Industry Patents

Patent: 10254474

Light Mixing Systems with a Glass Light Pipe

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Patent Number:	10254474
Title:	Light Mixing Systems with a Glass Light Pipe
Abstract:	An optical system is disclosed, which comprises a glass light pipe having an input surface for receiving light from a light source and an output surface through which light exits the light pipe, and a polymeric light pipe optically coupled at its input surface to the output surface of the glass light pipe to receive at least a portion of the light exiting the glass light pipe, said polymeric light pipe having a textured output surface. A plurality of microlenses is optically coupled to said textured surface of the polymeric light pipe, and a projection lens is optically coupled to the output surface of the polymeric light pipe to receive light therefrom.
Country of Issue:	US
First Named Inventor:	Angelini, Bigliati, Gobron, Taranta, Baraldo
Assignee:	Fraen Corporation
Continuation or Divisional of:	10151872
International Classification:	G02B 6/26
US Classification:	G02B 6/0096
Issue Date:	04-09-2019
Filing Date:	10-10-2018
Application :	16/156620
Notes:
Link to Patent at freepatentsonline.com:	10254474 at Freepatentsonline
Link to World Patent Family¹:	World Patent Family at European Patent Office
Link to Google Patents¹:	10254474 at Google Patents

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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