公开(公告)号：US20190180074A1

公开(公告)日：2019-06-13

申请号：US16323972

申请日：2018-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Haisheng WANG ,  Yingming LIU ,  Pengpeng WANG ,  Wei LIU

IPC: G06K9/00 ,  G06F3/041 ,  G01L1/18 ,  H01L27/32

Abstract: A fingerprint recognizer, fingerprint recognition method, a light emitter device, an optical sensor and a display device are provided. The fingerprint recognizer includes a pressure detector unit, a light emitter unit, a light sensor unit, and a fingerprint analyzer unit. The pressure detector unit is configured to detect the strength at which a finger presses a display screen, and send a signal to the light emitter unit according to the strength. The light emitter unit is configured to emit a light signal under the control of the signal of the pressure detector unit. The light sensor unit is configured to receive a light-reflection signal formed by the light signal reflected by the finger, convert the light-reflection signal into an electrical signal and output the electrical signal to the fingerprint analyzer unit. The fingerprint analyzer unit is configured to determine fingerprint information according to the received electrical signal.

公开(公告)号：US20190114457A1

公开(公告)日：2019-04-18

申请号：US15742102

申请日：2017-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Changfeng LI ,  Haisheng WANG ,  Yingming LIU ,  Rui XU ,  Pengpeng WANG ,  Pengcheng LU

IPC: G06K9/00 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G06K9/0004 ,  G02F1/13318 ,  G02F1/13338 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/1343 ,  G02F2001/133388

Abstract: A fingerprint identification display panel and a display device are disclosed. For the liquid crystal layer at the position corresponding to the first opening area corresponding to the photosensitive sensing unit in the light shielding layer, the initial direction of the long axis of the liquid crystal molecules is set to form an angle of 45 degrees with the transmission axis direction of the upper polarizer, and the liquid crystal layer at the position corresponding to the first opening area is controlled to form an equivalent quarter-wave plate.

公开(公告)号：US20190114020A1

公开(公告)日：2019-04-18

申请号：US15988633

申请日：2018-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Pengpeng WANG ,  Yanling HAN

IPC: G06F3/041 ,  G09G3/3225 ,  G06F3/042 ,  H01L27/32

Abstract: A pixel circuit, an array substrate, a display panel, a display device, and a display driving method are provided. The pixel circuit includes a light emitting element, a pixel driving circuit, and an optical modulation circuit; in a touch stage, turning off the pixel driving circuit, driving the light emitting element to emit a modulated light of a first gray scale by the optical modulation circuit; and in a display stage, turning off the optical modulation circuit, and driving the light emitting element to emit light for display by the pixel driving circuit.

公开(公告)号：US20190102018A1

公开(公告)日：2019-04-04

申请号：US16132759

申请日：2018-09-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yunke QIN ,  Xue DONG ,  Zhifu LI ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Wei LIU ,  Yuzhen GUO ,  Changfeng LI ,  Lin ZHOU

IPC: G06F3/041 ,  H01L27/32

CPC classification number: G06F3/0412 ,  G06F3/0414 ,  G06F3/04144 ,  G06F3/0416 ,  G06F3/042 ,  G06F3/0443 ,  G06F2203/04103 ,  G06F2203/04105 ,  H01L27/323

Abstract: The disclosure discloses a touch display panel, a method for fabricating the same, and a touch display device. The touch display panel includes a base substrate, and light emitting elements arranged in an array above the base substrate, and the touch display panel further includes: sensing components arranged above the base substrate including the light emitting elements, where the sensing components include a pressure detection component and a touch detection component; and orthographic projections of at least a part of elements in the pressure detection component onto the base substrate have a non-overlapping area with orthographic projections of the light emitting elements onto the base substrate.

公开(公告)号：US20190095046A1

公开(公告)日：2019-03-28

申请号：US16200711

申请日：2018-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen GUO ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Changfeng LI ,  Yanan JIA ,  Lijun ZHAO ,  Yunke QIN ,  Pinchao GU ,  Rui XU

IPC: G06F3/043 ,  B06B1/06 ,  H01L41/113 ,  H01L41/047 ,  G06F3/041

Abstract: The disclosure provides a touch display substrate and a touch display device. The touch display substrate includes: a substrate; a plurality of ultrasonic sensors disposed on the substrate; and one ultrasonic generator disposed on the substrate. The ultrasonic generator has a plurality of openings, and at least one of the plurality of ultrasonic sensors is disposed in at least one of the openings.

公开(公告)号：US20190080138A1

公开(公告)日：2019-03-14

申请号：US16124908

申请日：2018-09-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian GAO ,  Xiaochuan CHEN ,  Wei WANG ,  Wenqing ZHAO ,  Haisheng WANG ,  Yingming LIU ,  Rui XU ,  Xiandong MENG ,  Jifeng TAN ,  Pengxia LIANG

IPC: G06K9/00 ,  G02B3/00

Abstract: A display panel and a display device are disclosed. The display panel includes a display-side substrate, and a display array layer, a lens layer and an image array layer, which are sequentially provided at a side of the display-side substrate. The display array layer includes a plurality of display pixels arranged in an array; and the image array layer includes a plurality of image pixels arranged in an array, and is configured to form an image with light being reflected from a display side and passing through the lens layer.

公开(公告)号：US20190065810A1

公开(公告)日：2019-02-28

申请号：US15765341

申请日：2017-09-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rui XU ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Pinchao GU ,  Lijun ZHAO ,  Changfeng LI ,  Yanan JIA ,  Xue DONG

IPC: G06K9/00 ,  G02F1/1335 ,  G02F1/1343

Abstract: The present disclosure provides an optical fingerprint identification assembly, a display panel and a display apparatus. The optical fingerprint identification assembly comprises: a light source component configured to provide a light source to illuminate a fingerprint to be identified; a light screening component disposed at a downstream of the light source component in a light path and configured to collimate light emitted from the light source component, reflected by the fingerprint to be identified and entering the light screening component; and a fingerprint identification component disposed at a downstream of the light screening component and configured to receive the light collimated by the light screening component, so as to carry out fingerprint identification. The optical fingerprint identification assembly has the advantages of low cost, compact structure and good identification effect.

公开(公告)号：US20190019850A1

公开(公告)日：2019-01-17

申请号：US15754248

申请日：2017-09-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rui XU ,  Haisheng WANG ,  Yingming LIU ,  Pengpeng WANG ,  Chih-Jen CHENG ,  Yunke QIN ,  Yuzhen GUO ,  Wei LIU

IPC: H01L27/32 ,  G02B27/30 ,  G06K9/00

Abstract: A fingerprint recognition device and an OLED display device, which relate to the technical field of display and can solve the problems of a low recognition accuracy due to a large distance from a finger to a fingerprint recognition device. The fingerprint recognition device comprises recognition units alternately defined by a plurality of scanning lines and signal reading lines which are crisscrossed with each other. Each recognition unit is provided with a switching transistor and a photosensitive element. The photosensitive element comprises a photoelectric conversion layer and a collimator filter layer which are stacked successively. The collimator filter layer is used for irradiating incident light onto the photoelectric conversion layer in parallel, and the photoelectric conversion layer is used for performing photoelectric conversion on the incident light.

公开(公告)号：US20180348924A1

公开(公告)日：2018-12-06

申请号：US15563586

申请日：2017-05-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Changfeng LI ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Rui XU ,  Pengpeng WANG ,  Wei LIU ,  Lijun ZHAO ,  Yanan JIA ,  Yanling HAN ,  Yuzhen GUO

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: An in cell touch panel, a driving method thereof and a display device are disclosed. The in cell touch panel: includes a substrate, an organic light emitting structure on the substrate, and a package protection layer coating said organic light emitting structure. The in cell touch panel further includes a touch electrode structure disposed between the substrate and the package protection layer and coated by the package protection layer; and a connecting terminal disposed on the substrate and coated by the package protection layer. The connecting terminal is electrically connected to a touch electrode in the touch electrode structure.

公开(公告)号：US20180335866A1

公开(公告)日：2018-11-22

申请号：US15746292

申请日：2017-08-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling HAN ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  CHUN-WEI WU ,  Xiaoliang DING ,  Pengpeng WANG ,  Xueyou CAO ,  Wei LIU ,  Ping ZHANG

IPC: G06F3/044 ,  G06F3/041

Abstract: The present disclosure provides a display apparatus and a method for implementing a touch feedback. The display apparatus comprises: a display unit configured to display an image; a control unit configured to determine a touched object in the image according to a touch position of a user, and provide voltage signals based on attribute information of the touched object; and a touch unit configured to generate an induced capacitance and an electrostatic force at the touch position based on the voltage signals from the control unit. The display apparatus according to the present disclosure can improve the user experiences in using a terminal device comprising the display apparatus.