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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12302692 B1

PDFFull Text
Date of Patent:
May. 13, 2025

Filed:

Apr. 06, 2022

Light-emitting device and electronic apparatus including the same

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Hakchoong Lee, Yongin-si, KR;

Yoonseok Ka, Yongin-si, KR;

Dongchan Kim, Yongin-si, KR;

Jiyoung Moon, Yongin-si, KR;

Hajin Song, Yongin-si, KR;

Jihwan Yoon, Yongin-si, KR;

Jaehoon Hwang, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Chuong A Luu

Int. Cl.
CPC ...
H10K 50/17 (2023.01); H10K 50/828 (2023.01); H10K 59/123 (2023.01); H10K 85/60 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/828 (2023.02); H10K 50/171 (2023.02); H10K 59/123 (2023.02); H10K 85/60 (2023.02); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 2102/351 (2023.02);
Abstract

A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×10S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×10S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.

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