Patent ID: 7862206
Filing Date: 2011-01-04
Classification: G09F

Abstract:
1. An adjustable light-emitting diode (LED) display module, comprising: a plurality of light-emitting units; and at least a set of spacing adjusting mechanism for changing spacing between some of said light-emitting units so that said LED display module can change length or width, said light-emitting units being distributed to different locations on components forming said spacing adjusting mechanism; wherein said spacing adjusting mechanism has a retractable grid-like structure comprising a plurality of light fixture racks and at least one linkage set, said linkage set forms a cross and is connected to a back side of said light fixture racks so that said light fixture racks can expand and contract along a single direction in a retractable grid-like manner, and said light-emitting units are attached to a same side of said light fixture racks.