JOHN NAPPI
Electrician in Burlington, MA
License number
Massachusetts 13691
Issued Date
May 13, 1991
Expiration Date
Jul 31, 2019
Type
Master Electrician
Address
Address
Burlington, MA 01803
Professional information
Led Wavelength-Coverting Plate With Microlenses In Multiple Layers
US Patent:
2012007, Mar 29, 2012
Filed:
Sep 27, 2010
Appl. No.:
12/891281
Inventors:
Alan Piquette - Peabody MA, US
John Kelso - Exeter NH, US
Nathan Zink - Salem MA, US
John Nappi - Burlington MA, US
Yi Zheng - Lynnfield MA, US
Madis Raukas - Charlestown MA, US
John Kelso - Exeter NH, US
Nathan Zink - Salem MA, US
John Nappi - Burlington MA, US
Yi Zheng - Lynnfield MA, US
Madis Raukas - Charlestown MA, US
International Classification:
H01J 1/62, B05D 5/06, F21V 5/04
US Classification:
313501, 362335, 427164
Abstract:
A wavelength-converting plate for a wavelength-converted light emitting diode (LED) assembly. The wavelength-converting plate includes multiple layers of microlenses deposited thereon. The microlenses may have an index of refraction different from an index of refraction of the wavelength-converting plate.