Fluorescent electric discharge lamp having the phosphor particles admixed with indium powder particles

• US 3,339,100 A
• Filed: 11/27/1963
• Issued: 08/29/1967
• Est. Priority Date: 11/27/1963
• Status: Expired due to Term

• Current Assignee: Richard A. Menelly
• Original Assignee: Richard A. Menelly
• Inventors: Menelly, Richard A.
• Application Number:
  US04/326,573
• Time in Patent Office: 1,371 Days
• US Class Current: 313/486
• CPC Class Codes: C09K 11/025 non-luminescent particle coatings or suspension media
• CPC Class Codes: H01J 61/42 by transforming the wavelength of the light by luminescence
• CPC Class Codes: H01J 61/72 having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

Claims

1. A FLUORESCENT ELECTRIC DISCHARGE LAMP HAVING A COATING OF PHOSPHOR PARTICLES ADMIXED WITH INDIUM POWDER PARTICLES ON THE INSIDE SURFACE OF ITS ENVELOPE, THE INDIUM PARTICLES BEING DISPOSED UNIFORMLY THROUGH THE COATING AND THEREFORE THE LENGTH OF THE COATING.