Joseph A. Roy - Danvers MA Fred R. Taubner - Danvers MA
Assignee:
GTE Products Corporation - Stamford CT
International Classification:
H01J 6148
US Classification:
313487
Abstract:
A fluorescent lamp has two phosphor layers, the phosphor of the first layer being less expensive than the phosphor of the second layer. The second phosphor layer improves the lamp efficiency.
Frank M. Latassa - Magnolia MA John G. Ray - Topsfield MA Joseph A. Roy - Danvers MA
Assignee:
GTE Products Corporation - Stamford CT
International Classification:
H01J 6128
US Classification:
313177
Abstract:
A glass mercury dispenser for inclusion within an arc discharge lamp is surrounded by a particle shield to catch shards when the capsule is subsequently ruptured.
Arc Discharge Lamp Having Improved Lumen Maintenance
Fred R. Taubner - Danvers MA Joseph A. Roy - Danvers MA
Assignee:
GTE Products Corporation - Stamford CT
International Classification:
H01J 3100 H01J 3126
US Classification:
313489
Abstract:
Lumen maintenance of fluorescent lamps is improved by overcoating the phosphor layer with a coating of submicron size alumina having a weight greater than 160 micrograms per square centimeter.