Patents Assigned to TECHNOLOGY GROUP CO., LTD.
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Patent number: 11391877Abstract: A backlight source is provided which includes a light guide plate 10 and a light-emitting unit 20. The light guide plate 10 includes a first surface and a second surface disposed oppositely. The light-emitting unit 20 is located on the side of the light guide plate where the first surface disposed. The grating layer 30 includes at least one grating unit configured to diffract light emitted by the light-emitting unit 20. The overall structure of the backlight source is no longer limited by the distance between the LEDs and the first layer diffusion layer, and therefore the thinning and lightening of the backlight source is realized. A manufacturing method of a backlight source and a display device are further provided.Type: GrantFiled: February 26, 2018Date of Patent: July 19, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Wei Wang, Huijuan Wang, Yafeng Yang, Xiaochuan Chen, Xue Dong, Xiandong Meng, Xianqin Meng, Jifeng Tan
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Patent number: 11391639Abstract: The present disclosure provides a pressure sensing device, including a sensor. The sensor includes a sheet-like piezoresistive material layer, and a first electrode structure and the second electrode structure arranged at opposite sides of the piezoresistive material layer respectively. At least one of the first electrode structure and the second electrode structure is provided with one or more protrusions at a surface facing the piezoresistive material layer, and the surface facing the piezoresistive material layer with the one or more protrusions forms an uneven surface.Type: GrantFiled: January 22, 2019Date of Patent: July 19, 2022Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yingyi Li
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Patent number: 11393245Abstract: A texture detection circuit, a charging circuit, driving methods and a touch display panel are provided. The texture detection circuit includes a first photosensitive element and a switching sub-circuit. A first electrode of the first photosensitive element is connected with a signal readout line. A second electrode of the first photosensitive element is connected with the switching sub-circuit. The switching sub-circuit is connected with a reverse power end and a charging sub-circuit, and is configured to switch a connection state of the second electrode of the first photosensitive element between a first connection state and a second connection state. The first connection state is a state in which the second electrode of the first photosensitive element is connected with the reverse power end. The second connection state is a state in which the second electrode of the first photosensitive element is connected with the charging sub-circuit.Type: GrantFiled: May 25, 2020Date of Patent: July 19, 2022Assignee: BOE Technology Group Co., LTD.Inventors: Xiaoliang Ding, Haisheng Wang, Lei Wang, Yunke Qin, Yingming Liu
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Patent number: 11393853Abstract: An array substrate and a manufacturing method thereof are disclosed. The method includes: forming a first thin film transistor which includes a first semiconductor layer, a first gate electrode, a first drain electrode and a first source electrode; forming a second thin film transistor which includes a second semiconductor layer, a second gate electrode, a second drain electrode and a second source electrode; and forming a dielectric layer which spaces the first semiconductor layer apart from the second semiconductor layer; the method further includes: processing the same layer to form at least one selected from the group consisting of the first gate electrode, the first drain electrode and the first source electrode, at least one selected from the group consisting of the second gate electrode, the second drain electrode and the second source electrode, and the dielectric layer by the same layer.Type: GrantFiled: December 18, 2019Date of Patent: July 19, 2022Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Kui Gong, Biliang Dong, Xianxue Duan, Zhihai Zhang
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Patent number: 11392245Abstract: A data detection method and device, a storage medium and a touch device are provided. The data detection method includes: collecting a plurality of initial detection values corresponding to a same touch point; comparing the plurality of initial detection values with a dynamic threshold of the touch point, and retaining the initial detection values which meet requirements as detection retention values; and adjusting the dynamic threshold of the touch point according to the detection retention values, wherein the adjusted dynamic threshold is used for comparing with the initial detection value corresponding to the touch point which is collected subsequently. The data detection method may adjust the dynamic threshold for touch points, and overcome an influence of environmental factors leading to a false detection.Type: GrantFiled: February 21, 2019Date of Patent: July 19, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianting Wang, Zhanchang Bu, Rui Guo, Jianzi He, Zhiming Meng
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Patent number: 11393267Abstract: The present disclosure relates to a method for identifying a visitor. The method for identifying a visitor is applied in an access control system. The access control system includes a control terminal, a door device and an illumination lamp. The illumination lamp provides lighting for a visitor. The method for identifying a visitor includes: receiving a real-time image of a current visitor outside a door from a door device; obtaining first encoded information extracted from a first optical signal corresponding to environmental light of the visitor's current environment; and identifying the visitor as an authorized visitor when the image matches with a preset image and the first encoded information contains preset encoded information. The preset image is pre-stored image information of the authorized visitor. The preset encoded information is consistent with encoded information embedded in an optical signal of an illumination lamp for illuminating the environment.Type: GrantFiled: April 15, 2019Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Chunyan Ji
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Patent number: 11392235Abstract: A display substrate includes: a base substrate; a first driving signal line arranged at a camera-free region; a second driving signal line arranged at an under-screen camera region, a light transmittance of the first driving signal line being smaller than a light transmittance of the second driving signal line, and the second driving signal line including at least two layers of leads; and a touch structure arranged on the base substrate and arranged at at least one of the camera-free region and the under-screen camera region. The touch structure includes at least two layers of touch signal lines, one layer of touch signal lines is made of a same material and arranged at a same layer as one layer of leads, and the other layer of touch signal lines is made of a same material and arranged at a same layer as the other layer of leads.Type: GrantFiled: May 28, 2021Date of Patent: July 19, 2022Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ming Dai, Dandan Jiang, Qicheng Chen, Xuwei Li, Haoyuan Fan, Jenyu Lee
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Patent number: 11393396Abstract: A pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes a reset circuit, a data writing circuit, a compensation circuit, and a driving circuit. The reset circuit is configured to apply a reset voltage to the first terminal of the light-emitting element to reset the first terminal of the light-emitting element; the data writing circuit is configured to write a data signal to the first terminal of the driving circuit; the compensation circuit is configured to write the reset voltage into the control terminal of the driving circuit when the reset circuit applies the reset voltage, and to write a compensation signal based on the data signal into the control terminal of the driving circuit when the data writing circuit writes the data signal; and the driving circuit is configured to control a driving current for driving the light-emitting element to emit light.Type: GrantFiled: August 10, 2020Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Yang, Libin Liu
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Patent number: 11393402Abstract: An OR logic operation circuit and a driving method, a shift register unit, a gate drive circuit, and a display device are provided. The OR logic operation circuit includes: a first inverter, a second inverter, a first control circuit, and a second control circuit. The first inverter is configured to invert a first control signal, which is received, to output a second control signal; the second inverter is configured to invert a third control signal received to output a fourth control signal; the first control circuit is configured to perform first control on a first node and the output terminal to achieve an OR operation and output a first level of an output signal at the output terminal; and the second control circuit is configured to perform second control on the first node and the output terminal to output a second level of the output signal at the output terminal.Type: GrantFiled: January 16, 2019Date of Patent: July 19, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Meng Li
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Patent number: 11392258Abstract: The present application provides a touch panel, a display panel and a display device. The touch panel includes: a base substrate; a first conductive structure on the base substrate; and a dielectric structure on the first conductive structure. The first conductive structure includes: a first electrode structure and a second electrode structure that are spaced apart from each other. A projection of the dielectric structure to the base substrate overlaps at least a part of a projection of the first electrode structure and the second electrode structure to the base substrate.Type: GrantFiled: March 24, 2021Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dalin Xiang, Yuanyuan Li, Meizhu Zheng, Zewen Bo, Jiuzhen Wang, Lina Liu
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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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Patent number: 11393877Abstract: A display substrate and a fabrication method thereof, and a display device. The display substrate includes a first pixel unit and a second pixel unit. The first pixel unit includes a first electrode and a first light-emitting layer that are stacked; the second pixel unit includes a second electrode and a second light-emitting layer that are stacked; an effective light-emitting area of the first light-emitting layer is unequal to an effective light-emitting area of the second light-emitting layer; and in a direction directly facing a display side of the display substrate, a light-reflecting area of the first electrode that is exposed in the first pixel unit is equal to a light-reflecting area of the second electrode that is exposed in the second pixel unit. The display substrate may suppress a color shift defect.Type: GrantFiled: April 1, 2019Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng, Chuanxiang Xu
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Patent number: 11393871Abstract: A method for fabricating an array substrate, a display panel, and a display device is provided. The array substrate is divided into a plurality of pixel regions, and each of the pixel regions is provided with a pixel thin film transistor (TFT). At least one of the pixel regions is provided with a pressure component and a force TFT, the force TFT includes a first electrode, a second electrode and a control electrode, and the pressure component is connected to one of the first electrode and the control electrode of the force TFT. At least one of layer structures of the pixel TFT is disposed in the same layer as a corresponding layer structure of the force TFT.Type: GrantFiled: January 30, 2018Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Chunwei Wu, Yingming Liu, Xiaoliang Ding, Xueyou Cao, Chihjen Cheng
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Patent number: 11394254Abstract: The present disclosure provides a wireless charging device, an electronic device, a wireless charging system and a wireless charging method. The wireless charging device includes: a transmitting coil; a first communication circuit, configured to receive relative position information of a receiving coil of a device to be charged; a plurality of prompters, the plurality of prompters being arranged around the transmitting coil; and a controller, configured to generate a trigger instruction of the prompter, according to the relative position information in combination with a relative positional relationship between the plurality of prompters and the transmitting coil, and control the prompter at a corresponding position to be turned on, to indicate a placement position of the device to be charged, so as to align the transmitting coil and the receiving coil.Type: GrantFiled: December 26, 2019Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhongwei Zhang
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Patent number: 11393886Abstract: Provided are a display panel and a manufacturing method thereof and a display device. The display panel includes a substrate and pixel units formed on the substrate, wherein, along a thickness direction of the display panel, at least one of the pixel units includes a driving and light filtering structure and a light emitting element formed at a side of the driving and light filtering structure facing away from the substrate, and wherein the driving and light filtering structure includes a driving part and a light filtering part, and the light filtering part is disposed in an accommodating hole penetrating through an insulating layer in the driving part along the thickness direction.Type: GrantFiled: December 5, 2019Date of Patent: July 19, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jun Liu, Liangchen Yan, Bin Zhou, Yongchao Huang, Luke Ding, Wei Li, Biao Luo, Xuehai Gui
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Patent number: 11394906Abstract: An image acquisition structure includes a dimming layer, a processing circuit, a plurality of reference circuits and a plurality of image acquisition circuits. The reference circuit includes a first photosensor. The dimming layer is provided on a light incident side of the first photosensor, and covers at least the first photosensor of the reference circuit. An input terminal of the processing circuit is electrically connected to an output terminal of the reference circuit. Input terminals of the plurality of image acquisition circuits are electrically connected to an output terminal of the processing circuit.Type: GrantFiled: June 25, 2021Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenjuan Wang, Lei Wang, Yapeng Li, Yuanyuan Ma, Yubo Wang
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Compensation method and compensation apparatus for organic light-emitting display and display device
Patent number: 11393394Abstract: A compensation method and a compensation apparatus for an organic light-emitting display, and a display device are disclosed. The compensation method includes: determining a write-back voltage of each sub-pixel to be compensated in a row to be compensated in a current frame according to a data voltage and a gain value of the sub-pixel to be compensated in the row to be compensated in the current frame, the gain value being greater than 1; and respectively writing back the write-back voltage of each sub-pixel to be compensated in the row to be compensated in the current frame correspondingly to the sub-pixel to be compensated in the row to be compensated in scan time of a blank period of the current frame.Type: GrantFiled: March 1, 2018Date of Patent: July 19, 2022Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Haixia Xu, Song Meng, Yue Wu, Wenchao Bao, Min He -
Patent number: 11393414Abstract: A display device, a virtual reality display apparatus and a display device control method. The display device includes: a liquid crystal panel, which includes a plurality of sub-pixel groups and a first black matrix, each of the sub-pixel groups including n consecutive rows of sub-pixels, the first black matrix being disposed between two adjacent sub-pixel groups, and n being any positive integer, and a backlight, which includes a plurality of sub-light source groups and a second black matrix, which second black matrix is disposed between two adjacent sub-light source groups, each of the sub-light source groups being disposed in one-to-one correspondence with each of the sub-pixel groups, and the second black matrix having the same light-shielding region as the first black matrix.Type: GrantFiled: September 20, 2018Date of Patent: July 19, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Sun, Lin Lin, Ziqiang Guo, Xinjian Liu, Zhen Tang, Yu Lei, Yakun Wang
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Patent number: 11389742Abstract: An interactive toy includes a housing, a control module, a motor, a rotating shaft, and an external member. The rotating shaft is exposed outside the housing, and is connected to the external member. The control module is configured to control the motor to drive the rotating shaft to rotate. The toy further includes a measurement module and an analysis module. The measurement module is configured to measure an angle by which the rotating shaft rotates from an initial stationary state to the state in which its rotating speed reaches the maximum. The analysis module is configured to compare a preset reference angle with the angle by which the rotating shaft from the initial stationary state to the state in which the rotating speed of the rotating shaft reaches the maximum to determine whether the external member encounters an obstacle.Type: GrantFiled: June 11, 2019Date of Patent: July 19, 2022Assignee: SHANGHAI BLOCKS TECHNOLOGY GROUP CO., LTD.Inventors: Chao Gao, Yi He, Liang Li, Zhenyu Wan, Lei Li
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Patent number: 11394009Abstract: Provided is a display substrate having a polygonal encapsulation region with a plurality of edges and a periphery region surrounding the encapsulation region. The display substrate includes a base substrate, and a partition structure within the periphery region on a side of the base substrate. The partition structure includes a plurality of isolation dams, arranged at intervals along a direction away from the encapsulation region, outside each edge of the encapsulation region. The plurality of edges include a first edge and a second edge, and a plurality of first isolation dams outside the first edge are not in connection with, and have more dams than, a plurality of second isolation dams outside the second edge.Type: GrantFiled: June 14, 2019Date of Patent: July 19, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunsheng Xiao, Haigang Qing, Xiangdan Dong, Tingliang Liu