公开(公告)号：US12268079B2

公开(公告)日：2025-04-01

申请号：US17779784

申请日：2021-02-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Liu ,  Junbo Wei ,  Pengcheng Lu ,  Shengji Yang ,  Kuanta Huang ,  Rongrong Shi ,  Yuanlan Tian ,  Dacheng Zhang

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K102/00 ,  H10K102/10

Abstract: A display substrate includes: a wafer base (1) provided with a transistor; a metal reflective structure (2) on the wafer base, the metal reflective structure being electrically connected to the transistor, and being provided with a protrusion (21) protruding away from the wafer base; a first insulation layer (3) on a side of the metal reflective structure away from the wafer base, a surface of a portion of the first insulation layer corresponding to the metal reflective structure and facing away from the metal reflective structure being flush with a top face of the protrusion; and a transparent anode (4) on a side of the first insulation layer facing away from the metal reflective structure, the transparent anode being in contact connection with the top face of the protrusion.

公开(公告)号：US12225768B2

公开(公告)日：2025-02-11

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 ,  H10K59/121 ,  H10K59/131

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.

公开(公告)号：US20240414955A1

公开(公告)日：2024-12-12

申请号：US18808175

申请日：2024-08-19

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

Inventor： Shengji YANG ,  Xiaochuan Chen ,  Xue Dong ,  Hui Wang ,  Dacheng Zhang ,  Kuanta Huang ,  Pengcheng Lu ,  Zhiqiang Jiao

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/60

Abstract: A display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting layer and a second electrode. The first electrode layer is disposed on one side of the driving backplane and includes a plurality of first electrodes. The pixel definition layer is arranged on the side, same as the first electrode layer, of the driving backplane and being provided with a pixel opening exposing each of the first electrodes. The pixel definition layer is provided with a separation slot formed between adjacent ones of the first electrodes; and a first cut-off slot is provided on a sidewall of the pixel definition layer. The light-emitting layer covers the cut-off layer and the first electrode layer. The second electrode covers the light-emitting layer.

公开(公告)号：US12029065B2

公开(公告)日：2024-07-02

申请号：US16959757

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H10K50/856 ,  H10K59/123 ,  H10K59/126 ,  H10K71/00 ,  H10K59/12 ,  H10K77/10

CPC classification number: H10K50/856 ,  H10K59/123 ,  H10K59/126 ,  H10K71/00 ,  H10K59/1201 ,  H10K77/10

Abstract: A display device, a manufacturing method thereof and a driving substrate are provided. The display device includes: a base substrate, an active area and an edge area; the active area includes a plurality of sub-pixels on the base substrate; each sub-pixel includes: a first reflecting electrode, a light-emitting element a second electrode layer, an insulating layer, a pixel circuit, and a storing capacitor. The edge area includes a plurality of second reflecting electrodes and a light shielding layer.

公开(公告)号：US11997891B2

公开(公告)日：2024-05-28

申请号：US17259465

申请日：2020-03-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Pengcheng Lu ,  Rongrong Shi ,  Yuanlan Tian ,  Xiao Bai ,  Dacheng Zhang

IPC: H10K59/131 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided is display substrate, including driving circuit board, and first electrode layer, insulating layer, second electrode layer, isolation layer, transparent conductive layer sequentially stacked thereon. Driving circuit board includes pixel and bonding regions. First electrode layer includes first sub-portion in bonding region and second sub-portion in pixel region. Insulating and isolation layers are partially cover bonding and pixel regions. Insulating layer has first via hole in area corresponding to first sub-portion. Isolation layer has second via hole in the area. Axes of first and second via holes coincide, first sub-portion is exposed at first and second via holes. Second electrode layer is in pixel region, coupled to second sub-portion through third via hole in area corresponding to second sub-portion. Isolation layer has fourth via hole in area corresponding to second electrode layer. Transparent conductive layer is in pixel region, coupled to second electrode layer through fourth via hole.

公开(公告)号：US11957013B2

公开(公告)日：2024-04-09

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: H10K59/131 ,  G09G3/00 ,  H10K50/844

CPC classification number: H10K59/131 ,  G09G3/006 ,  H10K50/844

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：US11903298B2

公开(公告)日：2024-02-13

申请号：US17259373

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Junbo Wei ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Yuanlan Tian

IPC: H01L27/32 ,  H10K59/88 ,  H10K59/131 ,  H10K71/70 ,  H10K59/80 ,  H01L21/66 ,  H10K50/88 ,  H10K77/10 ,  H01L23/00 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/88 ,  H01L22/30 ,  H01L22/32 ,  H10K50/88 ,  H10K59/131 ,  H10K59/873 ,  H10K71/70 ,  H10K77/111 ,  H01L24/05 ,  H01L24/08 ,  H01L2224/05556 ,  H01L2224/05564 ,  H01L2224/05573 ,  H01L2224/08225 ,  H10K59/8731 ,  H10K71/851 ,  H10K2102/351

Abstract: A display panel includes a driving backplane, a plurality of detection pads, a light emitting function layer, and a flexible circuit board. The driving backplane has a pixel driving region and a peripheral region, and the peripheral region has bonding pads; an edge of the driving backplane is surrounded by a first section and a second section, and the bonding pads are located between the first section and the pixel driving region; a plurality of detection pads are disposed in and distributed along the second section; a light emitting function layer is disposed on the driving backplane and located in the pixel driving region; a flexible circuit board extends between the first section and the pixel driving region, and is bonded to the bonding pads; a first packaging layer is disposed on the light emitting function layer.

公开(公告)号：US11903258B2

公开(公告)日：2024-02-13

申请号：US16902288

申请日：2020-06-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Hui Wang ,  Xiaochuan Chen ,  Kuanta Huang ,  Pengcheng Lu ,  Yuncui Zhao

IPC: H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a plurality of pixel units arranged in a matrix, wherein the pixel units each include a plurality of sub-pixels, the sub-pixels each include a micro-cavity modulation layer and an emitting structure layer, the micro-cavity modulation layer is provided with a reflective electrode, the emitting structure layer includes a first electrode, an emitting layer and a semi-transparent and semi-reflective second electrode which are sequentially disposed on the micro-cavity modulation layer, and a distance between the second electrode and the reflective electrode is different in each sub-pixel.

公开(公告)号：US11805680B2

公开(公告)日：2023-10-31

申请号：US16970190

申请日：2019-08-23

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: H10K59/121 ,  H10K50/86 ,  H10K71/00

CPC classification number: H10K59/1213 ,  H10K50/865 ,  H10K59/1216 ,  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：US11805677B2

公开(公告)日：2023-10-31

申请号：US16967226

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chao Pu ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Junbo Wei ,  Li Liu

IPC: H10K59/121 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/121 ,  H10K50/157 ,  H10K50/167 ,  H10K50/171 ,  H10K59/131 ,  H10K71/00

Abstract: A display substrate and a manufacturing method thereof, and a display panel are provided. The display substrate includes a base substrate, a first electrode, a light-emitting functional layer, and a second electrode. The light-emitting functional layer includes a first functional layer and a second functional layer, an orthographic projection of an edge of the second functional layer on the base substrate is within an orthographic projection of an edge of the first functional layer on the base substrate, and an area of an orthographic projection of the second functional layer on the base substrate is smaller than an area of an orthographic projection of the first functional layer on the base substrate; and the second electrode covers and is in contact with at least one side surface of the light-emitting functional layer and a portion of a surface of the light-emitting functional layer away from the base substrate.