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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 12284879 B1

PDFFull Text
Date of Patent:
Apr. 21, 2025

Filed:

Nov. 10, 2022

Display device having a tapered partition wall and method of manufacturing the same

Applicant:

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

Inventors:

Hyun Min Cho, Hwaseong-si, KR;

Tae Wook Kang, Seongnam-si, KR;

Tae Sung Kim, Incheon, KR;

Dae Won Choi, Cheonan-si, KR;

Sang Gab Kim, Seoul, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Nduka E Ojeh

Int. Cl.
CPC ...
H10K 59/122 (2022.12); H10K 50/824 (2022.12); H10K 59/12 (2022.12); H10K 59/124 (2022.12); H10K 59/126 (2022.12); H10K 59/38 (2022.12);
U.S. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 50/824 (2023.01); H10K 59/124 (2023.01); H10K 59/126 (2023.01); H10K 59/38 (2023.01); H10K 59/1201 (2023.01);
Abstract

A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.

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