Patent · US Expired

Multi-clad black display panel

US6487350B1 · kind B1 · utility

14Cited by
9References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 1999
Grant dateNov 26, 2002
Priority date
Expiry dateJun 18, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S385/901
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A multi-clad black display panel, and a method of making a multi-clad black display panel, are disclosed, wherein a plurality of waveguides, each of which includes a light-transmissive core placed between an opposing pair of transparent cladding layers and a black layer disposed between transparent cladding layers, are stacked together and sawed at an angle to produce a wedge-shaped optical panel having an inlet face and an outlet face.

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