Patents by Inventor Yi-Chieh Lee

Yi-Chieh 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: 11973261
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a metallic housing, a first feed portion, and a second feed portion. The metallic housing includes a metallic side frame and a metallic back board. The metallic side frame defines a slot, and first and second gaps. The metallic side frame between the first gap and one end of the slot forms a first radiation portion. The second gap divides the first radiation portion into first and second radiation sections. The first feed portion feeds current and signal to the first radiation section, and the first radiation section works in a GPS mode and a WIFI 2.4 GHz mode. The second feed portion feeds current and signal to the second radiation section, and the second radiation section works in a WIFI 5 GHz mode.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: April 30, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Kun-Lin Sung, Yung-Chin Chen, Yi-Chieh Lee
  • Publication number: 20240136463
    Abstract: This disclosure discloses an optical sensing device. The device includes a carrier body; a first light-emitting device disposed on the carrier body; and a light-receiving device including a group III-V semiconductor material disposed on the carrier body, including a light-receiving surface having an area, wherein the light-receiving device is capable of receiving a first received wavelength having a largest external quantum efficiency so the ratio of the largest external quantum efficiency to the area is ?13.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 25, 2024
    Applicant: EPISTAR CORPORATION
    Inventors: Yi-Chieh LIN, Shiuan-Leh LIN, Yung-Fu CHANG, Shih-Chang LEE, Chia-Liang HSU, Yi HSIAO, Wen-Luh LIAO, Hong-Chi SHIH, Mei-Chun LIU
  • Patent number: 11960332
    Abstract: An electronic device including a hinge module, a first body, a second body, and a flexible display assembled to the first body and the second body is provided. Each of the first body and the second body is pivoted and slidably connected to the hinge module, and a cover of the hinge module is exposed out of the first body and the second body. The first body and the second body are rotated relatively via the hinge module to bend or flatten the flexible display, when the flexible display is bending from a flat state, a bending portion of the flexible display leans against the cover and pushes the cover away from the first body and the second body.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: April 16, 2024
    Assignee: Acer Incorporated
    Inventors: Yi-Ta Huang, Cheng-Nan Ling, Wu-Chen Lee, Wen-Chieh Tai, Kun-You Chuang
  • Patent number: 11956541
    Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: April 9, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Sung-Mao Tsai, Yueh-Lin Lee, Yu-Chiao Lo, Mao-Kuo Hsu, Ching-Chieh Huan, Yi-Chun Cheng
  • Patent number: 11950491
    Abstract: A semiconductor mixed material comprises an electron donor, a first electron acceptor and a second electron acceptor. The first electron donor is a conjugated polymer. The energy gap of the first electron acceptor is less than 1.4 eV. At least one of the molecular stackability, ?-?*stackability, and crystallinity of the second electron acceptor is smaller than the first electron acceptor. The electron donor system is configured to be a matrix to blend the first electron acceptor and the second electron acceptor. The present invention also provides an organic electronic device including the semiconductor mixed material.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: April 2, 2024
    Assignee: RAYNERGY TEK INCORPORATION
    Inventors: Yi-Ming Chang, Chuang-Yi Liao, Wei-Long Li, Yu-Tang Hsiao, Chun-Chieh Lee, Chia-Hua Li, Huei-Shuan Tan
  • Patent number: 11936238
    Abstract: An uninterruptible power apparatus is coupled between a power grid and a load. The uninterruptible power apparatus includes a bypass path, a power conversion module, and a control module. The bypass path is coupled to the power grid through a grid terminal, and coupled to the load through a load terminal. The control module turns off a first thyristor and a second thyristor by injecting a second voltage into the load terminal during a forced commutation period. The control module calculates a magnetic flux offset amount based on an error amount between the second voltage and a voltage command, and provides a compensation command in response to the magnetic flux offset amount. The control module controls the DC/AC conversion circuit to provide a third voltage to the load terminal based on the compensation command and the voltage command.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: March 19, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Hsin-Chih Chen, Hung-Chieh Lin, Chao-Lung Kuo, Yi-Ping Hsieh, Chien-Shien Lee
  • Publication number: 20240079524
    Abstract: A semiconductor device comprises a first semiconductor structure, a second semiconductor structure located on the first semiconductor structure, and an active layer located between the first semiconductor structure and the second semiconductor structure. The first semiconductor structure has a first conductivity type, and includes a plurality of first layers and a plurality of second layers alternately stacked. The second semiconductor structure has a second conductivity type opposite to the first conductivity type. The plurality of first layers and the plurality of second layers include indium and phosphorus, and the plurality of first layers and the plurality of second layers respectively have a first indium atomic percentage and a second indium atomic percentage. The second indium atomic percentage is different from the first indium atomic percentage.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 7, 2024
    Inventors: Wei-Jen HSUEH, Shih-Chang LEE, Kuo-Feng HUANG, Wen-Luh LIAO, Jiong-Chaso SU, Yi-Chieh LIN, Hsuan-Le LIN
  • Publication number: 20240073563
    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 the time ratio of the line time difference and the frame period. The TDI sensor further records defect pixels of a pixel array such that in integrating pixel data to integrators, the pixel data associated with the defect pixels is not integrated into corresponding integrators.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Inventors: Ren-Chieh LIU, Chao-Chi LEE, Yi-Yuan CHEN, En-Feng HSU
  • Publication number: 20230275344
    Abstract: An antenna structure applied in a wearable device includes a ceramic layer, a plastic layer, a radiating portion, a feed portion; and a connecting portion. The ceramic layer includes a first surface and a second surface corresponding to each other. The plastic layer is connected to the second surface. The radiating portion is a predetermined metal pattern and arranged in the first surface. The connecting portion passes through the plastic layer and is electrically connected to the feed portion. The feed portion feeds an electrical current to the radiating portion to generate radiation signals in at least one radiation frequency band. A wearable device having the antenna structure is also provided.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 31, 2023
    Inventors: CHO-KANG HSU, YI-CHIEH LEE, JUNG-CHIN LIN, CHANG-YI PENG, HSIN-SHENG HUANG
  • Publication number: 20230275341
    Abstract: An antenna structure applied in a wearable device includes a first radiating portion, a ceramic layer, a plastic layer, and a feed portion. The first radiating portion is a metal structure. The ceramic layer covers and contacts the first radiating portion. The first radiating portion is arranged between the ceramic layer and the plastic layer. The feed portion passes through the plastic layer and feeds an electric current into the first radiating portion, the first radiating portion and the ceramic layer cooperatively generate radiation signals in at least one radiation frequency band. A wearable device having the antenna structure is also provided.
    Type: Application
    Filed: February 22, 2023
    Publication date: August 31, 2023
    Inventors: CHO-KANG HSU, YI-CHIEH LEE, JUNG-CHIN LIN, HSIN-SHENG HUANG, CHANG-YI PENG
  • Patent number: 11637361
    Abstract: An antenna structure includes a metal frame, a feeding portion, and a first ground portion. The metal frame is provided with a slot, a first gap, a second gap, and a third gap. The first gap, the second gap, and the third gap are coupled to the slot, and the slot, the first gap, the second gap, and the third gap divide the metal frame into a radiating portion and a first coupling portion. A portion of the metal frame between the first gap and the third gap form the radiating portion, and a portion of the metal frame between the second gap and the third gap form the first coupling portion. The feeding portion is electrically coupled to the radiating portion to feed an electric signal to the radiating portion. The first ground portion is electrically coupled to the radiating portion to provide ground to the radiating portion.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 25, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yung-Chin Chen, Kun-Lin Sung, Yi-Chieh Lee
  • Patent number: 11431085
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a connection capacitor, and a feed portion. The housing defines at least one gap and a slot dividing the housing into a first radiation portion, a second radiation portion, and a third radiation. The connection capacitor bridges the first gap, connecting the first radiation portion and the second radiation portion. The feed portion is electrically connected to the first radiation portion. The current flows through the first radiation portion and towards the second radiation portion through the connection capacitor. The current is further coupled to the third radiation portion to generate radiation signals in different frequency bands.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: August 30, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yung-Chin Chen, Yi-Chieh Lee, Kun-Lin Sung
  • Patent number: 11228090
    Abstract: An antenna structure for an Access Point includes at least one connecting member and a plurality of radiating portions on a structural rear plate of the Access Point which from. The radiating portions form a plurality of resonance paths. The at least one connecting member feeds current into the plurality of radiating portions, each of the radiating portions generates radiation signals in a first frequency band. A wireless communication device using the antenna structure is also provided.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: January 18, 2022
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Jung-Chin Lin, Yen-Hui Lin, Yi-Chieh Lee, Geng-Hong Liou
  • Publication number: 20210226319
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a metallic housing, a first feed portion, and a second feed portion. The metallic housing includes a metallic side frame and a metallic back board. The metallic side frame defines a slot, and first and second gaps. The metallic side frame between the first gap and one end of the slot forms a first radiation portion. The second gap divides the first radiation portion into first and second radiation sections. The first feed portion feeds current and signal to the first radiation section, and the first radiation section works in a GPS mode and a WIFI 2.4 GHz mode. The second feed portion feeds current and signal to the second radiation section, and the second radiation section works in a WIFI 5 GHz mode.
    Type: Application
    Filed: January 15, 2021
    Publication date: July 22, 2021
    Inventors: KUN-LIN SUNG, YUNG-CHIN CHEN, YI-CHIEH LEE
  • Publication number: 20210218130
    Abstract: An antenna structure includes a metal frame, a feeding portion, and a first ground portion. The metal frame is provided with a slot, a first gap, a second gap, and a third gap. The first gap, the second gap, and the third gap are coupled to the slot, and the slot, the first gap, the second gap, and the third gap divide the metal frame into a radiating portion and a first coupling portion. A portion of the metal frame between the first gap and the third gap form the radiating portion, and a portion of the metal frame between the second gap and the third gap form the first coupling portion. The feeding portion is electrically coupled to the radiating portion to feed an electric signal to the radiating portion. The first ground portion is electrically coupled to the radiating portion to provide ground to the radiating portion.
    Type: Application
    Filed: November 30, 2020
    Publication date: July 15, 2021
    Inventors: YUNG-CHIN CHEN, KUN-LIN SUNG, YI-CHIEH LEE
  • Publication number: 20210151861
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a connection capacitor, and a feed portion. The housing defines at least one gap and a slot dividing the housing into a first radiation portion, a second radiation portion, and a third radiation. The connection capacitor bridges the first gap, connecting the first radiation portion and the second radiation portion. The feed portion is electrically connected to the first radiation portion. The current flows through the first radiation portion and towards the second radiation portion through the connection capacitor. The current is further coupled to the third radiation portion to generate radiation signals in different frequency bands.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 20, 2021
    Inventors: YUNG-CHIN CHEN, YI-CHIEH LEE, KUN-LIN SUNG
  • Patent number: 10644382
    Abstract: An antenna assembly includes a side frame, a feed portion, a ground portion, a radiating portion, and a first matching circuit. The side frame defines a first gap to form a first radiating section from the first gap to a side portion. The radiating portion is inside the side frame and connects to the feed portion and the ground portion, the radiating portion is spaced apart from the side frame and connected to the first radiating section. One end of the first matching circuit connects to an end of the first radiating section adjacent to the first gap, another end connects to the ground portion. The feed portion feeds current into the radiating portion, two opposites ends of the first radiating section and the first matching circuit to activate radiating signals in a first frequency band. A wireless communication device employing the antenna assembly is also provided.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 5, 2020
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Yen-Hui Lin, Yun-Jian Chang, Jung-Chin Lin, Geng-Hong Liou
  • Patent number: 10389010
    Abstract: An antenna structure includes a metallic member, a feed portion, a ground portion and a radiating portion. The metallic member includes a front frame, a backboard, and a side frame. The side frame defines a slot. The front frame defines a first gap and a second gap, which are in communication with the slot and extend across the front frame. A straight portion of the front frame between the first gap and the second gap forms a radiating section. The feed portion and the ground portion are electrically connected to the radiating section. Current enters the radiating section from the feed portion. The current flows through the radiating section and towards the second gap. The radiating portion obtains current from the radiating section by coupling. The radiating section and the radiating portion generate radiation signals in two different frequency bands. A wireless communication device using the antenna structure is provided.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: August 20, 2019
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yi-Chieh Lee, Geng-Hong Liou
  • Publication number: 20190214704
    Abstract: An antenna structure for an Access Point includes at least one connecting member and a plurality of radiating portions on a structural rear plate of the Access Point which from. The radiating portions form a plurality of resonance paths. The at least one connecting member feeds current into the plurality of radiating portions, each of the radiating portions generates radiation signals in a first frequency band. A wireless communication device using the antenna structure is also provided.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 11, 2019
    Inventors: JUNG-CHIN LIN, YEN-HUI LIN, YI-CHIEH LEE, GENG-HONG LIOU
  • Publication number: 20190131694
    Abstract: An antenna assembly includes a side frame, a feed portion, a ground portion, a radiating portion, and a first matching circuit. The side frame defines a first gap to form a first radiating section from the first gap to a side portion. The radiating portion is inside the side frame and connects to the feed portion and the ground portion, the radiating portion is spaced apart from the side frame and connected to the first radiating section. One end of the first matching circuit connects to an end of the first radiating section adjacent to the first gap, another end connects to the ground portion. The feed portion feeds current into the radiating portion, two opposites ends of the first radiating section and the first matching circuit to activate radiating signals in a first frequency band. A wireless communication device employing the antenna assembly is also provided.
    Type: Application
    Filed: September 21, 2018
    Publication date: May 2, 2019
    Inventors: YI-CHIEH LEE, YEN-HUI LIN, YUN-JIAN CHANG, JUNG-CHIN LIN, GENG-HONG LIOU