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公开(公告)号：US11730039B2
公开(公告)日：2023-08-15
申请号：US16868161
申请日：2020-05-06
发明人： Yingming Liu , Xue Dong , Haisheng Wang , Chunwei Wu , Xiaoliang Ding , Rui Xu , Lijun Zhao , Changfeng Li , Yanan Jia , Yuzhen Guo , Yunke Qin , Pinchao Gu
CPC分类号： H10K59/40 , B32B37/06 , C23C14/34 , G06F3/0443 , B32B2457/208 , G06F3/0445 , G06F2203/04103 , G06F2203/04112 , Y10T29/49117
摘要： A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high PPI requirement. The fabrication method includes forming functional layers of an organic light-emitting diode (OLED) device on a base substrate sequentially to obtain an OLED substrate; and forming a linear touch electrode with a nano-scale line width on the OLED substrate by electronic sputtering and transferring.
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公开(公告)号：US11615641B2
公开(公告)日：2023-03-28
申请号：US17515256
申请日：2021-10-29
发明人： Mingdong Wang , Xuan Feng , Yunke Qin , Jiabin Wang , Yangbing Li , Ping Zhang , Lei Wang
IPC分类号： G06V40/13
摘要： A fingerprint identification module is provided. The fingerprint identification module includes: a base substrate, a first conductive layer, and a third conductive layer that are laminated sequentially. The first conductive layer includes a first signal line and a second signal line, wherein the first signal line extends along a first direction and is connected to a gate of a reset transistor in a pixel sensing circuit, and the second signal line extends along the first direction and is connected to a gate of a switch transistor in the pixel sensing circuit. The third conductive layer includes a first conductive portion configured to form a first electrode of a photodiode in the pixel sensing circuit, wherein an orthographic projection of the first conductive portion on the base substrate does not overlap with orthographic projections of the first signal line and the second signal line on the base substrate.
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公开(公告)号：US11361578B2
公开(公告)日：2022-06-14
申请号：US16495034
申请日：2019-03-04
发明人： Changfeng Li , Haisheng Wang , Xiaochuan Chen , Lei Wang , Yingming Liu , Xueyou Cao , Yunke Qin
IPC分类号： G06K9/00 , G06V40/13 , G06F3/044 , G06V10/141 , G06V10/145 , G06F3/041 , H01L27/32 , H01L51/52 , G06V40/12
摘要： A method for detecting a biometric information includes providing a biometric sensor including a base substrate, a light emitting layer and a touch detection layer on the base substrate, an encapsulating cover on a side of the light emitting layer away from the base substrate, and a photo-sensing layer between the light emitting layer and the base substrate; determining a touch position of a touch by a touch sensing circuit; determining a scanning region based on the touch position; controlling the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern, the scanning region encompassing the touch position; determining a light intensity distribution of a reflected light reflected by the surface of the biometric sensor in touch with the skin of the user based on signals from the plurality of photosensors; and determining the biometric information based on the light intensity distribution.
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公开(公告)号：US20210334492A1
公开(公告)日：2021-10-28
申请号：US16332221
申请日：2018-06-29
发明人： Yuzhen Guo , Haisheng Wang , Chunwei Wu , Yingming Liu , Lijun Zhao , Wei Liu , Changfeng Li , Rui Xu , Yanan Jia , Yunke Qin , Pinchao Gu , Xue Dong
摘要： The present disclosure is related to an ultrasonic fingerprint detection assembly. The ultrasonic fingerprint detection assembly may include an ultrasonic fingerprint detection circuit and a living body detection circuit. The living body detection circuit may be configured to carry out living body detection at a rest stage of the ultrasonic fingerprint detection circuit.
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公开(公告)号：US10714543B2
公开(公告)日：2020-07-14
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
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：US10656764B2
公开(公告)日：2020-05-19
申请号：US15959731
申请日：2018-04-23
发明人： Yanan Jia , Xue Dong , Haisheng Wang , Chun-Wei Wu , Yingming Liu , Rui Xu , Lijun Zhao , Changfeng Li , Yunke Qin , Yuzhen Guo , Pinchao Gu , Yanling Han
摘要： Disclosed are a touch device and a display device, where the touch device includes: an array substrate, a plurality of sensing elements arranged on the array substrate to recognize a fingerprint, and a plurality of filter structures arranged on a side of the plurality of sensing elements; the side is away from the array substrate: each of the plurality of filter structures comprises a plurality of filter layers arranged in a stack, each of the plurality of filter layers comprises light-transmitting areas and light-shielding areas on a periphery of the light-transmitting areas, orthographic projections of any two of the light-transmitting areas of the plurality of filter layers onto the array substrate have an overlapping area; the overlapping area is smaller than an area of an orthographic projection of any one of the light-transmitting areas of the plurality of filter layers onto the array substrate.
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公开(公告)号：US10509942B2
公开(公告)日：2019-12-17
申请号：US15756168
申请日：2017-09-05
发明人： Haisheng Wang , Lijun Zhao , Yingming Liu , Rui Xu , Changfeng Li , Yanan Jia , Yuzhen Guo , Pinchao Gu , Yunke Qin
IPC分类号： G06K9/00 , G02F1/1335 , G06F3/041
摘要： The present disclosure discloses a fingerprint identification device, a fingerprint identification method and a touch screen. The fingerprint identification device comprises: an optical sensor with a receiving surface configured to receive fingerprint reflected light; and a lens assembly configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor, wherein the lens assembly includes a liquid crystal lens configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor by rotating liquid crystal molecules at different angles upon energization.
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公开(公告)号：US11844262B2
公开(公告)日：2023-12-12
申请号：US17419568
申请日：2020-09-30
IPC分类号： G06V40/13 , H10K59/65 , H10K59/12 , H01L27/146
CPC分类号： H10K59/65 , G06V40/1318 , H10K59/12 , H01L27/14623 , H01L27/14678
摘要： The present disclosure provides an under-screen fingerprint recognition module, a display assembly and a display device. The under-screen fingerprint recognition module includes a base substrate and a plurality of fingerprint recognition units arranged on the base substrate. Each fingerprint recognition unit includes a photosensitive unit and an optical structure arranged on a photosensitive surface of the photosensitive unit. The optical structure includes a light-transmitting ring and a light-transmitting hole sequentially arranged in a direction away from the photosensitive unit. An orthogonal projection of the light-transmitting ring onto the photosensitive unit is completely located on the photosensitive surface of the photosensitive unit, and an orthogonal projection of the light-transmitting hole onto the light-transmitting ring is located within an opaque region surrounded by the light-transmitting ring.
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9.发明授权公开(公告)号：US11532287B2
公开(公告)日：2022-12-20
申请号：US16630854
申请日：2019-04-30
发明人： Ping Zhang , Haisheng Wang , Xiaoliang Ding , Yingming Liu , Xueyou Cao , Pengpeng Wang , Likai Deng , Pinchao Gu , Yunke Qin
摘要： Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.
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公开(公告)号：US11341883B2
公开(公告)日：2022-05-24
申请号：US16316188
申请日：2018-01-31
发明人： Yanan Jia , Xue Dong , Jing Lv , Haisheng Wang , Chun Wei Wu , Yingming Liu , Xueyou Cao , Rui Xu , Changfeng Li , Lijun Zhao , Yanling Han , Yuzhen Guo , Pinchao Gu , Yunke Qin
摘要： Disclosed are a display device and a method for adjusting its display brightness. The display device includes a display screen and an ambient light sensor in the display screen, wherein the ambient light sensor includes a photodeformable element, and the photodeformable element includes a photodeformable material layer; and the photodeformable element is configured to deform in response to a change in ambient light to obtain output of the ambient light sensor. The ambient light sensor has a simple structure and is easy to be made and to be combined with the display screen.
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