| 摘要 |
PURPOSE: An LED module of led bulletin board is provided to prevent the infiltration of the moisture or water into the back panel through the combined surface between the LED modules by preventing the infiltration of the moisture or the water. CONSTITUTION: An LED module of led bulletin board(100) comprises a top module combining surface, a bottom module combining surface, a left side module combining surface(115), and a right module combining surface. The waterproof member combining unit is formed on the top module combining surface, the bottom module combining surface, the left side module combining surface, and the right module combining surface. |
