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:
Jan. 28, 2014
Filed:
Apr. 23, 2012
Alan W. Weimer, Niwot, CO (US);
Steven M. George, Boulder, CO (US);
Karen J. Buochler, Westminster, CO (US);
Joseph A. Spencer, Ii, Longmont, CO (US);
Jarod Mccormick, Boulder, CO (US);
Alan W. Weimer, Niwot, CO (US);
Steven M. George, Boulder, CO (US);
Karen J. Buochler, Westminster, CO (US);
Joseph A. Spencer, II, Longmont, CO (US);
Jarod McCormick, Boulder, CO (US);
Other;
Abstract
Layers of a passivating material and/or containing luminescent centers are deposited on phosphor particles or particles that contain a host material that is capable of capturing an excitation energy and transferring it to a luminescent center or layer. The layers are formed in an ALD process. The ALD process permits the formation of very thin layers. Coated phosphors have good resistance to ambient moisture and oxygen, and/or can be designed to emit a distribution of desired light wavelengths.