Patent · US Expired

Collimating lens structures

US7495837B2 · kind B2 · utility

21Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 2005
Grant dateFeb 24, 2009
Priority date
Expiry dateJan 31, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B27/30
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An optic element receives an input light beam with a first beam angle and an axis. The optic element includes a first surface that receives the input light beam and generates an expanded light beam with a second beam angle that is greater than or equal to the first beam angle. The optic element includes a second surface that receives the expanded light beam and generates an output light beam that is either substantially collimated or near collimated. The output light beam is tilted a predetermined degrees with respect to the axis of the input light beam.

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