Patent · US Active

Combination dark field and bright field illuminator

US8107808B2 · kind B2 · utility

10Cited by
82References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2009
Grant dateJan 31, 2012
Priority date
Expiry dateDec 14, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B19/0066
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Embodiments are disclosed of an apparatus including a curved reflector having an interior and an open end; a light module positioned around a perimeter of the open end of the reflector, the light module including a first side having one or more interior light sources thereon to direct light toward the interior of the reflector and a second side having one or more exterior light sources thereon to direct light away from the reflector; and a light pipe coupled to the light module and aligned so that light from the one or more exterior light sources is launched into the light pipe. Other embodiments are also disclosed and claimed.

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