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公开(公告)号：US11417826B2
公开(公告)日：2022-08-16
申请号：US16609296
申请日：2019-05-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G5/00 , H01L41/113 , H01L41/047 , G06F3/041 , G06V40/13
Abstract: The embodiments of the present disclosure disclose an ultrasonic sensor, a manufacturing method thereof, and a display device. The ultrasonic sensor includes a substrate and at least one sensor component located on the substrate. The sensor component includes a first electrode, a second electrode, and a piezoelectric layer located between the first electrode and the second electrode. The substrate is provided with a groove on a side close to the sensor component, and the orthographic projection of the piezoelectric layer on the substrate has a portion overlapping with a region of the groove in the substrate.
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公开(公告)号：US11315491B2
公开(公告)日：2022-04-26
申请号：US16500747
申请日：2019-05-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qian Yang , Libin Liu , Qiang Wang
IPC: G09G3/3258 , G09G3/3266 , G09G3/3275 , G06V40/13
Abstract: A pixel circuit, a display panel, and a driving method. The pixel circuit includes a data writing circuit, an ultrasonic acquiring and converting circuit, a storage circuit, a driving circuit, an output control circuit, and a light emitting device. The ultrasonic acquiring and converting circuit converts a received ultrasonic signal into a converted electrical signal, and provides the converted electrical signal to the data writing circuit; the data writing circuit provides the converted electrical signal or a data signal to a first node; the driving circuit provides a recognition signal obtained according to the converted electrical signal or a driving signal to the fourth node; the storage circuit maintains a voltage difference between the first node and the second node stable; the output control circuit provides a level of the fourth node to a third node; the third node outputs the recognition signal.
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公开(公告)号：US11264430B2
公开(公告)日：2022-03-01
申请号：US16600316
申请日：2019-10-11
Inventor： Lujiang Huangfu , Libin Liu , Fengli Ji , Xiaodan Jin , Yinan Liang , Mei Li , Jie Zhang , Chang Luo , Jianpeng Wu , Hongli Wang
IPC: H01L27/32 , G09G3/3225 , G09G3/3233 , H01L51/52
Abstract: A pixel arrangement structure are provided, which includes a plurality of repeating units. Each of the plurality of repeating units includes two first sub-pixels, one second sub-pixel, and one third sub-pixel. Each of the first sub-pixel, the second sub-pixel and the third sub-pixel includes a pixel defining layer, the pixel defining layer includes a pixel defining layer opening to define an effective light emitting region of each sub-pixel; a plurality of first sub-pixels are arranged along the second direction to form a plurality of first sub-pixel groups, orthographic projections of pixel defining layer openings of the first sub-pixels in adjacent ones of the plurality of first sub-pixel groups on a straight line parallel to the second direction do not overlap each other.
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公开(公告)号：US11107412B2
公开(公告)日：2021-08-31
申请号：US16882123
申请日：2020-05-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yipeng Chen , Libin Liu
IPC: G09G3/3258 , G09G3/3266 , G09G3/3275
Abstract: A pixel driving circuit includes a driving sub-circuit, a data writing sub-circuit, a compensation sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to drive the light-emitting device. The data writing sub-circuit is configured to write a data signal to the driving sub-circuit. The compensation sub-circuit is configured to compensate a voltage of the driving sub-circuit. The compensation sub-circuit includes a first switching transistor whose gate is electrically connected to the scanning signal terminal, first electrode is electrically connected to a first terminal of the driving sub-circuit and second electrode is electrically connected to a second terminal of the driving sub-circuit. The first switching transistor is an indium gallium zinc oxide thin film transistor. The light-emitting control sub-circuit is electrically connected to the driving sub-circuit and configured to turn on a line between a first voltage terminal and a second voltage terminal.
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公开(公告)号：US20210151483A1
公开(公告)日：2021-05-20
申请号：US16834492
申请日：2020-03-30
Applicant: BOE Technology Group Co., Ltd.
IPC: H01L27/146 , G06F1/16
Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate, and a first display region and a second display region that are located on the base substrate, where the first display region includes a plurality of first sub-pixels and a plurality of transparent regions, the second display region includes a plurality of second sub-pixels, and a distribution density of the first sub-pixels is smaller that of the second sub-pixels; and an area occupied by the first sub-pixels is smaller than that occupied by the second sub-pixels.
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Patent Agency Ranking
96.发明授权公开(公告)号：US10734608B2
公开(公告)日：2020-08-04
申请号：US16107676
申请日：2018-08-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure discloses a display panel, which includes a thin-film transistor arranged on a substrate, an electroluminescent diode arranged on the thin-film transistor, which includes a bottom electrode, a light emitting layer, and a top electrode, and a thin-film encapsulation layer covering the electroluminescent diode. The display panel further includes an auxiliary electrode and a lead wire of the top electrode of the electroluminescent diode. The auxiliary electrode is electrically connected to the lead wire of the top electrode of the electroluminescent diode by penetrating through a via hole of the thin-film encapsulation layer. Arrangements of the present disclosure provide a display panel and a manufacturing method thereof and a display device including the display panel.
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97.发明申请公开(公告)号：US20200160021A1
公开(公告)日：2020-05-21
申请号：US16630199
申请日：2019-06-05
Applicant: BOE Technology Group Co., Ltd.
Abstract: An ultrasonic signal detecting circuit, an ultrasonic signal detecting method, and a display panel. The ultrasonic signal detecting circuit includes a control sub-circuit and a sensing sub-circuit. The sensing sub-circuit detects an ultrasonic echo signal, and generates a piezoelectric signal, which includes a first sub-signal and a second sub-signal, according to the ultrasonic echo signal, the voltage value of one of the first and second sub-signals are higher than the value of a reference voltage signal, and that of the other one of the first and second sub signals are lower than the reference voltage signal. The control sub-circuit is electrically connected to the sensing sub-circuit. Under control of the first sub-signal a first power supply end and an output end of the control sub-circuit are fumed on; and under control of the second sub-signal, the first power supply end and the output end of the control sub-circuit are turned on.
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98.发明授权公开(公告)号：US10606421B2
公开(公告)日：2020-03-31
申请号：US15237837
申请日：2016-08-16
Inventor： Qiang Wang , Libin Liu
Abstract: A tree-dimensional (3D) touch panel and a manufacturing method thereof, a touch drive device and method, and a display device are provided. The 3D touch panel includes a display backplate and a cover plate opposite to each other. The display backplate includes a display substrate, a plurality of first touch electrodes, first wirings, and a plurality of spacers. The cover plate includes a cover plate substrate, a plurality of second touch electrodes and second wirings formed on a surface of the cover plate substrate facing the display backplate, and a position touch layer formed on a surface of the cover plate substrate away from the display backplate. The position touch layer is configured to detect a touch position; and the first touch electrodes and the second touch electrodes correspond to each other in position and are both disposed at the spacers.
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99.发明授权公开(公告)号：US10139945B2
公开(公告)日：2018-11-27
申请号：US15126765
申请日：2015-09-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jianing Lu , Ling Shi , Long Wang , Libin Liu
Abstract: The present disclosure provides an OLED touch panel, comprising: a substrate; a cathode and an anode, arranged on the substrate, wherein the cathode comprise a plurality of sub-cathodes; and at least one touch driving electrode, arranged on a same layer as the anode and separated from the anode, wherein the touch driving electrode is disposed to be intersected with the sub-cathodes; wherein the OLED touch panel is configured to, at a displaying phase, apply a driving signal for displaying on the cathode or the anode, so as to drive an OLED device, and applying, at a touching phase, a driving signal for touching on the touch driving electrode, so that at least a part of the sub-cathodes are operated as touch sensing electrodes, to output a touch sensing signal. The present disclosure also provides a display apparatus comprising the above OLED touch panel and a method for driving the same. The present disclosure uses the anode and cathode layer of the OLED device as an electrode layer of the touch sensor. Thus, by performing the touching and displaying of the touch display in a time sharing manner, the electrode layer can be omitted, and the thinner touch display can be manufactured.
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100.发明申请公开(公告)号：US20180144811A1
公开(公告)日：2018-05-24
申请号：US15574465
申请日：2017-04-19
IPC: G11C19/28 , G09G3/296 , G09G3/3233
CPC classification number: G11C19/287 , G09G3/20 , G09G3/296 , G09G3/3233 , G09G2310/0267 , G09G2310/0286 , G11C19/28
Abstract: Embodiments of the present disclosure provide a shift register unit, a gate driving circuit and driving method thereof, and a display apparatus. The shift register unit comprises a first controlling sub-circuit, a second controlling sub-circuit, a first pulling up sub-circuit, a second pulling up sub-circuit, a first pulling down sub-circuit and a second pulling down sub-circuit. The first controlling sub-circuit controls the potential at the first node. The voltage of a second clock signal terminal can be outputted to the first and the second outputting terminals by the first and the second pulling down sub-circuits, respectively. The first node, the first clock signal terminal and the second voltage terminal may control the potential at a second node through the second controlling sub-circuit. Under the control of the potential at the second node, the voltage of the second voltage terminal can be outputted to the first and the second outputting terminals.
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