公开(公告)号：US11968853B2

公开(公告)日：2024-04-23

申请号：US17886475

申请日：2022-08-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Liu ,  Pengcheng Lu ,  Shengji Yang ,  Kui Zhang

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H10K50/17 ,  H10K50/81 ,  H10K50/82 ,  H10K50/844 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K50/17 ,  H10K50/81 ,  H10K50/82 ,  H10K50/844 ,  H10K71/00 ,  H10K2102/351

Abstract: This disclosure relates to an organic electroluminescent structure and a display device. The organic electroluminescent structure includes a base substrate; a passivation protective layer provided at a side of the base substrate, in which the passivation protective layer is provided with a plurality of inner cutting portions arranged at intervals at a side facing away from the base substrate, each of the inner cutting portions has a first surface towards the base substrate and a second surface away from the base substrate, an orthographic projection of the first surface on the base substrate is within an orthographic projection of the second surface on the base substrate, and a groove is provided between two adjacent inner cutting portions and is formed as an inner cutting structure; an anode layer including a plurality of anodes arranged at intervals; an organic light-emitting functional layer having a hole injection layer.

公开(公告)号：US11957023B2

公开(公告)日：2024-04-09

申请号：US17853325

申请日：2022-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongsheng Li ,  Kuanta Huang ,  Shengji Yang ,  Pengcheng Lu ,  Yunlong Li ,  Qing Wang ,  Yongfa Dong ,  Xiaobin Shen ,  Hui Tong ,  Xiong Yuan ,  Yu Wang ,  Xiaochuan Chen

IPC: H10K59/38 ,  H10K50/86 ,  H10K59/12 ,  H10K59/126 ,  H10K71/00

CPC classification number: H10K59/38 ,  H10K50/86 ,  H10K59/1201 ,  H10K59/126 ,  H10K71/00

Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.

公开(公告)号：US11937474B2

公开(公告)日：2024-03-19

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: H10K59/13 ,  H10K50/824 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/131 ,  H10K50/824 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/122

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：US11935468B2

公开(公告)日：2024-03-19

申请号：US17537154

申请日：2021-11-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2320/066 ,  G09G2320/0686

Abstract: A display substrate and a display device are provided. The display substrate includes a plurality of driving circuits, wherein each of the driving circuits includes: a first sub-circuit, respectively coupled to a gate signal terminal, a data signal terminal and a light-emitting power source terminal, and configured to store a drive voltage based on a voltage at the data signal terminal when the gate signal terminal receives a gate drive signal, and output a drive current to a light-emitting device based on the stored drive voltage under power supply provided by the light-emitting power source terminal; and a second sub-circuit, configured to regulate an equivalent resistance value of the second sub-circuit in an output path through which the drive current is output to the light-emitting device, based on a voltage division control signal received by the voltage division control signal terminal.

公开(公告)号：US11871625B2

公开(公告)日：2024-01-09

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: H01L23/00 ,  H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

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：US11763721B2

公开(公告)日：2023-09-19

申请号：US17683734

申请日：2022-03-01

Applicant: Yunnan Invensight Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Qian Wu ,  Pengcheng Lu ,  Zhijian Zhu ,  Chenyu Chen ,  Yunlong Li ,  Dongsheng Li ,  Wei Liu ,  Longfei Fan ,  Rongfei Chen ,  Dacheng Zhang ,  Yuanlan Tian

IPC: G09G3/20 ,  H01L27/32 ,  G09G3/3225 ,  H10K59/38 ,  H10K59/122 ,  H10K59/35

CPC classification number: G09G3/2003 ,  G09G3/3225 ,  H10K59/122 ,  H10K59/351 ,  H10K59/353 ,  H10K59/38 ,  G09G2300/0452

Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.

公开(公告)号：US11656721B2

公开(公告)日：2023-05-23

申请号：US16606349

申请日：2019-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G06F3/042 ,  G06F3/041 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

CPC classification number: G06F3/0421 ,  G06F3/04166 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2354/00

Abstract: A pixel circuit, an array substrate, a display panel and a method of driving the same, and a display device. The pixel circuit includes: a light emitting device; a light sensitive touch control sub-circuit, connected to a first scan terminal, a second scan terminal, a data signal terminal and a signal reading line, the light sensitive touch control sub-circuit being configured to generate a detection signal based on a light intensity under a control of a first scan signal from the first scan terminal and a data signal from the data signal terminal and to output the detection signal through the signal reading line; and a light emitting driving control sub-circuit, connected to the first scan terminal, the second scan terminal and the data signal terminal, the light emitting driving control sub-circuit being configured to drive the light emitting device.

公开(公告)号：US20230118463A1

公开(公告)日：2023-04-20

申请号：US16957292

申请日：2019-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kui Zhang ,  Li Liu ,  Pengcheng Lu ,  Yunlong Li

IPC: H10K50/813 ,  H10K59/131 ,  H10K50/822 ,  H10K71/00

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof, and a display device are disclosed. In the OLED display substrate, an anode pattern is located at a side of an insulating layer away from a base substrate and is located in an effective display region; an organic light-emitting layer is located on the anode pattern; a periphery region includes a lead wire region and a virtual region that are at least partly overlapped; a lead wire is located in the lead wire region; the virtual region is provided with a virtual anode pattern, the virtual anode pattern is insulated from the lead wire; the periphery region further includes an annular electrode surrounding the effective display region; a cathode is electrically connected with the annular electrode; the virtual region is located at an outer side of the annular electrode away from the effective display region.

公开(公告)号：US20220344428A1

公开(公告)日：2022-10-27

申请号：US17628671

申请日：2021-02-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qian Wu ,  Longfei Fan ,  Pengcheng Lu ,  Xiaochuan Chen

IPC: H01L27/32

Abstract: A display panel and a display device, the display panel includes a sub-pixel, wherein the sub-pixel includes a pixel circuit and a light emitting element, the pixel circuit includes a data writing sub-circuit, a storage sub-circuit and a driving sub-circuit. The storage sub-circuit includes a storage capacitor (Cst) including a first capacitor electrode and a second capacitor electrode, the second capacitor electrode includes a first region, a second region and a third region, a carrier mobility in the second region is different from a carrier mobility in the first and third regions, and an area of the second region is larger than an area of the first and third regions. The control electrode of the driving sub-circuit and the first capacitor electrode are disposed in the same layer and implemented as an integral structure.

公开(公告)号：US20220344425A1

公开(公告)日：2022-10-27

申请号：US17628678

申请日：2021-02-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhijian Zhu ,  Longfei Fan ,  Pengcheng Lu ,  Xiaochuan Chen ,  Qian Wu

IPC: H01L27/32

Abstract: A display panel and a display apparatus are provided. The display panel includes a base substrate including a pixel circuit and a light-emitting element. The pixel circuit includes a data writing sub-circuit, a storage sub-circuit, a driver sub-circuit and a first sub-circuit. The data writing sub-circuit is configured to transmit a data signal to a first terminal of the storage sub-circuit in response to a control signal. A control electrode of the driver sub-circuit is coupled to the storage sub-circuit, a first electrode of the driver sub-circuit is configured to receive a first power supply voltage, and a second electrode is coupled to a first electrode of the light-emitting element. The first sub-circuit includes a first transistor, where a gate and a first electrode of the first transistor are both coupled to the same electrode of the driver sub-circuit.