Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/141658
Kind Code:
A1
Abstract:
A light emitting device (10) is provided with: an LED (12); a reflecting mirror (16) having a reflecting surface in the shape of a paraboloid of revolution, said reflecting surface reflecting light emitted from the LED (12), and outputting the light to the outside; and a light absorbing material that blocks light having a beam angle higher than a 1/4 beam angle θ from entering the reflecting mirror (16), said light being among the light emitted from the LED (12). The LED (12) is disposed at a position shifted from a focal point of the paraboloid of revolution.

Inventors:
NARITA MIZUE (JP)
MIWA DAIKI (JP)
Application Number:
JP2017/002794
Publication Date:
August 24, 2017
Filing Date:
January 26, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOKI CORP (JP)
International Classes:
F21S2/00; F21V5/00; F21V7/00
Foreign References:
JP2001217466A2001-08-10
JP2004354495A2004-12-16
JP2010044956A2010-02-25
Attorney, Agent or Firm:
MORISHITA SAKAKI (JP)
Sakaki Morishita (JP)
Download PDF: