Portable solar billboard

Public bulletin boards are widely used in various public places, but due to the large size of billboards, it is not easy carry, and traditional billboards integrated, when need be transferred, limited storage space vehicle needs occupied It extremely inconvenient, at night, install additional light sources illuminate them, which greatly increases energy consumption. Based on this paper designed a new structure board, can make board use completely folded up unfolded bottom added retractable support leg placed anywhere, according terrain or human will adjust height. A solar panel top store during day supply LED lights night for lighting, saves very environmentally friendly.