公开(公告)号：US20220123057A1

公开(公告)日：2022-04-21

申请号：US17458193

申请日：2021-08-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Cheng HAN ,  Xin LI ,  Xing FAN ,  Songquan WU ,  Meng SUN ,  Erli LI

IPC: H01L27/32 ,  H01L51/56

Abstract: The application provides a manufacturing method for a display panel, a display panel, and a display device. The manufacturing method includes: providing a substrate; forming a driving circuit layer on the substrate; forming a planarization layer on the side of the driving circuit layer facing away from the substrate; forming a composite material layer on the side of the planarization layer facing away from the substrate with a polymerization-induced phase separation method to the composite material layer including a polymer and liquid crystal phase molecules dispersed in the polymer; removing the liquid crystal phase molecules in the composite material layer to obtain an auxiliary structure layer, the side of the auxiliary structure layer facing away from the substrate having a plurality of protrusion structures; and forming a pixel structure on the side of the auxiliary structure layer facing away from the substrate, wherein the auxiliary structure layer makes the pixel structure uneven, and the pixel structure includes a first electrode, an organic light emitting material, and a second electrode that are sequentially formed on the side of the auxiliary structure layer facing away from the substrate.

公开(公告)号：US20230100390A1

公开(公告)日：2023-03-30

申请号：US17798326

申请日：2021-09-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Meng SUN ,  Cheng HAN ,  Shuyun XU ,  Xiaobo DU ,  Yansong LI

IPC: H10K59/35 ,  H10K59/60 ,  H10K59/122 ,  H10K71/00

Abstract: A light-emitting device includes a first electrode, a light-emitting function pattern and a second electrode. The first electrode has at least one first depression portion. The light-emitting function pattern is disposed on the first electrode, the light-emitting function pattern covers at least the first depression portion(s), and a portion of the light-emitting function pattern covering a first depression portion is conformal to the first depression portion.

公开(公告)号：US20220238834A1

公开(公告)日：2022-07-28

申请号：US17516402

申请日：2021-11-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Meng SUN ,  Shuyun XU ,  Hui ZHOU ,  Lihui MA ,  Xiaobo DU ,  Yansong LI

IPC: H01L51/50 ,  H01L51/56

Abstract: The present application provides a light-emitting component and a method for manufacturing the same, a display substrate, and a display device. The light-emitting component comprises: an anode layer stacked on one side of a base, a first functional layer group including a plurality of functional layers, an organic light-emitting layer, a second functional layer group including a plurality of functional layers, and a cathode layer; the first functional layer group comprises a hole injection delaying layer close to the organic light-emitting layer, and the hole injection delaying layer is used for reducing a hole transport rate; and/or the second functional layer group comprises an electron injection delaying layer close to the organic light-emitting layer, and the electron injection delaying layer is used for reducing an electron transport rate.

公开(公告)号：US20230403872A1

公开(公告)日：2023-12-14

申请号：US18033494

申请日：2020-11-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lihui MA ,  Meng SUN

IPC: H10K50/11 ,  H10K50/18 ,  H10K50/15 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K50/181 ,  H10K50/15 ,  H10K85/6572

Abstract: A light-emitting device, a display panel and a display apparatus are disclosed. The light-emitting device includes an anode and a cathode arranged oppositely, and a light-emitting function layer located between the anode and the cathode; the light-emitting function layer includes a light-emitting layer, a first auxiliary function layer located between the light-emitting layer and the anode, a second auxiliary function layer located between the light-emitting layer and the cathode, and at least one co-doped layer; and a difference in material physical properties between two film layers adjacent to the co-doped layer is greater than a set value, and the co-doped layer includes a material formed by mixing materials of the two adjacent film layers.

公开(公告)号：US20230363209A1

公开(公告)日：2023-11-09

申请号：US17633589

申请日：2021-03-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Cheng HAN ,  Xin LI ,  Qixiao WU ,  Songquan WU ,  Meng SUN ,  Xing FAN ,  Yansong LI

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a pixel define layer and a post spacer disposed on a driving structure layer, wherein the post spacer is disposed on a surface of the pixel define layer at one side away from the driving structure layer, and an orthographic projection of the post spacer on a substrate is within an orthographic projection of the pixel define layer on the substrate; there is a protrusion on a surface of the post spacer at one side away from the driving structure layer, a height of the protrusion being less than 0.2 µm.