| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illumination signboard device in which the strength of a housing thereof does not decrease, which is inexpensive even when LEDs are used for a light source, and which enables a clear display without a dark field part. <P>SOLUTION: The illumination signboard device includes: a housing 11 having a substantially rectangular flat box shape, whose upper, lower, left and right side surfaces are covered with panels 12, 13, 14, 15 each having no light transmissivity and formed in a substantially rectangular cylindrical shape, and whose front and back surfaces are covered with display panels 16, 17 having light transmissivity; and an LED light source 60 in which multiple LED elements 38 aligned in a width direction of the housing 11 and made to be a unit are arranged on the upper surface of the housing 11, and which emits light from the upper surface toward the lower surface and translucently displays, toward the outside, advertisement displays formed on outside surfaces of the display panels 16, 17. <P>COPYRIGHT: (C)2013,JPO&INPIT |
