公开(公告)号：US20240206277A1

公开(公告)日：2024-06-20

申请号：US18590337

申请日：2024-02-28

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 ,  Xiaochuan CHEN ,  Yu WANG

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：US20220344607A1

公开(公告)日：2022-10-27

申请号：US17422729

申请日：2020-11-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui TONG ,  Yuhao LEE ,  Xiaohu LI ,  Zhiwei NIAN ,  Kuanta HUANG ,  Chao YANG ,  Xiaobin SHEN ,  Yongfa DONG ,  Qing WANG ,  Shipeng LI ,  Hongtao YU ,  Zongshun YANG

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/52

Abstract: Provided is an OLED device, which includes a first electrode, a second electrode, and a first light emitting unit located between the first electrode and the second electrode. An absorption rate of the first electrode for blue light is greater than an absorption rate of the first electrode for red light, and the absorption rate of the first electrode for blue light is greater than an absorption rate of the first electrode for green light. The first light emitting unit includes a light emitting layer and a hole functional unit located between the first electrode and the light emitting layer. The hole functional unit at least includes at least two hole functional layers, and any hole functional layer includes a second functional layer for injecting holes and a third functional layer for transporting holes which are stacked along a direction away from the first electrode.

公开(公告)号：US20220336556A1

公开(公告)日：2022-10-20

申请号：US17763212

申请日：2021-05-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qing WANG ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Dacheng ZHANG

IPC: H01L27/32 ,  H01L51/56

Abstract: A display substrate, comprising: a plurality of first electrodes having a planar middle part which are located on a planarization layer of a driving backplane, a spacing groove exposing a planar surface of the planarization layer being provided between two adjacent first electrodes; an electric leakage blocking layer located on a first electrode layer and located between two adjacent first electrodes, the electric leakage blocking layer being provided with a blocking groove corresponding to the spacing groove and exposing the planar surface of the planarization layer, and the electric leakage blocking layer being overlapped on the surface of the middle part on at least one side; and a light-emitting functional layer located at the side of the electric leakage blocking layer and the first electrode layer away from the driving backplane.

公开(公告)号：US20220115469A1

公开(公告)日：2022-04-14

申请号：US17264446

申请日：2020-04-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuanta HUANG ,  Hui TONG ,  Xiong YUAN ,  Xiaobin SHEN ,  Yu WANG ,  Qing WANG ,  Shipeng LI ,  Chao YANG ,  Shangquan SHI ,  Yongfa DONG ,  Dongsheng LI

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

Abstract: A display panel includes a substrate, a planarization layer disposed at a side of the substrate being provided with partitioning slots to form driving areas in an array; a first electrode layer on the planarization layer having first electrodes; wherein orthographic projections of the first electrodes on the planarization layer are within the driving areas; each of the first electrodes includes a planar center portion and an edge portion, the edge portion includes a planarization portion surrounding the center portion and a slope portion connected between the center portion and the planarization portion; a pixel definition layer on the planarization layer that exposes part of the center portion; a light-emitting functional layer covering the pixel definition layer, the center portion being exposed by the pixel definition layer and the planarization layer and a second electrode covering the light-emitting functional layer.

公开(公告)号：US20200211477A1

公开(公告)日：2020-07-02

申请号：US16814119

申请日：2020-03-10

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weilin LAI ,  Yucheng CHAN ,  Jianbang HUANG ,  Dachao LI ,  Shengji YANG ,  Pengcheng LU ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Xue DONG ,  Hui WANG ,  Yanming WANG ,  Chen XU ,  Dacheng ZHANG ,  Yongfa DONG ,  Qing WANG ,  Hui TONG ,  Yunlong LI

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3258 ,  H01L27/32

Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.

公开(公告)号：US20200075891A1

公开(公告)日：2020-03-05

申请号：US16378816

申请日：2019-04-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingchao ZHOU ,  Shengji YANG ,  Xiaochuan CHEN ,  Qing WANG ,  Luyang ZHOU

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

Abstract: The present disclosure provides a light emitting device and a method for manufacturing the same, and a display device, and relates to the field of display technology. The light emitting device includes: a light emitting unit; an encapsulating layer located on one side of the light emitting unit, wherein the encapsulating layer includes a reflective layer; an adhesive layer located on one side of the encapsulating layer away from the light emitting unit, wherein the adhesive layer includes an adhesive material; and a color filter layer located on one side of the adhesive layer away from the encapsulating layer, wherein the reflective layer is configured to reflect a light that cures the adhesive material.

公开(公告)号：US20200075882A1

公开(公告)日：2020-03-05

申请号：US16399875

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qing WANG ,  Shengji YANG ,  Xiaochuan CHEN

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

Abstract: Provided is a display substrate, a method for preparing the same, and a display device. The display substrate includes a plurality of display elements arranged on a base substrate and a heat dissipation layer arranged between the substrate and the plurality of display elements, in which an electrode of at least one of the plurality of display elements is connected to the heat dissipation layer via at least one heat conducting structure.