Patent · US Expired

Antireflective film for photoelectric devices

US4649088A · kind A · utility

23Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1985
Grant dateMar 10, 1987
Priority date
Expiry dateFeb 22, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24992
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An antireflective film (7, 8) for photoelectric devices comprises at least a layer having a refractive index being the largest on the side abutting on the light receiving surface (2a) or the light emitting surface of a photoelectric device and continuously decreasing according to the distance outward from said side.

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