Title:
SIGNAL DISPLAY LAMP
Document Type and Number:
WIPO Patent Application WO/2015/049749
Kind Code:
A1
Abstract:
A signal display lamp having an LED-mounting substrate (2) and a plurality of connected lens units (3) having a tube-shaped light-guide and emission section (20) provided therein so as to contain the LED-mounting substrate (2). An LED (14) is mounted at a position closer towards an end section (2D) side than a center position (2C) in the short direction (S) of the LED-mounting substrate (2). The light-guide and emission section (20) has a slit section (23) cut out in the axial direction (X) thereof such that the LED (14) is arranged therein when the LED units (3) contain the LED-mounting substrate (2). Light that is incident inside the lens units (3) from incident surfaces (24) being a pair of facing end surfaces of the slit section (23) is guided by the light-guide and emission section (20) and is emitted outwards in the entire peripheral direction thereof.
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Inventors:
SHIGEMATSU DAISUKE (JP)
Application Number:
PCT/JP2013/076878
Publication Date:
April 09, 2015
Filing Date:
October 02, 2013
Export Citation:
Assignee:
PATLITE CORP (JP)
International Classes:
F21S2/00; F21S10/06; F21Y101/02
Foreign References:
| JP2002203405A | 2002-07-19 | |||
| JPH0369804U | 1991-07-11 | |||
| JPH03169445A | 1991-07-23 |
Other References:
See also references of EP 2878879A4
Attorney, Agent or Firm:
INAOKA, Kosaku et al. (JP)
Kosaku Inaoka (JP)
Kosaku Inaoka (JP)
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