公开(公告)号：US20200343311A1

公开(公告)日：2020-10-29

申请号：US16080896

申请日：2018-01-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Changfeng LI ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Xiaoliang DING ,  Rui XU ,  Pinchao GU ,  Pengcheng LU

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

Abstract: The present disclosure relates to the field of display technologies, and provides a touch substrate and a display panel. Specifically, the touch substrate comprises: a pixel array and a light sensing device array arranged oppositely; a light shielding layer between the pixel array and the light sensing device array; and a lens array on a side of the light shielding layer remote from the light sensing device array. The pixel array comprises a plurality of pixel units, each pixel unit comprising a plurality of sub-pixels. The lens array comprises a plurality of lens units. The light sensing device array comprises a plurality of light sensing devices. The light shielding layer is provided with a plurality of via holes.

公开(公告)号：US20200333906A1

公开(公告)日：2020-10-22

申请号：US15998617

申请日：2017-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng LU ,  Shengji YANG ,  Xiaochuan CHEN ,  Minghua XUAN ,  Lei WANG ,  Jie FU ,  Li Xiao ,  Jian GAO ,  Changfeng LI

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An in-cell touch display panel, a manufacturing method thereof, and a display device. The in-cell touch display panel includes a base substrate, a touch electrode, and a touch driver chip. The touch electrode includes a plurality of sub-electrodes that are independent from each other. The display panel further includes a plurality of touch leads that are in one-to-one correspondence with the sub-electrodes. Each of the sub-electrodes is connected to the touch driver chip through a corresponding touch lead. At least one sub-electrode has at least one non-conductive region, and an orthographic projection of the non-conductive region of the sub-electrode and that of the touch lead corresponding to the sub-electrode on the base substrate at least partially overlap.

公开(公告)号：US20200302863A1

公开(公告)日：2020-09-24

申请号：US15775889

申请日：2017-11-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Shengji YANG ,  Lei WANG ,  Li XIAO ,  Jie FU ,  Xiaochuan CHEN ,  Pengcheng LU

IPC: G09G3/3233

Abstract: A pixel circuit is disclosed, which includes: a driving transistor, a capacitor, a data writing sub-circuit and a current controlling sub-circuit, wherein the current controlling sub-circuit is used for controlling a ratio of a total time during which the driving current flows into the current controlling sub-circuit to a total time during which the driving current flows into the light-emitting device under control of a second control signal inputted via a second control signal input line during a light-emitting stage. Moreover, a pixel driving method and a display device are disclosed.

公开(公告)号：US20200211463A1

公开(公告)日：2020-07-02

申请号：US15751300

申请日：2017-07-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Lei WANG ,  Li XIAO ,  Pengcheng LU ,  Jie FU

IPC: G09G3/3258

Abstract: A pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a light emitting element, a driving circuit and a compensation voltage acquisition circuit. The driving circuit is configured to drive the light emitting element to emit light; and the compensation voltage acquisition circuit is configured to obtain a compensation voltage based on luminance of the light emitting element, and the compensation voltage can be provided to the driving circuit.

公开(公告)号：US20200075706A1

公开(公告)日：2020-03-05

申请号：US16394254

申请日：2019-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng LU ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Shengji YANG ,  Hui WANG ,  Yanming WANG ,  Weihai WANG ,  Guohong QIN ,  Rongrong SHI ,  Yage SONG ,  Jiantong LI

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52

Abstract: A display panel includes a base substrate, a first electrode contact portion, a light emitting layer, and a first electrode. The first electrode contact portion is disposed on the base substrate and surrounding a display area, and is separated from the display area by an isolation area. The light emitting layer covers the display area and at least a portion of the isolation area, and extends at least partially to an inner edge of the first electrode contact portion or a surface of the first electrode contact portion away from the base substrate. The first electrode is disposed on the light emitting layer and a portion of the first electrode contact portion that is not covered by the light emitting layer.

公开(公告)号：US20200051491A1

公开(公告)日：2020-02-13

申请号：US16339513

申请日：2018-07-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Lei WANG ,  Li XIAO ,  Shengji YANG ,  Pengcheng LU ,  Xiaochuan CHEN

IPC: G09G3/32

Abstract: Embodiments of the present disclosure provide an array substrate and a driving method thereof, a display panel as well as a display device. The array substrate comprises: m rows and n columns of subpixels, wherein m and n are positive integers; a plurality of gate lines, wherein if m is an even number, when i

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：US20190288056A1

公开(公告)日：2019-09-19

申请号：US16301759

申请日：2018-03-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Minghua XUAN ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Jie FU ,  Lei WANG ,  Pengcheng LU

IPC: H01L27/32

Abstract: The present disclosure provides a pixel circuit structure and a display device using the same. The pixel circuit structure includes: a metal light shielding layer; at least one buffer layer formed on the metal light shielding layer; a thin film transistor formed on the at least one buffer layer; an insulating layer formed on a gate of the thin film transistor; and a second gate, formed on the insulating layer, forming a storage capacitance with the gate, and electrically coupled to a power line of the thin film transistor, wherein the metal light shielding layer is electrically coupled to the power line of the thin film transistor.

公开(公告)号：US20190229155A1

公开(公告)日：2019-07-25

申请号：US16210424

申请日：2018-12-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Lei WANG ,  Shengji YANG ,  Pengcheng LU ,  Li XIAO ,  Dongni LIU ,  Xiaochuan CHEN

IPC: H01L27/32 ,  G06F3/044 ,  G06F3/041 ,  G06F3/047 ,  H01L51/52 ,  H01L51/56 ,  H01L51/50

Abstract: An electroluminescent display panel, a method for manufacturing the same, and a mask are provided. The method for manufacturing an electroluminescent display panel includes: forming, on at least one side of a predetermined light-emitting layer of the electroluminescent display panel, an electrode layer having a pattern corresponding to patterns of masks under shielding of the masks through an evaporation process, wherein the predetermined light-emitting layer is a film layer for forming a light-emitting layer of the electroluminescent display panel.