The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2017
Filed:
Oct. 23, 2014
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); F21V 8/00 (2006.01); B29D 11/00 (2006.01); D01D 5/08 (2006.01); D01F 6/12 (2006.01); D01F 6/36 (2006.01); G02B 6/04 (2006.01); B29K 27/00 (2006.01); B29K 33/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02033 (2013.01); B29D 11/00663 (2013.01); D01D 5/08 (2013.01); D01F 6/12 (2013.01); D01F 6/36 (2013.01); G02B 6/001 (2013.01); G02B 6/04 (2013.01); B29K 2027/14 (2013.01); B29K 2033/12 (2013.01);
Abstract
An optical fiber is a linear radiator uniform in the longer direction thereof, and a lighting device uses the optical fiber. The optical fiber is a lighting fiber having a core and a cladding. In the fiber, as the cladding, there is used a polymer obtained by polymerizing a polymerizing ingredient containing 90% or more by weight of vinylidene fluoride, and the cladding has a crystallinity of 45% to 52%.