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公开(公告)号：US10997387B2
公开(公告)日：2021-05-04
申请号：US16089763
申请日：2018-02-24
发明人： Changfeng Li , Haisheng Wang , Yingming Liu , Xiaoliang Ding , Rui Xu , Pengpeng Wang , Wei Liu , Pinchao Gu , Yunke Qin , Yuzhen Guo , Pengcheng Lu
IPC分类号： G06K9/00
摘要： 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：US10885305B2
公开(公告)日：2021-01-05
申请号：US16301917
申请日：2018-04-16
发明人： Yingming Liu , Jing LV , Haisheng Wang , Chun Wei Wu , Xiaoliang Ding , Rui Xu , Lijun Zhao , Changfeng Li , Yanan Jia , Yuzhen Guo , Yunke Qin , Pinchao Gu
摘要： A fingerprint identification structure and a method for fabricating the same, and an electronic device are provided. The fingerprint identification structure includes: a substrate; a plurality of first touch control electrodes and a plurality of second touch control electrodes, which are provided on the substrate, in which the plurality of first touch control electrodes and the plurality of second touch control electrodes intersect with each other; and a plurality of photo-sensitive patterns, which are disposed at intersections of the plurality of first touch control electrodes and the plurality of second touch control electrodes, respectively, and are configured to separate the plurality of second touch control electrodes from the plurality of first touch control electrodes.
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公开(公告)号：US10884528B2
公开(公告)日：2021-01-05
申请号：US15776511
申请日：2017-10-26
发明人： Yingming Liu , Xue Dong , Jing Lv , Haisheng Wang , Chunwei Wu , Xiaoliang Ding , Rui Xu , Lijun Zhao , Changfeng Li , Yanan Jia , Yuzhen Guo , Yunke Qin , Pinchao Gu
摘要： A touch display substrate and a touch detection method thereof. The touch display substrate includes: a base substrate, and a photo-sensitive touch element and an Organic Light-Emitting Diode (“OLED”) device that are arranged on the base substrate sequentially. The photo-sensitive touch element includes a touch electrode layer, a photo-sensitive material layer, an insulating layer and an ITO layer that are arranged sequentially, wherein an orthographic projection of a touch sensing area of the touch electrode layer completely covers an orthographic projection of a pattern of the photo-sensitive material layer, and is within an orthographic projection of the ITO layer. The arrangement of the photo-sensitive touch element neither changes the sequence of manufacturing the layers of the display substrate, nor affects the illumination of the touch display substrate and is suitable for manufacturing a large-size touch screen.
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公开(公告)号：US20190236327A1
公开(公告)日：2019-08-01
申请号：US16316541
申请日：2018-03-09
发明人： Yanan Jia , Xue Dong , Haisheng Wang , Chunwei Wu , Yingming Liu , Changfeng Li , Rui Xu , Lijun Zhao , Yunke Qin , Pinchao Gu , Yuzhen Guo , Yanling Han
IPC分类号： G06K9/00 , H01L27/12 , G02F1/1333 , G02F1/1368
摘要： Disclosed are an optical fingerprint identification device and a display panel including the same. The optical fingerprint identification device includes a light emitting structure and a photosensitive sensor. The light emitting structure includes a transparent first electrode, an opaque second electrode, an electroluminescent layer between the first electrode and the second electrode, and a through hole penetrating the first electrode, the electroluminescent layer and the second electrode. The photosensitive sensor is disposed on a side of the second electrode facing away from the electroluminescent layer, and is configured to receive light rays transmitted through the through hole and acquire fingerprint information according to the received light rays.
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公开(公告)号：US20180300527A1
公开(公告)日：2018-10-18
申请号：US15963288
申请日：2018-04-26
发明人： Pengpeng Wang , Haisheng Wang , Xiaoliang Ding , Yingming Liu , Chihjen Cheng , Wei Liu , Xueyou Cao , Ping Zhang , Changfeng Li , Yunke Qin
IPC分类号： G06K9/00 , G06K9/20 , H01L27/146
CPC分类号： G06K9/0004 , G06F3/041 , G06K9/00087 , G06K9/209 , H01L27/14612
摘要： A fingerprint identification detection circuit, a touch screen and a display device is disclosed. The fingerprint identification detection circuit can include a photosensitive diode, a first switch transistor, a second switch transistor and a voltage follower transistor, wherein the first switch transistor can include a metal oxide transistor, and the second switch transistor and the voltage follower transistor both can include a low-temperature polycrystalline silicon transistor. There is little current leaking from the first switch transistor by using the metal oxide transistor as the first switch transistor. Even in the case of low light intensity, photocurrent can be detected, which may thereby improve the detection precision of the fingerprint identification detection circuit.
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公开(公告)号：US12036557B2
公开(公告)日：2024-07-16
申请号：US17272119
申请日：2020-05-11
发明人： Yingming Liu , Haisheng Wang , Xiaoliang Ding , Lei Wang , Pengpeng Wang , Yunke Qin , Changfeng Li
CPC分类号： B01L3/502792 , G01N21/47 , G01S15/04 , G01S15/06 , B01L2300/0645 , B01L2300/0861 , B01L2300/168 , B01L2400/0439
摘要： The present disclosure provides a microfluidic substrate, a microfluidic chip and a detection method. The microfluidic substrate according to the present disclosure includes a first substrate, and a plurality of droplet detecting elements on the first substrate and in an array. Each of the plurality of droplet detecting elements includes an ultrasonic conversion device and a voltage detecting element, the ultrasonic conversion device is configured to generate ultrasonic wave according to a first electric signal, receive a reflected ultrasonic wave, and convert the reflected ultrasonic wave into a second electric signal; and the voltage detecting element is configured to detect the second electric signal and determine whether a droplet exists at a position where the droplet detecting element is located based on the second electric signal.
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公开(公告)号：US20240185792A1
公开(公告)日：2024-06-06
申请号：US17795444
申请日：2021-09-29
发明人： Yue Tong , Yunke Qin , Lei Wang , Peng Jia , Xiaoquan Hai , Jiabin Wang , Fangyuan Zhao , Yangbing Li
IPC分类号： G09G3/3258 , G06V40/13 , H10K59/12 , H10K59/121 , H10K59/65
CPC分类号： G09G3/3258 , G06V40/1318 , H10K59/1201 , H10K59/1213 , H10K59/65 , G09G2300/0852 , G09G2330/021 , G09G2360/14
摘要： A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.
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公开(公告)号：US11769344B2
公开(公告)日：2023-09-26
申请号：US17804474
申请日：2022-05-27
发明人： Pinchao Gu , Haisheng Wang , Chunwei Wu , Yingming Liu , Rui Xu , Changfeng Li , Lijun Zhao , Yanan Jia , Yuzhen Guo , Yunke Qin
IPC分类号： G06V10/147 , H01L27/32 , G06V10/145 , G06V40/13 , H10K59/65 , G06V40/16
CPC分类号： G06V40/1318 , H10K59/65 , G06V40/16
摘要： A device for identifying a pattern over a first surface includes a photosensitive layer, and a light-guiding layer disposed between the photosensitive layer and the first surface. The photosensitive layer includes a plurality of photosensitive elements, each configured to convert incident light into an electrical signal. The light-guiding layer includes a plurality of light-guiding units, each positionally corresponding to one of the plurality of photosensitive elements. Each light-guiding unit include a plurality of light-transmitting portions, each configured to guide a light beam reflected from a feature of the pattern positionally corresponding thereto to transmit therethrough and reach one of the plurality of photosensitive elements corresponding to the each of the plurality of light-guiding units. The device can be used for identification of fingerprint, as well as other biometric or non-biometric features, and has a reduced thickness and an improved accuracy for pattern identification.
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公开(公告)号：US11482051B2
公开(公告)日：2022-10-25
申请号：US16343762
申请日：2018-09-03
发明人： Changfeng Li , Xue Dong , Haisheng Wang , Yingming Liu , Xiaoliang Ding , Rui Xu , Lei Wang , Yunke Qin
摘要： A display panel includes a substrate, an organic light-emitting layer disposed over the substrate and having at least one pixel, and at least one optical sensor disposed over the substrate distal from the organic light-emitting layer; wherein the at least one pixel is configured to display an image and as a light source for the at least one optical sensor to realize pattern identification.
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公开(公告)号：US20210365166A1
公开(公告)日：2021-11-25
申请号：US16333631
申请日：2018-07-04
发明人： Ping Zhang , Xue Dong , Jing Lv , Haisheng Wang , Xiaoliang Ding , Wei Liu , Xueyou Cao , Pengpeng Wang , Yanling Han , Chihjen Cheng , Pinchao Gu , Yunke Qin , Yuzhen Guo
摘要： The disclosure provides a substrate and a sensing method thereof, a touch panel and a display device. The substrate comprises at least two sensing layers, wherein any two of the at least two sensing layers are a first sensing layer and a second sensing layer, respectively; and, the first sensing layer comprises an array of first sensing units, and the second sensing layer comprises an array of second sensing units, any one of the first sensing units within a sensing region is overlapped with more than one of the second sensing units, and any one of the second sensing units within the sensing region is overlapped with more than one of the first sensing units.
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