公开(公告)号：US11288477B2

公开(公告)日：2022-03-29

申请号：US17156695

申请日：2021-01-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yapeng Li ,  Haisheng Wang ,  Xiaoliang Ding ,  Xueyou Cao ,  Yangbing Li ,  Yuanyuan Ma ,  Wenjuan Wang ,  Jiabin Wang

IPC: G06K9/00 ,  G06F3/042

Abstract: A method for imaging a fingerprint under a screen, including: acquiring a finger pressing area formed by a finger pressing on the screen; determining a first light source and a second light source of the screen based on the finger pressing area, wherein arrangement directions of the first light source and the second light source are not perpendicular to a long axis of the finger pressing area; acquiring a first fingerprint image after the first light source is turned on, and a second fingerprint image after the second light source is turned on; and splicing the first fingerprint image and the second fingerprint image to acquire a target fingerprint image.

公开(公告)号：US11200397B2

公开(公告)日：2021-12-14

申请号：US16911382

申请日：2020-06-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Haisheng Wang ,  Yingming Liu ,  Lei Wang ,  Yapeng Li ,  Jiabin Wang

IPC: G06K9/00 ,  G06F1/16

Abstract: A fingerprint identification assembly is disclosed. The fingerprint identification assembly includes first point light sources for emitting first signal light; second point light sources for emitting second signal light after the first point light source emits the first signal light; light sensitive units configured to sequentially receive the first signal light and the second signal light reflected by a finger; and an optical filter layer provided on a light entry side of the light sensitive unit. The optical filter layer includes first filter units, the first filter unit corresponds to a non-imaging area that is formed on the light sensitive units after the first point light source is lit, for preventing the first signal light reflected by the finger from irradiating the non-imaging area of the light sensitive units, and allowing the second signal light reflected by the finger to irradiate the non-imaging area of the light sensitive units.

公开(公告)号：US12198633B2

公开(公告)日：2025-01-14

申请号：US17795444

申请日：2021-09-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yue Tong ,  Yunke Qin ,  Lei Wang ,  Peng Jia ,  Xiaoquan Hai ,  Jiabin Wang ,  Fangyuan Zhao ,  Yangbing Li

IPC: G06V40/13 ,  G09G3/3258 ,  H10K59/12 ,  H10K59/121 ,  H10K59/65

Abstract: 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.

公开(公告)号：US20240185792A1

公开(公告)日：2024-06-06

申请号：US17795444

申请日：2021-09-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yue Tong ,  Yunke Qin ,  Lei Wang ,  Peng Jia ,  Xiaoquan Hai ,  Jiabin Wang ,  Fangyuan Zhao ,  Yangbing Li

IPC: G09G3/3258 ,  G06V40/13 ,  H10K59/12 ,  H10K59/121 ,  H10K59/65

CPC classification number: G09G3/3258 ,  G06V40/1318 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/65 ,  G09G2300/0852 ,  G09G2330/021 ,  G09G2360/14

Abstract: 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.

公开(公告)号：US11790689B2

公开(公告)日：2023-10-17

申请号：US17611496

申请日：2021-02-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoliang Ding ,  Haisheng Wang ,  Yingming Liu ,  Yapeng Li ,  Jiabin Wang ,  Changfeng Li

IPC: G06K9/28 ,  G06V40/13 ,  G06V10/141 ,  H01L27/146 ,  H10K59/65

CPC classification number: G06V40/1318 ,  G06V10/141 ,  H01L27/14625 ,  H01L27/14678 ,  H10K59/65

Abstract: The present disclosure relates to the field of fingerprint identification technology, and provides a fingerprint identification substrate, a fingerprint identification method and a display device. The fingerprint identification substrate includes: a base substrate; at least one point light source arranged on the base substrate and configured to emit signal light; and at least one photosensitive unit arranged at a side of the base substrate away from the point light source, and configured to receive the signal light reflected by a finger and identify a fingerprint. Each photosensitive unit includes a first photosensitive sensor and a second photosensitive sensor independent of each other, a light filtration structure is arranged at a side of the second photosensitive sensor facing the point light source and configured to merely allow light in a first direction to pass therethrough, and the first direction is perpendicular to the base substrate.

公开(公告)号：US11648552B2

公开(公告)日：2023-05-16

申请号：US16291503

申请日：2019-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ping Zhang ,  Haisheng Wang ,  Xiaoliang Ding ,  Wei Liu ,  Xueyou Cao ,  Pengpeng Wang ,  Yanling Han ,  Jiabin Wang ,  Yangbing Li ,  ChihJen Cheng ,  Likai Deng

IPC: B01L3/00

CPC classification number: B01L3/50273 ,  B01L2300/0645 ,  B01L2300/0887 ,  B01L2300/165 ,  B01L2400/0439

Abstract: The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.

公开(公告)号：US11637149B2

公开(公告)日：2023-04-25

申请号：US16639282

申请日：2019-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Pengpeng Wang ,  Yangbing Li ,  Jiabin Wang ,  Ping Zhang ,  Likai Deng

IPC: G01C3/08 ,  H01L27/32 ,  H01L51/52 ,  G01S17/26

Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.

公开(公告)号：US11488411B2

公开(公告)日：2022-11-01

申请号：US16892233

申请日：2020-06-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuanyuan Ma ,  Yapeng Li ,  Xiaoliang Ding ,  Haisheng Wang ,  Jiabin Wang ,  Xueyou Cao ,  Pengpeng Wang ,  Wenjuan Wang

IPC: G06K9/20 ,  G06V40/13 ,  H01L25/16 ,  H01L25/18 ,  G06V40/12 ,  G02F1/157 ,  G02F1/1335 ,  G02F1/13357

Abstract: A panel for fingerprint identification and a control method thereof, and an apparatus for fingerprint identification. The panel for fingerprint identification includes: a display unit, a control unit, a unit for adjusting light transmittance and a unit for fingerprint identification which are disposed on a backlight side of the display unit, wherein an operating state of the panel for fingerprint identification includes: a display stage and a fingerprint identification stage. At the display stage, the display unit is configured to emit first light to display an image to be displayed, the unit for adjusting light transmittance is configured to transmit light transmitted through the display unit, and the control unit is connected with the unit for adjusting light transmittance and is configured to control the light transmittance of the unit for adjusting light transmittance.

公开(公告)号：US11333947B2

公开(公告)日：2022-05-17

申请号：US16475124

申请日：2018-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Xiaoliang Ding ,  Yangbing Li ,  Jiabin Wang ,  Ping Zhang ,  Likai Deng ,  Yanling Han

IPC: G02F1/137 ,  H04N5/225 ,  G02F1/1676 ,  G02F1/1343 ,  G02F1/155 ,  G02F1/167

Abstract: A display panel capable of capturing an image of an object over a light-entering surface thereof includes a displaying array, a light valve array, and an imaging array, which are sequentially below the light-entering surface. The light valve array includes a plurality of light valve portions and can form a plurality of first mask patterns, and at least two first mask patterns are configured to be different. The displaying array includes a plurality of displaying pixels and can form a second mask pattern. The imaging array includes a plurality of imaging pixels and can generate an intermediate image upon receiving lights from the object and transmitting through the second mask pattern in the displaying array and at least one of the plurality of first mask patterns in the light valve array. The image of the object can then be deduced from the intermediate image.

公开(公告)号：US11263995B2

公开(公告)日：2022-03-01

申请号：US16652797

申请日：2019-03-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yangbing Li ,  Pengpeng Wang ,  Xiaoliang Ding ,  Jiabin Wang ,  Yapeng Li ,  Likai Deng

IPC: G09G5/10 ,  G02F1/1333 ,  H01L27/32 ,  H04N5/33

Abstract: A display device, an electronic equipment, and a method for driving a display device are disclosed. The display device includes a first light source group, a second light source group, a first image sensor group, and a second image sensor group. The first light source group is configured to emit light of a first determined frequency to illuminate a first partial region of a detection object, the second light source group is configured to emit light of a second determined frequency to illuminate a second partial region of the detection object, the first image sensor group is configured to receive the light of the first determined frequency emitted by the first light source group and reflected by the detection object, and the second image sensor group is configured to receive the light of the second determined frequency emitted by the second light source group and reflected by the detection object.