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US 7,118,438 B2Granted
Methods of making phosphor based light sources having an interference reflector
Assignee3M Innovative Properties Company
InventorsAndrew J. Ouderkirk, Michael F. Weber, John A. Wheatley
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Abstract
A method of manufacturing a light source includes the steps of providing a first flexible sheet that includes a first multilayer interference reflector, providing a carrier film to carry the reflector, dividing the reflector into individual pieces carried by the carrier film, and positioning at least one of the individual pieces proximate an LED capable of emitting light that excites a phosphor material.
Claims16
A method of manufacturing a light source, comprising the steps of:
- providing a first flexible sheet comprising a first multilayer interference reflector;
- providing a carrier film to carry the reflector;
- dividing the reflector into individual pieces carried by the carrier film;
- and
- positioning at least one of the individual pieces proximate an LED capable of emitting light that excites a phosphor material.
2 more elements
Dependencies are inferred from the claim text.