Patents by Inventor Dayu Zhang
Dayu 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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Publication number: 20250046267Abstract: The application relates to a light detection structure, a display panel and a display device. The test circuit includes a photo transistor and an auxiliary transistor that are connected in series; the reference circuit includes a reference transistor; equivalent resistance values of the photo transistor, the auxiliary transistor and the reference transistor are same; a control end of the test circuit is connected with a control end of the reference circuit, and a signal input end of the test circuit is connected with a signal input end of the reference circuit; the signal processor includes a first input end and a second input end, and the first input end is electrically connected with the signal output end of the photo transistor; and the second input end is electrically connected with the signal output end of the reference transistor.Type: ApplicationFiled: March 27, 2024Publication date: February 6, 2025Inventors: Tunghsin LAN, Dayu ZHANG, Xinchen MA, Yueyuan ZHANG
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Publication number: 20240354116Abstract: Provided is a switching method for supporting different operating systems by an application function, including: establishing a one-to-one mapping relationship table between switching setting signals and unique switching setting codes, wherein the application function in the different operating systems corresponds to the different unique switching setting codes, and the unique switching setting codes are capable of uniquely identifying and activating the application function supported by the different operating systems; detecting the switching setting signal output by the operating system; and switching an operating system of a device to the operating system corresponding to the switching setting signal, wherein the device is configured with the application function and supports the different operating systems.Type: ApplicationFiled: November 29, 2021Publication date: October 24, 2024Inventors: Kangpeng DANG, Cheng ZUO, Hong CHEN, Yuansheng TANG, Hebing XU, Bo WANG, Xingyu PU, Xiong GUO, Zhongli LUO, Ming GAO, Kuan LI, Dayu ZHANG
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Publication number: 20240312965Abstract: Embodiments of the present disclosure relates to a light emitting substrate and a display device. The light emitting substrate includes a substrate; a plurality of light emitting units on the substrate, at least one of the plurality of light emitting units includes at least two light emitting element strings, and the at least two light emitting element strings are connected in parallel with each other; and a same light emitting element string includes at least two light emitting elements sequentially connected in series; in a same light emitting unit, a plurality of elements are distributed in an array, and the same light emitting unit includes at least two light emitting elements connected in series and located in different rows, and further includes at least two light emitting elements connected in series and located in different columns.Type: ApplicationFiled: November 25, 2021Publication date: September 19, 2024Applicants: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xinchen Ma, Dayu Zhang, Zhiwei Zhang, Yanjiao Pan, Zhaobo Jiang, Chengwei Li, Jianqiu Zeng, Beibei Shao, Rui Liu, Daoran Gong, Aobo Zhou, Yunming Lu
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Publication number: 20240272748Abstract: The present disclosure provides a display control method, a display device, and a readable storage medium. A display control method, applied to a display device, including: obtaining a display refresh frequency of the display device, the display refresh frequency includes a first refresh frequency and a second refresh frequency, and the first refresh frequency is greater than the second refresh frequency; determining a touch control sampling frequency corresponding to the display device according to the display refresh frequency, the touch control sampling frequency includes a first sampling frequency corresponding to the first refresh frequency and a second sampling frequency corresponding to the second refresh frequency, and the second sampling frequency is greater than the first sampling frequency; driving the display device to display an image according to the determined display refresh frequency, and collecting touch control information according to the touch control sampling frequency.Type: ApplicationFiled: April 21, 2022Publication date: August 15, 2024Applicants: NANJING BOE DISPLAY TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dayu Zhang, Yueyuan Zhang, Yaokun Zheng, Tunghsin Lan
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Patent number: 12037521Abstract: Adhesive compositions comprising a polyester polyol that includes residues of at least one 2,2,4,4-tetraalkylcyclobutane-1,3-diol, including, for example, 2,2,4,4-tetramethylcyclobutane-1,3-diol (TMCD). Adhesive compositions may exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.Type: GrantFiled: December 6, 2019Date of Patent: July 16, 2024Inventors: Liu Deng, Emmett Dudley Crawford, Wentao Li, John Thorton Maddox, Christopher Harlan Burk, Cheng Wei Zhu, Kujtim Bizati, Bing Yuan, Dayu Zhang, Tara Renee Cary, Thauming Kuo
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Publication number: 20240212636Abstract: The present application provides a brightness regulating method, a brightness regulating system and a display device, which relates to the technical field of displaying. The brightness regulating method includes: dividing the backlight module into a plurality of light areas; according to brightnesses of the light areas, determining a reference light area; according to a brightness of the reference light area, determining a compensation parameter of a to-be-compensated light area; converting the compensation parameter into compensated-grayscale data of the display panel; and according to the compensated-grayscale data, controlling a display frame corresponding to the to-be-compensated light area to display a brightness that has been updated.Type: ApplicationFiled: October 27, 2021Publication date: June 27, 2024Inventors: Chengwei LI, Dayu ZHANG, Zhiwei ZHANG, Xinchen MA
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Patent number: 11907461Abstract: A touch circuit includes: a touch IC; a first pull-up sub-circuit; a second pull-up sub-circuit; a first switching sub-circuit configured to transmit a signal from a data signal input terminal to a data signal port under control of a signal from a first signal input terminal; and a second switching sub-circuit configured to transmit a signal from a clock signal input terminal to a clock signal port under control of the signal from the first signal input terminal. The signal from the data signal input terminal is transmitted to the first switching sub-circuit earlier than the signal from the first signal input terminal, and the signal from the clock signal input terminal is transmitted to the second switching sub-circuit earlier than the signal from the first signal input terminal.Type: GrantFiled: April 6, 2023Date of Patent: February 20, 2024Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yang Rao, Cheng Zuo, Dayu Zhang, Kangpeng Dang, Hong Chen, Peng Qin, Zhong Jin, Bo Wang, Zhongli Luo, Xiong Guo, Shifei Huang, Teng Liu, Yuansheng Tang
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Publication number: 20230251732Abstract: A touch circuit includes: a touch IC; a first pull-up sub-circuit; a second pull-up sub-circuit; a first switching sub-circuit configured to transmit a signal from a data signal input terminal to a data signal port under control of a signal from a first signal input terminal; and a second switching sub-circuit configured to transmit a signal from a clock signal input terminal to a clock signal port under control of the signal from the first signal input terminal. The signal from the data signal input terminal is transmitted to the first switching sub-circuit earlier than the signal from the first signal input terminal, and the signal from the clock signal input terminal is transmitted to the second switching sub-circuit earlier than the signal from the first signal input terminal.Type: ApplicationFiled: April 6, 2023Publication date: August 10, 2023Inventors: Yang RAO, Cheng ZUO, Dayu ZHANG, Kangpeng DANG, Hong CHEN, Peng QIN, Zhong JIN, Bo WANG, Zhongli LUO, Xiong GUO, Shifei HUANG, Teng LIU, Yuansheng TANG
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Patent number: 11662846Abstract: A touch circuit includes a touch IC and a logic sub-circuit. The touch IC includes a touch signal port. The logic sub-circuit is connected to the touch signal port, and is configured to transmit a touch enabling signal to the touch signal port. The logic sub-circuit includes an AND gate. The AND gate includes a first input terminal, a second input terminal and an output terminal electrically connected to the touch signal port. The AND gate is configured to output the touch enabling signal through the output terminal electrically connected to the touch signal port in response to receiving one of a backlight turn-on signal and a screen turn-on signal through the first input terminal, and a touch generation signal through the second input terminal.Type: GrantFiled: August 26, 2021Date of Patent: May 30, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yang Rao, Cheng Zuo, Dayu Zhang, Kangpeng Dang, Hong Chen, Peng Qin, Zhong Jin, Bo Wang, Zhongli Luo, Xiong Guo, Shifei Huang, Teng Liu, Yuansheng Tang
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Patent number: 11487387Abstract: The present disclosure provides a method for driving a display panel, a display module and a display device. The display panel includes a touch electrode. The method includes: in a touch stage, providing a touch signal to the touch electrode. The touch stage includes: a first touch sub-stage and a second touch sub-stage spaced from each other; the touch signal includes: an uplink signal and a touch driving signal, and an active level of the uplink signal is higher than an active level of the touch driving signal. In the first touch sub-stage, the uplink signal is provided to the touch electrode; and in the second touch sub-stage, the touch driving signal is provided to the touch electrode.Type: GrantFiled: June 24, 2021Date of Patent: November 1, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Kangpeng Dang, Cheng Zuo, Hong Chen, Yuansheng Tang, Kuan Li, Bo Wang, Xiong Guo, Zhongli Luo, Ming Gao, Dayu Zhang
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Publication number: 20220269363Abstract: Embodiments of the present disclosure disclose a touch display panel and a display device. Two touch electrode routing wires are arranged correspondingly between two adjacent data lines, a distance between the two touch electrode routing wires between the two adjacent data lines is smaller than each of distances from the touch electrode routing wires to the data lines correspondingly adjacent thereto, and the distances from the two touch electrode routing wires between the two adjacent data lines to the data lines correspondingly adjacent thereto are unequal.Type: ApplicationFiled: October 9, 2021Publication date: August 25, 2022Inventors: Chengwei LI, Dayu ZHANG, Zhiwei ZHANG, Taorong WANG
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Patent number: 11393420Abstract: A display device, a pixel circuit and its driving method and driving device. The driving method includes the steps of, during a frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a first preset mode; during a frame sequence formed by successive Y frames and adjacent to the frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a second preset mode, wherein the first preset mode is different from the second preset mode, and X and Y are positive integers not less than 2. The method can enable the charging time of the pixel circuit to be balanced in space, thereby improving image display quality.Type: GrantFiled: August 16, 2018Date of Patent: July 19, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kun Li, Dayu Zhang, Yifei Zhan, Xiaohan Ling
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Publication number: 20220206661Abstract: The present disclosure provides a method for driving a display panel, a display module and a display device. The display panel includes a touch electrode. The method includes: in a touch stage, providing a touch signal to the touch electrode. The touch stage includes: a first touch sub-stage and a second touch sub-stage spaced from each other; the touch signal includes: an uplink signal and a touch driving signal, and an active level of the uplink signal is higher than an active level of the touch driving signal. In the first touch sub-stage, the uplink signal is provided to the touch electrode; and in the second touch sub-stage, the touch driving signal is provided to the touch electrode.Type: ApplicationFiled: June 24, 2021Publication date: June 30, 2022Inventors: Kangpeng DANG, Cheng ZUO, Hong CHEN, Yuansheng TANG, Kuan LI, Bo WANG, Xiong GUO, Zhongli LUO, Ming GAO, Dayu ZHANG
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Patent number: 11322106Abstract: Embodiments of the present disclosure provide a method and a device for controlling a timing sequence, a drive circuit, a display panel, and an electronic apparatus. In this method, a frame scan timing sequence for a display signal may be set according to a frame rate of the display signal, wherein the frame scan timing sequence includes an active period and a blanking period. The frame scan timing sequence may be arranged to increase the active period as the frame rate of the display signal decreases.Type: GrantFiled: August 29, 2018Date of Patent: May 3, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shounian Chen, Dayu Zhang, Zhuo Zhang
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Publication number: 20220033688Abstract: Adhesive compositions comprise a polyester polyol that includes residues of at least one 2, 2, 4, 4-tetraalkylcyclobutane-1, 3-diol, including, for example, 2, 2, 4, 4-tetramethylcyclobutane-1, 3-diol (TMCD). Adhesive compositions as described herein exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.Type: ApplicationFiled: December 6, 2019Publication date: February 3, 2022Applicant: Eastman Chemical (China) Co., Ltd.Inventors: Liu Deng, Emmett Dudley Crawford, Wentao Li, John Thorton Maddox, Christopher Harlan Burk, Cheng Wei Zhu, Kujtim Bizati, Bing Yuan, Dayu Zhang, Tara Renee Cary, Thauming Kuo
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Publication number: 20210389836Abstract: A touch circuit includes a touch IC and a logic sub-circuit. The touch IC includes a touch signal port. The logic sub-circuit is connected to the touch signal port, and is configured to transmit a touch enabling signal to the touch signal port. The logic sub-circuit includes an AND gate. The AND gate includes a first input terminal, a second input terminal and an output terminal electrically connected to the touch signal port. The AND gate is configured to output the touch enabling signal through the output terminal electrically connected to the touch signal port in response to receiving one of a backlight turn-on signal and a screen turn-on signal through the first input terminal, and a touch generation signal through the second input terminal.Type: ApplicationFiled: August 26, 2021Publication date: December 16, 2021Inventors: Yang RAO, Cheng ZUO, Dayu ZHANG, Kangpeng DANG, Hong CHEN, Peng QIN, Zhong JIN, Bo WANG, Zhongli LUO, Xiong GUO, Shifei HUANG, Teng LIU, Yuansheng TANG
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Publication number: 20210358440Abstract: Embodiments of the present disclosure provide a method and a device for controlling a timing sequence, a drive circuit, a display panel, and an electronic apparatus. In this method, a frame scan timing sequence for a display signal may be set according to a frame rate of the display signal, wherein the frame scan timing sequence includes an active period and a blanking period. The frame scan timing sequence may be arranged to increase the active period as the frame rate of the display signal decreases.Type: ApplicationFiled: August 29, 2018Publication date: November 18, 2021Inventors: Shounian CHEN, Dayu ZHANG, Zhuo ZHANG
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Publication number: 20210327378Abstract: A display device, a pixel circuit and its driving method and driving device. The driving method includes the steps of, during a frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a first preset mode; during a frame sequence formed by successive Y frames and adjacent to the frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a second preset mode, wherein the first preset mode is different from the second preset mode, and X and Y are positive integers not less than 2. The method can enable the charging time of the pixel circuit to be balanced in space, thereby improving image display quality.Type: ApplicationFiled: August 16, 2018Publication date: October 21, 2021Inventors: Kun LI, Dayu ZHANG, Yifei ZHAN, Xiaohan LING
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Patent number: 11132080Abstract: A touch circuit includes a first pull-up sub-circuit, a first switching sub-circuit, a second pull-up sub-circuit, a second switching sub-circuit and a touch IC. The touch IC includes a data signal port and a clock signal port. The first pull-up sub-circuit is electrically connected to a first signal input terminal and the data signal port. The first switching sub-circuit is electrically connected to the data signal port, the first signal input terminal and a data signal input terminal. The second pull-up sub-circuit is electrically connected to the first signal input terminal and the clock signal port. The second switching sub-circuit is electrically connected to the clock signal port, the first signal input terminal and a clock signal input terminal.Type: GrantFiled: May 22, 2020Date of Patent: September 28, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yang Rao, Cheng Zuo, Dayu Zhang, Kangpeng Dang, Hong Chen, Peng Qin, Zhong Jin, Bo Wang, Zhongli Luo, Xiong Guo, Shifei Huang, Teng Liu, Yuansheng Tang
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Patent number: 11086070Abstract: A backlight module suitable for thermal coupling with a display panel includes a light guide plate which has a light incident surface and a light exiting surface, a light source configured such that light emitted therefrom enters the light guide plate from the light incident surface and exits the light guide plate from the light exiting surface to irradiate onto the display panel, a heat sink configured to partially accommodate the light guide plate and the light source, and a heat conducting device disposed between the heat sink and the display panel to conduct heat generated from the display panel to the heat sink. The backlight module can quickly dissipate heat generated from a heat concentrated area of the display panel to the outside.Type: GrantFiled: October 15, 2018Date of Patent: August 10, 2021Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengbing Zhu, Xiaofei Zhu, Dayu Zhang, Zhuo Zhang