Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Elliot Stecher0
Stanton Earl Weaver, Jr.0
Date of Patent
October 7, 2008
0Patent Application Number
117254100
Date Filed
March 19, 2007
0Patent Primary Examiner
Patent abstract
A light emitting apparatus (8) includes one or more light emitting chips (10) that are disposed on a printed circuit board (12) and emit light predominantly in a wavelength range between about 400 nanometers and about 470 nanometers. The printed circuit board includes: (i) an electrically insulating board (14); (ii) electrically conductive printed circuitry (20); and (iii) an electrically insulating solder mask (22) having vias (24) through which the one or more light emitting chips electrically contact the printed circuitry. The solder mask (22) has a reflectance of greater than 60% at least between about 400 nanometers and about 470 nanometers.
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