Patents by Inventor Wenchao HAN
Wenchao HAN 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: 20240230403Abstract: The present disclosure provides a luminous flux test circuitry, a test method and a display panel. The luminous flux test circuitry includes two test sub-circuitries, a control sub-circuitry and a light-shielding pattern.Type: ApplicationFiled: December 27, 2021Publication date: July 11, 2024Inventors: Yifan SONG, Wenchao HAN, Zhaohui MENG, Wei SUN
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Publication number: 20240223936Abstract: A display panel and a fabricating method are provided. Display panel includes a display assembly and sound generation assemblies. The display assembly comprises a display assembly substrate and a plurality of pixel components. Each sound generation assembly comprises a vibrating membrane and an exciter. The exciter comprises a motion part in contact with the vibrating membrane and a drive part driving the motion part to vibrate, and the motion part vibrates to drive the vibrating membrane to vibrate. The display assembly substrate and the vibrating membrane are the same structure. The pixel components are disposed on a side of the vibrating membrane facing away from the exciter. A projection of the each sound generation assembly on the display assembly substrate covers projections of at least two pixel components on the display assembly substrate.Type: ApplicationFiled: March 18, 2024Publication date: July 4, 2024Inventors: Yaqian JI, Xue DONG, Wei SUN, Yingming LIU, Wenchao HAN, Xiaoliang DING, Xiufeng LI, Yanling HAN, Lianghao ZHANG, Chenyang ZHANG, Yuzhen GUO, Peixiao LI, Yue GOU
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Publication number: 20240212550Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.Type: ApplicationFiled: February 28, 2024Publication date: June 27, 2024Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaohui MENG, Wei SUN, Wenchao HAN, Hong YANG, Lin CONG, Wenjun XIAO
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Publication number: 20240210239Abstract: A sampling circuit, including a voltage divider circuit, a switch circuit and a comparator circuit; wherein first terminals of resistance voltage divider sub-circuits in the voltage divider circuit are electrically connected to voltage division output terminals, respectively, and the resistance voltage divider sub-circuits are configured to perform resistance voltage division processing according to the voltages at first and second input terminals and write divided voltages to the voltage division output terminals, respectively; the voltage division output terminals are electrically connected to the third input terminal through corresponding switch sub-circuits in the switch circuit, respectively, and each switch sub-circuit is configured to control connection/disconnection between a corresponding voltage division output terminal and the third input terminal; the comparator circuit is electrically connected to the sampling output terminal, and is configured to compare voltages at the third and fourth input teType: ApplicationFiled: October 29, 2021Publication date: June 27, 2024Inventors: Zhaohui MENG, Lianghao ZHANG, Xinle WANG, Wenchao HAN, Wei SUN
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Publication number: 20240212633Abstract: The present disclosure provides a brightness adjusting method and system for a display apparatus, and belongs to the algorithm field. In the brightness adjusting method for a display apparatus provided by the present disclosure, the display apparatus includes a photosensitive sampling circuit, and the photosensitive sampling circuit includes at least one photosensitive device. The method includes: acquiring a current first sampling signal of each of the at least one photosensitive device; determining a second sampling signal of the photosensitive device according to an initial sampling signal acquired in advance and the first sampling signal; and calibrating the second sampling signal according to a preset calibration algorithm to obtain an actual sampling signal.Type: ApplicationFiled: October 25, 2021Publication date: June 27, 2024Inventors: Wenchao HAN, Wei SUN, Xinle WANG, Yifan SONG, Jing LIU, Xue DONG, Wanzhi CHEN
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Publication number: 20240169947Abstract: A display substrate includes a base substrate, a plurality of photosensitive transistor units, a plurality of photosensitive ESD protection units, and at least one common signal line. The base substrate includes a display region, a peripheral region located at a periphery of the display region, and a binding region located at a side of the display region. The plurality of photosensitive transistor units, the plurality of photosensitive ESD protection units and the at least one common signal line are located in the peripheral region. The plurality of photosensitive transistor units is connected with binding pins in the binding region through a plurality of signal lines. At least one photosensitive ESD protection unit is connected with, and located between, at least one signal line and the common signal line.Type: ApplicationFiled: June 23, 2021Publication date: May 23, 2024Inventors: Zhengri LIN, Wenchao HAN, Xinle WANG, Yifan SONG, Wanzhi CHEN, Jing LIU, Wei SUN, Rui LIU, Xin DUAN, Zhaohui MENG, Mingming WANG, Lianghao ZHANG, Jiantao LIU
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Patent number: 11991496Abstract: A display panel, a fabricating method and a control method thereof and a display device are provided. Display panel includes a display assembly and sound generation assemblies. Display assembly includes a display assembly substrate and pixel components disposed on a side of display assembly substrate. Each sound generation assembly includes a vibrating membrane, an exciter, and a support structure. Support structure is disposed on a side of vibrating membrane and has a cavity. Exciter includes a motion part in contact with vibrating membrane and a drive part disposed in cavity. Drive part drives motion part to vibrate, and motion part vibrates to drive vibrating membrane to vibrate. Display assembly substrate and vibrating membrane are the same structure, and pixel components are disposed on a side of vibrating membrane facing away from support structure. Display device includes the display panel above.Type: GrantFiled: May 20, 2021Date of Patent: May 21, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yaqian Ji, Xue Dong, Wei Sun, Yingming Liu, Wenchao Han, Xiaoliang Ding, Xiufeng Li, Yanling Han, Lianghao Zhang, Chenyang Zhang, Yuzhen Guo, Peixiao Li, Yue Gou
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Publication number: 20240153423Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.Type: ApplicationFiled: May 18, 2021Publication date: May 9, 2024Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lianghao Zhang, Xinle Wang, Yifan Song, Wenchao Han, Zhaohui Meng, Wanzhi Chen, Jing Liu
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Patent number: 11979737Abstract: A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.Type: GrantFiled: April 15, 2021Date of Patent: May 7, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yue Gou, Yingming Liu, Yaqian Ji, Xiufeng Li, Yanling Han, Chenyang Zhang, Peixiao Li, Yuzhen Guo, Wenchao Han, Lianghao Zhang
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Patent number: 11948489Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.Type: GrantFiled: April 20, 2023Date of Patent: April 2, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Hong Yang, Lin Cong, Wenjun Xiao
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Patent number: 11902761Abstract: The present disclosure provides a sound producing device, a method for driving the sound producing device, a display panel and a display apparatus. The sound producing device includes a recognition element, a directional sound production element and a control element, where the recognition element is connected with the control element and is configured to acquire information relating to a person in a preset range and transmit the acquired information relating to the person to the control element; the control element is connected with the directional sound production element and is configured to acquire a corresponding audio signal according to the acquired information relating to the person and control the directional sound production element to send out a sound wave according to the acquired audio signal.Type: GrantFiled: May 8, 2021Date of Patent: February 13, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanling Han, Yingming Liu, Yuzhen Guo, Chenyang Zhang, Peixiao Li, Xiufeng Li, Yaqian Ji, Yue Gou, Wei Sun, Wenchao Han, Lianghao Zhang
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Patent number: 11861086Abstract: A touch display panel, driving circuit board, touch display device and driving method thereof are provided. The touch display panel includes: a plurality of first data lines; a plurality of touch-control lines; a plurality of first contact pads; a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner; each first selection switch is electrically connected to one first contact pad, one first data line and one touch-control line, and the first selection switch is configured to receive a first control signal and, according to the first control signal, electrically connect a first contact pad and a first data line during a first time period and electrically connect the first contact pad and a touch-control line during a second time period, and the first time period and the second time period do not overlap.Type: GrantFiled: September 11, 2019Date of Patent: January 2, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenchao Han, Hong Yang
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Publication number: 20230418401Abstract: A touch display panel, and a touch display device are provided. The touch display panel includes: a plurality of first data lines; a plurality of touch-control lines; a plurality of first contact pads; a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner; each first selection switch is electrically connected to one first contact pad, one first data line and one touch-control line, and is configured to receive a first control signal and, according to the first control signal, electrically connect a first contact pad and a first data line during a first time period and electrically connect the first contact pad and a touch-control line during a second time period, and the first time period and the second time period do not overlap.Type: ApplicationFiled: September 11, 2023Publication date: December 28, 2023Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenchao HAN, Hong YANG
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Publication number: 20230260442Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.Type: ApplicationFiled: April 20, 2023Publication date: August 17, 2023Inventors: Zhaohui MENG, Wei SUN, Wenchao HAN, Hong YANG, Lin CONG, Wenjun XIAO
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Patent number: 11715401Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. Each subpixel unit is driven by a scanning signal provided by one gate and a data signal provided by one data line, and a same data line is connected with at least two subpixel units which are not adjacent to each other and have a same color. The gate drive circuit includes a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units in a one-to-one correspondence in order.Type: GrantFiled: July 31, 2019Date of Patent: August 1, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Hong Yang, Lin Cong, Wenjun Xiao
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Patent number: 11662866Abstract: The present disclosure provides a touch panel and a positioning method thereof. The touch panel includes: a transparent conductive film layer including a plurality of first self-capacitance touch electrodes arranged along a first direction, wherein the plurality of first self-capacitance touch electrodes are configured to detect a coordinate of a touch point in the first direction, at least one of the plurality of first self-capacitance touch electrodes is a transparent conductive film block extending along a second direction, and the first direction intersects with the second direction; and a wire layer including a plurality of second self-capacitance touch electrodes arranged along the second direction, wherein the plurality of second self-capacitance touch electrodes are configured to detect a coordinate of the touch point in the second direction, and at least one of the plurality of second self-capacitance touch electrodes is a group of wires extending along the first direction.Type: GrantFiled: September 29, 2020Date of Patent: May 30, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lianghao Zhang, Wenchao Han, Yilin Feng, Xiaoyang Shen, Mingming Wang
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Publication number: 20230156402Abstract: A display device, a sound producing control method, a method and device for determining parameters. The display device includes a plurality of exciters arranged on the display panel, the display panel producing sound on a screen through the plurality of exciters; wherein, the plurality of the exciters are formed as at least one sound producing unit, each sound producing unit includes at least two exciters, and each exciter in the same sound producing unit is connected to a same audio signal input end, in one sound producing unit, a signal filter is provided on an audio transmission line from the audio signal input end to at least one exciter, and used for low frequency compensation of a sound produced by the entire sound producing unit.Type: ApplicationFiled: February 7, 2021Publication date: May 18, 2023Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanhui XI, Xiaomang ZHANG, Wenchao HAN, Yaqian JI, Wei SUN, Minglei CHU, Xiangjun PENG, Tiankuo SHI, Zhihua JI, Yan SUN, Yifan HOU, Chenxi ZHAO, Shuo ZHANG
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Patent number: 11651715Abstract: The present disclosure provides a charging circuitry, a display device, a wearable device, a display driving method and a display driving device. The charging circuitry includes: a driving sub-circuitry configured to receive an image signal and convert the image signal into a display driving signal to be outputted to a data line of the array substrate; a circuitry power supply voltage end configured to apply a direct current voltage to the driving sub-circuitry; and a switch sub-circuitry arranged on a connection circuitry between the circuitry power supply voltage end and the driving sub-circuitry, and configured to be switched between a first state where the circuitry power supply voltage end is electrically coupled to the driving sub-circuitry and a second state where the circuitry power supply voltage end is electrically decoupled from the driving sub-circuitry.Type: GrantFiled: May 19, 2021Date of Patent: May 16, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yilin Feng, Wei Sun, Lianghao Zhang, Xin Duan, Wenchao Han, Zhaohui Meng, Li Tian, Xinle Wang
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Publication number: 20230117366Abstract: A touch display panel, driving circuit board, touch display device and driving method thereof are provided. The touch display panel includes: a plurality of first data lines; a plurality of touch-control lines; a plurality of first contact pads; a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner; each first selection switch is electrically connected to one first contact pad, one first data line and one touch-control line, and the first selection switch is configured to receive a first control signal and, according to the first control signal, electrically connect a first contact pad and a first data line during a first time period and electrically connect the first contact pad and a touch-control line during a second time period, and the first time period and the second time period do not overlap.Type: ApplicationFiled: September 11, 2019Publication date: April 20, 2023Inventors: Wenchao HAN, Hong YANG
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Publication number: 20230045236Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.Type: ApplicationFiled: May 19, 2021Publication date: February 9, 2023Inventors: Minglei CHU, Yanhui XI, Xiaomang ZHANG, Xiangjun PENG, Wenchao HAN, Lianghao ZHANG, Wei SUN, Rui LIU, Xin DUAN, Tiankuo SHI