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. 13, 2024
Filed:
Mar. 19, 2019
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Hannah Stephanie Mangold, Ludwigshafen, DE;
Sorin Ivanovici, Ludwigshafen, DE;
Martin Koenemann, Ludwigshafen, DE;
Siang Fu Hong, Taoyuan, TW;
Chia Wei Tsai, Taipei, TW;
Yen Te Lee, Taoyuan, TW;
Wei Cheng Chou, Taoyuan, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); C09K 11/02 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C09K 11/02 (2013.01); H01L 33/502 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); H01L 2933/0091 (2013.01);
Abstract
A yellow light emitting device may have a light source and a color converter wherein at most 1% of the total emitted radiant power of the yellow light emitting device is emitted in a wavelength range shorter than 520 nm, as well as the use of the yellow light emitting device.