Patent ID: 6348905
Filing Date: 2002-02-19
Classification: G09F

Abstract:
An LED display apparatus comprising:an LED display module having an array of light emitting diodes mounted thereon, said LED display module having a longitudinal axis; an inner frame member that is disposed to confine said LED display module therein and that has a size sufficient to permit movement of said LED display module in opposite directions of the longitudinal axis; first supporting means for mounting said LED display module in said inner frame member such that said LED display module is movable back and forth in said inner frame member along the longitudinal axis; wherein said LED display module has upper and lower edges that extend parallel to the longitudinal axis; said inner frame member has upper and lower frame parts that extend parallel to and that are disposed adjacent to said upper and lower edges of said LED display module, respectively; and said first supporting means includes a plurality of roller units mounted on said upper and lower frame parts and in rolling contact with an adjacent one of said upper and lower edges of said LED display module.