公开(公告)号：US20250113704A1

公开(公告)日：2025-04-03

申请号：US18729992

申请日：2023-09-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui ZHOU ,  Yansong LI ,  Xiaobo DU ,  Guanyin WEN ,  Lihui MA

IPC: H10K50/19

Abstract: A light-emitting device includes a first electrode and a second electrode opposite to each other, and at least two light-emitting units in a stack between the first electrode and the second electrode. The light-emitting device further includes a charge generation unit between adjacent light-emitting units. The charge generation unit includes a first charge generation unit and a second charge generation unit sequentially arranged in a direction from the second electrode to the first electrode. The first charge generation unit is made of a material including a first host material, and a first guest material doped in the first host material, the first charge generation unit is configured to generate a first charge, and the first guest material is configured to absorb light emitted from the light-emitting units to cause the first charge generation unit to generate the first charge.

公开(公告)号：US20250098403A1

公开(公告)日：2025-03-20

申请号：US18577163

申请日：2023-03-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengfei ZUO ,  Guanyin WEN ,  Yanjun HAO ,  Hui ZHOU ,  Qixiao WU ,  Huameng LIU

IPC: H10K50/19 ,  H10K50/13 ,  H10K59/12 ,  H10K59/122 ,  H10K102/00

Abstract: A display panel, including a substrate, and a first electrode, at least two emission functional layers and a second electrode sequentially stacked on a side of the substrate, where for any two adjacent emission functional layers, one close to the substrate includes a first hole transport layer, a first emission layer, a first electron transport layer, and an N-type charge generation layer sequentially stacked away from the substrate, and the other away from the substrate includes a P-type charge generation layer, a second hole transport layer, a second emission layer, and a second electron transport layer sequentially stacked away from the N-type charge generation layer; the first electron transport layer has a thickness ranging from 3 nm to 10 nm; the first electron transport layer includes first, second and third subportions; and the first subportion has a thickness smaller than those of the second and third subportions.

公开(公告)号：US20230320125A1

公开(公告)日：2023-10-05

申请号：US17627091

申请日：2021-04-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui ZHOU

IPC: H10K50/828 ,  H10K50/822 ,  H10K71/60 ,  H10K50/19

CPC classification number: H10K50/828 ,  H10K50/822 ,  H10K71/611 ,  H10K50/19

Abstract: The present disclosure provides a conductive film, an organic electroluminescence device, a display device and a method. The conductive film includes a matrix and conductive metal nano-ions distributed in the matrix the matrix is selected from at least one of an organic network polymer, an organic porous polymer, and an inorganic porous material.

公开(公告)号：US20240389379A1

公开(公告)日：2024-11-21

申请号：US18693532

申请日：2023-07-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui ZHOU ,  Yansong LI ,  Xiaobo DU ,  Guanyin WEN ,  Shuyun XU

IPC: H10K50/19 ,  H10K50/16 ,  H10K50/165 ,  H10K85/30 ,  H10K101/30 ,  H10K101/40

Abstract: Disclosed is a light-emitting device including a first electrode; a second electrode; a plurality of light-emitting units; and a charge separation/generation unit disposed between adjacent light-emitting units. Each charge separation/generation unit includes a first charge transmission sub-unit, a first charge generation sub-unit, a second charge generation sub-unit, and a second charge transmission sub-unit, sequentially arranged in a direction from the first electrode to the second electrode, the charge separation/generation unit satisfies that a transmittance is greater than 50% for visible light having a wavelength ranging from 380 nm to 480 nm, satisfies that a transmittance is greater than 70% for visible light having a wavelength ranging from 480 nm to 580 nm, and satisfies that a transmittance is greater than 75% for visible light having a wavelength ranging from 580 nm to 680 nm.

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.