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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 11844231 B1

PDFFull Text
Date of Patent:
Dec. 12, 2023

Filed:

Aug. 09, 2021

Display device

Applicant:

Japan Display Inc., Tokyo, JP;

Inventor:

Heisuke Kanaya, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

Hsien Ming Lee

Int. Cl.
CPC ...
H01L 29/786 (2006.01); H10K 50/842 (2023.01); H01L 29/423 (2006.01); H01L 27/12 (2006.01); H10K 50/13 (2023.01); H10K 50/15 (2023.01); H10K 50/84 (2023.01); H10K 50/16 (2023.01); H10K 50/828 (2023.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01); H10K 59/124 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/8426 (2023.02); H01L 27/1248 (2013.01); H01L 29/42384 (2013.01); H01L 29/78666 (2013.01); H01L 29/78669 (2013.01); H10K 50/13 (2023.02); H10K 50/15 (2023.02); H10K 50/167 (2023.02); H10K 50/828 (2023.02); H10K 50/84 (2023.02); H10K 50/844 (2023.02); H10K 59/121 (2023.02); H10K 59/124 (2023.02); H10K 59/1213 (2023.02); H10K 77/111 (2023.02); H10K 2102/311 (2023.02); Y02E 10/549 (2013.01);
Abstract

A display device includes a substrate, a plurality of pixels above the substrate, each of the pixels including a light emitting element, a display region including the plurality of pixels, a thin film transistor which each of the plurality of pixels includes, a protective film including a first inorganic insulating material and located between the thin film transistor and the light emitting element, a sealing film including a second inorganic insulating material and covering the light emitting element, and at least one through hole located in the display region and passing through the substrate, the protective film, and the sealing film, wherein the second inorganic insulating material is in direct contact with the protective film in a first region located between the through hole and the pixels.

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