公开(公告)号：US20210217810A1

公开(公告)日：2021-07-15

申请号：US16093355

申请日：2018-01-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Yuzhen GUO ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Xiaoliang DING ,  Xueyou CAO ,  Chihjen CHENG

IPC: H01L27/20 ,  H01L25/18 ,  H01L25/00

Abstract: The present application provides an array substrate and a method of fabricating the same, a display panel and a display device. The array substrate is divided into a plurality of pixel regions, and each of the pixel regions is provided with a pixel thin film transistor (TFT). At least one of the pixel regions is provided with a pressure component and a force TFT, the force TFT includes a first electrode, a second electrode and a control electrode, and the pressure component is connected to one of the first electrode and the control electrode of the force TFT. At least one of layer structures of the pixel TFT is disposed in the same layer as a corresponding layer structure of the force TFT.

公开(公告)号：US20190097076A1

公开(公告)日：2019-03-28

申请号：US15971543

申请日：2018-05-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou CAO ,  Xue DONG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Yanling HAN ,  Yuzhen GUO ,  Pengpeng WANG ,  Chihjen CHENG ,  Ping ZHANG ,  Wei LIU ,  Likai DENG ,  Yangbing LI

IPC: H01L31/112 ,  B81B1/00 ,  B01L3/00

CPC classification number: H01L31/1126 ,  B01L3/5027 ,  B01L3/502715 ,  B01L3/502792 ,  B01L2200/02 ,  B01L2200/0673 ,  B01L2300/0645 ,  B01L2300/0654 ,  B01L2300/0887 ,  B01L2300/165 ,  B01L2400/0427 ,  B81B1/00 ,  B81B2201/058 ,  G01N27/44721 ,  G09G3/344 ,  H01L27/3227 ,  H01L31/112

Abstract: A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode.

公开(公告)号：US20190095015A1

公开(公告)日：2019-03-28

申请号：US15770644

申请日：2017-10-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling HAN ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Xiaoliang DING ,  Yingming LIU ,  Yuzhen GUO ,  Chihjen CHENG ,  Changfeng LI

IPC: G06F3/041 ,  H01L27/12 ,  G06F3/0488 ,  G06K9/00 ,  G06F3/043 ,  H01L41/047

Abstract: The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a thin film transistor (TFT) pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the TFT pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.

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：US20190310296A1

公开(公告)日：2019-10-10

申请号：US16206144

申请日：2018-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chihjen CHENG ,  Xiaoliang DING ,  Pengpeng WANG ,  Xueyou CAO ,  Yuzhen GUO

IPC: G01R27/26 ,  H03K17/96

Abstract: A sense circuit for a piezoresistive sensor is provided that comprises: an energy storage circuit coupled to the piezoresistive sensor via a first node; a charge control circuit coupled to the first node and configured to charge the energy storage circuit to a predetermined potential; a discharge control circuit configured to allow the energy storage circuit to discharge through the piezoresistive sensor; and a readout circuit coupled to the first node and configured to output a sensed voltage based on a level of charges stored by the energy storage circuit

公开(公告)号：US20190204978A1

公开(公告)日：2019-07-04

申请号：US16184259

申请日：2018-11-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chihjen CHENG ,  Xueyou CAO ,  Pengpeng WANG ,  Xiaoliang DING ,  Yuzhen GUO

IPC: G06F3/041 ,  H01L41/04 ,  H01L41/047

CPC classification number: G06F3/0414 ,  G06F3/0412 ,  G06F2203/04105 ,  H01L41/042 ,  H01L41/047 ,  H01L41/1132

Abstract: The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.

公开(公告)号：US20210223928A1

公开(公告)日：2021-07-22

申请号：US16303961

申请日：2018-04-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou CAO ,  Haisheng WANG ,  Xiaoliang DING ,  Chihjen CHENG ,  Yuzhen GUO ,  Yanling HAN ,  Wei LIU ,  Pengpeng WANG ,  Ping ZHANG

IPC: G06F3/041

Abstract: Provided is a touch circuit including first and second voltage input terminals, a pressure sensing circuit and an output circuit, the first voltage input terminal is configured to input a first voltage signal, the second voltage input terminal is configured to input a second voltage signal, the first voltage signal is different from the second voltage signal, an input terminal of the pressure sensing circuit is coupled to the first voltage input terminal, an output terminal of the pressure sensing circuit is coupled to an input terminal of the output circuit, a control terminal of the output circuit is configured to receive a control signal, and the output circuit is configured to control on/off state between the input terminal of the output circuit and the output terminal of the output circuit according to the control signal. A touch panel, a display panel and a display device are also provided.

公开(公告)号：US20200171540A1

公开(公告)日：2020-06-04

申请号：US16640148

申请日：2019-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling HAN ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Pengpeng WANG ,  Chihjen CHENG ,  Ping ZHANG ,  Xueyou CAO

IPC: B06B1/06 ,  H01L27/32 ,  H01L51/50 ,  H04R9/06 ,  H01L51/52

Abstract: An ultrasonic generator includes a substrate, a lower electrode on the substrate, an upper electrode on the lower electrode, and an ultrasonic generation unit between the lower electrode and the upper electrode. The ultrasonic generation unit includes a vibration chamber and an ultrasonic generation layer on the vibration chamber. The ultrasonic generation layer is configured to propel a surrounding medium to vibrate to generate ultrasonic waves in response to a voltage difference between the upper electrode and the lower electrode.

公开(公告)号：US20190064976A1

公开(公告)日：2019-02-28

申请号：US15957294

申请日：2018-04-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chihjen CHENG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Yuzhen GUO ,  Pengpeng WANG ,  Xueyou CAO

IPC: G06F3/041 ,  G06F3/045 ,  G01L9/00

Abstract: A pressure-sensing circuit, a method for driving the pressure-sensing circuit and a display device are provided. The pressure-sensing circuit includes pressure-sensing gating lines arranged in rows, pressure-sensing reading lines arranged in columns, piezoresistance sensing circuits arranged in N rows and M columns, a pressure-sensing sub-circuit, a current input control circuit, and a current supply circuit for supplying a pressure-sensing current, where each of N and M is an integer greater than 1. The current input control circuit includes N current input control sub-circuits. The pressure-sensing sub-circuit is connected to each of the pressure-sensing reading lines and configured to perform a pressure-sensing operation in accordance with a voltage signal acquired from each of the pressure-sensing reading lines.

公开(公告)号：US20210339254A1

公开(公告)日：2021-11-04

申请号：US16475093

申请日：2018-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yanling HAN ,  Ping ZHANG ,  Xueyou CAO ,  Chihjen CHENG ,  Jiabin WANG ,  Yangbing LI

IPC: B01L3/00 ,  G01N27/22

Abstract: A microfluidic circuit includes a detection capacitor, having a first terminal and a second terminal that are spaced apart from one another to thereby form a space therebetween. The circuit is configured to detect a droplet present in the space by detecting a change of a capacitance value of the detection capacitor caused by a change of a dielectric constant between the first terminal and the second terminal, and to drive a formation of an electrical field formed using at least one of the first terminal and the second terminal of the detection capacitor to thereby drive the droplet to move in the electrical field.