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:
Oct. 22, 2019
Filed:
Mar. 28, 2018
Applicant:
Japan Display Inc., Minato-ku, JP;
Inventor:
Hironori Toyoda, Minato-ku, JP;
Assignee:
Japan Display Inc., Minato-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01); H01L 51/56 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/506 (2013.01); H01L 51/002 (2013.01); H01L 51/5064 (2013.01); H01L 51/56 (2013.01); H01L 27/3211 (2013.01); H01L 27/3246 (2013.01); H01L 2227/323 (2013.01);
Abstract
To provide a display device including a plurality of pixels; a light emitting element layer formed across the plurality of pixels; and a bank formed so as to separately define adjacent pixels among the plurality of pixels, wherein the light emitting element layer includes a p-doped hole transport layer containing p-dopant, and the p-doped hole transport layer is formed on each of the pixels such that the p-doped hole transport layers on the respective adjacent pixels are separated from each other on the bank.