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 12701868 B1

Date of Patent:

Aug. 04, 2026

Filed:

Feb. 09, 2024

Display device

Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Hayata Aoki, Tokyo, JP;

Jun Nitta, Tokyo, JP;

Marina Mochizuki, Tokyo, JP;

Assignee:

JAPAN DISPLAY INC., Tokyo, JP;

Attorney:

XSENSUS LLP

Primary Examiner:

Scott B Geyer

Int. Cl.

CPC ...

H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/126 (2023.01); H10K 59/80 (2023.01);

U.S. Cl.

CPC ...

H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/126 (2023.02); H10K 59/871 (2023.02); H10K 59/8723 (2023.02);

Abstract

According to one embodiment, a display device includes a plurality of pixels including a first pixel, a second pixel and a third pixel, each of the plurality of pixels include, an anode, an organic EL layer provided on the anode, at least one set of sidewall pairs provided to cover a side surface of the organic EL layer and a cathode provided in an opening portion of the bank and in contact with the organic EL layer. The at least one set of side wall pairs includes a first sidewall formed of aluminum oxide and a second sidewall formed of silicon nitride. The first pixel includes at least two sets of the side wall pairs, and the second pixel includes at least one set of the sidewall pair.

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