Patent ID: 7584562
Filing Date: 2009-09-08
Classification: G09F

Abstract:
1. An advertising signboard for daytime and nighttime use, comprising: base plates each equipped with LED groupings each including three primary colored LED devices, said LED groupings being placed at regularly spaced apart intervals so as to form an array on said base plate with equal spacing between said LED groupings; a blocking panel having openings matching corresponding locations of said LED groupings, said blocking panel overlaying said base plates such that light produced from said LED devices is emitted through said openings which are located in general alignment with said LED groupings, said blocking panel having an image viewable during the daytime printed on a surface thereof between said openings; and a panel body being subdivided into compartments by vertical and lateral walls extending between an outside wall, said vertical and lateral walls being arranged in respective spaced-apart pairs such that adjacent ones of said compartments are separated from one another by a vertical gap and a lateral gap present between each of said respective spaced-apart pairs of the vertical walls and the lateral walls, each of said compartments being configured to correspond generally to a respective one of said base plates receivable thereto, said blocking panel being mountably receivable on said panel body such that when received to the panel body, adjacent ones of the base plates, are spaced apart from one another by a vertical separation and a lateral separation, and are interposed between said panel body and said blocking panel.