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:
Jul. 22, 2003
Filed:
Aug. 28, 2000
Michiru Hata, Sagamihara, JP;
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
An optical fiber ( ) is disclosed which emits light radially along its peripheral surface ( ). A light extractor provided on the core ( ) includes both a reflective light extraction element ( ) and a transmissive light extraction element ( ) in order to increase the light emission luminance from the optical fiber, the transmission light extraction element is preferably a light extracting film ( ) comprising a plurality of integrally formed light transmissive projections ( ) closely adhered to the core ( ) and through which light is extracted. Gaps ( ) between the film ( ) and the core ( ) are formed by the projections ( ). The optical fiber may be used as a linear light source.