Login| Sign Up| Help| Contact|

Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/083060
Kind Code:
An optical fiber light-emitting sign device, according to the present invention, comprises: a front panel including a plurality of emission holes; a plurality of optical fibers, which are in a bundled form, having each one end respectively connected to the plurality of emission holes and the other ends being clustered; and a light source assembly comprising a plurality of light-emitting diodes, which are optically coupled to the other ends of the plurality of optical fibers and are positioned on one flat surface, wherein each of the plurality of light-emitting diodes belongs to any one of a plurality of groups, each one end of the plurality of groups is connected to the same node, and different power source voltages are respectively applied to the other ends of the plurality of groups.

LEE, Ki Hoon (102-2104, 54 Yaoeeumakdang-ro 39-gil,,Dalseo-gu, Daegu, 42648, KR)
JO, Sung Su (105-2103, 54 Yaoeeumakdang-ro 39-gil,,Dalseo-gu, Daegu, 42648, KR)
Application Number:
Publication Date:
May 02, 2019
Filing Date:
October 25, 2017
Export Citation:
Click for automatic bibliography generation   Help
ALTECH CO.,LTD. (60 Munhwahoegwan 5-gil, Dalseo-gu, Daegu, 42699, KR)
International Classes:
E01F9/20; F21S9/03; F21V23/00; F21W111/02
Attorney, Agent or Firm:
KANG, Sin Seob et al. (8th Floor, State Tower Namsan,100, Toegye-ro,Jung-gu, Seoul, 04631, KR)
Download PDF: