Patent · US Expired

Lighting equipment

US6883938B1 · kind B1 · utility

19Cited by
5References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1999
Grant dateApr 26, 2005
Priority date
Expiry dateFeb 22, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31692
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lighting equipment comprising a reflector having a substrate comprised of a thermoplastic resin containing an alicyclic structure on which is formed a reflecting layer having a reflectance of at least 70%. The reflecting layer of the reflector is preferably comprised of a metal. The reflecting layer preferably has a thickness of 5 to 10,000 nm. The amount of the repeating units containing polar groups in the thermoplastic resin containing an alicyclic structure is preferably not more than 50 wt %. The thermoplastic resin containing an alicyclic structure preferably has a melt flow rate of 4 to 100 g/10 min.

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