LED lighting system with reflective board

Details LED lighting system with reflective board LED lighting system with reflective board

2007-03-19

2008-10-07

Alavi, Ali (Department: 2875)

Illumination

Light source and modifier

Including reflector

C362S247000, C362S800000

Reexamination Certificate

active

07431479

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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“Scotchlite Permanent Sign Sheeting and Film,” 3M Electronics Manufacturing IPC, pp. 1-12, (2000).
“Vikuiti Enhanced Specular Reflector Film,” 3M Electronics Manufacturing, at http://products3.3m.com, Jun. 3, 2004.

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