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.

Date of Patent:
Nov. 03, 2020

Filed:

Oct. 07, 2019
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Kohei Kurata, Tokyo, JP;

Satoshi Maruyama, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5012 (2013.01); H01L 27/1222 (2013.01); H01L 27/1225 (2013.01); H01L 27/1248 (2013.01); H01L 27/32 (2013.01); H01L 27/3258 (2013.01); H01L 27/3262 (2013.01); H01L 51/52 (2013.01);
Abstract

A display device according to the present invention includes a substrate, and a plurality of pixels arranged in the substrate, wherein each of the plurality of pixels includes a light emitting element, a first transistor, a second transistor, a first insulation layer and a second insulation layer, the first transistor includes a first semiconductor layer, the second transistor includes a second semiconductor layer, the first insulation layer is arranged across the plurality of pixels between the first semiconductor layer and the second semiconductor layer, the second insulation layer is arranged between the first insulation layer and the second semiconductor layer, the first semiconductor layer is arranged on the substrate side sandwiching the first insulation layer with respect to the second semiconductor layer, the first insulation layer includes a silicon oxide layer; and the second insulation layer includes an aluminum oxide layer.


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