction, each pair of signal terminals are arranged in a first plane, each ground terminal is arranged in a second plane intersecting the first plane, the first ground plate, the second ground plate, and the ground terminals shield each pair of signal terminals circumferentially.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: December 27, 2022
    Assignees: FUDING PRECISION INDUSTRY (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Meng Liu, Zhan-Sheng Meng
  • Patent number: 11502439
    Abstract: A conductive terminal to be mated with a mating terminal includes: a base; and a mating end at a front of the base for mating with the mating terminal, the mating end including a first mating portion for contacting with the mating terminal and a second mating portion arranged in front of the first mating portion for contacting with the mating terminal, wherein the first mating portion includes a first protrusion, the second mating portion includes a second protrusion, the first protrusion and the second protrusion protrude toward same side of the conductive terminal, the contacting direction and manner between the first protrusion and the mating terminal are different from the contacting direction and manner between the second protrusion and the mating terminal.
    Type: Grant
    Filed: March 14, 2021
    Date of Patent: November 15, 2022
    Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Rui-Qin Wang, Yen-Chih Chang
  • Patent number: 11489289
    Abstract: An electrical connector includes: a housing; plural terminals held on the housing, the terminals being arranged in the form of terminal pairs for transmitting differential signals; plural first shielding sheets shielding the terminals; and plural second shielding sheets shielding the terminals, the second shielding sheet being arranged to cross the first shielding sheets to form plural shielding cavities separated from each other, the terminal pairs being distributed in corresponding shielding cavities, wherein one first shielding sheet is provided between each terminal pair and an laterally adjacent terminal pair and two second shielding sheets are provided between each terminal pair and a longitudinally adjacent terminal pair.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: November 1, 2022
    Assignees: FUDING PRECISION INDUSTRY (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Meng Liu, Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Jhih-Yao Jiang, Yu-Ke Chen
  • Patent number: 11431129
    Abstract: An electrical connector includes: a housing; and plurality terminal groups held on the housing, each terminal group including a pair of signal terminals, a first shielding sheet for shielding the pair of signal terminals on at least one side, and a second shielding sheet for shielding the signal terminals on at least another side; wherein the first shielding sheet and the second shielding sheet of each terminal group are electrically connected, and the first shielding sheet of one of the terminal groups is electrically connected to the second shielding sheet of an adjacent terminal group.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: August 30, 2022
    Assignees: FU DING PRECISION INDUSTRIAL (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Rui-Qin Wang, Yen-Chih Chang
  • Patent number: 11431120
    Abstract: A terminal module includes: a conductive terminal to be contacted and cooperated with a mating terminal, the conductive terminal including a base and a mating end at a front of the base, the mating end including a contact portion to be contacted and cooperated with the mating terminal and a front end portion at a front end of the contact portion; and a plastic part, wherein the plastic part is arranged at the front end portion so that a gap between the contact portion of the conductive terminal and the mating terminal is less than 0.1 mm after cooperated.
    Type: Grant
    Filed: March 14, 2021
    Date of Patent: August 30, 2022
    Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Meng Liu, Jhih-Yao Jiang
  • Patent number: 11431128
    Abstract: An electrical connector includes: an insulating housing; plural terminals held on the insulating housing, the terminals are arranged in terminal pairs for transmitting differential signals; and plural shielding sheets held on the insulating housing, each of the shielding sheets includes: at least two walls shielding the terminal pair in at least two directions, and plural elastic pieces extending from the at least two walls in order to cooperate with a mating connector; wherein the elastic pieces of each shielding sheet include an inner elastic piece protruding toward an associated terminal pair and an outer elastic piece protruding away from the associated terminals pair.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: August 30, 2022
    Assignees: FU DING PRECISION INDUSTRIAL (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Meng Liu, Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Yu-Ke Chen, Jhih-Yao Jiang
  • Patent number: 11349261
    Abstract: An electrical connector includes an insulative elongated housing, and a plurality of contacts retained to the housing. The housing includes a base extending along the longitudinal direction and a mating tongue extending forwardly from the base in a front-to-back direction perpendicular to the longitudinal direction. Each contact includes a contacting/mating section exposed upon the mating tongue. The contacts include a plurality of differential-pair signal contacts and a plurality of grounding contacts alternately arranged with each other along the longitudinal direction. Each differential-pair signal contact is associated with a metallic wiping piece in front with a tiny gap so as to have the distance between the rear end of the contacting section and the front edge of the wiping piece is still equal to 3.9 mm which is regulated by the industry standard specification as a full length of the contacting section of the traditional contact.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: May 31, 2022
    Assignees: FU DING PRECISION INDUSTRIAL (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Meng Liu, Na Yang, Yen-Chih Chang, Yu-San Hsiao, Shih-Wei Hsiao
  • Patent number: 11349259
    Abstract: An electrical connector includes: an insulating housing; and plural terminals held in the insulating housing and arranged in terminal pairs, each of the terminals including: a holding portion held in the insulating housing; a cantilever extending forward from the holding portion, a slot being provided on the cantilever; a contact portion at a front of the cantilever; and a mounting portion for mounting on a circuit board; wherein the slot extends to the contact portion; and in each terminal pair, a first distance from a center of the contact portion of one terminal thereof to a center of the contact portion of the other terminal thereof is less than a second distance from a center of the mounting portion of one terminal thereof to a center of the mounting portion of the other terminal thereof.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: May 31, 2022
    Assignees: FU DING PRECISION INDUSTRIAL (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Meng Liu, Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Yu-Ke Chen, Jhih-Yao Jiang
  • Publication number: 20220140513
    Abstract: An electrical connector assembly includes: a bracket; and at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB, wherein the PCB has a third row of conductive pads disposed at a rear end portion thereof.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Inventors: SHIH-WEI HSIAO, YU-SAN HSIAO, YEN-CHIH CHANG, YU-KE CHEN, NA YANG, WEI-HUA ZHANG
  • Publication number: 20210296808
    Abstract: A conductive terminal to be mated with a mating terminal includes: a base; and a mating end at a front of the base for mating with the mating terminal, the mating end including a first mating portion for contacting with the mating terminal and a second mating portion arranged in front of the first mating portion for contacting with the mating terminal, wherein the first mating portion includes a first protrusion, the second mating portion includes a second protrusion, the first protrusion and the second protrusion protrude toward same side of the conductive terminal, the contacting direction and manner between the first protrusion and the mating terminal are different from the contacting direction and manner between the second protrusion and the mating terminal.
    Type: Application
    Filed: March 14, 2021
    Publication date: September 23, 2021
    Inventors: RUI-QIN WANG, YEN-CHIH CHANG
  • Publication number: 20210288429
    Abstract: A terminal module includes: a conductive terminal to be contacted and cooperated with a mating terminal, the conductive terminal including a base and a mating end at a front of the base, the mating end including a contact portion to be contacted and cooperated with the mating terminal and a front end portion at a front end of the contact portion; and a plastic part, wherein the plastic part is arranged at the front end portion so that a gap between the contact portion of the conductive terminal and the mating terminal is less than 0.1 mm after cooperated.
    Type: Application
    Filed: March 14, 2021
    Publication date: September 16, 2021
    Inventors: SHIH-WEI HSIAO, YU-SAN HSIAO, YEN-CHIH CHANG, MENG LIU, JHIH-YAO JIANG
  • Patent number: 11088497
    Abstract: An electrical connector includes an outer conductor and an inner conductor coaxially arranged with each other with an insulator therebetween. The outer conductor includes a base and a plurality of arc protrusions formed on a rear face of the base and coaxially sharing the same circle center. The protrusions are optimally located around a peripheral region of the circle defined by the cross-section of the cylindrical contour. A metallic box includes a top wall, opposite front and rear walls and opposite two side walls. The front wall forms a plurality of arc holes coaxially arranged with regard to a common center so as to snugly receive the corresponding arc protrusions of the outer conductor, respectively.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: August 10, 2021
    Assignees: FU DING PRECISION INDUSTRIAL (ZHENGZHOU) CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Shih-Wei Hsiao, Yu-San Hsiao, Yen-Chih Chang, Wei-Chou Lin, Na Yang, Meng Liu, Xiao-Li Liu, Wei-Hua Zhang, Tao Shen, Zhan-Sheng Meng, Yu-Ke Chen