Illumination – Edge lighted panel – Light modifier for edge lit light source
Reexamination Certificate
2008-05-27
2008-05-27
O'Shea, Sandra (Department: 2875)
Illumination
Edge lighted panel
Light modifier for edge lit light source
C362S560000, C362S616000
Reexamination Certificate
active
07377679
ABSTRACT:
An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and an interference reflector positioned such that the emissive material is between the output surfaces of the light guides and the interference reflector is disclosed. The light source emits light having a first optical characteristic. The emissive material emits light having a second optical characteristic when illuminated with light having the first optical characteristic. The interference reflector substantially transmits light having the second optical characteristic and substantially reflects light having the first optical characteristic.
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Epstein Kenneth A.
Ouderkirk Andrew J.
Schardt Craig R.
Schultz John C.
Watson James E.
3M Innovative Properties Company
Cranson James W
O'shea Sandra
Pralle Jay R.
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