Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Load children
61/00
Gas-discharge or vapour-discharge lamps
Load children Filter patents View analytics View as hierarchy
H01J61/38
Devices for influencing the colour or wavelength of the light
Load children Filter patents View analytics View as hierarchy
H01J61/42
by transforming the wavelength of the light by luminescence
Load children Filter patents View analytics View as hierarchy
H01J61/48
Separate coatings of different luminous materials
Filter patents View analytics View as hierarchy