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:
Feb. 22, 2022
Filed:
Mar. 19, 2020
Applicant:
Hamamatsu Photonics K.k., Hamamatsu, JP;
Inventors:
Takahiko Yamanaka, Hamamatsu, JP;
Shigeo Hara, Hamamatsu, JP;
Assignee:
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); A61B 5/00 (2006.01); G01J 3/28 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5271 (2013.01); A61B 5/0071 (2013.01); A61B 5/0075 (2013.01); G01J 3/28 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 51/5284 (2013.01);
Abstract
An organic EL elementincludes a light emitting layercontaining an organic light emitting material, a light shielding electrodebeing arranged on one surfaceside of the light emitting layera light transmissive electrodebeing arranged on the other surfaceside of the light emitting layera reflection filterbeing arranged on a side opposite to the light emitting layerwith respect to the light transmissive electrodeand selectively reflecting a light Lfrom the light emitting layer