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公开(公告)号：US11209943B2
公开(公告)日：2021-12-28
申请号：US16074107
申请日：2018-01-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Minghua Xuan , Lei Wang , Jie Fu , Li Xiao , Pengcheng Lu , Dongni Liu
Abstract: An OLED touch display panel and a touch display device are disclosed. The OLED touch display panel includes a TFT back plate and a cathode layer disposed on the TFT back plate. The cathode layer includes a plurality of touch leads which are insulated from each other and a plurality of self-capacitance electrodes which are insulated from each other and arranged in a form of a matrix. The touch leads extend to a non-display region of the OLED touch display panel. Each one of the touch leads is connected with one of the self-capacitance electrodes, and resistance values of the touch leads connected with the self-capacitance electrodes of a same row are all consistent.
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公开(公告)号：US11170716B2
公开(公告)日：2021-11-09
申请号：US15775431
申请日：2017-11-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li Xiao , Xiaochuan Chen , Minghua Xuan , Shengji Yang , Jie Fu , Lei Wang , Dongni Liu , Pengcheng Lu , Han Yue
IPC: G09G3/3258 , G09G3/3266 , G09G3/3291
Abstract: A pixel circuit includes a light emitting element; a first switch transistor connected in series with the light emitting element between a first supply voltage terminal and a second supply voltage terminal, the first switch transistor including a gate electrode connected to a first node; and a storage circuit coupled to the first node and a reference voltage terminal for receiving a reference voltage, the storage circuit being configured to store the reference voltage in the storage circuit in response to an active signal on a scan line during a write phase, and to supply the stored reference voltage to the first node during a light emission phase in response to an active data signal on a data line to achieve light emission of the light emitting element, the active data signal having a duration indicating a magnitude of image data for the pixel circuit.
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公开(公告)号：US20210334509A1
公开(公告)日：2021-10-28
申请号：US16626779
申请日：2018-12-03
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu , Guanda Huang , Zengqiang Zheng
IPC: G06K9/00 , G06F21/32 , G06F21/84 , H01L27/146 , G02B5/18 , G02F1/1335
Abstract: An integrated photo-sensing detection display substrate. The integrated photo-sensing detection display substrate includes a base substrate; a plurality of light emitting elements on the base substrate and configured to emit light, a portion of the light being totally reflected by a surface thereby forming totally reflected light; an addressable diffraction grating layer on a side of the base substrate away from the plurality of light emitting elements, and including a plurality of individually addressable diffraction regions, light diffraction respectively in the plurality of individually addressable diffraction regions being independently controllable; and a photosensor on a side of the addressable diffraction grating layer away from the base substrate and configured to detect light transmitted from one or more of the plurality of individually addressable diffraction regions, thereby detecting fingerprint information.
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公开(公告)号：US20210264126A1
公开(公告)日：2021-08-26
申请号：US17255922
申请日：2020-05-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu , Shengnan Li , Kuanta Huang
Abstract: Fingerprint recognition driving circuit and method, fingerprint recognition module and touch screen are provided. The circuit includes: a first charge storing sub-circuit, a data acquiring sub-circuit configured to write output voltage of an ultrasonic sensor into a first end of the first charge storing sub-circuit, a driving sub-circuit including a driving transistor, a second charge storing sub-circuit, a circuit compensating sub-circuit configured to charge the second charge storing sub-circuit through the first charge storing sub-circuit and the driving transistor ill potential at a first end of the second charge storing sub-circuit equals the sum of output voltage of the ultrasonic sensor and threshold voltage of the driving transistor, and an output controlling sub-circuit configured to transmit a current signal output by the driving transistor to a signal reading circuit.
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公开(公告)号：US11024688B2
公开(公告)日：2021-06-01
申请号：US16579936
申请日：2019-09-24
Inventor： Pengcheng Lu , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Lei Wang , Ming Yang , Qian Wang , Rui Xu , Jian Gao , Xiaochen Niu , Haisheng Wang , Shengji Yang , Changfeng Li
IPC: H01L27/32 , G09G3/20 , G09G3/3225 , G09G3/36
Abstract: A pixel structure is disclosed. The pixel structure includes a plurality of sub-pixel groups arranged in an array, wherein each sub-pixel group is constituted by 6 sub-pixels of different colors arranged in two rows and three columns respectively. In each row of the sub-pixels, a square pixel unit is constituted by at most two adjacent sub-pixels. The present application further discloses a display panel and a driving method of said pixel structure.
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Patent Agency Ranking
公开(公告)号：US10997387B2
公开(公告)日：2021-05-04
申请号：US16089763
申请日：2018-02-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Changfeng Li , Haisheng Wang , Yingming Liu , Xiaoliang Ding , Rui Xu , Pengpeng Wang , Wei Liu , Pinchao Gu , Yunke Qin , Yuzhen Guo , Pengcheng Lu
IPC: G06K9/00
Abstract: Provided is a fingerprint recognition circuit, including a resetting sub-circuit, a fingerprint sensing sub-circuit, a signal acquiring sub-circuit, and a driving sub-circuit, the resetting sub-circuit is connected to the reading node, the resetting port, a first port for resetting the reading node; the fingerprint sensing sub-circuit is connected to the reading node for acquiring fingerprint information, converting it into a detection signal to output to the reading node; the signal acquiring sub-circuit is connected to the reading node, the driving sub-circuit and a power port to output a signal of the reading node to the driving sub-circuit; the driving sub-circuit is connected to a reading port, the signal acquiring sub-circuit, an output port and a second port, outputs the signal output by the signal acquiring sub-circuit through the reading port in a fingerprint recognition stage, outputs the signal of the reading port to the output port in a display stage.
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公开(公告)号：US20210074790A1
公开(公告)日：2021-03-11
申请号：US16624217
申请日：2019-05-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Weihai Wang , Xiaochuan Chen , Shengji Yang , Pengcheng Lu
Abstract: A display substrate having a display region and at least one bonding region located on the periphery of the display region, includes: multiple first signal via holes located in the at least one bonding region and configured to provide bonding lead channels; and multiple second signal via holes located in the display region and configured to provide electrode lead channels. The diameter of each of the first signal via holes is greater than the diameter of any one second signal via hole.
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公开(公告)号：US10909925B2
公开(公告)日：2021-02-02
申请号：US15751300
申请日：2017-07-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Han Yue , Xiaochuan Chen , Shengji Yang , Dongni Liu , Lei Wang , Li Xiao , Pengcheng Lu , Jie Fu
IPC: G09G3/3258
Abstract: A pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a light emitting element, a driving circuit and a compensation voltage acquisition circuit. The driving circuit is configured to drive the light emitting element to emit light; and the compensation voltage acquisition circuit is configured to obtain a compensation voltage based on luminance of the light emitting element, and the compensation voltage can be provided to the driving circuit.
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公开(公告)号：US10797118B2
公开(公告)日：2020-10-06
申请号：US16301894
申请日：2018-05-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Minghua Xuan , Lei Wang , Pengcheng Lu , Li Xiao , Dongni Liu , Jing Yu
Abstract: A touch panel, a method for fabricating the same, and a display device are provided. The touch panel includes: a base substrate, a plurality of touch electrode lines, a plurality of cathodes arranged in a matrix, and a plurality of spacers, where each cathode corresponds to at least one of the touch electrode lines, and each spacer includes a first photo spacer and a second photo spacer stacked successively; each touch electrode line includes a first lead part and a second lead part, wherein the first lead part is electrically connected with corresponding one of the cathodes, and the second lead part is configured to electrically connect the first lead part with a corresponding pin on a touch integrated circuit; and the first lead part at least covers the surface of the first photo spacer.
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230.发明授权公开(公告)号：US10795191B2
公开(公告)日：2020-10-06
申请号：US16078285
申请日：2017-11-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jian Gao , Xiaochuan Chen , Yafeng Yang , Xiandong Meng , Pengcheng Lu
IPC: G02F1/133 , G03H1/22 , G02F1/1335 , G02F1/1343 , G02F1/1334
Abstract: A display device and a display method are provided. The display device includes: an optical element including a plurality of optical units arranged independent of each other, wherein one or more optical parameters of each of the optical units are adjustable, and the one or more optical parameters comprise at least one of light transmittance or refractive index; a laser source arranged at a side of the optical element, and configured to emit a laser beam related to a to-be-displayed holographic image; and a driving circuit configured to adjust the light transmittance and/or refractive index of each of the optical units in accordance with image data about the to-be-displayed holographic image in such a manner that the optical unit is configured to modulate the laser beam or a linearly-polarized light beam acquired by converting the laser beam.
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