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公开(公告)号:US10885846B2
公开(公告)日:2021-01-05
申请号:US16096035
申请日:2018-04-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Minghua Xuan , Shengji Yang , Pengcheng Lu , Jie Fu , Lei Wang , Li Xiao
IPC: G09G3/3258
Abstract: The present disclosure relates to a pixel driving circuit, a display device and a driving method. The pixel driving circuit is configured to control on and off of a pixel unit, and includes: a first control sub-circuit, a first output sub-circuit, a second control sub-circuit, a second output sub-circuit, a third control sub-circuit, and a fourth control sub-circuit. Specifically, the fourth control sub-circuit is configured, if turned on, to cause a voltage drop of the first level signal input at the first level signal input terminal and to output the first level signal with the voltage drop to the third control node, such that a voltage at the third control node is less than or equal to a voltage at the first control node, thereby maintaining the third control sub-circuit off.
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公开(公告)号:US10784218B2
公开(公告)日:2020-09-22
申请号:US16317658
申请日:2018-05-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Li Xiao , Tingting Zhou , Xiaochuan Chen , Shengji Yang , Dongni Liu , Lei Wang , Jie Fu , Pengcheng Lu , Han Yue
IPC: H01L23/00 , H01L27/12 , H01L27/32 , G02F1/1345
Abstract: The present disclosure provides a display apparatus and a manufacturing method thereof. The display apparatus includes a silicon substrate, a plurality of metal data interfaces disposed on the silicon substrate, and a plurality of conductive patterns covering upper surfaces of the metal data interfaces respectively. The plurality of the conductive patterns is formed by enabling a semiconductor material to be conductive and the plurality of conductive patterns are not contacted with each other.
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公开(公告)号:US10771770B2
公开(公告)日:2020-09-08
申请号:US15538038
申请日:2016-12-02
Inventor: Pengcheng Lu , Xiaochuan Chen , Wenqing Zhao , Ming Yang , Lei Wang , Rui Xu , Jian Gao , Xiaochen Niu , Haisheng Wang , Shengji Yang , Changfeng Li
IPC: H04N13/32 , H04N13/324 , H04N13/312 , G02B30/26 , G02B30/27 , H04N13/356 , H04N13/398 , G02F1/137 , H01L27/15
Abstract: A 3D display device and the driving method for the 3D display device are provided. The 3D display device includes a liquid crystal display panel for monochrome display, and an electroluminescence display panel for color display disposed under the liquid crystal display panel; the electroluminescence display panel includes a plurality of regions arranged in a matrix, the plurality of regions form columns of bright regions and columns of dark regions, which are arranged alternately the liquid crystal display panel includes a plurality of first sub-pixels arranged in a matrix; each bright region of the electroluminescence display panel corresponds to at least two first sub-pixels adjacent in row direction of the liquid crystal display panel.
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304.
公开(公告)号:US20200218866A1
公开(公告)日:2020-07-09
申请号:US15751848
申请日:2017-07-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shengji Yang , Xue Dong , Hailin Xue , Xiaochuan Chen , Haisheng Wang , Yingming Liu , Lei Wang , Xiaoliang Ding , Rui Xu , Pengcheng Lu
Abstract: Embodiments of the disclosure relate to a fingerprint identification device, a touch display panel, and a method for driving a fingerprint identification device. The fingerprint identification device for identification of a fingerprint of a finger, includes: at least one resonant chamber; and at least one ultrasonic generating and detecting device provided opposite to the at least one resonant chamber; each of the at least one ultrasonic generating and detecting device is configured to generate initial ultrasonic signals having a frequency which is identical to an initial intrinsic frequency of the resonant chamber in a condition of being untouched by the finger, and each of the at least one ultrasonic generating and detecting device is also configured to convert the ultrasonic signals reflected by ridges and valleys of the finger into electrical signals, and to determine information on pattern of the finger depending on the electrical signals.
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公开(公告)号:US10698275B2
公开(公告)日:2020-06-30
申请号:US15535957
申请日:2016-10-24
Inventor: Qian Wang , Xiaochuan Chen , Wenqing Zhao , Rui Xu , Lei Wang , Ming Yang , Pengcheng Lu , Jian Gao , Xiaochen Niu
IPC: G02F1/1347 , G02F1/29 , G02F1/1335 , G02F1/139 , H01L27/32
Abstract: A display apparatus is provided. The display apparatus includes a flat display panel; a light deflector, the light deflector being located in a light emergent direction of the display panel, the light deflector being configured to converge light emitted from the display panel in a direction toward a center plane, the center plane being perpendicular to the display panel, and a vertical center line of the display panel being located in the center plane.
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公开(公告)号:US10698268B2
公开(公告)日:2020-06-30
申请号:US15541375
申请日:2017-01-10
Inventor: Lei Wang , Xiaochuan Chen , Wenqing Zhao , Qian Wang , Rui Xu , Ming Yang , Jian Gao , Pengcheng Lu , Xiaochen Niu , Changfeng Li
IPC: G02F1/1335 , G02F1/1343 , G02F1/29 , G02F1/1347 , G02F1/03 , G02F1/133 , G09G3/00 , G09G3/36
Abstract: A liquid crystal lens, a manufacturing method and a corresponding curved display device are disclosed. The liquid crystal lens is configured to be adhered over a flat display device for achieving curved display, and includes liquid crystals, a first electrode and a second electrode for driving the liquid crystals, and an elevation layer. The first electrode includes a plurality of independent electrodes separate from each other, each independent electrode being arranged on the elevation layer. The elevation layer is further configured such that each independent electrode is located in a different position along a thickness direction of the elevation layer.
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公开(公告)号:US10665167B2
公开(公告)日:2020-05-26
申请号:US15769277
申请日:2017-09-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Jie Fu , Xiaochuan Chen , Shengji Yang , Dongni Liu , Lei Wang , Pengcheng Lu , Li Xiao , Han Yue , Yankai Gao , Mingfu Han
IPC: G09G3/3258 , G09G3/3233 , G09G3/00 , G09G3/3266 , G09G3/3291 , H01L27/32
Abstract: A pixel circuit and a driving method, a display device. The pixel circuit includes: a main driving circuit, configured to, under control of a scanning signal line and a data signal line, output a main driving current signal to a fusing circuit; the fusing circuit configured to enable a light emitting circuit and the main driving circuit to be disconnected from each other; a fusing control circuit configured to, under control of a signal input terminal, enable the light emitting circuit and the main driving circuit to be disconnected from each other; a standby driving circuit configured to output a standby driving current signal to a switching circuit; the switching circuit configured to, under control of an input signal of a control line, connect the standby driving circuit to the light emitting circuit; and the light emitting circuit configured to emit light by using the standby driving current signal.
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308.
公开(公告)号:US10580836B2
公开(公告)日:2020-03-03
申请号:US16074323
申请日:2018-01-03
Applicant: BOE Technology Group Co., Ltd.
Inventor: Shengji Yang , Xue Dong , Xiaochuan Chen , Minghua Xuan , Pengcheng Lu , Weifeng Han , Huijuan Wang , Jing Yu , Yingli Liu , Limin Yu
Abstract: An OLED touch display panel, a method for manufacturing an OLED touch display panel and a touch display device are disclosed. The method comprises: forming a plurality of baffles by a patterning process on a TFT back plate, wherein each of the baffles defines a touch region; and forming a cathode layer on the TFT back plate on which the baffles have been formed. The cathode layer is partitioned by the baffles into a plurality of self-capacitance electrodes insulated from each other. Each of the self-capacitance electrodes is located within one of the touch regions and matches the touch region in shape.
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公开(公告)号:US10564466B2
公开(公告)日:2020-02-18
申请号:US15568429
申请日:2017-04-19
Inventor: Xiaochen Niu , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Ming Yang , Qian Wang , Pengcheng Lu , Jian Gao , Lei Wang , Rui Xu
IPC: G02F1/1335 , G02F1/1343 , G02F1/137 , H01L27/12
Abstract: Provided is a display panel assembly, comprising a display panel and a plurality of optical micro-structures arranged at a light outgoing side of the display panel. The display panel comprises a plurality of pixel groups, each of the plurality of pixel groups comprising one pixel or a plurality of pixels sequentially arranged. Each of the plurality of optical micro-structures corresponds to a plurality of pixel groups sequentially arranged, for modulating light emitted from the corresponding pixel groups to different fields of view. A display device and a driving method thereof are also provided.
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310.
公开(公告)号:US10560647B2
公开(公告)日:2020-02-11
申请号:US15780747
申请日:2017-11-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shengji Yang , Xue Dong , Jing Lv , Xiaochuan Chen , Lei Wang , Dongni Liu , Pengcheng Lu , Jie Fu , Li Xiao , Han Yue
IPC: H04N5/357 , H01L27/146 , H04N5/3745 , H01L27/02 , H04N5/374
Abstract: A driving circuit and a driving method, an active pixel sensor, an image sensor, and an electronic device. The driving circuit includes: a reset circuit, a photoelectric sensing circuit, a signal forming circuit, a signal conversion circuit, and a signal output circuit. The reset circuit resets the photoelectric sensing circuit and the signal forming circuit; the photoelectric sensing circuit performs photoelectric conversion on incident light irradiation to form a photoelectric voltage signal; the signal forming circuit transmits the photoelectric voltage signal to the signal conversion circuit, and transmits a compensated photoelectric voltage signal to the signal conversion circuit; the signal output circuit transmits a second voltage to the signal conversion circuit and the signal forming circuit and outputs a photoelectric current signal; the signal conversion circuit forms the compensated photoelectric voltage signal and outputs the photoelectric current signal to signal output circuit.
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