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 12144202 B1

Date of Patent:

Nov. 12, 2024

Filed:

Aug. 02, 2023

Method of manufacturing display device

Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Yuko Matsumoto, Tokyo, JP;

Kaichi Fukuda, Tokyo, JP;

Assignee:

JAPAN DISPLAY INC., Tokyo, JP;

Attorney:

XSENSUS LLP

Primary Examiner:

Dzung Tran

Int. Cl.

CPC ...

H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 59/80 (2023.01);

U.S. Cl.

CPC ...

H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/352 (2023.02); H10K 59/873 (2023.02);

Abstract

According to one embodiment, in a manufacturing method of a display device, a first lower electrode, a second lower electrode and a third lower electrode are formed. A rib having first aperture overlapping the first lower electrode, a second aperture overlapping the second lower electrode, and a third aperture overlapping the third lower electrode is formed. A first thin film including a first light emitting layer is formed on the first lower electrode. A second thin film including a second light emitting layer is formed on the second lower electrode. An area of the first aperture is larger than an area of the second aperture.

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