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. 17, 2025
Filed:
Aug. 23, 2022
Applicant:
Lumineq Oy, Espoo, FI;
Inventor:
Jani Holopainen, Espoo, FI;
Assignee:
LUMINEQ OY, Espoo, FI;
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/02 (2006.01); H05B 33/10 (2006.01);
U.S. Cl.
CPC ...
H05B 33/02 (2013.01); H05B 33/10 (2013.01);
Abstract
An inorganic thin film electroluminescent display element having a layer structure comprising: a first dielectric layer, a luminescent layer, comprising a luminescent material, on the first dielectric layer, and a second dielectric layer on the luminescent layer. Each of the first and the second dielectric layers comprises nanolaminate with alternating aluminum oxide AlOand hafnium oxide HfOsub-layers, the nanolaminate having at least two sub-layers of both types and a thickness of less than or equal to 300 nm.