Invention Grant
- Patent Title: Organic electroluminescence display device
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Application No.: US18407374Application Date: 2024-01-08
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Publication No.: US12225750B2Publication Date: 2025-02-11
- 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
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: KR10-2018-0047519 20180424
- 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
- US20240147755A1 ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE Public/Granted day:2024-05-02
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