公开(公告)号：US11587988B2

公开(公告)日：2023-02-21

申请号：US16958931

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L27/32 ,  H01L51/56 ,  G02B5/20 ,  G02B1/04 ,  C09D133/04 ,  C09D7/41 ,  C09D5/00 ,  C08K5/00 ,  C08K5/56 ,  C08K5/3417

Abstract: A preparation method of a color film layer, a display substrate and a preparation method thereof. The display substrate includes a bearing layer and repeating units, each repeating unit including a green film layer, a red film layer and a blue film layer, which are provided on the bearing layer and directly contacting a first surface of the bearing layer. On a plane parallel to the first surface of the bearing layer, in each repeating unit, the red film layer is provided on a first side of the green film layer, the blue film layer is provided on a second side of the green film layer opposite to the first side; one of the red film layer and the blue color film layer covers part of the green film layer; one part of the green film layer does not overlap with the red film layer and the blue film layer.

公开(公告)号：US11882731B2

公开(公告)日：2024-01-23

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: H10K59/122 ,  H10K50/844 ,  H10K71/00 ,  H10K59/80

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

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：US20220006062A1

公开(公告)日：2022-01-06

申请号：US16959480

申请日：2019-08-23

Applicant: BOE Technology Group Co., Ltd.

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

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

Abstract: A light-emitting diode (LED) display panel, a manufacturing method thereof, and an organic light-emitting diode (OLED) display device are disclosed. The LED display panel includes: a base substrate; and a plurality of sub-pixels, a color resistance layer and a light-shielding structure located on the base substrate. The base substrate includes a display region and a periphery region; the sub-pixels are located in the display region; the light-shielding structure is an annular structure located in the periphery region. The light-shielding structure includes a first light-shielding structure and a second light-shielding structure located at a side of the first light-shielding structure away from the base substrate, a second orthographic projection of the second light-shielding structure on the base substrate is located within a first orthographic projection of the first light-shielding structure on the base substrate, and the first orthographic projection is not completely coincident with the second orthographic projection.

公开(公告)号：US12029060B2

公开(公告)日：2024-07-02

申请号：US17258473

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yu Wang ,  Kuanta Huang ,  Hui Tong ,  Xiaobin Shen ,  Xiong Yuan

IPC: H10K50/15 ,  H10K59/12 ,  H10K71/00 ,  H10K50/813 ,  H10K102/00

CPC classification number: H10K50/15 ,  H10K59/12 ,  H10K71/00 ,  H10K50/813 ,  H10K59/1201 ,  H10K2102/351

Abstract: A display panel includes: a driving substrate, a plurality of first electrodes, a hole transport layer, an organic light emitting layer, a second electrode layer and a color film layer. The hole transport layer includes a first portion and a second portion, the first portion is disposed between adjacent ones of the plurality of first electrodes and is located on a surface of the driving substrate; the second portion is disposed on a surface of each of the first electrodes away from the driving substrate; a minimum distance between an upper surface of the first portion away from the driving substrate and the driving substrate is smaller than an minimum distance between an upper surface of the second portion away from the driving substrate and the driving substrate.

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：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：US11495775B2

公开(公告)日：2022-11-08

申请号：US16959400

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qing Wang ,  Kuanta Huang ,  Xiaochuan Chen ,  Yongfa Dong ,  Xiong Yuan ,  Dongsheng Li ,  Hui Tong

IPC: H01L51/10 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A light-emitting device, a method of manufacturing the same and an electronic apparatus. The light-emitting device includes a silicon-based base substrate; at least one organic light-emitting diode device at the silicon-based base substrate; a first encapsulation layer, at a side of the at least one organic light-emitting diode device away from the silicon-based base substrate and including one or more sublayers; a color filter layer, at a side of the first encapsulation layer away from the at least one organic light-emitting diode device; and a second encapsulation layer, at a side of the color filter layer away from the first encapsulation layer and including one or more sublayers. A refractive index of at least one sublayer in the first encapsulation layer is greater than a refractive index of at least one sublayer in the second encapsulation layer.