Title:
STRAIGHT TUBE TYPE LED LIGHTING LAMP
Document Type and Number:
Japanese Patent JP2020035731
Kind Code:
A
Abstract:
To provide a straight tube type LED lighting lamp capable of making internal pressure equal to external pressure even in a case where the internal pressure of a pipe changes with a temperature change of an LED, inhibiting inflow of water droplets or dust, and having no restriction on installation location.SOLUTION: A straight tube type LED lighting lamp comprises: a tubular body 1 formed of a synthetic resin having translucency; a mouthpiece 5 provided with a terminal 6 that can be connected to a socket of a fluorescent lamp fixture to which the tubular body 1 is attached; an LED mounting board 3 provided with an LED lighting circuit inside the tubular body 1; and a plurality of LEDs 2 mounted on one surface side of the LED mounting board 3. In the tubular body 1, a through hole 1a communicating with the inside and the outside is formed. In the through hole 1a, an internal pressure adjuster 10 having a filter 11 for internal pressure adjustment, waterproofing and dustproofing is mounted.SELECTED DRAWING: Figure 1
Inventors:
FUJIWARA MASATO
Application Number:
JP2018186953A
Publication Date:
March 05, 2020
Filing Date:
August 27, 2018
Export Citation:
Assignee:
JAPAN MAGNETS KK
International Classes:
F21V31/03; F21K9/275; F21V31/00