Phosphor based light sources having a non-planar long pass...
Phosphor based light sources having a non-planar long pass...
Plastics skirt for rigidly interconnecting metallic base and gla
Polarized light emitting device
Polarized light producing lamp apparatus that uses low temperatu
Precision tubulation for self mounting lamp
Pressure relief hole seal for a sealed-beam headlamp
Probe stabilized arc discharge lamp
Projector lamp emitting color light