公开(公告)号：US20220320258A1

公开(公告)日：2022-10-06

申请号：US17846487

申请日：2022-06-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng LU ,  Yunlong LI ,  Yuanlan TIAN ,  Yu AO

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, and a light-emitting functional layer. The first electrode pattern is located in a display region and includes a plurality of first electrodes spaced apart from each other. The connecting electrode pattern is located in a peripheral region and includes a plurality of connecting electrodes. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern being spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode, the connecting electrode pattern surrounds the first electrode pattern, and at least two of the plurality of connecting electrodes are each of a block shape and are spaced apart from each other.

公开(公告)号：US20230269974A1

公开(公告)日：2023-08-24

申请号：US17261034

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yunlong LI ,  Pengcheng LU ,  Shuai TIAN ,  Yu AO ,  Zhijian ZHU ,  Yuanlan TIAN

IPC: H10K59/131 ,  H10K59/124 ,  H10K59/12 ,  H10K71/16

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/124 ,  H10K71/162

Abstract: Provided is a display substrate, including: a silicon-based substrate having a display area, a binding area located on one side of the display area, and a trace area located between the display area and the binding area; a trace protection structure is arranged on the silicon-based substrate in the trace area, and a pad assembly is integrated in the silicon-based substrate in the binding area; and a minimum distance between an edge of an orthographic projection of the trace protection structure on the silicon-based substrate and an edge of an orthographic projection of an opening of the pad assembly on the silicon-based substrate is smaller than a maximum size of one subpixel.

公开(公告)号：US20210408205A1

公开(公告)日：2021-12-30

申请号：US16959214

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng LU ,  Yunlong LI ,  Yuanlan TIAN ,  Yu AO

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, and a light-emitting functional layer. The first electrode pattern is located in a display region and includes a plurality of first electrodes spaced apart from each other. The connecting electrode pattern is located in a peripheral and includes a plurality of connecting electrodes. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern being spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode, the connecting electrode pattern surrounds the first electrode pattern, and at least two of the plurality of connecting electrodes are each of a block shape and are spaced apart from each other.

公开(公告)号：US20220384553A1

公开(公告)日：2022-12-01

申请号：US16958821

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunlong LI ,  Pengcheng LU ,  Li LIU ,  Yu AO ,  Yuanlan TIAN ,  Zhijian ZHU ,  Dacheng ZHANG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer and a first dummy electrode pattern. The first electrode pattern includes a plurality of first electrodes spaced apart from each other. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The first dummy electrode pattern includes a plurality of first dummy electrodes; the connecting electrode pattern surrounds the first electrode pattern, the first dummy electrode pattern is located between the connecting electrode pattern and the first electrode pattern, and at least two of the plurality of first dummy electrodes are each of a block shape and are spaced apart from each other.

公开(公告)号：US20220140051A1

公开(公告)日：2022-05-05

申请号：US17260248

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhijian ZHU ,  Pengcheng LU ,  Yu AO ,  Yunlong LI ,  Yuanlan TIAN

IPC: H01L27/32 ,  G09G3/00 ,  H01L51/52

Abstract: A display panel includes: a silicon-based substrate, a driving layer, a first electrode layer, an organic light emitting layer, a second electrode layer and a plurality of pads. The display signal access pad is configured to access the display signal during a display phase, the test signal access pad at least includes a first group of test phase access pads, and the first group of test phase access pads includes a first pad and a second pad, the first pad is electrically connected with the electrode ring, and the second pad is electrically connected with the silicon-based substrate.

公开(公告)号：US20230017885A1

公开(公告)日：2023-01-19

申请号：US17954377

申请日：2022-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhijian ZHU ,  Pengcheng LU ,  Yu AO ,  Yunlong LI ,  Yuanlan TIAN

IPC: H01L27/32 ,  G09G3/00 ,  H01L51/52

Abstract: A display panel includes: a silicon-based substrate, a driving layer, a first electrode layer, an organic light emitting layer, a second electrode layer and a plurality of pads. Where, the display signal access pad is configured to access the display signal during a display phase, the test signal access pad at least includes a first group of test phase access pads, and the first group of test phase access pads includes a first pad and a second pad, the first pad is electrically connected with the electrode ring, and the second pad is electrically connected with the silicon-based substrate.

公开(公告)号：US20220115484A1

公开(公告)日：2022-04-14

申请号：US17266625

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengcheng LU ,  Shengji YANG ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Yage SONG ,  Yanming WANG ,  Hui WANG ,  Dongdong DUAN ,  Jiantong LI ,  Xiao BAI ,  Yunlong LI ,  Shuai TIAN ,  Zhijian ZHU ,  Yu AO ,  Junbo WEI ,  Chao PU ,  Yuanlan TIAN

IPC: H01L27/32

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a silicon-based substrate and an array structure layer arranged on the silicon-based substrate; a driving transistor and a first power line being arranged in the silicon-based substrate in the display area, a light emitting element being disposed on the array structure layer in the display area, a first electrode of the driving transistor being connected with the first power line, and a second electrode of the driving transistor being connected with an anode of the light emitting element; a power supply electrode and a second power line being arranged in the silicon-based substrate in the peripheral area, the power supply electrode being connected with the second power line.

公开(公告)号：US20220140047A1

公开(公告)日：2022-05-05

申请号：US17258762

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhijian ZHU ,  Yu AO ,  Yunlong LI ,  Pengcheng LU ,  Yuanlan TIAN

IPC: H01L27/32

Abstract: A display panel includes a drive backplane, a transparent insulating layer and a light-emitting device layer. The drive backplane includes a driving circuit layer, a metal wiring layer, a first insulating layer and a reflective electrode layer. The first insulating layer has first via holes filled with first metal connectors. The reflective electrode layer includes first reflective electrodes respectively connected with the metal wiring layer through the first metal connectors. The light-emitting device layer includes a pixel electrode layer, an organic light-emitting layer and a common electrode layer. The pixel electrode layer includes first pixel electrodes respectively connected with the first reflective electrodes through the connection via holes. A distance between an orthographic projection of the connection via hole on the pixel electrode layer and an edge of the first pixel electrode is not less than a first threshold value.

公开(公告)号：US20220130330A1

公开(公告)日：2022-04-28

申请号：US17257843

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhijian ZHU ,  Yu AO ,  Pengcheng LU

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A display substrate, a display method and a display device are disclosed. The display substrate includes a display region and an offset region surrounding the display region. The display substrate includes a silicon-based substrate, an emitting structure layer arranged on the silicon-based substrate. The first pixel driving circuits are connected with the emitting structure layer of the display region, and at least part of the first pixel driving circuits are configured to provide driving signals for the emitting structure layer electrically connected with the first pixel driving circuits during normal display. The second pixel driving circuits are connected with the emitting structure layer of the offset region, and at least part of the second pixel driving circuits are configured to provide no driving signals for the emitting structure layer electrically connected with the second pixel driving circuits during normal display.