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：US20200242321A1

公开(公告)日：2020-07-30

申请号：US16637025

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou CAO ,  Haisheng WANG ,  Xiaoliang DING ,  Chih Jen CHENG ,  Yanling HAN ,  Wei LIU ,  Pengpeng WANG ,  Ping ZHANG

IPC: G06K9/00 ,  G09G5/10

Abstract: Provided are a compensation structure and a driving method thereof, a display panel, and a display device. The compensation structure includes a photoelectric sensing circuit, a fingerprint recognition circuit and a compensation circuit. The photoelectric sensing circuit is configured to respectively generate a first electric signal and a second electric signal according to received first optical signal and second optical signal. The fingerprint recognition circuit is configured to be connected to the photoelectric sensing circuit to receive the first electric signal, and to employ the first electric signal to determine a fingerprint pattern. The compensation circuit is configured to be connected to the photoelectric sensing circuit to receive the second electric signal, and to employ the second electric signal to perform optical compensation so as to adjust the first electric signal.

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：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：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：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.

公开(公告)号：US20180210571A1

公开(公告)日：2018-07-26

申请号：US15545142

申请日：2017-02-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haisheng WANG ,  Xue DONG ,  Jing LV ,  Chunwei WU ,  Yingming LIU ,  Xiaoliang DING ,  Rui XU ,  Lijun ZHAO ,  Changfeng LI ,  Wei LIU ,  Pengpeng WANG ,  Yanan JIA ,  Yanling HAN ,  Xueyou CAO ,  Ping ZHANG ,  Yuzhen GUO

IPC: G06F3/042 ,  G06F3/041

CPC classification number: G06F3/042 ,  G06F3/0412 ,  G06F2203/04103 ,  G06K9/0004 ,  H01L27/323 ,  H01L27/3269

Abstract: The present disclosure provides a touch display panel, a flexible display panel and a display apparatus. In one embodiment, light sensitive effect-based photo-sensitive diodes and switching transistors for controlling signal output of the photo-sensitive diodes are integrated in the display panel. Once a touch operation of an object (e.g., a finger) is implemented on a surface of the display panel, the photo-sensitive diode in a corresponding position can convert a sensed light intensity difference into an electrical signal difference to achieve detection of the touch operation.

公开(公告)号：US20180151122A1

公开(公告)日：2018-05-31

申请号：US15827551

申请日：2017-11-30

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: G09G3/3258 ,  H01L27/32 ,  G06K9/00

Abstract: A display driving unit circuit, a driving method, a display driving circuit and a display device are provided. The display driving unit circuit includes a pixel driving circuit and a light-emission control signal generation circuit. The light-emission control signal generation circuit is coupled to the pixel driving circuit. The pixel driving circuit is to drive a pixel to emit light. The light-emission control signal generation circuit is to supply a display light-emission control signal to the pixel driving circuit at a display stage to enable the pixel in a displaying mode and supply a fingerprint detection light-emission control signal to the pixel driving circuit at a fingerprint detection stage to enable the pixel in a fingerprint detection light-emission mode at the fingerprint detection stage. The display stage and the fingerprint detection stage are different time periods.

公开(公告)号：US20180033629A1

公开(公告)日：2018-02-01

申请号：US15662896

申请日：2017-07-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L21/28 ,  H01L21/31 ,  H01L23/32 ,  H05K1/14 ,  G01R1/04

CPC classification number: H01L21/28 ,  G01R1/0433 ,  G02F1/13454 ,  H01L21/31 ,  H01L23/32 ,  H01L24/11 ,  H01L24/13 ,  H05K1/11 ,  H05K1/147

Abstract: An integrated circuit element and a fabrication method thereof, a circuit board, a display panel and a display device are provided, to reduce space occupied by the integrated circuit element and facilitate achieving intelligent transparent display by arranging the integrated circuit element in a display. The integrated circuit element includes a base plate, and a bare integrated circuit chip and multiple connection parts arranged on the base plate. The bare integrated circuit chip includes multiple connection points that are respectively electrically connected to the multiple connection parts.