Patent · US Expired

Lightguide having a directly secured reflector and method of making the same

US6447135B1 · kind B1 · utility

28Cited by
79References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1999
Grant dateSep 10, 2002
Priority date
Expiry dateOct 8, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/0043
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lightguide includes an input edge surface, a back surface and an output surface. A reflector is directly secured to the back surface by, for example, adhesive bonding.

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