Patents by Inventor Yehao Zhang
Yehao Zhang 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: 11829553Abstract: A display apparatus and a method of powering the display apparatus are provided. The display apparatus includes: a main control circuit, configured to provide a first control signal; a touch display driving circuit, configured to provide a second control signal; a power supply circuit, coupled to the touch display driving circuit, and configured to provide a power supply voltage to the touch display driving circuit; and a logic circuit coupled to the main control circuit, the touch display driving circuit, and the power supply circuit, and configured to continuously enable the power supply circuit in a first mode and intermittently enable the power supply circuit in a second mode, under a control of the first control signal and the second control signal.Type: GrantFiled: August 28, 2020Date of Patent: November 28, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pin Xiao, Xiuyun Chen, Zongze He, Zhenguo Xu, Yehao Zhang, Yadong Huang, Jing Zhao
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Patent number: 11735090Abstract: A method of driving a display panel, a driving circuit of a display panel, and a display panel are disclosed. The display panel includes a multiplexing unit and a plurality of pixels arranged in an array of M rows and N columns, the multiplexing unit includes a plurality of thin film transistors, and each thin film transistor includes a gate electrode applied with a multiplexing unit gate signal. The method includes: acquiring a plurality of data signals for driving i-th row of pixels, where 1?i?M; generating multiplexing unit gate signals for respective thin film transistors of the multiplexing unit based on the plurality of data signals; and applying the multiplexing unit gate signals to gate electrodes of the respective thin film transistors, so that the respective thin film transistors are turned on or turned off. The multiplexing unit gate signals change according to changes of the plurality of data signals.Type: GrantFiled: September 30, 2020Date of Patent: August 22, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jing Zhao, Xiuyun Chen, Yehao Zhang, Dapeng Liang, Meng Shi, Yadong Huang, Zhenguo Xu
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Patent number: 11645993Abstract: A display substrate has a display area and a peripheral area around the display area. The display substrate includes a plurality of sub-pixels arranged in an array in the display area, and an interface circuit, at least two serial-to-parallel converters and at least one display driver that are in the peripheral area. The interface circuit is configured to receive target data including a plurality of serial display data. A serial-to-parallel converter in the at least two serial-to-parallel converters is used to convert the plurality of serial display data into parallel display data. The serial-to-parallel converter is electrically connected to one display driver to provide the parallel display data to the display driver. The display driver is used to output display driving signals to a plurality of sub-pixels according to the parallel display data.Type: GrantFiled: December 1, 2020Date of Patent: May 9, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yehao Zhang, Meng Shi, Jing Zhao, Yadong Huang, Dapeng Liang, Zhenguo Xu, Xiuyun Chen
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Publication number: 20220415278Abstract: A display substrate has a display area and a peripheral area around the display area. The display substrate includes a plurality of sub-pixels arranged in an array in the display area, and an interface circuit, at least two serial-to-parallel converters and at least one display driver that are in the peripheral area. The interface circuit is configured to receive target data including a plurality of serial display data. A serial-to-parallel converter in the at least two serial-to-parallel converters is used to convert the plurality of serial display data into parallel display data. The serial-to-parallel converter is electrically connected to one display driver to provide the parallel display data to the display driver. The display driver is used to output display driving signals to a plurality of sub-pixels according to the parallel display data.Type: ApplicationFiled: December 1, 2020Publication date: December 29, 2022Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yehao ZHANG, Meng SHI, Jing ZHAO, Yadong HUANG, Dapeng LIANG, Zhenguo XU, Xiuyun CHEN
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Publication number: 20220157219Abstract: A method of driving a display panel, a driving circuit of a display panel, and a display panel are disclosed. The display panel includes a multiplexing unit and a plurality of pixels arranged in an array of M rows and N columns, the multiplexing unit includes a plurality of thin film transistors, and each thin film transistor includes a gate electrode applied with a multiplexing unit gate signal. The method includes: acquiring a plurality of data signals for driving i-th row of pixels, where 1?i?M; generating multiplexing unit gate signals for respective thin film transistors of the multiplexing unit based on the plurality of data signals; and applying the multiplexing unit gate signals to gate electrodes of the respective thin film transistors, so that the respective thin film transistors are turned on or turned off. The multiplexing unit gate signals change according to changes of the plurality of data signals.Type: ApplicationFiled: September 30, 2020Publication date: May 19, 2022Inventors: Jing Zhao, Xiuyun Chen, Yehao Zhang, Dapeng Liang, Meng Shi, Yadong Huang, Zhenguo Xu
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Publication number: 20220066612Abstract: A display apparatus and a method of powering the display apparatus are provided. The display apparatus includes: a main control circuit, configured to provide a first control signal; a touch display driving circuit, configured to provide a second control signal; a power supply circuit, coupled to the touch display driving circuit, and configured to provide a power supply voltage to the touch display driving circuit; and a logic circuit coupled to the main control circuit, the touch display driving circuit, and the power supply circuit, and configured to continuously enable the power supply circuit in a first mode and intermittently enable the power supply circuit in a second mode, under a control of the first control signal and the second control signal.Type: ApplicationFiled: August 28, 2020Publication date: March 3, 2022Inventors: Pin Xiao, Xiuyun Chen, Zongze He, Zhenguo Xu, Yehao Zhang, Yadong Huang, Jing Zhao
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Patent number: 11238910Abstract: A signal generator includes N stages of cascaded control signal generating circuits, and is configured to receive K clock signals whose valid pulse edges are different from each other by a set time, an n-th control signal generating circuit of the N stages of control signal generating circuit generates a strobe signal based on a k-th clock signal of the K clock signals and sequentially outputs at least two different clock signals of other K?1 clock signals based on the strobe signal. A valid pulse edge of the k-th clock signal is within a valid pulse duration of a strobe signal of an (n?1)-th stage control signal generating circuit.Type: GrantFiled: March 30, 2020Date of Patent: February 1, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Junrui Zhang, Xuehui Zhu, Ronghua Lan, Zongze He, Yehao Zhang
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Patent number: 11132974Abstract: The embodiments of the present disclosure provide a data transmission circuit, a display device and a data transmission method. The data transmission circuit includes a serial-to-parallel conversion circuit configured to receive serial data and a mode setting signal, generate a mode selection signal according to the mode setting signal, and convert the serial data into parallel data with a corresponding bit width according to the mode selection signal; a control signal generating circuit configured to generate a control signal based on the mode setting signal; and a latch circuit connected to the serial-to-parallel conversion circuit and the control signal generating circuit, and being configured to receive the parallel data from the serial-to-parallel conversion circuit and the control signal from the control signal generating circuit, and latch and output the received parallel data under the control of the control signal.Type: GrantFiled: March 24, 2020Date of Patent: September 28, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuehui Zhu, Junrui Zhang, Ronghua Lan, Zongze He, Yehao Zhang
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Publication number: 20210158774Abstract: The embodiments of the present disclosure provide a data transmission circuit, a display device and a data transmission method. The data transmission circuit includes a serial-to-parallel conversion circuit configured to receive serial data and a mode setting signal, generate a mode selection signal according to the mode setting signal, and convert the serial data into parallel data with a corresponding bit width according to the mode selection signal; a control signal generating circuit configured to generate a control signal based on the mode setting signal; and a latch circuit connected to the serial-to-parallel conversion circuit and the control signal generating circuit, and being configured to receive the parallel data from the serial-to-parallel conversion circuit and the control signal from the control signal generating circuit, and latch and output the received parallel data under the control of the control signal.Type: ApplicationFiled: March 24, 2020Publication date: May 27, 2021Inventors: Xuehui ZHU, Junrui ZHANG, Ronghua LAN, Zongze HE, Yehao ZHANG
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Publication number: 20210125647Abstract: A signal generator includes N stages of cascaded control signal generating circuits, and is configured to receive K clock signals whose valid pulse edges are different from each other by a set time, an n-th control signal generating circuit of the N stages of control signal generating circuit generates a strobe signal based on a k-th clock signal of the K clock signals and sequentially outputs at least two different clock signals of other K?1 clock signals based on the strobe signal. A valid pulse edge of the k-th clock signal is within a valid pulse duration of a strobe signal of an (n?1)-th stage control signal generating circuit.Type: ApplicationFiled: March 30, 2020Publication date: April 29, 2021Inventors: Junrui Zhang, Xuehui Zhu, Ronghua Lan, Zongze He, Yehao Zhang