Display module for visually impaired persons, display system for visually impaired persons, and control method therefor

The present invention relates to a display module for visually impaired persons, a display system for visually impaired persons, and a control method therefor, and more specifically, provides a display module for visually impaired persons, a display system for visually impaired persons, and a control method therefor, the display module for visually impaired persons having a plurality of protrusions moving up and down so that a visually impaired person may obtain information through hand sensation, and displaying information such as Braille, figures and images.