Fluorescent lamp having a longitudinal stripe of phosphor on out

Fluorescent lamp having a multi-layer phosphor optimized for lum

Fluorescent lamp having a single composite phosphor layer

Fluorescent lamp having a spacer between glass tubes

Fluorescent lamp having additional and interior fluorescent surf

Fluorescent lamp having an external electrode on the outer surfa

Fluorescent lamp having auxiliary anodes

Fluorescent lamp having bent portions and its manufacturing...

Fluorescent lamp having conductive film and protective film ther

Fluorescent lamp having double phosphor layer

Fluorescent lamp having electrically conductive coating and a pr

Fluorescent lamp having high color rendering index

Fluorescent lamp having high resistance conductive coating adjac

Fluorescent lamp having implanted amalgamative metal for mercury

Fluorescent lamp having improved barrier layer

Fluorescent lamp having improved barrier layer

Fluorescent lamp having improved maintenance

Fluorescent lamp having indium oxide conductive coating and a pr

Fluorescent lamp having integral light-filtering means and start

Fluorescent lamp having integral mercury-vapor pressure control