logo

For the Inventor, By the Inventor

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 12696684 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Aug. 31, 2022

Light emitting device and display device comprising the same

Applicant:

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

Inventors:

Seul Ong Kim, Cheonan-si, KR;

Yoonseok Ka, Seoul, KR;

Ha Jin Song, Hwaseong-si, KR;

Hakchoong Lee, Hwaseong-si, KR;

Jae Hoon Hwang, Seoul, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Vu A Nguyen

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 403/04 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/19 (2023.01); H10K 59/12 (2023.01); H10K 101/30 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 403/04 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/654 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/19 (2023.02); H10K 59/12 (2023.02); H10K 2101/30 (2023.02); H10K 2102/351 (2023.02);
Abstract

An embodiment of the present invention provides a light-emitting device including: a first electrode; a second electrode configured to overlap the first electrode; m emission units positioned between the first electrode and the second electrode; and (m−1) charge generating layers disposed between adjacent emission units, wherein each of the charge generating layers includes an n-type charge generating layer and a p-type charge generating layer, and the n-type charge generating layer contains a compound represented by the following Chemical Formula 1:

Find Patent Forward Citations

Loading…