Light Boxes - the most prevalent form of advertising signs

Classification:

by shape: square / rectangular* or irregularly shaped;
by method of placement: simple front (visible from the front) or double (mounting perpendicular on the wall, visible from both directions);
by the side profile: made of aluminum or plastic;
by system of lighting: neon lighting, LED lighting;
by type of surface: plane (made of translucent rigid Plexiglas) or relief (made of the rigid type of Plexiglas, thermoformed standard* shapes or special shapes at request).