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公开(公告)号：US11901486B2
公开(公告)日：2024-02-13
申请号：US17256185
申请日：2020-04-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Chen , Lei Wang , Minghua Xuan , Dongni Liu , Li Xiao , Detao Zhao , Hao Chen
CPC classification number: H01L33/20 , H01L24/81 , H01L33/005 , H01L24/14 , H01L2933/0066
Abstract: Provided is a method for transferring a chip, including: disposing a target substrate in a sealed chamber; applying charges of different polarities to a first alignment bonding structure of the target substrate and a first chip bonding structure of the chip, and injecting an insulation fluid flowing in a first direction into the sealed chamber, so that the first chip bonding structure is aligned with the first alignment bonding structure; applying charges of different polarities to a second alignment bonding structure of the target substrate and a second chip bonding structure of the chip, and changing the flowing direction of the insulation fluid to a second direction, so that the second chip bonding structure is aligned with the second alignment bonding structure; and applying a bonding force to the chip, so that the chip bonding structures is bonded to the alignment bonding structures.
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公开(公告)号：US11864433B2
公开(公告)日：2024-01-02
申请号：US17621758
申请日：2020-12-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoquan Hai , Xue Dong , Lei Wang , Xiaochuan Chen , Yingzi Wang
IPC: G06V40/13 , H10K59/126 , G06V10/145 , H10K59/65 , G06F3/041
CPC classification number: H10K59/126 , G06V10/145 , G06V40/1318 , H10K59/65 , G06F3/0412
Abstract: A display panel is provided to include a substrate; a photoelectric sensing structure on a side of the substrate; a light emitting structure on a side of the photoelectric sensing structure distal to the substrate, and light emitting elements, each of which includes: a first electrode, a light emitting layer, and a second electrode which are successively in a direction distal to the substrate; and a light path structure between the photoelectric sensing structure and the second electrode, and configured to collimate light on a side of the photoelectric sensing structure distal to the substrate and having a propagation direction towards the photoelectric sensing structure; the photoelectric sensing structure and the light emitting structure do not overlap or partially overlap in a direction perpendicular to the substrate; and the light path structure at least partially overlaps the photoelectric sensing structure in the direction. The embodiment also provides a display device.
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公开(公告)号：US11861931B2
公开(公告)日：2024-01-02
申请号：US17414372
申请日：2020-06-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming Liu , Haisheng Wang , Xiaoliang Ding , Lei Wang , Changfeng Li
IPC: G06K9/00 , G06V40/13 , B06B1/06 , H10K59/65 , H10N30/045 , H10N30/077 , H10N30/857
CPC classification number: G06V40/1318 , B06B1/0692 , H10K59/65 , H10N30/045 , H10N30/077 , H10N30/857 , B06B2201/70
Abstract: A piezoelectric sensor, a manufacturing method thereof and an electronic device are provided. The piezoelectric sensor includes a substrate, an active layer, the active layer being disposed at a side of the substrate: a first electrode, the first electrode being disposed at a side of the active laver a wav from the substrate, and the first electrode including a plurality of sub-electrodes disposed at intervals: a piezoelectric layer, the piezoelectric layer being disposed at a side of the first electrode away from the active layer; and a second electrode, the second electrode being disposed at a side of the piezoelectric layer away from the first electrode. The active layer is configured to be capable of switching between an insulating state and a conducting state, and in the conducting state the active layer is capable of conducting the plurality of sub-electrodes.
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公开(公告)号：US11843151B2
公开(公告)日：2023-12-12
申请号：US17512879
申请日：2021-10-28
Inventor： Xiangzhong Kong , Tienlun Ting , Lei Wang , Ken Wen
Abstract: A phase shifter and a method for operating the same, an antenna and a communication device are provided. The phase shifter includes: a first substrate and a second substrate opposite to each other; a dielectric layer between the first substrate and the second substrate; a first electrode on a side of the first substrate proximal to the second substrate; a second electrode on a side of the second substrate proximal to the first substrate; and a ground electrode on a side of the second substrate distal to the first substrate. The dielectric layer includes liquid crystal molecules, and the first electrode and the second electrode are configured to control rotation of the liquid crystal molecules according to different voltages respectively received by the first electrode and the second electrode. The second electrode has a one-piece structure.
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公开(公告)号：US11839118B2
公开(公告)日：2023-12-05
申请号：US17419889
申请日：2020-09-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaoquan Hai , Lei Wang , Xuan Liang
IPC: G06V40/13 , H10K59/126 , H10K50/86 , H10K59/65 , H10K59/35 , H10K59/122
CPC classification number: H10K59/126 , G06V40/1318 , H10K50/865 , H10K59/65 , H10K59/122 , H10K59/35
Abstract: The organic light-emitting display panel includes: a base substrate having sub-pixel regions and non-sub-pixel regions; fingerprint identification devices in the non-sub-pixel regions; anodes in the sub-pixel regions and on sides, facing away from the base substrate, of the fingerprint identification devices; and a collimation structure in the non-sub-pixel regions. The collimation structure includes at least two laminated light-shielding layers on the sides, facing away from the base substrate, of the fingerprint identification devices, and an orthographic projection of each light-shielding layer on the base substrate at least covers orthographic projections of the fingerprint identification devices on the base substrate; at least one through hole is in a position, corresponding to each fingerprint identification device, of each light-shielding layer, and through holes of the light-shielding layers are in one-to-one correspondence; and the light-shielding layer closest to the base substrate is disposed in the same layer as and insulated from the anodes.
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Patent Agency Ranking
公开(公告)号：US11756330B2
公开(公告)日：2023-09-12
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: G06K9/00 , G06V40/13 , G06V10/145 , G06F3/044 , G06F3/041 , G06V10/141 , H10K59/131
CPC classification number: G06V40/1318 , G06F3/0412 , G06F3/0446 , G06V10/141 , G06V10/145 , H10K59/131
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：US11668862B2
公开(公告)日：2023-06-06
申请号：US16767254
申请日：2019-08-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoquan Hai , Xue Dong , Haisheng Wang , Lei Wang , Yingzi Wang , Xiandong Meng
IPC: G02B5/00 , G02B27/09 , G02B27/30 , G02F1/1333 , G02F1/1335 , H01L27/32 , H04N23/55 , G06V40/13
CPC classification number: G02B5/005 , G02B27/0961 , G02B27/0988 , G02B27/30 , G02F1/13338 , G02F1/133526 , G06V40/1318 , H01L27/3234 , H04N23/55
Abstract: A texture image acquiring device, a display device and a collimator are disclosed. The texture image acquiring device includes a collimator and an image sensor. The collimator includes a lens array, a first diaphragm layer, and a second diaphragm layer. The lens array allows light rays to be converged and incident on the first diaphragm layer. The first diaphragm layer allows light rays incident on the first diaphragm layer to pass through and be incident on the second diaphragm layer, and restricts an angle of light rays capable of passing through the first diaphragm layer. The second diaphragm layer allows light rays incident on the second diaphragm layer to pass through, and restricts an angle of light rays capable of passing through the second diaphragm layer. The image sensor senses light rays incident on the image sensor for acquiring a texture image.
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公开(公告)号：US11527095B2
公开(公告)日：2022-12-13
申请号：US17489605
申请日：2021-09-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liang Cui , Lei Wang , Yangbing Li , Yubo Wang , Xiufeng Li , Yuanyuan Ma
Abstract: The present disclosure provides a fingerprint sensing sub-circuit, a fingerprint sensing circuit, a fingerprint recognition method, a sensor, a touch display panel and a display device. The fingerprint sensing sub-circuit includes an acoustic wave generation circuit and an acoustic wave reception circuit. The acoustic wave generation circuit is configured to generate an ultrasonic wave. The acoustic wave reception circuit is configured to collect a voltage signal, convert the voltage signal into a current signal, and output the current signal to a signal output end. The acoustic wave generation circuit and the acoustic wave reception circuit are separated from each other, so that the fingerprint sensing sub-circuit operates in a mode where a transmitting operation and a receiving operation are separated from each other.
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19.发明授权公开(公告)号：US11502412B2
公开(公告)日：2022-11-15
申请号：US16756113
申请日：2019-06-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuan Yao , Lei Wang , Tienlun Ting
Abstract: An antenna configured to transmit or receive a signal is provided. The antenna includes a substantially transparent base substrate and an antenna electrode on the substantially transparent base substrate. The antenna electrode includes a substantially transparent conductive layer, and a first conductive line abutting an edge portion of the substantially transparent conductive layer and electrically connected to the edge portion of the substantially transparent conductive layer. An electrical conductivity of the first conductive line is greater than an electrical conductivity of the substantially transparent conductive layer.
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公开(公告)号：US11501559B2
公开(公告)日：2022-11-15
申请号：US17218256
申请日：2021-03-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lei Wang , Xiaoliang Ding , Yingzi Wang
IPC: G06F1/16 , G06V40/13 , G06V10/145 , H01L27/146 , H01L27/32
Abstract: The present disclosure provides a fingerprint identification substrate and a display device. The fingerprint identification substrate includes a base substrate, a plurality of photosensitive modules on the base substrate, a collimating optical structure located on light entering sides of the photosensitive modules, a plurality of function layers and an insulation layer between every two adjacent function layers; where the photosensitive modules are configured to collect light rays reflected by a fingerprint; and the collimating optical structure includes light shading layers and light transmitting layers arranged alternately; where each of the light shading layers has a plurality of light transmitting holes; orthographic projections of the light transmitting holes on the base substrate are in orthographic projections of the photosensitive modules on the base substrate.
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