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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 12364129 B1

PDFFull Text
Date of Patent:
Jul. 15, 2025

Filed:

Mar. 10, 2021

Organic light-emitting display device

Applicant:

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

Inventors:

Jin Young Choi, Hwaseong-si, KR;

Sang Hoon Yim, Suwon-si, KR;

Dong Hoon Kim, Suwon-si, KR;

Jin Sook Bang, Hwaseong-si, KR;

Jin Wook Jeong, Asan-si, KR;

Eun Jeong Hong, Seoul, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Erik Kielin

Int. Cl.
CPC ...
H10K 59/35 (2023.01); H10K 50/12 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/80 (2023.01); H10K 101/20 (2023.01);
U.S. Cl.
CPC ...
H10K 59/35 (2023.02); H10K 50/12 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/17 (2023.02); H10K 59/876 (2023.02); H10K 2101/20 (2023.02);
Abstract

An organic light-emitting display device includes: a plurality of pattern electrodes; a hole-transporting layer disposed on the plurality of pattern electrodes; a plurality of emission layers disposed on the hole-transporting layer and overlapping the plurality of pattern electrodes, respectively; a common electrode disposed on the emission layers; and a first auxiliary layer disposed between a first one of the pattern electrodes and a first one of the emission layers, wherein the first emission layer forms an interface with the hole-transporting layer or the first auxiliary layer, the interface having a hole barrier equal to or less than about 0.1 eV, wherein the hole-transporting layer and the first auxiliary layer have a hole mobility equal to or less than about 1.0×10cm/V·s.

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