Invention Publication
- Patent Title: ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE
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Application No.: US18407374Application Date: 2024-01-08
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Publication No.: US20240147755A1Publication Date: 2024-05-02
- Inventor: Jungjin YANG , Myunghwan KIM , Seohyun KIM , Ji-young KIM , Jinwoo PARK , Wonjun SONG , Taewoong YOO , Soojung YOUN , Kwanhee LEE , Seokjae LEE
- Applicant: SAMSUNG DISPLAY CO., LTD.
- Applicant Address: KR Yongin-si
- Assignee: SAMSUNG DISPLAY CO., LTD.
- Current Assignee: SAMSUNG DISPLAY CO., LTD.
- Current Assignee Address: KR Yongin-si
- Priority: KR 20180047519 2018.04.24
- Main IPC: H10K50/805
- 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.
Public/Granted literature
- US12225750B2 Organic electroluminescence display device Public/Granted day:2025-02-11
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