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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 11832467 B1

PDFFull Text
Date of Patent:
Nov. 28, 2023

Filed:

Apr. 06, 2021

Light-emitting device and electronic apparatus including the same

Applicant:

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

Inventors:

Hyosup Shin, Yongin-si, KR;

Tsuyoshi Naijo, Yongin-si, KR;

Hyunyoung Kim, Yongin-si, KR;

Dongyoun Yoo, Yongin-si, KR;

Jiyoung Lee, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Gregory D Clark

Int. Cl.
CPC ...
H10K 50/12 (2023.01); H10K 59/12 (2023.01); H10K 59/38 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 101/30 (2023.01); H10K 101/20 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/121 (2023.02); H10K 59/12 (2023.02); H10K 59/38 (2023.02); H10K 85/322 (2023.02); H10K 85/342 (2023.02); H10K 85/6572 (2023.02); H10K 2101/20 (2023.02); H10K 2101/30 (2023.02); H10K 2101/80 (2023.02);
Abstract

A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.

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