Patent · US Expired

Illuminating apparatus

US4779166A · kind A · utility

56Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1987
Grant dateOct 18, 1988
Priority date
Expiry dateDec 8, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/009
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An illuminating apparatus which comprises a plane board composed of a transparent resin having an organic fluorescent dye incorporated therein and a light-reflecting member arranged on at least a part of the back surface of the plane board, wherein a light incident from at least a part of the end face of the plane board is emitted from at least a part of the surface of the plane board.

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