公开(公告)号：US12225750B2

公开(公告)日：2025-02-11

申请号：US18407374

申请日：2024-01-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jungjin Yang ,  Myunghwan Kim ,  Seohyun Kim ,  Ji-young Kim ,  Jinwoo Park ,  Wonjun Song ,  Taewoong Yoo ,  Soojung Youn ,  Kwanhee Lee ,  Seokjae Lee

IPC: H10K50/805 ,  H10K50/15 ,  H10K50/16 ,  H10K59/32

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

公开(公告)号：US11545643B2

公开(公告)日：2023-01-03

申请号：US17352111

申请日：2021-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jungjin Yang ,  Myunghwan Kim ,  Seohyun Kim ,  Ji-young Kim ,  Jinwoo Park ,  Wonjun Song ,  Taewoong Yoo ,  Soojung Youn ,  Kwanhee Lee ,  Seokjae Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

公开(公告)号：US11871597B2

公开(公告)日：2024-01-09

申请号：US18148194

申请日：2022-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jungjin Yang ,  Myunghwan Kim ,  Seohyun Kim ,  Ji-young Kim ,  Jinwoo Park ,  Wonjun Song ,  Taewoong Yoo ,  Soojung Youn ,  Kwanhee Lee ,  Seokjae Lee

IPC: H10K50/15 ,  H10K50/16 ,  H10K59/32 ,  H10K50/805

CPC classification number: H10K50/805 ,  H10K50/15 ,  H10K50/16 ,  H10K59/32

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

公开(公告)号：US11043649B2

公开(公告)日：2021-06-22

申请号：US16383362

申请日：2019-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jungjin Yang ,  Myunghwan Kim ,  Seohyun Kim ,  Ji-young Kim ,  Jinwoo Park ,  Wonjun Song ,  Taewoong Yoo ,  Soojung Youn ,  Kwanhee Lee ,  Seokjae Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.