Patents by Inventor Chih-Cheng LI

Chih-Cheng LI 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: 12262518
    Abstract: A circuit board assembly includes a circuit board, a noise source and a shielding cover. The circuit board has an upper surface, a lower surface and a plurality of grounding areas. The lower surface faces away from the upper surface, and the grounding areas are located at the lower surface. The noise source is located at the upper surface of the circuit board. The shielding cover includes a covering body and a plurality of elastic grounding arms. The covering body is in contact with the upper surface and covers the noise source. The elastic grounding arms are connected to the covering body. The elastic grounding arms are in contact with the lower surface of the circuit board and respectively in electrical contact with the grounding areas.
    Type: Grant
    Filed: August 22, 2023
    Date of Patent: March 25, 2025
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Yu Shu Tai, Chih-Cheng Li
  • Publication number: 20240413517
    Abstract: An electronic device includes a casing, a motherboard, a noise source and an antenna assembly. The motherboard is located in the casing. The noise source is disposed on the motherboard. The antenna assembly includes an antenna and a covering shield. The antenna is electrically connected to the motherboard and located close to the casing and has a radiation portion. The covering shield is fixed to the casing and located between the antenna and the noise source. The covering shield forms a covering space, a first opening and a second opening, the first opening and the second opening are located at different sides of the covering space, the first opening is covered by the casing and located close to the antenna, the second opening is located close to the radiation portion, and the second opening and the noise source are respectively located at different sides of the covering shield.
    Type: Application
    Filed: August 22, 2023
    Publication date: December 12, 2024
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventor: Chih-Cheng LI
  • Publication number: 20240413519
    Abstract: A display device includes a casing, a display panel and a lens assembly. The casing includes a bottom plate, two side plates and a top plate. Two opposite sides of the two side plates are connected to the bottom plate and the top plate. The bottom plate, the two side plates and the top plate together form an accommodating space. The display panel and the lens assembly are located in the accommodating space. The lens assembly is disposed between the display panel and the top plate. The lens assembly includes a flexible circuit board, a lens and an antenna assembly. The flexible circuit board includes a flexible substrate and a ground structure. The ground structure is disposed on the flexible substrate. The lens is disposed on the flexible substrate. The antenna assembly is disposed on the flexible substrate, and is disposed between the lens and the top plate.
    Type: Application
    Filed: August 22, 2023
    Publication date: December 12, 2024
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventor: Chih-Cheng LI
  • Publication number: 20240407144
    Abstract: A circuit board assembly includes a circuit board, a noise source and a shielding cover. The circuit board has an upper surface, a lower surface and a plurality of grounding areas. The lower surface faces away from the upper surface, and the grounding areas are located at the lower surface. The noise source is located at the upper surface of the circuit board. The shielding cover includes a covering body and a plurality of elastic grounding arms. The covering body is in contact with the upper surface and covers the noise source. The elastic grounding arms are connected to the covering body. The elastic grounding arms are in contact with the lower surface of the circuit board and respectively in electrical contact with the grounding areas.
    Type: Application
    Filed: August 22, 2023
    Publication date: December 5, 2024
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Yu Shu TAI, Chih-Cheng LI
  • Patent number: 11622034
    Abstract: An electronic apparatus includes a display module and a plurality of metallic elements. The metallic elements at least partially surround at least three sides of the display module to form a metallic frame. The metallic frame is configured to receive a fifth generation (5G) mobile signal, in which adjacent two of the metallic elements have a gap therebetween.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: April 4, 2023
    Assignees: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Pei-Ling Teng, Chih-Cheng Li
  • Patent number: 11502399
    Abstract: An antenna device includes a housing and a printed antenna. The housing includes a front glass shell, a rear glass shell, and a metal bracket. The metal bracket is between the front glass shell and the rear glass shell, and the metal bracket is connected to outer peripheries of the front glass shell and the rear glass shell to form an accommodation space together. The metal bracket includes a first frame portion, a second frame portion, and an opening, and the opening is defined between the first and second frame portions. The printed antenna is arranged in the housing and between the first and second frame portions, and the opening exposes at least a portion of the printed antenna.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 15, 2022
    Assignees: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventor: Chih-Cheng Li
  • Publication number: 20220140476
    Abstract: An antenna device includes a housing and a printed antenna. The housing includes a front glass shell, a rear glass shell, and a metal bracket. The metal bracket is between the front glass shell and the rear glass shell, and the metal bracket is connected to outer peripheries of the front glass shell and the rear glass shell to form an accommodation space together. The metal bracket includes a first frame portion, a second frame portion, and an opening, and the opening is defined between the first and second frame portions. The printed antenna is arranged in the housing and between the first and second frame portions, and the opening exposes at least a portion of the printed antenna.
    Type: Application
    Filed: December 23, 2020
    Publication date: May 5, 2022
    Inventor: Chih-Cheng LI
  • Publication number: 20220140470
    Abstract: An electronic device includes a first body, a second body, a hinge, and at least one flexible board. The first body includes a first casing, a panel, and at least one antenna structure. The panel and the at least one antenna structure are disposed in the first casing. The second body includes a second casing, a keyboard, and a radio frequency module. The keyboard and the radio frequency module are disposed in the second casing. The hinge is used to connect the first body and the second body, and the hinge includes a space. The at least one flexible board is coupled to the at least one antenna structure of the first body and the radio frequency module of the second body through the space of the hinge.
    Type: Application
    Filed: December 23, 2020
    Publication date: May 5, 2022
    Inventor: Chih-Cheng LI
  • Patent number: 11217887
    Abstract: An antenna module includes a grounding plane, a first high-frequency radiator, a second high-frequency radiator, and a low-frequency grounding component. The first high-frequency radiator includes a first feeding portion, a first grounding portion, and a first radiating portion. The first grounding portion is coupled to the grounding plane. The second high-frequency radiator includes a second feeding portion, a second grounding portion, and a second radiating portion. The second grounding portion is coupled to the grounding plane. The low-frequency grounding component located between the first and second high-frequency radiators. The low-frequency grounding component includes a third grounding portion which is coupled to the grounding plane, a first coupling portion, and a second coupling portion. The low-frequency grounding component extends from the third grounding portion and extends in a first direction and a second direction of a first axis respectively to form the first and second coupling portions.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: January 4, 2022
    Assignees: Inventec (Pudong) Technology Corporation, INVENTEC CORPORATION
    Inventors: Chih-Cheng Li, Ssu-Han Ting
  • Publication number: 20210392215
    Abstract: An electronic apparatus includes a display module and a plurality of metallic elements. The metallic elements at least partially surround at least three sides of the display module to form a metallic frame. The metallic frame is configured to receive a fifth generation (5G) mobile signal, in which adjacent two of the metallic elements have a gap therebetween.
    Type: Application
    Filed: August 14, 2020
    Publication date: December 16, 2021
    Inventors: Pei-Ling TENG, Chih-Cheng LI
  • Publication number: 20210376459
    Abstract: An antenna module includes a grounding plane, a first high-frequency radiator, a second high-frequency radiator, and a low-frequency grounding component. The first high-frequency radiator includes a first feeding portion, a first grounding portion, and a first radiating portion. The first grounding portion is coupled to the grounding plane. The second high-frequency radiator includes a second feeding portion, a second grounding portion, and a second radiating portion. The second grounding portion is coupled to the grounding plane. The low-frequency grounding component located between the first and second high-frequency radiators. The low-frequency grounding component includes a third grounding portion which is coupled to the grounding plane, a first coupling portion, and a second coupling portion. The low-frequency grounding component extends from the third grounding portion and extends in a first direction and a second direction of a first axis respectively to form the first and second coupling portions.
    Type: Application
    Filed: June 16, 2020
    Publication date: December 2, 2021
    Inventors: Chih-Cheng LI, Ssu-Han TING
  • Patent number: 10788866
    Abstract: A portable electronic device comprises a main body and an antenna. The main body comprises a first casing, a second casing and a hinge. The antenna comprises a first metal layer, a second metal layer and a balun transformer. The first metal layer formed at the first casing has a first bending side edge. The second metal layer formed at the second casing has a second bending side edge. A tapered slot is formed between the second bending side edge and the first bending side edge, and comprises a necking end and a flaring end. The balun transformer disposed in the first casing, the second casing or the hinge has one signal input terminal and two signal output terminals, receives a feed signal and a ground signal via the signal input terminal to generate two balanced signals, and respectively outputs the balanced signals via the signal output terminals.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: September 29, 2020
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Ssu Han Ting, Chih-Cheng Li
  • Patent number: 10700425
    Abstract: A multi-feed antenna comprises a first antenna component, a second antenna component, a metal board and an isolation assembly. The first antenna component comprises a first signal feed-in terminal and a first free end, with the first signal feed-in terminal configured for receiving a first feed-in signal. The second antenna component comprises a second signal feed-in terminal and a second free end, with the second signal feed-in terminal configured for receiving a second feed-in signal. The metal board comprises a first section, a second section and a third section between the first and second sections. The first section and the first free end define a first gap therebetween, and the second section and the second free end define a second gap therebetween. The isolation assembly is electrically connected with the third section, comprises a ground terminal, and is configured for isolating the first and second feed-in signals.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: June 30, 2020
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventor: Chih-Cheng Li
  • Publication number: 20200168988
    Abstract: A multi-feed antenna comprises a first antenna component, a second antenna component, a metal board and an isolation assembly. The first antenna component comprises a first signal feed-in terminal and a first free end, with the first signal feed-in terminal configured for receiving a first feed-in signal. The second antenna component comprises a second signal feed-in terminal and a second free end, with the second signal feed-in terminal configured for receiving a second feed-in signal. The metal board comprises a first section, a second section and a third section between the first and second sections. The first section and the first free end define a first gap therebetween, and the second section and the second free end define a second gap therebetween. The isolation assembly is electrically connected with the third section, comprises a ground terminal, and is configured for isolating the first and second feed-in signals.
    Type: Application
    Filed: December 10, 2018
    Publication date: May 28, 2020
    Inventor: Chih-Cheng LI
  • Patent number: 10459494
    Abstract: A portable electronic device comprises a main body and an antenna. The main body comprises a first casing, a second casing and a hinge, with the hinge connecting the first casing and the second casing so as to allow the first casing to be flipped relatively to the second casing. The antenna comprises a radiation structure and an excitation circuit. The radiation structure comprises a first metal layer and a second metal layer, with the first metal layer disposed at the first casing, the second metal layer disposed at the second casing, and a slot formed between the first metal layer and the second metal layer. The excitation circuit is disposed in the first casing, and comprising an electromagnetic wave emitting portion configured to emit an electromagnetic wave towards the slot.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 29, 2019
    Assignees: Inventec (Pudong) Technology Corporation, Inventec Corporation
    Inventors: Ssu Han Ting, Chih-Cheng Li
  • Publication number: 20190294216
    Abstract: A portable electronic device comprises a main body and an antenna. The main body comprises a first casing, a second casing and a hinge, with the hinge connecting the first casing and the second casing so as to allow the first casing to be flipped relatively to the second casing. The antenna comprises a radiation structure and an excitation circuit. The radiation structure comprises a first metal layer and a second metal layer, with the first metal layer disposed at the first casing, the second metal layer disposed at the second casing, and a slot formed between the first metal layer and the second metal layer. The excitation circuit is disposed in the first casing, and comprising an electromagnetic wave emitting portion configured to emit an electromagnetic wave towards the slot.
    Type: Application
    Filed: October 31, 2018
    Publication date: September 26, 2019
    Inventors: SSU HAN TING, CHIH-CHENG LI
  • Publication number: 20190273319
    Abstract: A signal input circuit applied to an antenna comprises a balun transformer and a regulation circuit. The balun transformer has one first signal input terminal and two first signal output terminals. The balun transformer receives a feed signal and a ground signal via the first signal input terminal, generates two balanced signals based on the feed signal and the ground signal, and respectively outputs the two balanced signals via the two first signal output terminals. The regulation circuit is configured to adjust the two balanced signals into adjusted signals and has two second signal input terminals and two second signal output terminals, with the two second signal input terminals respectively connected with the two first signal output terminals of the balun transformer, and the two second signal output terminals configured to respectively output the two adjusted signals to an emitting portion of the antenna.
    Type: Application
    Filed: November 13, 2018
    Publication date: September 5, 2019
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Ssu Han TING, Chih-Cheng LI
  • Publication number: 20190212789
    Abstract: A portable electronic device comprises a main body and an antenna. The main body comprises a first casing, a second casing and a hinge. The antenna comprises a first metal layer, a second metal layer and a balun transformer. The first metal layer formed at the first casing has a first bending side edge. The second metal layer formed at the second casing has a second bending side edge. A tapered slot is formed between the second bending side edge and the first bending side edge, and comprises a necking end and a flaring end. The balun transformer disposed in the first casing, the second casing or the hinge has one signal input terminal and two signal output terminals, receives a feed signal and a ground signal via the signal input terminal to generate two balanced signals, and respectively outputs the balanced signals via the signal output terminals.
    Type: Application
    Filed: November 13, 2018
    Publication date: July 11, 2019
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Ssu Han TING, Chih-Cheng LI
  • Patent number: 10165674
    Abstract: A circuit board includes a dielectric layer, a conductive layer disposed on a surface of the dielectric layer, and an electromagnetic bandgap (EBG) structure disposed in the dielectric layer. The electromagnetic bandgap structure includes a via and a signal suppression board. Two opposite ends of the via are respectively connected to the electrically conductive layer and the signal suppression board respectively. The signal suppression board has at least one hollow pattern.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: December 25, 2018
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Chih-Cheng Li, Yung-Chin Hsieh
  • Publication number: 20150145731
    Abstract: The disclosure relates to an electronic device including a metallic shell. The electronic device is characterized in that the metallic shell has a groove. The groove separates the metallic shell into a main portion and an antenna portion. The main portion and the antenna are electrically insulated from each other.
    Type: Application
    Filed: April 1, 2014
    Publication date: May 28, 2015
    Applicants: INVENTEC CORPORATION, Inventec (Pudong) Technology Corporation
    Inventors: Wei-Chang JHANG, Chun-Sheng WU, Chih-Cheng LI