Lamp having interference film

Lamp having multi-colored radiant output

Lamp having opaque coating

Lamp having silica protective coating

Lamp method and apparatus using multiple reflections

Lamp reflecting mirror comprising polyphenylene sulfide, calcium

Lamp that emits colored light

Lamp vessel for multiple lamp types

Lamp with a captured reflector and method of manufacture

Lamp with coating for absorption of ultraviolet light

Lamp with improved photometric distribution

Lamp with IR reflecting film and light-scattering coating

Lamp with IR reflectivity

Lamp with light reflection back into bulb

Lamp with light reflection back into bulb

Lamp/reflector unit

Lamp/reflector unit

Lamp/reflector unit

LED device having improved contrast

LED light source with field-of-view-controlling optics