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.:
Date of Patent:
Jun. 15, 2021
Filed:
Jan. 19, 2018
Applicant:
Sony Corporation, Tokyo, JP;
Inventor:
Kazuichiro Itonaga, Tokyo, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5209 (2013.01); H01L 27/3258 (2013.01); H01L 51/5004 (2013.01); H01L 51/56 (2013.01);
Abstract
There is provided a display device capable of decreasing a drive voltage. A display device includes: a first electrode provided for each of a plurality of light emitting elements arranged on a flat surface; at least two or more kinds of inorganic insulating layers which separate each of the light emitting elements and have different concentrations of hydroxy groups on surfaces of the layers; an organic light emitting layer provided on the first electrode and the two or more kinds of inorganic insulating layers; and a second electrode provided on the organic light emitting layer.