Title:
LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/187988
Kind Code:
A1
Abstract:
[Problem] To provide a light emitting device that includes: a protection tube which has a passage for a wire therein; a light source unit that is provided facing a side surface of the protection tube; a condensing lens that is provided between the light source unit and the protection tube; and a condensing reflector that is provided opposing the light source unit on the other side of the protection tube. The light emitting device is capable of evenly irradiating the wire with light for a uniform light cure process even when the wire that is continuously transported inside the protection tube vibrates and sways. [Solution] The present invention is characterized in that at least one of the focal points of the condensing lens and the condensing reflector is positioned away from the center of the tube axis of the protection tube.
Inventors:
INOUE TAKAHIRO (JP)
Application Number:
PCT/JP2017/014983
Publication Date:
November 02, 2017
Filing Date:
April 12, 2017
Export Citation:
Assignee:
USHIO ELECTRIC INC (JP)
International Classes:
C03C25/12; B05C9/12; G02B6/44
Foreign References:
JP2004506932A | 2004-03-04 | |||
JP2010117530A | 2010-05-27 | |||
JP2016004927A | 2016-01-12 | |||
JPH05254894A | 1993-10-05 | |||
JPS6317240A | 1988-01-25 |
Attorney, Agent or Firm:
ISOHATA Masao (JP)
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