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Light emitting device, in particular a lamp or lantern

  • US 6,111,705 A
  • Filed: 07/19/1999
  • Issued: 08/29/2000
  • Est. Priority Date: 07/31/1998
  • Status: Expired due to Fees
First Claim
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1. Light-emitting device, comprising a housing (11), at least one light source (12) and at least one lens system (13) to direct the light radiated by the light source, characterized in that the lens system (13) has a catadioptric lens with a zone which exhibits a light admission surface (33), a reflection surface (34) and a light emission surface (26), with the light emission surface (26) having a ring-shaped or at least partially ring-shaped circumferential configuration and that the light issues from the lens system (13) on all sides as a strip of light having a limited height.

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