Patents by Inventor Xiaoliang DING
Xiaoliang DING 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: 12017219Abstract: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.Type: GrantFiled: April 21, 2022Date of Patent: June 25, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Xiaoliang Ding, Lei Wang, Changfeng Li, Pinchao Gu
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Patent number: 12022719Abstract: A display substrate includes a substrate, a plurality of photosensitive sensors disposed on a side of the substrate, and a first light guide layer disposed on a side of the plurality of photosensitive sensors away from the substrate. A material of the first light guide layer includes a light-shielding material. The first light guide layer is provided with a plurality of first through holes, and an orthographic projection of at least one first through hole on the substrate is located within a range of an orthographic projection of a photosensitive sensor of the plurality of first through holes on the substrate.Type: GrantFiled: April 13, 2021Date of Patent: June 25, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lei Wang, Xiaoliang Ding, Xiaoquan Hai, Yangbing Li, Lei Zhang, Yingzi Wang
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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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Patent number: 11991460Abstract: A camera system comprises: a main control chip, wherein the main control chip includes at least one main control unit; at least one group of cameras, wherein each camera in each group of cameras includes an image acquisition control chip; and at least one pair of bidirectional differential data lines, wherein each pair of bidirectional differential data lines is connected to a single main control unit and all image acquisition control chips in a single group of cameras.Type: GrantFiled: August 5, 2021Date of Patent: May 21, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yangbing Li, Xiaoliang Ding, Pengpeng Wang, Fangyuan Zhao, Yapeng Li, Wenjuan Wang, Yingming Liu, Lei Wang, Yichi Zhang, Tianyang Han
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Patent number: 11974460Abstract: A display substrate includes a plurality of sub-pixels. The display substrate further includes: a base substrate; a plurality of temperature sensors disposed on a first side of the base substrate; and a light-shielding layer disposed on a peripheral side, a side proximate to the base substrate, and a side away from the base substrate, of a temperature sensor in the temperature sensors. The temperature sensor is configured to detect a temperature of at least one of the plurality of sub-pixels. The light-shielding layer is configured to shield light emitted to the temperature sensor.Type: GrantFiled: December 28, 2020Date of Patent: April 30, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yangbing Li, Haisheng Wang, Xiaoliang Ding, Yunke Qin, Fangyuan Zhao, Wenjuan Wang, Ping Zhang
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Patent number: 11950484Abstract: A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.Type: GrantFiled: July 23, 2020Date of Patent: April 2, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Yangbing Li, Xueyou Cao, Ping Zhang, Likai Deng, Yubo Wang
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Patent number: 11908224Abstract: Disclosed are a fingerprint identification structure, a driving method thereof and an electronic device. The fingerprint identification structure includes: a driving electrode layer; a piezoelectric material layer; a receiving electrode layer, which includes M receiving electrodes; an auxiliary driving electrode layer, which is located at the side of the piezoelectric material layer away from the receiving electrode layer, and is arranged in a layer different from the driving electrode layer; and a first insulating layer, the auxiliary driving electrode layer includes N auxiliary driving electrodes; the N driving electrodes and the N auxiliary driving electrodes are alternately arranged; and the orthographic projection, on the piezoelectric material layer, of an i-th auxiliary driving electrode overlaps with an interval between the orthographic projections, on the piezoelectric material layer, of an i-th driving electrode and an (i+1)-th driving electrode.Type: GrantFiled: May 21, 2021Date of Patent: February 20, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Xiaoliang Ding, Xiufeng Li, Lei Wang, Yingzi Wang
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Patent number: 11894283Abstract: The embodiments of the present application provide a display substrate and method for preparation thereof, and a display device. The display substrate includes a base, a piezoelectric layer arranged on the base, and a thin-film transistor arranged on the piezoelectric layer, said piezoelectric layer being configured to convert heat generated by the thin-film transistor into sound waves.Type: GrantFiled: May 25, 2020Date of Patent: February 6, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yingming Liu, Haisheng Wang, Xiaoliang Ding, Lei Wang, Pengpeng Wang
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Patent number: 11875595Abstract: A texture recognition apparatus and an electronic apparatus are provided. The texture recognition apparatus has a touch side surface, and includes a light source array, an image sensor array, and a light shielding layer. The light source array includes a plurality of light sources; the image sensor array includes a plurality of image sensors, each image sensor includes a photosensitive element; the light shielding layer is on a light incident side of the image sensor array, the light shielding layer includes a plurality of light-transmitting holes; the plurality of light-transmitting holes are configured to collimate light emitted by the plurality of light sources and reflected by the texture to a direction perpendicular to the touch side surface; and in the direction perpendicular to the touch side surface, a photosensitive element in each image sensor at least partially overlaps with at least one of the plurality of light-transmitting holes.Type: GrantFiled: May 21, 2021Date of Patent: January 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoquan Hai, Lei Wang, Xiaoliang Ding, Xue Dong, Xuan Liang
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Patent number: 11861931Abstract: A piezoelectric sensor, a manufacturing method thereof and an electronic device are provided. The piezoelectric sensor includes a substrate, an active layer, the active layer being disposed at a side of the substrate: a first electrode, the first electrode being disposed at a side of the active laver a wav from the substrate, and the first electrode including a plurality of sub-electrodes disposed at intervals: a piezoelectric layer, the piezoelectric layer being disposed at a side of the first electrode away from the active layer; and a second electrode, the second electrode being disposed at a side of the piezoelectric layer away from the first electrode. The active layer is configured to be capable of switching between an insulating state and a conducting state, and in the conducting state the active layer is capable of conducting the plurality of sub-electrodes.Type: GrantFiled: June 2, 2020Date of Patent: January 2, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yingming Liu, Haisheng Wang, Xiaoliang Ding, Lei Wang, Changfeng Li
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Patent number: 11829552Abstract: The display panel comprises: a display substrate and a touch detection device; wherein the touch detection device comprises: a touch substrate located on a side of the display substrate away from a display surface, and a plurality of ultrasonic detection units located on a side of the touch substrate away from the display substrate; the ultrasonic detection unit comprises: a first electrode located on a side of the touch substrate away from the display substrate, a plurality of second electrodes between the touch substrate and the first electrode, and a piezoelectric induction layer between the first electrode and the second electrodes; in a fingerprint recognition stage, at least a part of the ultrasonic detection units in a fingerprint recognition area are used as an ultrasonic-generating source, and the second electrodes in at least a part of the ultrasonic detection units in the fingerprint recognition area respectively output fingerprint recognition signals.Type: GrantFiled: April 8, 2020Date of Patent: November 28, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Haisheng Wang, Xiaoliang Ding, Lei Wang, Peixiao Li
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Patent number: 11823482Abstract: The present disclosure provides an ultrasonic sensor, a display panel and a display apparatus. The ultrasonic sensor includes: a bearing substrate; an ultrasonic emission structure on the bearing substrate, wherein the ultrasonic emission structure includes a first piezoelectric film layer; and an ultrasonic receiving structure on the bearing substrate, wherein the ultrasonic receiving structure includes a second piezoelectric film layer. The piezoelectric constant of the first piezoelectric film layer is greater than the piezoelectric constant of the second piezoelectric film layer.Type: GrantFiled: April 26, 2020Date of Patent: November 21, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Lei Wang, Pengpeng Wang, Changfeng Li, Peixiao Li, Chenyang Zhang
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Publication number: 20230345794Abstract: A display panel includes a base substrate; light-emitting devices on the base substrate; photosensitive devices between a layer where the light-emitting devices are located and the base substrate, the photosensitive devices being configured to collect light emitted by the light emitting devices and reflected by a fingerprint, and orthographic projections of the photosensitive devices on the base substrate being located in gaps between orthographic projections of the light-emitting devices on the base substrate; and a light-shielding portion on a light-incident side of the photosensitive devices, an orthographic projection of the light-shielding portion on the base substrate overlapping with edge regions of the orthographic projections of the photosensitive devices, the light-shielding portion being provided with first openings, and the orthographic projections of the first openings on the base substrate overlapping with middle regions of the orthographic projections of the photosensitive devices.Type: ApplicationFiled: June 8, 2021Publication date: October 26, 2023Inventors: Xiaoquan HAI, Xiaoliang DING, Xuan LIANG, Yingzi WANG
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Patent number: 11796858Abstract: The present disclosure provides a backlight substrate, a manufacturing method thereof, and a display device. The backlight substrate includes: a base substrate; a plurality of first light emitting elements on the base substrate and configured to emit first light; a plurality of second light emitting elements on the base substrate and configured to emit second light having a different wavelength from the first light; a plurality of depth sensors on the base substrate and configured to receive the second light emitted from the plurality of second light emitting elements and reflected by an object and determine depth information of the object based on the received second light; and a diffusion layer in direct contact with light emitting surfaces of the plurality of first light emitting elements and configured to diffuse the first light emitted from the plurality of first light emitting elements.Type: GrantFiled: August 5, 2019Date of Patent: October 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Yangbing Li, Yapeng Li, Ping Zhang, Likai Deng, Yubo Wang
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Patent number: 11790691Abstract: A fingerprint identification sensor includes a base, and at least one light sensing unit disposed on the base. The at least one light sensing unit is configured to collect at least two different monochromatic lights of light reflected by a finger to identify a fingerprint.Type: GrantFiled: November 18, 2019Date of Patent: October 17, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lei Wang, Haisheng Wang, Xiaoliang Ding, Lin Zhang, Yingming Liu
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Patent number: 11790689Abstract: The present disclosure relates to the field of fingerprint identification technology, and provides a fingerprint identification substrate, a fingerprint identification method and a display device. The fingerprint identification substrate includes: a base substrate; at least one point light source arranged on the base substrate and configured to emit signal light; and at least one photosensitive unit arranged at a side of the base substrate away from the point light source, and configured to receive the signal light reflected by a finger and identify a fingerprint. Each photosensitive unit includes a first photosensitive sensor and a second photosensitive sensor independent of each other, a light filtration structure is arranged at a side of the second photosensitive sensor facing the point light source and configured to merely allow light in a first direction to pass therethrough, and the first direction is perpendicular to the base substrate.Type: GrantFiled: February 22, 2021Date of Patent: October 17, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaoliang Ding, Haisheng Wang, Yingming Liu, Yapeng Li, Jiabin Wang, Changfeng Li
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Patent number: 11778887Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a substrate, a pixel unit and a measurement unit on the substrate, and a compensation element. The measurement unit includes: a photosensitive device configured to detect a luminous intensity of the pixel unit; a thermosensitive device configured to measure an operating temperature of the photosensitive device; and a light source device configured to provide light to the thermosensitive device. An orthographic projection of the light source device on the substrate is within an orthographic projection of the thermosensitive device on the substrate. The compensation element is configured to compensate the luminous intensity of the pixel unit according to the luminous intensity of the pixel unit detected by the photosensitive device and the operating temperature of the photosensitive device measured by the thermosensitive device.Type: GrantFiled: May 26, 2020Date of Patent: October 3, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Likai Deng, Ping Zhang, Xiaoliang Ding, Pengpeng Wang
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Publication number: 20230299092Abstract: An array substrate is provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.Type: ApplicationFiled: May 18, 2023Publication date: September 21, 2023Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Xi Chen, Yingming Liu, Xiaoliang Ding, Weijie Zhao, Shengji Yang, Hongjuan Liu, Changfeng Li, Wei Liu
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Patent number: 11740500Abstract: A driving method and a driving device of a display panel and a display apparatus are provided. The driving method includes: loading, within a fingerprint recognition phase (t), a plurality of operating signals to a plurality of operating signal leads (20) connected to a gate driving circuit (200), each operating signal (VGH_G) including first level signals and second level signals which are loaded alternately, and a time that the operating signal (VGH_G) switches between the first level signal and the second level signal being a switching time; and loading, within the fingerprint recognition phase (t), a plurality of fingerprint pulse signals to a plurality of fingerprint scanning leads (30), respectively, and for any fingerprint scanning lead (30), a time when the fingerprint scanning lead is loaded with a fingerprint pulse signal and is in an active level state does not overlap with the switching time.Type: GrantFiled: June 17, 2021Date of Patent: August 29, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ping Zhang, Xiaoliang Ding, Changfeng Li, Yingzi Wang
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Patent number: 11730039Abstract: A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high PPI requirement. The fabrication method includes forming functional layers of an organic light-emitting diode (OLED) device on a base substrate sequentially to obtain an OLED substrate; and forming a linear touch electrode with a nano-scale line width on the OLED substrate by electronic sputtering and transferring.Type: GrantFiled: May 6, 2020Date of Patent: August 15, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Yanan Jia, Yuzhen Guo, Yunke Qin, Pinchao Gu