Led display board
A led display board is a flat panal display that uses an arry of light-emitting diodes as pixels for a video display. their brightness allows them to be used outdoors where they are visible in the sun for store signs and billboards.
the purpose of the display board in that context is to catch the viewer's attention and explain what was performed and what was learned. outside school, display boards are used for a business trade shows, marketing, genealogy, life celebrations, arts and crafts, and memorials.
types of led display board: