Patents by Inventor Li-Chun Lee

Li-Chun Lee 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: 10854973
    Abstract: An antenna apparatus and an electronic apparatus are provided. The electronic apparatus includes the antenna apparatus. The antenna apparatus includes a radiator, a first and a second impedance control circuit. The radiator receives and transmits a radio frequency (RF) signal. The first impedance control circuit is electrically connected to the radiator and transmits the RF signal. The second impedance control circuit includes an impedance matching circuit and an inductor. The first end of the impedance matching circuit is electrically connected to the radiator. The impedance matching circuit adjusts the impedance matching of the radiator and transmits a sensing signal. The inductor is electrically connected to the second end of the impedance matching circuit. The inductor transmits a sensing signal, and blocks the RF signal. Accordingly, the structures of the antenna and the circuit can be simplified, and the influence between the RF signal and the sensing signal can be reduced.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: December 1, 2020
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: An-Yao Chou, Shih-Chia Liu, Yen-Hao Yu, Li-Chun Lee, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Patent number: 10826178
    Abstract: A multi-band antenna including a ground portion, a first radiation portion, a second radiation portion, a feeding portion and a matching portion is provided. The first radiation portion is disposed beside the ground portion, a first gap is existed between the ground portion and the first radiation portion so as to form a first slot, and the first slot has a first open terminal located at the first gap. The second radiation portion is connected to the first radiation portion. The feeding portion is located between the first radiation portion and the second radiation portion. The matching portion is located in the first slot and connected to the first radiation portion and the ground portion. The feeding portion excites the first slot to generate a first resonant mode. The second radiation portion generates a second resonant mode.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: November 3, 2020
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Wen-Jiao Liao, Hao-Ju Hsieh, Yen-Hao Yu, Shih-Chia Liu, Liang-Che Chou, Li-Chun Lee
  • Publication number: 20200341520
    Abstract: An electronic device including a device body, a first antenna module, a second antenna module, and an electrically conductive structure is provided. The first antenna module is disposed on the device body, and the second antenna module is disposed on the device body. The electrically conductive structure includes a first section and a second section, and the first section is connected between the first antenna module and the second section. The first section is extended along a first direction, the second section is extended toward the second antenna module along a second direction not parallel to the first direction, and the second section and the second antenna module have a gap therebetween.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: I-Lung Chen, Wang-Hung Yeh, Hsiao-Ching Hung, Li-Chun Lee, Shih-Chia Liu, Kun-Rong Lin
  • Patent number: 10741926
    Abstract: A slot antenna structure for an electronic tag includes a dielectric layer, a conductor layer, a slot area and a capacitance adjustment unit. The electronic tag includes an identification chip. The conductor layer is disposed on the dielectric layer. The slot area is disposed in the conductor layer and includes an open slot, an open end and at least one closed slot. The open end is located at an edge of the conductor layer and extends inwardly to form the open slot for disposing the identification chip. The open slot has two sidewalls, and the two sidewalls have at least one turning point at a bottom portion of the open slot to form the closed slot. The capacitance adjustment unit is disposed on a surface of the dielectric layer different from the conductor layer to correspond to the slot area, thereby generating a capacitance effect.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: August 11, 2020
    Assignee: Compal Electronics, Inc.
    Inventors: Li-Chun Lee, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Publication number: 20200161764
    Abstract: A dual-band antenna is provided. The dual-band antenna includes a first antenna, a second antenna, and a grounding component. The first antenna has a first feed point for transceiving a first signal. The second antenna has a second feed point. The grounding component is electrically coupled to the first feed point and the second feed point, wherein the grounding component forms a first path and a second path between the first feed point and the second feed point, wherein a first path length of the first path and a second path length of the second path are integer multiples of a first wavelength of the first signal.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 21, 2020
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Wen-Jiao Liao, Jhin-Ciang Chen, Shih-Chia Liu, Liang-Che Chou, Yen-Hao Yu, Li-Chun Lee
  • Patent number: 10629990
    Abstract: An antenna structure including a metal element, a first capacitor, a second capacitor, a feeding element and an adjustment element is provided. The metal element has an open slot, and the open slot has an open end, a first slot and a second slot. The first slot and the second slot are respectively disposed on two opposite sides of the open end. The feeding element crosses the first slot. A first end of the feeding element has a feeding point, and a second end of the feeding element is electrically connected to the metal element through the first capacitor. The adjustment element is disposed in the second slot. A first end of the adjustment element is electrically connected to the metal element, and a second end of the adjustment element is electrically connected to the metal element through the second capacitor.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: April 21, 2020
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Li-Chun Lee, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Publication number: 20190348762
    Abstract: An antenna apparatus and an electronic apparatus are provided. The electronic apparatus includes the antenna apparatus. The antenna apparatus includes a radiator, a first and a second impedance control circuit. The radiator receives and transmits a radio frequency (RF) signal. The first impedance control circuit is electrically connected to the radiator and transmits the RF signal. The second impedance control circuit includes an impedance matching circuit and an inductor. The first end of the impedance matching circuit is electrically connected to the radiator. The impedance matching circuit adjusts the impedance matching of the radiator and transmits a sensing signal. The inductor is electrically connected to the second end of the impedance matching circuit. The inductor transmits a sensing signal, and blocks the RF signal. Accordingly, the structures of the antenna and the circuit can be simplified, and the influence between the RF signal and the sensing signal can be reduced.
    Type: Application
    Filed: May 13, 2019
    Publication date: November 14, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: An-Yao Chou, Shih-Chia Liu, Yen-Hao Yu, Li-Chun Lee, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Patent number: 10454167
    Abstract: An antenna structure includes a substrate, a metal element, and a feeding element. The metal element has an open slot. The open slot forms a first resonant path. The substrate is disposed on the metal element. The feeding element is disposed on the substrate, and the metal element and the feeding element are respectively disposed on two opposite sides of the substrate. The feeding element includes a feeding end and a shorting end electrically connected to the metal element. An orthogonal projection of the feeding element on the metal element is partially overlapped with the open slot. The feeding element forms a second resonant path extending from the feeding end to the shorting end. The antenna structure operates in a first band through the first resonant path and operates in a second band through the second resonant path.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: October 22, 2019
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Yen-Hao Yu, Li-Chun Lee, Jui-Hung Lai, Shih-Chia Liu, Jhin-Ciang Chen, Chao-Lin Wu
  • Publication number: 20190305414
    Abstract: A communication apparatus, an electronic apparatus and an antenna adjustment method thereof are provided. The communication apparatus includes an antenna system, a tuning portion and a switch circuit. The antenna system includes at least two antenna units. The tuning portion is disposed between the at least two antenna units and includes at least two branch units. The switch circuit is coupled to the tuning portion. The switch circuit switches a conduction from a first one of the branch units to a second one of the branch units according to a switching signal. The switching signal is related to performances of the antenna system. Accordingly, a dynamic and flexible adjustment mechanism can be provided to increase throughput and improve users' internet experience.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 3, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Liang-Che Chou, Li-Chun Lee, Yu-Chun Hsieh, Mau-Chi Sun, Jui-Hung Lai, Wen-Feng Tsai, Chih-Chien Liu
  • Publication number: 20190237847
    Abstract: The disclosure provides an antenna module adapted for an electronic device having a metal casing. The antenna module includes an antenna structure and a slot structure. The antenna structure includes a radiation portion, a feeding portion, a ground portion and an extension portion, wherein the feeding portion, the ground portion and the extension portion are connected to the radiation portion. The slot structure has an open end and a closed end, wherein the open end of the slot structure is adjacent to the extension portion of the antenna structure. The antenna structure is excited and resonates to generate a first antenna resonant mode, and the slot structure is coupled to the antenna structure and resonates to generate a second antenna resonant mode.
    Type: Application
    Filed: January 21, 2019
    Publication date: August 1, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Chao-Lin Wu, Shih-Chia Liu, Yen-Hao Yu, Li-Chun Lee, Jhin-Ciang Chen, Jui-Hung Lai
  • Publication number: 20190229755
    Abstract: An antenna apparatus, an electronic apparatus and an antenna modification method are provided. The electronic apparatus includes a multiplexer and the antenna apparatus. The multiplexer combines a control signal and a first radio frequency (RF) signal to form a combination signal. The antenna apparatus includes a feeding portion, a de-multiplexer, a modification circuit and a radiation portion. The feeding portion receives the combination signal. The de-multiplexer separates the combination signal into the control signal and the first RF signal. The modification circuit receives the control signal and the first RF signal, and modifies an impedance. The first RF signal is influenced by the impedance to form a second RF signal. The radiation portion receives the second RF signal. Accordingly, merely single cable would be needed for feeding signals into the antenna apparatus.
    Type: Application
    Filed: January 21, 2019
    Publication date: July 25, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Li-Chun Lee, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Publication number: 20190006755
    Abstract: A multi-band antenna including a ground portion, a first radiation portion, a second radiation portion, a feeding portion and a matching portion is provided. The first radiation portion is disposed beside the ground portion, a first gap is existed between the ground portion and the first radiation portion so as to form a first slot, and the first slot has a first open terminal located at the first gap. The second radiation portion is connected to the first radiation portion. The feeding portion is located between the first radiation portion and the second radiation portion. The matching portion is located in the first slot and connected to the first radiation portion and the ground portion. The feeding portion excites the first slot to generate a first resonant mode. The second radiation portion generates a second resonant mode.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 3, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Wen-Jiao Liao, Hao-Ju Hsieh, Yen-Hao Yu, Shih-Chia Liu, Liang-Che Chou, Li-Chun Lee
  • Publication number: 20180090850
    Abstract: An antenna structure including a metal element, a first capacitor, a second capacitor, a feeding element and an adjustment element is provided. The metal element has an open slot, and the open slot has an open end, a first slot and a second slot. The first slot and the second slot are respectively disposed on two opposite sides of the open end. The feeding element crosses the first slot. A first end of the feeding element has a feeding point, and a second end of the feeding element is electrically connected to the metal element through the first capacitor. The adjustment element is disposed in the second slot. A first end of the adjustment element is electrically connected to the metal element, and a second end of the adjustment element is electrically connected to the metal element through the second capacitor.
    Type: Application
    Filed: September 29, 2017
    Publication date: March 29, 2018
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Li-Chun Lee, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Publication number: 20180090840
    Abstract: An antenna structure includes a substrate, a metal element, and a feeding element. The metal element has an open slot. The open slot forms a first resonant path. The substrate is disposed on the metal element. The feeding element is disposed on the substrate, and the metal element and the feeding element are respectively disposed on two opposite sides of the substrate. The feeding element includes a feeding end and a shorting end electrically connected to the metal element. An orthogonal projection of the feeding element on the metal element is partially overlapped with the open slot. The feeding element forms a second resonant path extending from the feeding end to the shorting end. The antenna structure operates in a first band through the first resonant path and operates in a second band through the second resonant path.
    Type: Application
    Filed: September 26, 2017
    Publication date: March 29, 2018
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Yen-Hao Yu, Li-Chun Lee, Jui-Hung Lai, Shih-Chia Liu, Jhin-Ciang Chen, Chao-Lin Wu
  • Patent number: 9899726
    Abstract: An electronic device including a first casing, a second casing, at least one first connecting unit and at least one feeding unit is provided. The first casing includes a conductive material. The second casing includes a conductive material. The first casing and the second casing are conducted with each other through the first connecting unit. The feeding unit is electrically connected to the first casing and has a feeding point and a capacitor component, wherein the capacitor component is connected with the feeding point, and the electronic device forms an antenna structure with the first casing, the second casing, the first connecting unit and the feeding unit and transmits an electromagnetic signal via the feeding unit.
    Type: Grant
    Filed: December 25, 2013
    Date of Patent: February 20, 2018
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Li-Chun Lee, Chieh-Tsao Hwang, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen
  • Publication number: 20170207544
    Abstract: A slot antenna structure for an electronic tag includes a dielectric layer, a conductor layer, a slot area and a capacitance adjustment unit. The electronic tag includes an identification chip. The conductor layer is disposed on the dielectric layer. The slot area is disposed in the conductor layer and includes an open slot, an open end and at least one closed slot. The open end is located at an edge of the conductor layer and extends inwardly to form the open slot for disposing the identification chip. The open slot has two sidewalls, and the two sidewalls have at least one turning point at a bottom portion of the open slot to form the closed slot. The capacitance adjustment unit is disposed on a surface of the dielectric layer different from the conductor layer to correspond to the slot area, thereby generating a capacitance effect.
    Type: Application
    Filed: January 18, 2017
    Publication date: July 20, 2017
    Inventors: Li-Chun Lee, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen, Chao-Lin Wu, Jui-Hung Lai
  • Patent number: 9444128
    Abstract: An electronic device having antenna structure is provided. The electronic device includes a first body, a pivot assembly, a second body and an antenna structure. The pivot assembly is pivoted to the first body along a first axis. The second body is pivoted to the pivot assembly along a second axis. The antenna structure is disposed in the pivot assembly and has a first radiation portion, a second radiation portion and a third radiation portion. The first radiation portion and the second radiation portion have a slot therebetween to form a slot antenna. The third radiation portion forms a monopole antenna and is aligned to the slot. The third radiation portion and the slot are not coplanar.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: September 13, 2016
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Li-Chun Lee, Chieh-Tsao Hwang, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen
  • Patent number: 9391359
    Abstract: An electronic device including a first casing, a second casing, at least one first connecting unit and at least one feeding unit is provided. The first casing includes a conductive material. The second casing includes a conductive material. The first casing and the second casing are conducted with each other through the first connecting unit. The feeding unit is electrically connected to the first casing and the second casing, wherein the electronic device forms an antenna structure with the first casing, the second casing, the first connecting unit and the feeding unit and transmits an electromagnetic signal via the feeding unit.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: July 12, 2016
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Shih-Chia Liu, Chieh-Tsao Hwang, Kuo-Chiang Hung, Li-Chun Lee, Ching-Fu Yang, Chung-Yi Kao
  • Publication number: 20150295303
    Abstract: An electronic device having antenna structure is provided. The electronic device includes a first body, a pivot assembly, a second body and an antenna structure. The pivot assembly is pivoted to the first body along a first axis. The second body is pivoted to the pivot assembly along a second axis. The antenna structure is disposed in the pivot assembly and has a first radiation portion, a second radiation portion and a third radiation portion. The first radiation portion and the second radiation portion have a slot therebetween to form a slot antenna. The third radiation portion forms a monopole antenna and is aligned to the slot. The third radiation portion and the slot are not coplanar.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 15, 2015
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Li-Chun Lee, Chieh-Tsao Hwang, Shih-Chia Liu, Yen-Hao Yu, Jhin-Ciang Chen
  • Publication number: 20150130666
    Abstract: An assembled wearable electronic device includes a first body, a second body and an engaging assembly. The first body has a primary system for providing the independent operation of the first body and producing a related first data. The second body has a secondary system and a fixing assembly. The secondary system is for providing the independent operation of the second body and producing a related second data. The engaging assembly is disposed at one of the first and second bodies. When the engaging assembly is located at a first position, the first and second bodies contact each other to be combined through the engaging assembly. When the engaging assembly moves to a second position, the first and second bodies are configured to be separated from each other. When the first and second bodies are connected to each other, the second data is read by the primary system.
    Type: Application
    Filed: April 30, 2014
    Publication date: May 14, 2015
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Hung-Sung Pan, Chung-Hao Kuo, Chun-Liang Wu, Hung-Jui Lin, Cheng-Hsien Hsieh, Long-Cheng Chang, Chin-Kuo Huang, Yen-Hao Yu, Jhin-Ciang Chen, Shih-Chia Liu, Li-Chun Lee, Chang-Hua Wei, Ting-Wei Wu, Pei-Pin Huang, Pei-Jen Lin