公开(公告)号：US20240224578A1

公开(公告)日：2024-07-04

申请号：US18556850

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Linlin WANG ,  Changyen WU ,  Juanjuan YOU ,  Yongqi SHEN ,  Bin BU ,  Wenfeng SONG ,  Guang YAN ,  Li SUN ,  Dacheng ZHANG

IPC: H10K50/818 ,  H10K50/16 ,  H10K50/17 ,  H10K50/82 ,  H10K50/852 ,  H10K102/00

CPC classification number: H10K50/818 ,  H10K50/16 ,  H10K50/171 ,  H10K50/82 ,  H10K50/852 ,  H10K2102/351

Abstract: An electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. The electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n−1) charge generation layers located between two adjacent light-emitting functional layers.

公开(公告)号：US20240122032A1

公开(公告)日：2024-04-11

申请号：US17637817

申请日：2021-04-21

Applicant: BOE Technology Group Co., Ltd. ,  Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Inventor： Qinghe WANG ,  Bin ZHOU ,  Tongshang SU ,  Dacheng ZHANG ,  Jun WANG ,  Ning LIU ,  Yongchao HUANG ,  Jun CHENG ,  Liangchen YAN

IPC: H10K59/80 ,  H10K59/12

CPC classification number: H10K59/80517 ,  H10K59/1201 ,  H10K59/80522 ,  H10K59/8731

Abstract: A display substrate including a drive-circuit layer and a light-emitting structure layer, a preparation method thereof, and a display device, the light-emitting structure layer includes an anode, a pixel definition layer, an organic light-emitting layer and a cathode, and an auxiliary electrode and an organic light-emitting block, arranged sequentially, the pixel definition layer includes an anode opening exposing the anode and an electrode opening exposing the auxiliary electrode, the organic light-emitting block is separated from the organic light-emitting layer, the auxiliary electrode includes the first, second and third auxiliary electrodes arranged sequentially; the cathode includes a first horizontal lapping part lapping with the first auxiliary electrode and a second sidewall lapping part lapping with the second auxiliary electrode, the thickness of the second sidewall lapping part in the direction parallel to the substrate is greater than that of the first horizontal lapping part in the direction perpendicular to the substrate.

公开(公告)号：US20240074294A1

公开(公告)日：2024-02-29

申请号：US18261116

申请日：2022-09-07

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

Inventor： Zhijian ZHU ,  Pengcheng LU ,  Shengji YANG ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Qian WU ,  Longfei FAN ,  Dacheng ZHANG

IPC: H10K59/80

CPC classification number: H10K59/879

Abstract: A display module, including: a display panel; and a color film layer and a micro-lens layer, provided on a light-emitting side of the display panel; where, the color film layer includes a plurality of filter portions, and the micro-lens layer includes a plurality of first converging lenses and a plurality of second converging lenses; a gap is provided between two adjacent first converging lenses, and an orthographic projection of a first converging lens on the display panel is located within an orthographic projection of a filter portion on the display panel; a second converging lens is provided in the gap between two adjacent first converging lenses, and a vertex of the second converging lens is located between a vertex of the first converging lens and a bottom surface of the first converging lens.

公开(公告)号：US20240005869A1

公开(公告)日：2024-01-04

申请号：US17642786

申请日：2021-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing ZHANG ,  Zhan GAO ,  Yicheng LIN ,  Pan XU ,  Ying HAN ,  Dacheng ZHANG

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2310/0286 ,  G09G2300/0842 ,  G09G2300/0426

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sensing signal lines. The base substrate includes a display region including repeating units arranged in array, each repeating unit includes a transparent region and a pixel region arranged in a first direction. Two lines of repeating units are provided between adjacent two of the plurality of sensing signal lines, the two lines of repeating units extend along a second direction, and each of the plurality of sensing signal lines is connected with sub-pixel driving circuits of the plurality of sub-pixels of two lines of repeating units which are adjacent to the each of the plurality of sensing signal lines and extend along the second direction, and is configured to provide a reference voltage signal. The display substrate reduces the space occupied by the signal lines and improves the light transmittance.

公开(公告)号：US20230345803A1

公开(公告)日：2023-10-26

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: H10K59/131 ,  H10K59/80 ,  H10K59/12 ,  H10K71/20

CPC classification number: H10K59/878 ,  H10K59/1201 ,  H10K59/131 ,  H10K59/8051 ,  H10K59/80524 ,  H10K71/20 ,  H10K2102/103

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：US20230329044A1

公开(公告)日：2023-10-12

申请号：US18336196

申请日：2023-06-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuanta HUANG ,  Yuhao LEE ,  Dacheng ZHANG ,  Hui TONG ,  Xiaobin SHEN ,  Shipeng LI ,  Chao YANG ,  Dongsheng LI

IPC: H01L33/00

CPC classification number: H10K59/122 ,  H10K50/844 ,  H10K59/80521 ,  H10K71/00

Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.

公开(公告)号：US20230180547A1

公开(公告)日：2023-06-08

申请号：US17416481

申请日：2020-12-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan XU ,  Li SUN ,  Dacheng ZHANG ,  Lang LIU ,  Chen XU ,  Yongqian LI

IPC: H10K59/131 ,  G02F1/1362

CPC classification number: H10K59/131 ,  G02F1/136286

Abstract: A display panel and a display device are provided, since a plurality of source ICs (01) are arranged, a large-sized display panel is driven, and since the plurality of source ICs (01) are scattered around a display area (A) along the tangential directions of the edge of the display area (A), that is, the source ICs (01) are distributed according to the shape of the display panel, a distance between the source ICs (01) and the display area (A) is shortened, and thus a narrow bezel design of the display panel is facilitated.

公开(公告)号：US20230165061A1

公开(公告)日：2023-05-25

申请号：US17428326

申请日：2021-04-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuanta HUANG ,  Yuhao LEE ,  Dacheng ZHANG ,  Hui TONG ,  Xiaobin SHEN ,  Shipeng LI ,  Chao YANG ,  Dongsheng LI

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/80521

Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.

公开(公告)号：US20230142473A1

公开(公告)日：2023-05-11

申请号：US17915228

申请日：2021-11-11

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

Inventor： Zhijian ZHU ,  Pengcheng LU ,  Chenyu CHEN ,  Yunlong LI ,  Dongsheng LI ,  Wei LIU ,  Longfei FAN ,  Qian WU ,  Rongfei CHEN ,  Yuanlan TIAN ,  Dacheng ZHANG

IPC: H10K59/35 ,  H10K59/38 ,  H10K59/80 ,  H10K71/00

CPC classification number: H10K59/351 ,  H10K59/353 ,  H10K59/38 ,  H10K59/879 ,  H10K71/00

Abstract: A display panel includes a plurality of first pixel units, each of the first pixel units including a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel of different colors, and the four sub-pixels including a white sub-pixel. In each of the first pixel units, the four sub-pixels are arranged in two rows and two columns, the first sub-pixel and the fourth sub-pixel are diagonally located and centrally symmetric, the second sub-pixel and the third sub-pixel are diagonally located and centrally symmetric, the first pixel unit composed of the four sub-pixels is formed in a hexagon as a whole, and the first pixel unit has at least two obtuse angles or two arc edges protruding toward a direction away from a center of the first pixel unit.

公开(公告)号：US20230087701A1

公开(公告)日：2023-03-23

申请号：US17613691

申请日：2021-02-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Pan XU ,  Yicheng LIN ,  Ying HAN ,  Xing ZHANG ,  Zhen SONG ,  Dacheng ZHANG

IPC: H10K59/131

Abstract: Provided is a display panel, including: a substrate provided with a display region and a non-display region disposed at a periphery of the display region; a plurality of first power signal lines and a plurality of drive signal lines that are disposed in the display region; and a power connection bus, a plurality of first fan-out leads, and a plurality of second fan-out leads that are disposed in the non-display region, wherein the power connection bus is electrically connected to the first power signal line and the first fan-out lead respectively; the plurality of second fan-out leads are electrically connected to the plurality of drive signal lines in a one-to-one correspondence; each first fan-out lead is disposed between every two adjacent second fan-out leads; and the plurality of first fan-out leads and the plurality of second fan-out leads are both configured to be electrically connected to a driving chip.