Eccentric planar fluorescent tube

Efficient large area multi-channel flat fluorescent lamp

Efficient UV-emitting phosphors based on cerium-activated calciu

Electric discharge lamp and luminescent material and compound

Electric gas discharge lamp having two superposed luminescent la

Electric lamp having an undercoat for increasing the light outpu

Electric lamp having fluorescent lamp colors containing a wide b

Electric lamp with a threaded electrode

Electric lamp with composite safety coating and process of manuf

Electric light bulb

Electrode device for electric discharge tube

Electrode for external electrode fluorescent lamp providing impr

Electrodeless discharge lamp

Electrodeless discharge lamp

Electrodeless discharge lamp

Electrodeless discharge lamp and apparatus to prevent...

Electrodeless fluorescent lamp

Electrodeless fluorescent lamp

Electrodeless fluorescent lamp having a reduced run-up time

Electrodeless fluorescent lamp with cold spot control