Patent · US Expired

Flat panel display

US7527398B2 · kind B2 · utility

3Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 2005
Grant dateMay 5, 2009
Priority date
Expiry dateFeb 24, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/351
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A flat panel display can include a transparent substrate, a light emitting device formed on a surface of the transparent substrate, and a prism sheet formed on the other surface of the transparent substrate and having a plurality of polygonal protruding members having lengthwise axes parallel to one another to direct light output from the light emitting device in a predetermined direction. The sum of the thickness of the transparent substrate and the thickness of a portion of the prism sheet excluding the polygonal protruding members can be about 0.1 to about 0.5 mm.

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