Patents by Inventor Che-Wei Yeh

Che-Wei Yeh 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: 11974371
    Abstract: A light-emitting diode LED driver and a LED driving device including the LED driver are provided. The light-emitting diode LED driver includes a decoding circuit that receives a data signal and decodes the data signal to generate display data used to drive LEDs to emit light and display and a recovered clock signal. Further provided is an encoding circuit that encodes the decoded display data by using the recovered clock signal to generate an encoded data signal, where the data signal is encoded in a first encoding format, and the encoded data signal is encoded in a second encoding format.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: April 30, 2024
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Yu-Hsiang Wang, Che-Wei Yeh, Keko-Chun Liang, Yong-Ren Fang, Yi-Chuan Liu
  • Patent number: 11854471
    Abstract: The present disclosure provides a method for a display driver system and a display driver system.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: December 26, 2023
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Hsu-Chih Wei, Po-Hsiang Fang, Keko-Chun Liang, Che-Wei Yeh, Ju-Lin Huang
  • Patent number: 11824966
    Abstract: A transmitter is configured to transmit a series of command signals and a series of data signals. The transmitter includes a serializer and a multiplexer. The serializer is configured to generate the series of data signals. The multiplexer, coupled to the serializer, is configured to selectively output the series of command signals or the series of data signals.
    Type: Grant
    Filed: January 31, 2021
    Date of Patent: November 21, 2023
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Yong-Ren Fang, Yu-Hsiang Wang, Che-Wei Yeh
  • Patent number: 11749168
    Abstract: The disclosure provides a data receiver, including a first capacitor, a second capacitor, a first inverter and a second inverter. The first capacitor has a first terminal and a second terminal, and the first terminal receives a first input signal. The second capacitor has a third terminal and a fourth terminal, and the third terminal receives a second input signal. The first inverter has a first input terminal and a first output terminal. The second inverter has a second input terminal and a second output terminal. The first input terminal and the second output terminal are coupled to the second terminal of the first capacitor, and the second input terminal and the first output terminal are coupled to the fourth terminal of the second capacitor. The first output terminal generates a first output signal with a first output voltage, and the second output terminal generates a second output signal with a second output voltage.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: September 5, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Ho-Chun Chang, Che-Wei Yeh, Yu-Hsiang Wang, Keko-Chun Liang
  • Publication number: 20230184619
    Abstract: Provided is an underground pipe leak detection system, including a sensing device, a storage device, and a processing device. The sensing device is used for collecting a voice signal from an underground pipe during a time period. The storage device is used for storing a voice dataset, and storing the voice signal transmitted by the sensing device. The processing device may access the storage device. The processing device is configured to execute the following operations: training a classification model using the voice dataset; extracting features of the voice signal; inputting the features of the voice signal into the classification model that has been trained to determine if there is a leak in the underground pipe.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 15, 2023
    Inventors: Sheng-Cyuan FAN, Che-Wei YEH, Wun-Sheng HUANG, Long HE, Chien-Cheng CHU, Hsin-Yu CHIU, Feng-Jie TSAI, Fu-Te HSU
  • Patent number: 11659136
    Abstract: A data conversion device includes a storage circuit and a frequency tuning circuit. The storage circuit is configured to store a pixel data in a high definition multimedia interface (HDMI) signal according to a first clock, and output an image data according to a second clock. The frequency tuning circuit is configured to adjust the second clock according to a control signal and the second clock in the HDMI signal, and transmit the adjusted second clock to the storage circuit.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 23, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Che-Wei Yeh, Chien-Hsun Lu, Zhan-Yao Gu, Chun-Chieh Chan
  • Publication number: 20230005451
    Abstract: A control system includes a plurality of driving circuits coupled in series, which include a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a first flag signal selector. The first transmitter is coupled to the first receiver, and the first flag signal selector is coupled between the first receiver and the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver, a second transmitter and a second flag signal selector. The second transmitter is coupled to the second receiver, and the second flag signal selector is coupled between the second receiver and the second transmitter.
    Type: Application
    Filed: September 14, 2022
    Publication date: January 5, 2023
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu, Yi-Yang Tsai, Po-Hsiang Fang
  • Patent number: 11545081
    Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N?1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N?1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: January 3, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
  • Patent number: 11527195
    Abstract: A display control system includes a plurality of driver circuits connected in series. A driver circuit among the plurality of driver circuits includes a receiver, a duty cycle correction circuit and a transmitter. The receiver is configured to receive a first signal from a previous driver circuit among the plurality of driver circuits. The duty cycle correction circuit, coupled to the receiver, is configured to adjust a duty cycle of the first signal to generate a second signal. The transmitter, coupled to the duty cycle correction circuit, is configured to transmit the second signal to a next driver circuit among the plurality of driver circuits.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: December 13, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
  • Patent number: 11521542
    Abstract: The present disclosure provides a method for a display driver system and a display driver system.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: December 6, 2022
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Hsu-Chih Wei, Po-Hsiang Fang, Keko-Chun Liang, Che-Wei Yeh, Ju-Lin Huang
  • Patent number: 11509296
    Abstract: A clock generator includes a pulse generator and a duty cycle correction circuit. The pulse generator is configured to receive an input clock signal and generate a pulse signal according to the input clock signal. The duty cycle correction circuit, coupled to the pulse generator, is configured to adjust a duty cycle of the pulse signal to generate an output clock signal.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: November 22, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yi-Chuan Liu
  • Patent number: 11493196
    Abstract: An assembly structure includes an outer joint assembly and an inner joint assembly. At least one terminal portion of the outer joint assembly is hollow to form an accommodating space, the outer joint assembly includes an outer casing and at least one elastic sheet, the elastic sheet has a fixed end and a free end, the fixed end is connected to the outer casing, and the free end is provided with a first engaging part. The outer surface of the inner joint assembly is provided with a second engaging part, the inner joint assembly is used to extend into the accommodating space, and the first engaging part and the second engaging part are used to engage with each other. Through the above design, the assembly structure has quick connect capability, which makes it more convenient for users to use.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: November 8, 2022
    Assignee: TAIWAN OASIS TECHNOLOGY CO., LTD.
    Inventors: Shih-Meng Liao, Che-Wei Yeh
  • Publication number: 20220345123
    Abstract: A clock generator includes a pulse generator and a duty cycle correction circuit. The pulse generator is configured to receive an input clock signal and generate a pulse signal according to the input clock signal. The duty cycle correction circuit, coupled to the pulse generator, is configured to adjust a duty cycle of the pulse signal to generate an output clock signal.
    Type: Application
    Filed: April 25, 2021
    Publication date: October 27, 2022
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yi-Chuan Liu
  • Publication number: 20220343833
    Abstract: A display control system includes a plurality of driver circuits connected in series. A driver circuit among the plurality of driver circuits includes a receiver, a duty cycle correction circuit and a transmitter. The receiver is configured to receive a first signal from a previous driver circuit among the plurality of driver circuits. The duty cycle correction circuit, coupled to the receiver, is configured to adjust a duty cycle of the first signal to generate a second signal. The transmitter, coupled to the duty cycle correction circuit, is configured to transmit the second signal to a next driver circuit among the plurality of driver circuits.
    Type: Application
    Filed: April 22, 2021
    Publication date: October 27, 2022
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
  • Publication number: 20220341578
    Abstract: An assembly structure includes an outer joint assembly and an inner joint assembly. At least one terminal portion of the outer joint assembly is hollow to form an accommodating space, the outer joint assembly includes an outer casing and at least one elastic sheet, the elastic sheet has a fixed end and a free end, the fixed end is connected to the outer casing, and the free end is provided with a first engaging part. The outer surface of the inner joint assembly is provided with a second engaging part, the inner joint assembly is used to extend into the accommodating space, and the first engaging part and the second engaging part are used to engage with each other. Through the above design, the assembly structure has quick connect capability, which makes it more convenient for users to use.
    Type: Application
    Filed: April 27, 2021
    Publication date: October 27, 2022
    Inventors: Shih-Meng Liao, Che-Wei Yeh
  • Patent number: 11482293
    Abstract: A control system includes a plurality of driving circuits coupled in series, which includes a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a replica receiver. The first transmitter is coupled to the first receiver, and the replica receiver is coupled to an output terminal of the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver and a second transmitter. The second receiver is coupled to the first transmitter, and the second transmitter is coupled to the second receiver.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: October 25, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu, Yi-Yang Tsai, Po-Hsiang Fang
  • Patent number: 11430382
    Abstract: A LED driving apparatus with differential signal interfaces is introduced, including: N-stages LED drivers, wherein the first stage LED driver receives a first data packet differential signal and a first clock differential signal and outputs a second data packet differential signal and a second clock differential signal, the Mth stage LED driver receives a Mth data packet differential signal and a Mth clock differential signal and outputs a (M+1)th data packet differential signal and a (M+1)th clock differential signal.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 30, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Po-Hsiang Fang, Ju-Lin Huang
  • Publication number: 20220254305
    Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N?1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N?1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.
    Type: Application
    Filed: April 14, 2022
    Publication date: August 11, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
  • Patent number: 11341904
    Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N?1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N?1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: May 24, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
  • Publication number: 20220124282
    Abstract: A data conversion device includes a storage circuit and a frequency tuning circuit. The storage circuit is configured to store a pixel data in a high definition multimedia interface (HDMI) signal according to a first clock, and output an image data according to a second clock. The frequency tuning circuit is configured to adjust the second clock according to a control signal and the second clock in the HDMI signal, and transmit the adjusted second clock to the storage circuit.
    Type: Application
    Filed: March 31, 2021
    Publication date: April 21, 2022
    Inventors: CHE-WEI YEH, CHIEN-HSUN LU, ZHAN-YAO GU, CHUN-CHIEH CHAN