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).
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Patent number: 12354516Abstract: 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: GrantFiled: August 29, 2024Date of Patent: July 8, 2025Assignee: AUO CORPORATIONInventors: Chih-Lung Lin, Yi-Chien Chen, Jui-Hung Chang, Ming-Yang Deng, Ming-Hung Chuang
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Publication number: 20250209971Abstract: 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: ApplicationFiled: October 14, 2024Publication date: June 26, 2025Inventors: Ming-Yang DENG, Ching-Yang CHENG, Che-Chia CHANG, Ming-Hung CHUANG
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Patent number: 12315436Abstract: 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: GrantFiled: July 16, 2024Date of Patent: May 27, 2025Assignee: AUO CorporationInventors: Chih-Lung Lin, Yi-Jui Chen, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
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Publication number: 20250148963Abstract: 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: ApplicationFiled: October 14, 2024Publication date: May 8, 2025Inventors: Chih-Lung LIN, Yi-Chien Chen, Sung-Chun Chen, Ming-Yang Deng, Chia-Tien Peng
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Publication number: 20250148968Abstract: 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: ApplicationFiled: October 30, 2024Publication date: May 8, 2025Inventors: Chih-Lung Lin, Cheng-Rui Lu, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
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Publication number: 20250148967Abstract: 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: ApplicationFiled: October 29, 2024Publication date: May 8, 2025Inventors: Chih-Lung LIN, Cheng-Han KE, Jui-Hung CHANG, Ming-Yang DENG, Chia-Tien PENG
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Publication number: 20250111818Abstract: 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: ApplicationFiled: August 30, 2024Publication date: April 3, 2025Inventors: Chih-Lung LIN, Yi-Jui CHEN, Sung-Chun CHEN, Ming-Yang DENG, Chia-Tien PENG
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Publication number: 20250111817Abstract: 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: ApplicationFiled: August 29, 2024Publication date: April 3, 2025Inventors: Chih-Lung Lin, Yi-Chien Chen, Jui-Hung Chang, Ming-Yang Deng, Ming-Hung Chuang
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Publication number: 20250111821Abstract: 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: ApplicationFiled: July 16, 2024Publication date: April 3, 2025Applicant: AUO CorporationInventors: 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
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Publication number: 20250029538Abstract: 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: ApplicationFiled: July 17, 2024Publication date: January 23, 2025Applicant: AUO CorporationInventors: Chih-Lung Lin, Yi-Jui Chen, Jui-Hung Chang, Yi-Chien Chen, Ming-Yang Deng, Ming-Hung Chuang
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Publication number: 20250029550Abstract: 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: ApplicationFiled: July 16, 2024Publication date: January 23, 2025Applicant: AUO CorporationInventors: Chih-Lung Lin, Yi-Jui Chen, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
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Patent number: 12205533Abstract: 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: GrantFiled: October 23, 2023Date of Patent: January 21, 2025Assignee: AUO CorporationInventors: Ming-Yang Deng, Ming-Hung Chuang
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Publication number: 20240161686Abstract: 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: ApplicationFiled: October 23, 2023Publication date: May 16, 2024Applicant: AUO CorporationInventors: Ming-Yang Deng, Ming-Hung Chuang
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Patent number: 11967272Abstract: 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: GrantFiled: December 9, 2022Date of Patent: April 23, 2024Assignees: AUO Corporation, National Cheng-Kung UniversityInventors: Chih-Lung Lin, Yi-Chen Huang, Chih-I Liu, Po-Cheng Lai, Ming-Yang Deng, Chia-En Wu, Ming-Hung Chuang, Chia-Tien Peng
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Publication number: 20240029630Abstract: 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: ApplicationFiled: December 9, 2022Publication date: January 25, 2024Applicants: AUO Corporation, National Cheng-Kung UniversityInventors: Chih-Lung Lin, Yi-Chen Huang, Chih-I Liu, Po-Cheng Lai, Ming-Yang Deng, Chia-En Wu, Ming-Hung Chuang, Chia-Tien Peng
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Patent number: 11830419Abstract: 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: GrantFiled: December 22, 2022Date of Patent: November 28, 2023Assignee: AUO CorporationInventors: Ming-Yang Deng, Ming-Hung Chuang
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Patent number: 11170706Abstract: 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: GrantFiled: April 22, 2021Date of Patent: November 9, 2021Assignees: AU OPTRONICS CORPORATION, NATIONAL CHENG KUNG UNIVERSITYInventors: Chih-Lung Lin, Jie-An Lin, Ming-Yang Deng, Chia-En Wu