Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL FIBER ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/112103
Kind Code:
A1
Abstract:
Provided is an optical fiber illumination device utilizing optical fiber which is not produced using a special method, and having an improved amount of luminescence from a side surface. This optical fiber illumination device (1) comprises: an optical fiber bundle (10) which has a plurality of optical fibers and a resin outer coating (101) covering the plurality of bundled optical fibers and radiating light, and in which a first end and a second end thereof are polished; and a first light source which is disposed close to the first end so as to emit, onto the optical fiber bundle, light having a broader angle range than the opening angle of the plurality of optical fibers.

Inventors:
TAKAHASHI NOBUHITO (JP)
TAKAKU HIDEAKI (JP)
Application Number:
PCT/JP2020/044753
Publication Date:
June 10, 2021
Filing Date:
December 01, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITA OPTICAL GLASS (JP)
International Classes:
F21V8/00; F21Y103/00; F21Y115/10; F21Y115/30
Domestic Patent References:
WO2010038573A12010-04-08
Foreign References:
JP2011076965A2011-04-14
JP2018063396A2018-04-19
JPH07211116A1995-08-11
JP2019153590A2019-09-12
Other References:
See also references of EP 4071403A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: STATE DETERMINING SYSTEM, STATE DETERMINING METHOD, AND STATE DETERMINING PROGRAM

Next Patent: RESIN COMPOSITION