Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHT EMITTING DEVICE, LIGHTING DEVICE, SPOTLIGHT, HEADLIGHT FOR VEHICLES AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2016/035437
Kind Code:
A1
Abstract:
To improve the utilization efficiency of fluorescent light of a reflective light emitting device. A light emitting device (1) is provided with: a light emitting part (11) which contains phosphor particles (P) that produce fluorescence upon reception of laser light (E); a transparent material film (13) which is arranged between the light emitting part (11) and a substrate (12) that supports the light emitting part (11), and which has an exposed end portion (A); and a light projection member which faces the end portion (A). An excitation light irradiation surface (S) of the light emitting part (11) is irradiated with the laser light (E), said excitation light irradiation surface (S) being on the reverse side of the surface facing the transparent material film (13).

Inventors:
TAKAHASHI, Koji
MAEMURA, Yosuke
TAKAHIRA, Yoshiyuki
Application Number:
JP2015/069316
Publication Date:
March 10, 2016
Filing Date:
July 03, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
International Classes:
F21S2/00; F21S8/10; F21V7/06; F21V7/08; F21V9/16
Foreign References:
JP2012190628A2012-10-04
JP2011181381A2011-09-15
JP2011243700A2011-12-01
JP2012142187A2012-07-26
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (Daiwa Minamimorimachi Building, 2-6 Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, 〒5300041, JP)
Download PDF: