公开(公告)号：US20210019016A1

公开(公告)日：2021-01-21

申请号：US16629003

申请日：2019-05-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Xueyou CAO ,  Wei LIU

IPC: G06F3/042 ,  G06F3/041 ,  G09G3/3266 ,  G06K9/00 ,  G09G3/3225

Abstract: The present disclosure provides a touch circuit, a touch device, and a touch method. The touch circuit includes: at least one photodetection circuit, and a first capacitor electrically connected to the at least one photodetection circuit. Each photodetection circuit is configured to detect modulated light reflected by a touch object, generate a modulation signal according to the modulated light, and output the modulation signal through the first capacitor.

公开(公告)号：US20200348818A1

公开(公告)日：2020-11-05

申请号：US16552193

申请日：2019-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoliang DING ,  Haisheng WANG ,  Yingming LIU ,  Xiaochuan CHEN ,  Bo CHEN ,  Feiteng LIU ,  Wenhui LI

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

Abstract: The present disclosure provides a sensor pixel, an ultrasonic sensor, an OLED display panel and an OLED display device, in which the sensor pixel includes a base substrate, a piezoelectric transducer and a sensor pixel circuit arranged on the base substrate; the energy sensor is connected to a first signal input terminal and the first node; the sensor pixel circuit includes a signal node control subcircuit for controlling the first node according to a signal of the reset signal terminal and a signal of the second signal input terminal, a drive subcircuit for providing a detection signal to the second node under the control of a signal of the first node, and a read subcircuit for providing a signal of the second node to the signal read line under the control of the read signal terminal.

公开(公告)号：US20200272228A1

公开(公告)日：2020-08-27

申请号：US15776960

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Pengpeng WANG ,  Chihjen CHENG ,  Yanling HAN ,  Xueyou CAO

IPC: G06F3/01 ,  G06F3/0481 ,  G06F3/0484 ,  G06T15/20 ,  G06T7/70

Abstract: The present disclosure provides an interaction system of three-dimensional space and a method for operating the same, comprising: determining visual field space according to an eye position of an operator and an angle at which the eye is watching, and determining absolute interaction space and relative interaction space according to respective joint positions of the operator and the visual field space, thereby achieving dividing of areas of the space; determining an operation that matches a current action and needs to be performed by the operator on a selected virtual object according to a relationship among the current action of the operator, the virtual object viewed by the operator and the absolute interaction space, such that when the operator makes the corresponding action, the operation matching the action of the operator is performed on the virtual object; outputting the generated corresponding three-dimensional image display signal to a three-dimensional image display device to complete somatosensory interaction of the three-dimensional space.

公开(公告)号：US20190220645A1

公开(公告)日：2019-07-18

申请号：US16307912

申请日：2018-02-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  G09G3/3225

Abstract: A fingerprint recognition apparatus is provided. The fingerprint recognition apparatus includes m driving signal lines, n reading signal lines, and m*n photosensitive devices. Each of a plurality of electrode signal controllers is connected to at least two of the m driving signal lines, the plurality of electrode signal controllers are configured to simultaneously input driving signals of different frequencies to each of the m driving signal lines connected to the plurality of electrode signal controllers, and a demodulator is connected to the n reading signal lines, and is configured to demodulate electrical signals of different frequencies transmitted on each of the n reading signal lines.

公开(公告)号：US20190198543A1

公开(公告)日：2019-06-27

申请号：US16327892

申请日：2018-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen GUO ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Rui XU

IPC: H01L27/146

CPC classification number: H01L27/14612 ,  H01L27/14621 ,  H01L27/14636 ,  H01L27/14647 ,  H01L27/14683

Abstract: The application discloses a photoelectric sensor, a fabricating method thereof, and a display device. The method for fabricating the photoelectric sensor, includes: fabricating a thin film transistor (TFT) array and a photodiode array on a silicon substrate; transferring the TFT array onto a base substrate by a micro transfer process; and placing the photodiode array on the base substrate formed with the TFT array, in a manner that an orthographic projection of the photodiode array on the base substrate overlaps with an orthographic projection of the TFT array on the base substrate.

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.