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公开(公告)号：US11501557B2
公开(公告)日：2022-11-15
申请号：US17205050
申请日：2021-03-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lei Wang , Xiaoliang Ding , Yunke Qin , Lei Zhang , Xiaoquan Hai , Mingdong Wang
IPC: G02F1/1362 , G06V40/13 , H01L27/146 , H01L27/32
Abstract: The present disclosure provides a display apparatus and a method for manufacturing the same. The display apparatus includes: a self-luminous display module, a fingerprint identification module below the self-luminous display module, at least two light shield layers between the self-luminous display module and the fingerprint identification module, and a planarization layer correspondingly arranged on one side, facing the self-luminous display module, of each light shield layer. Each light shield layer includes a plurality of mutually-independent openings; openings of one of the at least two light shield layers and openings of another of the at least two light shield layers overlap in a direction perpendicular to the fingerprint identification module; the planarization layer between two adjacent light shield layers includes a groove; and the groove and the openings do not overlap in the direction perpendicular to the fingerprint identification module, and a light blocking part is arranged in the groove.
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公开(公告)号：US20220358782A1
公开(公告)日：2022-11-10
申请号：US17425898
申请日：2020-04-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lei Wang , Xiaoliang Ding , Yingming Liu , Lei Zhang , Peng Jia , Shi Shu , Yunke Qin , Lin Zhang
Abstract: A texture recognition apparatus and an opposite substrate are provided. The texture recognition apparatus includes a light source array, an image sensor array and a light shielding layer. The light source array includes a plurality of light sources; the image sensor array includes a plurality of image sensors, an orthographic projection of the light shielding layer on a plane where the light source array is located is between two adjacent light sources, an orthographic projection of the light shielding layer on a plane where the image sensor array is located at least partially overlaps with the plurality of image sensors; the light shielding layer has at least one opening, and at least a part of an orthographic projection of the first opening on the plane where the image sensor array is located is at least on one side of the first image sensor or overlaps with the first image sensor.
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23.发明申请公开(公告)号：US20220343669A1
公开(公告)日：2022-10-27
申请号：US17422242
申请日：2020-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Cui , Lei Wang , Yangbing Li , Yubo Wang , Xiufeng Li , Yuanyuan Ma
Abstract: A method for identifying a fingerprint, includes: performing a plurality of signal load operations on a plurality of transmit electrodes; in response to performing the signal load operations on the transmit electrodes, acquiring a fingerprint signal by a target electrode of the receive electrodes; and identifying a fingerprint based on acquired fingerprint signals.
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公开(公告)号：US11450270B2
公开(公告)日：2022-09-20
申请号：US16484621
申请日：2019-01-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Chen , Lei Wang , Dongni Liu , Li Xiao , Minghua Xuan , Xiaochuan Chen , Shengji Yang , Pengcheng Lu , Detao Zhao , Ning Cong
IPC: G09G3/3233 , G09G3/3275
Abstract: A pixel circuit and a method of driving the same, and a display device. The pixel circuit includes a plurality of pixel compensation circuits, and each pixel compensation circuit can be connected to M light-emitting units located in the same column. Each light-emitting control signal terminal of the M light-emitting control signal terminals included in each light-emitting control signal terminal group may be connected to a pixel compensation circuit group (i.e., K rows of pixels compensation circuits).
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公开(公告)号：US11430372B2
公开(公告)日：2022-08-30
申请号：US16467135
申请日：2018-12-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Minghua Xuan , Han Yue , Ning Cong , Xiaochuan Chen , Lei Wang
Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include at least one light emitting circuit. One of the at least one light emitting circuit may include an input sub-circuit, a latch sub-circuit, and an output sub-circuit. The input sub-circuit may be configured to transmit a signal at a data voltage terminal to the latch sub-circuit. The latch sub-circuit may be configured to generate a control signal in accordance with the signal at the data voltage terminal and store the control signal. The output sub-circuit may be configured to transmit one of a signal at a first voltage terminal and a signal at a second voltage terminal to a light emitting unit under control of the control signal.
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Patent Agency Ranking
公开(公告)号：US20220270393A1
公开(公告)日：2022-08-25
申请号：US17745101
申请日：2022-05-16
Applicant: BOE Technology Group Co., Ltd.
Inventor： Changfeng Li , Haisheng Wang , Xiaochuan Chen , Lei Wang , Yingming Liu , Xueyou Cao , Yunke Qin
IPC: G06V40/13 , H01L27/32 , G06V10/141 , G06F3/044 , G06F3/041 , G06V10/145
Abstract: A biometric sensor configured to detect a biometric information is provided. The biometric sensor includes a light emitting layer and a touch detection layer; an encapsulating cover on the light emitting layer; a photo-sensing layer configured to detect at least a portion of a light totally reflected by a surface of the biometric sensor in touch with a skin of a user; a touch sensing circuit configured to determine a touch position of a touch; a processor configured to determine a scanning region based on the touch position, and configured to control the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern; and a biometric information analysis circuit configured to determine a light intensity distribution of a reflected light reflected by the surface of the biometric sensor, and configured to determine the biometric information based on the light intensity distribution.
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公开(公告)号：US11410452B2
公开(公告)日：2022-08-09
申请号：US16766826
申请日：2019-05-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoquan Hai , Haisheng Wang , Lei Wang , Xue Dong
Abstract: A texture recognition device and a manufacturing method of the texture recognition device, a color filter substrate and a manufacturing method of the color filter substrate are provided. The texture recognition device has a touch side, and includes: a light source array, a light valve structure and an image sensor array. The light valve structure includes a first substrate, a second substrate, and a light adjustment layer, and is configured to control a first region to be in a light transmission state in response to a control signal, so as to allow light emitted from the light source array to pass through the first region in the light transmission state to form a first photosensitive light source. The second substrate of the light valve structure is closer to the touch side than the first substrate, and the image sensor array is on the second substrate.
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公开(公告)号：US11335113B2
公开(公告)日：2022-05-17
申请号：US16767867
申请日：2019-06-14
Inventor： Jiabin Wang , Xiaoliang Ding , Xueyou Cao , Wenjuan Wang , Jing Liu , Yichi Zhang , Haisheng Wang , Lei Wang , Yingming Liu , Yingzi Wang
Abstract: A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.
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公开(公告)号：US11331666B2
公开(公告)日：2022-05-17
申请号：US16633016
申请日：2019-07-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming Liu , Xue Dong , Haisheng Wang , Xiaochuan Chen , Xiaoliang Ding , Lei Wang , Changfeng Li , Pinchao Gu
IPC: B01L3/00
Abstract: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.
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公开(公告)号：US11314961B2
公开(公告)日：2022-04-26
申请号：US16767932
申请日：2019-06-12
Inventor： Jiabin Wang , Xiaoliang Ding , Xueyou Cao , Wenjuan Wang , Jing Liu , Yichi Zhang , Haisheng Wang , Lei Wang , Yingming Liu , Yingzi Wang
Abstract: A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture; based on the first curve and the first acquisition value.
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