General Electric Company

Emoke Abasari

Alok Mani Srivastava

Holly Ann Comanzo

William Winder Beers

Thomas Frederick Soules

Laszlo Balazs

Laurence Bigio

Ferenc Lantos

Istvanne Cserteg

Veronika V Bobayne

There is provided an emissive mixture for cathodes of fluorescent lamps comprising a ceramic material having a formula (A Ca ) (Ta W ) O , where A is barium or a combination of barium and strontium, 0&lE;x<0.5, 0&lE;y<1, and one of x or y is greater than zero. The ratio of lamp efficacy to number of lamp starts may be improved by optimizing the amount of Ca and W present in the ceramic material.

Electrode material for fluorescent lamps

A single-ended low pressure mercury vapor discharge lamp including a lamp envelope having at least two tube portions being connected with each other and dosed with additive and gas, and a housing member made in a manner suitable for electrical and mechanical connection to a lamp holder on one end, and mechanically fixing and making electrical contact with the lamp envelope on the other end. The end portion of the tube portions of the lamp envelope which are set at the housing member side are externally coated with a light-reflecting layer.

Compact fluorescent lamp having a lamp envelope with a reflective layer

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Budapest, Hungary

Emoke Abasari