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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 11744106 B1

PDFFull Text
Date of Patent:
Aug. 29, 2023

Filed:

Sep. 04, 2020

Light-emitting device

Applicant:

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

Inventor:

Hojung Syn, Yongin-si, KR;

Assignee:

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

Attorney:

H.C. Park & Associates, PLC

Primary Examiner:

Daniel P Shook

Int. Cl.
CPC ...
H10K 50/858 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 101/10 (2023.01); H10K 102/00 (2023.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
H10K 50/858 (2023.02); C09K 11/06 (2013.01); H10K 85/324 (2023.02); H10K 85/342 (2023.02); H10K 85/631 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02); H10K 2102/3026 (2023.02);
Abstract

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer; wherein the interlayer further includes: a layer A including an oxide of an inorganic compound; a layer B adjacent to an upper portion of the layer A and including an oxide of an inorganic compound; and a layer C adjacent to a lower portion of the layer A and including an oxide of an inorganic compound, and relationships between a refractive index a of the layer A, a refractive index b of the layer B, and a refractive index c of the layer C satisfy the Equations (1) and (2) defined herein.

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