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公开(公告)号：US20200256741A1
公开(公告)日：2020-08-13
申请号：US15772877
申请日：2017-09-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Haisheng Wang , Xue Dong , Jing Lv , Xiaochuan Chen , Chunwei Wu , Yingming Liu , Xiaoliang Ding
Abstract: According to the embodiments of the present disclosure, there is provided a sensor for detecting a temperature. The sensor comprises a switch circuit; a charge/discharge circuit connected to the switch circuit, and configured to be charged and discharged under control of the switch circuit; a sensing circuit connected to the charge/discharge circuit, and configured to cause a charge/discharge period of the charge/discharge circuit to change with a temperature of the sensing circuit; and an oscillation circuit connected to the switch circuit and the charge/discharge circuit, and configured to generate, under action of the charge/discharge circuit, an oscillation signal for controlling the switch circuit, wherein an oscillation frequency of the oscillation signal is dependent on the charge/discharge period and thus indicates the temperature of the sensing circuit. In addition, the embodiments of the present disclosure further provide an array substrate and display comprising the sensor, and a corresponding voltage adjustment method.
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62.发明授权公开(公告)号：US10741125B2
公开(公告)日：2020-08-11
申请号：US16070513
申请日：2017-12-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Jing Lv , Xiaochuan Chen , Minghua Xuan , Can Zhang , Ming Yang , Yan Li , Xiaoling Xu
IPC: G09G3/30 , G09G3/3241 , G09G3/36
Abstract: Embodiments of the present disclosure provide a pixel unit and a driving method thereof, a display panel and a driving method thereof, and a display apparatus. The pixel unit comprises a driving sub-circuit, a first switching sub-circuit, a second switching sub-circuit, and a light-emitting element. The driving sub-circuit has a first terminal electrically coupled to a first power supply terminal, and a second terminal electrically coupled to a first terminal of the light-emitting element. The first switching sub-circuit has an inputting terminal electrically coupled to a data line, an outputting terminal electrically coupled to an inputting terminal of the second switching sub-circuit, and a controlling terminal electrically coupled to a scanning line. The second switching sub-circuit has an outputting terminal electrically coupled to an inputting terminal of the driving sub-circuit.
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63.发明申请公开(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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64.发明授权公开(公告)号：US10691911B2
公开(公告)日：2020-06-23
申请号：US15770644
申请日：2017-10-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanling Han , Xue Dong , Haisheng Wang , Chunwei Wu , Xiaoliang Ding , Yingming Liu , Yuzhen Guo , Chihjen Cheng , Changfeng Li
IPC: G06K9/00 , G06F3/041 , H01L27/12 , G06F3/043 , H01L41/047 , H01L41/113
Abstract: The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.
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公开(公告)号：US10691210B2
公开(公告)日：2020-06-23
申请号：US16072011
申请日：2017-12-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanling Han , Haisheng Wang , Xiaoliang Ding , Xue Dong , Jing Lv , Chih Jen Cheng , Wei Liu , Pengpeng Wang , Xueyou Cao , Ping Zhang , Yanan Jia , Chun Wei Wu
Abstract: A touch panel, an electronic device, and a driving method thereof are provided. The touch panel includes: a substrate and a tactile feedback layer, a touch detection circuit and a plurality of driving electrodes located on the substrate. The tactile feedback layer is configured to adjust hardness thereof under control of the driving electrode, the touch detection circuit is configured to provide a plurality of touch detection points, each of the touch detection points corresponding to at least one of the driving electrodes.
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Patent Agency Ranking
公开(公告)号：US10679565B2
公开(公告)日：2020-06-09
申请号：US16063448
申请日：2017-11-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jiha Kim , Seung Woo Han , Guangliang Shang , Haoliang Zheng , Xing Yao , Mingfu Han , Zhichong Wang , Lijun Yuan , Yun Sik Im , Yinglong Huang , Xue Dong
IPC: G09G3/3266 , G11C19/28 , H01L27/12 , G09G3/3208
Abstract: An array substrate, a display panel, a display device and a driving method. The array substrate includes: a plurality of first pixel units arranged in an array in a first region; a first gate driving circuit a second gate driving circuit; a plurality of first gate lines connected with the first gate driving circuit; and a plurality of second gate lines connected with the second gate driving circuit. A first portion of the plurality of first pixel units is connected with the plurality of first gate lines, and each first pixel unit in the first portion is connected with one of the plurality of first gate lines; and a second portion of the plurality of first pixel units is connected with the plurality of second gate lines, and each first pixel unit in the second portion is connected with one of the plurality of second gate lines.
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67.发明授权公开(公告)号：US10679559B2
公开(公告)日：2020-06-09
申请号：US15827551
申请日：2017-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Xue Dong , Jing Lv , Haisheng Wang , Chunwei Wu , Yingming Liu , Wei Liu , Pengpeng Wang , Yanling Han , Xueyou Cao , Ping Zhang
IPC: G09G3/3258 , H01L27/32 , G06K9/00 , G09G3/3266 , G09G3/3233
Abstract: A display driving unit circuit, a driving method, a display driving circuit and a display device are provided. The display driving unit circuit includes a pixel driving circuit and a light-emission control signal generation circuit. The light-emission control signal generation circuit is coupled to the pixel driving circuit. The pixel driving circuit is to drive a pixel to emit light. The light-emission control signal generation circuit is to supply a display light-emission control signal to the pixel driving circuit at a display stage to enable the pixel in a displaying mode and supply a fingerprint detection light-emission control signal to the pixel driving circuit at a fingerprint detection stage to enable the pixel in a fingerprint detection light-emission mode at the fingerprint detection stage. The display stage and the fingerprint detection stage are different time periods.
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公开(公告)号：US10678377B2
公开(公告)日：2020-06-09
申请号：US15752073
申请日：2017-07-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chunwei Wu , Xue Dong , Haisheng Wang , Xiaoliang Ding , Yingming Liu , Pengpeng Wang , Yanling Han , Wei Liu , Rui Xu , Lijun Zhao , Yuzhen Guo , Changfeng Li , Yanan Jia , Jing Lv
Abstract: The present application provides a sensor comprising a grating and a sensor array sequentially disposed in a thickness direction of the sensor, wherein the sensor array comprises a plurality of photosensitive sensor units, and light passing through a light transmission gap of the grating reaches the plurality of photosensitive sensor units. The present application further provides a display device comprising the sensor. The sensor may detect three-dimensional coordinates of an object so that the display device can realize three-dimensional touch control.
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公开(公告)号：US10664680B2
公开(公告)日：2020-05-26
申请号：US15759755
申请日：2017-09-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Rui Xu , Xue Dong , Haisheng Wang , Chun-Wei Wu , Yingming Liu , Changfeng Li , Yunke Qin , Xiaoliang Ding , Pinchao Gu , Lijun Zhao , Yanan Jia , Yuzhen Guo , Jing Lv , Xiaochuan Chen
Abstract: The embodiments of the present disclosure provide an optical fingerprint recognition apparatus and a display panel. The apparatus comprises: a light emitting structure (1), a collimating structure (2) and a plurality of photosensitive sensors (3); the light emitting structure (1) is used for generating detecting light; the collimating structure (2) is used for filtering the detecting light reflected by a finger, such that light with a scattering angle in a predetermined range transmits through the collimating structure (2); the photosensitive sensors (3) are used for receiving the light transmitted through the collimating structure (2) and acquiring fingerprint information according to the received light. The embodiments of the present disclosure are used for manufacturing a display panel. The present disclosure can enhance accuracy of the recognized fingerprint information during an optical fingerprint recognition process.
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公开(公告)号：US10607524B2
公开(公告)日：2020-03-31
申请号：US15544782
申请日：2017-01-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanan Jia , Xue Dong , Jing Lv , Haisheng Wang , Chunwei Wu , Xiaoliang Ding , Pengpeng Wang , Yuzhen Guo , Wei Liu , Rui Xu , Lijun Zhao , Yanling Han , Changfeng Li , Yingming Liu
IPC: G09G3/20 , G06F3/01 , G09G3/3225 , H01L27/32 , G09G3/3208
Abstract: A display panel has a light exit side and includes an infrared light emitting unit for emitting infrared light towards the light exit side of the display panel; and at least three infrared light sensing units provided at different positions for detecting intensity of the infrared light emitted from the light exit side of the display panel and reflected by a human eye.
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