公开(公告)号：US20200266242A1

公开(公告)日：2020-08-20

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: H01L27/32 ,  H01L51/52

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 to 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：US20200150470A1

公开(公告)日：2020-05-14

申请号：US16420114

申请日：2019-05-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming ZHU ,  Yuyao WANG ,  Feng LIAO ,  Xiaochuan CHEN ,  Xue DONG

IPC: G02F1/1347 ,  G02F1/137 ,  G02F1/1335

Abstract: A display panel and a display device are provided, the display panel includes: a first substrate and a second substrate opposite to each other; a liquid crystal layer between the first substrate and the second substrate; a first electrode layer between the first substrate and the liquid crystal layer; and a second electrode layer between the second substrate and the liquid crystal layer, wherein the liquid crystal layer at least includes a first liquid crystal layer and a second liquid crystal layer stacked on each other, and a spiral direction of liquid crystal in the first liquid crystal layer is opposite to a spiral direction of liquid crystal in the second liquid crystal layer.

公开(公告)号：US20200142247A1

公开(公告)日：2020-05-07

申请号：US15758698

申请日：2017-09-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenqing ZHAO ,  Xue DONG ,  Xiaochuan CHEN ,  Haiyan WANG ,  Chenyu CHEN ,  Zhongxiao LI ,  Xiaochen NIU ,  Qian WANG ,  Jinye ZHU

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/13357 ,  G02F1/1337

Abstract: This disclosure provides a display panel, including a first substrate, a second substrate, a liquid crystal layer between them, a first black matrix layer at a side of the first substrate facing the second substrate, a second black matrix layer at a side of the second substrate facing the first substrate, and an electrode layer at a side of at least one of the first substrate and the second substrate facing the liquid crystal layer. Each pixel unit includes at least one pixel portion. A region of the first black matrix layer corresponding to the pixel portion includes a light shielding portion and a light transmission portion, a region of the second black matrix layer corresponding to the light shielding portion is provided with a light through hole, an orthogonal projection of the light shielding portion on the second black matrix layer covers the light through hole.

公开(公告)号：US20200043417A1

公开(公告)日：2020-02-06

申请号：US15738853

申请日：2017-06-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Can ZHANG ,  Wei SUN ,  Lingyun SHI

IPC: G09G3/3266 ,  G06K9/00 ,  G09G3/3291

Abstract: A pixel driving circuit and a method for driving the same, a display substrate and a display device are provided. The pixel driving circuit includes a display driving unit and a fingerprint identification unit. The display driving unit includes a driving transistor, a display storage sub-circuit, a data writing sub-circuit, a light-emitting control sub-circuit and a compensation control sub-circuit. The fingerprint identification unit includes a fingerprint detection sub-circuit and a conduction control sub-circuit. The fingerprint detection sub-circuit is configured to convert touch fingerprint information to a fingerprint current signal. The conduction control sub-circuit is configured to, during the light-emitting phase and in response to the second scanning signal, transmit the fingerprint current signal to the fingerprint current signal reading line.

公开(公告)号：US20200035756A1

公开(公告)日：2020-01-30

申请号：US15735849

申请日：2017-06-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Can ZHANG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  G06F3/041 ,  G06F3/044

Abstract: An OLED touch display substrate, an OLED touch display panel, a display device and a control method thereof are provided. The OLED touch display substrate includes an anode, a cathode and a functional layer arranged on a base substrate. The cathode includes sub-cathodes, a time period for displaying one image frame of the OLED touch display substrate includes a display time period and a touch time period, and the sub-cathodes further serve as touch electrodes. The touch display substrate further includes touch signal lines electrically connected to the touch electrodes. Within the display time period, a common voltage signal is applied to each touch electrode via the respective touch signal line. Within the touch time period, a touch scanning signal is applied to each touch electrode via the respective touch signal line, and it is detected whether or not a self-capacitance of the touch electrode changes.

公开(公告)号：US20200004363A1

公开(公告)日：2020-01-02

申请号：US15750924

申请日：2017-08-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  dongni LIU ,  Lei WANG ,  Pengcheng LU ,  Li XIAO ,  Han YUE ,  Jie FU ,  Wenqing ZHAO ,  Yafeng YANG

IPC: G06F3/041

Abstract: An in-cell transparent touch display panel, manufacturing method and driving method thereof, which relates to the technical field of display is disclosed. The transparent touch display panel includes a first electrode and a pixel defining structure on a transparent substrate, the first electrode extending along a first direction and the pixel defining structure defining a plurality of pixel regions and touch electrode regions; an organic electroluminescent layer in the pixel regions, a second electrode arranged on the organic electroluminescent layer and in the pixel regions, the second electrodes extending along a second direction; and a plurality of first touch electrodes along the first direction and a plurality of second touch electrodes along the second direction and in the touch electrode regions. The first electrodes, second electrodes, first touch electrodes and second touch electrodes are all transparent electrodes, and the first direction intersects with the second direction.

公开(公告)号：US20190326359A1

公开(公告)日：2019-10-24

申请号：US16074323

申请日：2018-01-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji YANG ,  Xue DONG ,  Xiaochuan CHEN ,  Minghua XUAN ,  Pengcheng LU ,  Weifeng HAN ,  Huijuan WANG ,  Jing YU ,  Yingli LIU ,  Limin YU

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

Abstract: An OLED touch display panel, a method for manufacturing an OLED touch display panel and a touch display device are disclosed. The method comprises: forming a plurality of baffles by a patterning process on a TFT back plate, wherein each of the baffles defines a touch region; and forming a cathode layer on the TFT back plate on which the baffles have been formed. The cathode layer is partitioned by the baffles into a plurality of self-capacitance electrodes insulated from each other. Each of the self-capacitance electrodes is located within one of the touch regions and matches the touch region in shape.

公开(公告)号：US20190294850A1

公开(公告)日：2019-09-26

申请号：US16316457

申请日：2018-03-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00

Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line. The fingerprint recognition device can filter out the current generated by coupling the fingerprint recognition signal line with other data lines, the interference with the detection current is reduced, the accuracy of the fingerprint recognition is improved.

公开(公告)号：US20190243456A1

公开(公告)日：2019-08-08

申请号：US15772704

申请日：2017-10-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanling HAN ,  Xue DONG ,  Haisheng WANG ,  CHUN-WEI WU ,  Xiaoliang DING ,  Yingming LIU ,  Chih-Jen CHENG ,  Yuzhen GUO

IPC: G06F3/01 ,  G06F3/0481 ,  G06K9/00

CPC classification number: G06F3/017 ,  G06F3/04815 ,  G06K9/00201 ,  G06K9/00355 ,  G06K9/00375

Abstract: There are disclosed a device and method for recognizing a gesture, and a display device, so as to recognize a gesture on a 3D display. A device for recognizing a gesture according to the present disclosure includes: a depth-of-focus position recognizer configured to recognize a depth-of-focus position of a gesture of a user; and a gesture recognizer configured to recognize the gesture according to the depth-of-focus position of the gesture of the user and a 3D display image.

公开(公告)号：US20190213978A1

公开(公告)日：2019-07-11

申请号：US16327072

申请日：2018-05-07

Applicant: BOE TECHNOLOGY GROUP CO. , LTD.

Inventor： Yanan JIA ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Rui XU ,  Chengfeng LI ,  Yuzhen GUO ,  Lijun ZHAO ,  Yanling HAN ,  Pinchao GU ,  Yunke QIN ,  Jing LV ,  Chun Wei WU

IPC: G09G5/38 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

CPC classification number: G09G5/38 ,  G09F9/301 ,  G09G2320/068 ,  G09G2354/00 ,  G09G2380/02 ,  H01L27/3232 ,  H01L27/3244 ,  H01L51/0097 ,  H01L51/5281 ,  H01L51/5284 ,  H01L2251/5338

Abstract: Provided are a flexible display device and a control method thereof. The flexible display device includes: a base substrate; a display component located on the base substrate; a top-layer cover plate, configured to package the display component; a deformation layer, configured to create a deformation to drive the flexible display device to deform; and a control element, located on the base substrate and configured to control a deformation variable of the deformation layer.