公开(公告)号：US12127477B2

公开(公告)日：2024-10-22

申请号：US17329903

申请日：2021-05-25

申请人： Samsung Display Co., Ltd.

发明人： Jiyoung Song ,  Seulong Kim ,  Pilgu Kang ,  Eungyoung Park ,  Hajin Song ,  Hyekyun Lee ,  Soonchul Chang ,  Dongseob Jeong ,  Yangjin Cho ,  Jina Hur

IPC分类号： H01L51/00 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10

CPC分类号： H10K85/654 ,  H10K85/342 ,  H10K85/346 ,  H10K85/40 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/10

摘要： An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission region between the first electrode and the second electrode and including a first emission layer and a second emission layer; and a hole blocking layer between the first emission layer and the first electrode, or between the second emission layer and the second electrode, wherein the second emission layer may be between the first emission layer and the hole blocking layer, the first emission layer may include a first host and a first light-emitting material, the second emission layer may include a second host and a second light-emitting material, and the first light-emitting material and the second light-emitting material may respectively be included in the first emission layer and the second emission layer at an identical ratio.

公开(公告)号：US11925045B2

公开(公告)日：2024-03-05

申请号：US16881591

申请日：2020-05-22

申请人： Samsung Display Co., Ltd.

发明人： Seulong Kim ,  Taekyung Kim ,  Pilgu Kang ,  Jiyoung Kwon ,  Eungyoung Park ,  Jiyoung Song ,  Soon-Chul Chang ,  Dongseob Jeong

IPC分类号： H10K50/13 ,  H10K50/18 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/805 ,  H10K59/32

CPC分类号： H10K50/13 ,  H10K50/156 ,  H10K50/157 ,  H10K50/166 ,  H10K50/171 ,  H10K50/18 ,  H10K50/805 ,  H10K59/32

摘要： A light emitting device includes a first electrode, a first stack on the first electrode, a first charge generation layer on the first stack, a second stack on the first charge generation layer, and a second electrode on the second stack. The first stack includes a first light emitting layer and a plurality of first organic layers, and the second stack includes a second light emitting layer and a plurality of second organic layers. Among the plurality of first organic layers and the plurality of second organic layers, at least one of organic layers adjacent to the first light emitting layer and the second light emitting layer includes a light emitting material.

公开(公告)号：US20230005994A1

公开(公告)日：2023-01-05

申请号：US17556031

申请日：2021-12-20

申请人： Samsung Display Co., Ltd.

发明人： Seulong Kim ,  Eungyoung Park ,  Jiyoung Song ,  Hajin Song ,  Jaehoon Hwang

IPC分类号： H01L27/32 ,  C09K11/06 ,  H01L51/00

摘要： A display apparatus, comprising a substrate; a light-emitting device layer arranged on the substrate, wherein the light-emitting device layer comprises a first, second, and third areas, and at least one light-emitting device emitting a first light; and a color conversion layer arranged on the light-emitting device layer, wherein the color conversion layer comprises first, second, and third color conversion areas, wherein the first color conversion area emits a first color light, the second color conversion area emits a second color light, the third color conversion area emits a third color light, a maximum emission wavelength of the first, second, and third color lights are greater than a maximum emission wavelength of the first light, a color of the third color light is identical to that of the first light, and the maximum emission wavelength of the third color light is greater than the maximum emission wavelength of the first light.