Patent · US Expired

Compact fluorescent lamp having increased light output

US4521837A · kind A · utility

5Cited by
11References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 20, 1984
Grant dateJun 4, 1985
Priority date
Expiry dateJun 20, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B20/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Light output of compact fluorescent lamps is increased by providing metal base members within the lamp with a diffuse light reflecting coating such as, e.g., zirconium dioxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.