Patents by Inventor Ming-Yang Deng

Ming-Yang Deng 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: 12354516
    Abstract: A driving circuit includes a driving transistor, first to second capacitors and first to third switching transistors. The driving transistor is configured to control a driving current provided to a light emitting element to emit light. The first capacitor includes a first terminal coupled to a gate terminal of the driving transistor. The first switching transistor coupled between a second terminal of the first capacitor and a driving voltage terminal. The second switching transistor includes a first terminal coupled to a gate terminal of the first switching transistor and a second terminal coupled to a first reference voltage terminal. The third switching transistor coupled between a gate terminal of the second switching transistor and a second reference voltage terminal. The second capacitor includes a first terminal coupled to a gate terminal of the third switching transistor and a second configured to receive a sweep signal.
    Type: Grant
    Filed: August 29, 2024
    Date of Patent: July 8, 2025
    Assignee: AUO CORPORATION
    Inventors: Chih-Lung Lin, Yi-Chien Chen, Jui-Hung Chang, Ming-Yang Deng, Ming-Hung Chuang
  • Publication number: 20250209971
    Abstract: A display device includes multiple pixel driving circuits coupled in series. A first pixel driving circuit of the multiple pixel driving circuits includes a first switch, a capacitor and an accommodation space. A first terminal of the first switch is configured to output the detecting signal. A second terminal of the first switch and a first terminal of the capacitor are coupled to a first node. A second terminal of the capacitor and a first terminal of the accommodation space are coupled to a second node. A second terminal of the accommodation space is configured to receive a reference signal. The accommodating space is configured to accommodate a light-emitting element after a detecting operation. During the detecting operation, an electrical relation between the first terminal of the accommodation space and the second terminal of the accommodation space is determined based on the detecting signal.
    Type: Application
    Filed: October 14, 2024
    Publication date: June 26, 2025
    Inventors: Ming-Yang DENG, Ching-Yang CHENG, Che-Chia CHANG, Ming-Hung CHUANG
  • 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: 20250148963
    Abstract: A driving circuit includes a driving transistor, first to third capacitors and first to second switching transistors. The driving transistor is electrically connected between a first driving voltage terminal and a second driving voltage terminal, configured to control a driving current flowing through a light emitting element. The first switching transistor and the first capacitor are connected in series between a first terminal and a gate terminal of the driving transistor. A first terminal of the second capacitor is electrically connected to a gate terminal of the first switching transistor. The second switching transistor is electrically connected between a second terminal of the second capacitor and a first reference voltage terminal. The third capacitor is electrically connected between a gate terminal of the second switch transistor and a sweep signal line.
    Type: Application
    Filed: October 14, 2024
    Publication date: May 8, 2025
    Inventors: Chih-Lung LIN, Yi-Chien Chen, Sung-Chun Chen, Ming-Yang Deng, Chia-Tien Peng
  • Publication number: 20250148968
    Abstract: A display driving device includes a light emitting circuit, a control circuit, and a boost circuit. The light emitting circuit is coupled to a first node. The light emitting circuit is configured to emit according to a first emission signal, a second emission signal, and a voltage level at the first node. The control circuit is coupled to a second node. The control circuit is configured to charge the second node according to a sweep signal and the first emission signal. The boost circuit is configured to boost and charge a voltage level at the second node to the first node. The voltage level at the first node is greater than the voltage level at the second node.
    Type: Application
    Filed: October 30, 2024
    Publication date: May 8, 2025
    Inventors: Chih-Lung Lin, Cheng-Rui Lu, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
  • Publication number: 20250148967
    Abstract: A display driving device includes an emission circuit and a positive feedback circuit. The emission circuit is coupled to a first node. The emission circuit emits light according to a forward signal, a reverse signal, and a voltage level of the first node. The forward signal and the reverse signal are inversed phase of each other. The positive feedback circuit discharges the first node according to sweep signal.
    Type: Application
    Filed: October 29, 2024
    Publication date: May 8, 2025
    Inventors: Chih-Lung LIN, Cheng-Han KE, Jui-Hung CHANG, 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: 20250111817
    Abstract: A driving circuit includes a driving transistor, first to second capacitors and first to third switching transistors. The driving transistor is configured to control a driving current provided to a light emitting element to emit light. The first capacitor includes a first terminal coupled to a gate terminal of the driving transistor. The first switching transistor coupled between a second terminal of the first capacitor and a driving voltage terminal. The second switching transistor includes a first terminal coupled to a gate terminal of the first switching transistor and a second terminal coupled to a first reference voltage terminal. The third switching transistor coupled between a gate terminal of the second switching transistor and a second reference voltage terminal. The second capacitor includes a first terminal coupled to a gate terminal of the third switching transistor and a second configured to receive a sweep signal.
    Type: Application
    Filed: August 29, 2024
    Publication date: April 3, 2025
    Inventors: Chih-Lung Lin, Yi-Chien Chen, Jui-Hung Chang, Ming-Yang Deng, Ming-Hung Chuang
  • Publication number: 20250111821
    Abstract: A display apparatus is provided. The display apparatus includes a display module and multiple light-emitting driving circuits. Each of the light-emitting driving circuits includes a timing control circuit and a driving circuit. The timing control circuit receives multiple clock signals and a previous light-emitting timing signal to provide a light-emitting timing signal and an internal voltage. The driving circuit receives a first phase signal among multiple phase signals and the internal voltage to provide a light-emitting driving signal to the display module based on the first phase signal and the internal voltage. The phase signals all present disabled levels during a vertical blank period.
    Type: Application
    Filed: July 16, 2024
    Publication date: April 3, 2025
    Applicant: AUO Corporation
    Inventors: Che-Chia Chang, Che-Wei Tung, En-Chih Liu, Yu-Chieh Kuo, Mei-Yi Li, Ming-Hung Chuang, Yu-Hsun Chiu, Chen-Chi Lin, Cheng-Hsing Lin, Shu-Wen Tzeng, Jui-Chi Lo, Ming-Yang Deng
  • 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
  • Patent number: 12205533
    Abstract: A display panel and a light emitting signal generator thereof are provided. The light emitting signal generator includes an output stage circuit, a first control signal generator, a second control signal generator, a switch, and a capacitor. The output stage circuit generates a light emitting signal according to a first control signal and a second control signal. The first control signal generator generates the first control signal at a first control end. The second control signal generator generates the second control signal at a second control end. The switch is coupled between the first control end and the output stage circuit. The first capacitor is coupled to the first control end.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: January 21, 2025
    Assignee: AUO Corporation
    Inventors: Ming-Yang Deng, Ming-Hung Chuang
  • Publication number: 20240161686
    Abstract: A display panel and a light emitting signal generator thereof are provided. The light emitting signal generator includes an output stage circuit, a first control signal generator, a second control signal generator, a switch, and a capacitor. The output stage circuit generates a light emitting signal according to a first control signal and a second control signal. The first control signal generator generates the first control signal at a first control end. The second control signal generator generates the second control signal at a second control end. The switch is coupled between the first control end and the output stage circuit. The first capacitor is coupled to the first control end.
    Type: Application
    Filed: October 23, 2023
    Publication date: May 16, 2024
    Applicant: AUO Corporation
    Inventors: Ming-Yang Deng, Ming-Hung Chuang
  • Patent number: 11967272
    Abstract: A sweep voltage generator and a display panel are provided. The sweep voltage generator includes an output node, a current generating block and a voltage regulating block. The output node is used to provide a sweep signal. The current generating block is coupled to the output node, includes a detection path for detecting an output load variation on the output node, and adjusts the sweep signal provided by the output node based on the output load variation. The voltage regulating block is coupled to the output node for regulating a voltage of the output node.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: April 23, 2024
    Assignees: AUO Corporation, National Cheng-Kung University
    Inventors: Chih-Lung Lin, Yi-Chen Huang, Chih-I Liu, Po-Cheng Lai, Ming-Yang Deng, Chia-En Wu, Ming-Hung Chuang, Chia-Tien Peng
  • Publication number: 20240029630
    Abstract: A sweep voltage generator and a display panel are provided. The sweep voltage generator includes an output node, a current generating block and a voltage regulating block. The output node is used to provide a sweep signal. The current generating block is coupled to the output node, includes a detection path for detecting an output load variation on the output node, and adjusts the sweep signal provided by the output node based on the output load variation. The voltage regulating block is coupled to the output node for regulating a voltage of the output node.
    Type: Application
    Filed: December 9, 2022
    Publication date: January 25, 2024
    Applicants: AUO Corporation, National Cheng-Kung University
    Inventors: Chih-Lung Lin, Yi-Chen Huang, Chih-I Liu, Po-Cheng Lai, Ming-Yang Deng, Chia-En Wu, Ming-Hung Chuang, Chia-Tien Peng
  • Patent number: 11830419
    Abstract: A display panel and a light emitting signal generator thereof are provided. The light emitting signal generator includes an output stage circuit, a first control signal generator, a second control signal generator, a switch, and a capacitor. The output stage circuit generates a light emitting signal according to a first control signal and a second control signal. The first control signal generator generates the first control signal at a first control end. The second control signal generator generates the second control signal at a second control end. The switch is coupled between the first control end and the output stage circuit. The first capacitor is coupled to the first control end.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: November 28, 2023
    Assignee: AUO Corporation
    Inventors: Ming-Yang Deng, Ming-Hung Chuang
  • Patent number: 11170706
    Abstract: A pixel compensation circuit including a light emitting diode, a drive unit, a control unit, a data write-in unit, a reset unit, and a pull-down unit is disclosed. The control unit is configured to control a voltage drop time of the first node according to a data voltage value received by the data write-in unit, so as to control a gray scale of the light emitting diode. The data write-in unit includes a first transistor, a second transistor, a third transistor and a capacitor. The first transistor is connected to a first voltage source and a second node. The second transistor is connected to the second node and a third node. The third transistor is connected to the third node and a data input source. The first capacitor is connected to the second node and a first reference voltage source.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 9, 2021
    Assignees: AU OPTRONICS CORPORATION, NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Chih-Lung Lin, Jie-An Lin, Ming-Yang Deng, Chia-En Wu