Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHT EMITTING DEVICE AND LIGHT EMITTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/075140
Kind Code:
A1
Abstract:
This light emitting device having a long shape is an optical fiber that emits light from the tip thereof, the light emitting device comprising: an optical fiber which has a curved section and in which the tip faces a direction crossing the longitudinal direction of the optical fiber due to the curved section; and a light-transmitting holding member that maintains the shape of the curved section of the optical fiber. The optical fiber has a core, or has a core and a plurality of cover layers, and the refractive index of the holding member is smaller than the refractive index of a member that constitutes the outer surface of the optical fiber.

Inventors:
KATSURADA YUKO (JP)
TSUKAMOTO TOSHIHIKO (JP)
Application Number:
PCT/JP2020/030964
Publication Date:
April 22, 2021
Filing Date:
August 17, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ASAHI INTECC CO LTD (JP)
International Classes:
A61B18/24; A61N5/06; A61N5/067
Foreign References:
JP2005237827A2005-09-08
US20090287197A12009-11-19
US4747661A1988-05-31
KR20160029270A2016-03-15
Attorney, Agent or Firm:
TANABE Junya et al. (JP)
Download PDF: