Patents by Inventor Yi-Jui Chen

Yi-Jui Chen 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: 12315436
    Abstract: A display panel and a pixel circuit thereof are provided. A pulse width signal generator turns on a charge sharing switch during a light-emitting period, and performs charge sharing with a control end of a positive feedback switch of a positive feedback circuit, so as to control the positive feedback switch to provide a positive feedback voltage to the pulse width signal generator to increase a voltage at an output end of the pulse width signal generator and thus to accelerate a rising speed of a voltage for controlling a driving current generator to provide a driving current.
    Type: Grant
    Filed: July 16, 2024
    Date of Patent: May 27, 2025
    Assignee: AUO Corporation
    Inventors: Chih-Lung Lin, Yi-Jui Chen, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
  • Publication number: 20250111818
    Abstract: A display device includes an emission circuit, a first control circuit and a second control circuit. The emission circuit is coupled to a first node and is configured to emit light based on an emission signal and a voltage level of the first node. The first control circuit is configured to charge the first node based on a sweep signal and the emission signal. The second control circuit is configured to discharge the first node based on the sweep signal and the emission signal.
    Type: Application
    Filed: August 30, 2024
    Publication date: April 3, 2025
    Inventors: Chih-Lung LIN, Yi-Jui CHEN, Sung-Chun CHEN, Ming-Yang DENG, Chia-Tien PENG
  • Publication number: 20250029538
    Abstract: Disclosed is a pixel circuit. A pulse width signal generator provides a pulse width signal to a control terminal of a light-emitting control switch on a drive current path of a drive current generator. A multiple lighting controller adjusts the pulse width signal provided by the pulse width signal generator according to a multiple emission control signal to allow a light-emitting element to perform multi-emission.
    Type: Application
    Filed: July 17, 2024
    Publication date: January 23, 2025
    Applicant: AUO Corporation
    Inventors: Chih-Lung Lin, Yi-Jui Chen, Jui-Hung Chang, Yi-Chien Chen, Ming-Yang Deng, Ming-Hung Chuang
  • Publication number: 20250029550
    Abstract: A display panel and a pixel circuit thereof are provided. A pulse width signal generator turns on a charge sharing switch during a light-emitting period, and performs charge sharing with a control end of a positive feedback switch of a positive feedback circuit, so as to control the positive feedback switch to provide a positive feedback voltage to the pulse width signal generator to increase a voltage at an output end of the pulse width signal generator and thus to accelerate a rising speed of a voltage for controlling a driving current generator to provide a driving current.
    Type: Application
    Filed: July 16, 2024
    Publication date: January 23, 2025
    Applicant: AUO Corporation
    Inventors: Chih-Lung Lin, Yi-Jui Chen, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
  • Publication number: 20240322729
    Abstract: A motor driver is provided. The motor driver includes an AC/DC converter, a DC/AC converter, a heat dissipation plate and a busbar module. The AC/DC converter converts an AC input power to a DC power and includes a first thermal module, a second thermal module, a first capacitor pack and a second capacitor pack. The DC/AC converter is connected with the AC/DC converter, converts the DC power to an AC output power, and includes a third thermal module. The heat dissipation plate includes an upper surface and a lower surface. The first thermal module is disposed on the upper surface. The second thermal module and the third thermal module are disposed on two opposite surfaces, respectively. The first capacitor pack is disposed on the upper surface. The second capacitor pack is disposed on the lower surface and corresponding to the first capacitor pack.
    Type: Application
    Filed: January 3, 2024
    Publication date: September 26, 2024
    Inventors: Kai-Wei Hu, Yi-Jui Chen, Chih-Hung Chen, Lei-Chung Hsing
  • Patent number: 11514167
    Abstract: A computer system having a firmware verification mechanism includes a plurality of non-transitory storage circuits and a processing circuit. Each of the non-transitory storage circuits stores at least one of a plurality of strings not generated by using a random number. The processing circuit is configured to perform steps for firmware verification. The firmware verification includes the following steps. A to-be verified block of the device firmware is loaded. A plurality of public key composition strings of the strings are retrieved from the non-transitory storage circuits to combine the public key composition strings into a public key. The to-be verified block is compared with the public key to determine whether the to-be verified block is generated based on a private key calculated from the public key. When the to-be verified block is generated by the private key, it continues to perform a chain of trust verification.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: November 29, 2022
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventor: Yi-Jui Chen
  • Publication number: 20210248238
    Abstract: A computer system having a firmware verification mechanism includes a plurality of non-transitory storage circuits and a processing circuit. Each of the non-transitory storage circuits stores at least one of a plurality of strings not generated by using a random number. The processing circuit is configured to perform steps for firmware verification. The firmware verification includes the following steps. A to-be verified block of the device firmware is loaded. A plurality of public key composition strings of the strings are retrieved from the non-transitory storage circuits to combine the public key composition strings into a public key. The to-be verified block is compared with the public key to determine whether the to-be verified block is generated based on a private key calculated from the public key. When the to-be verified block is generated by the private key, it continues to perform a chain of trust verification.
    Type: Application
    Filed: February 8, 2021
    Publication date: August 12, 2021
    Inventor: Yi-Jui CHEN
  • Publication number: 20110103446
    Abstract: A test system for testing an electronic device is disclosed. The test system includes a signal generator for generating an input signal, a signal splitter for splitting the input signal into a first splitting signal and a second splitting signal, a micro control unit for generating a first control signal and a second control signal, a first transmission interface for transmitting the first splitting signal and the first control signal, a second transmission interface for transmitting the second splitting signal and the second control signal, and a first signal adjustment unit for transforming the first splitting signal to a first test signal for test according to the first control signal.
    Type: Application
    Filed: June 10, 2010
    Publication date: May 5, 2011
    Inventors: Po-Yi Chen, Yi-Jui Chen, Min-Jung Wu, Feng-Chi Chan, Kuo-Wei Chen