Screens and methods for displaying information

A method of displaying information to viewers comprising the steps of:

• providing a projector capable of presenting an image,
• providing a non-holographic flexible screen having a rear surface for receiving light from the projector, and a viewing surface opposite the rear surface,
• providing a removable adhesive,
• selecting a substantially transparent surface in a position capable of being viewed,
• adhering the screen on the substantially transparent surface with the removable adhesive,
• projecting an image from the projector onto the rear surface of the screen to provide the information to the viewers.

A method of displaying information to viewers comprising the steps of:

• providing a projector capable of presenting an image,
• providing a flexible screen having a rear surface for receiving light from the projector, and a viewing surface opposite the rear surface,
• providing a cling material,
• selecting a substantially transparent surface in a position capable of being viewed,
• removably attaching the screen to the substantially transparent surface with the cling material,
• projecting an image from the projector onto the rear surface of the screen to provide the information to the viewers.

A method of displaying information to viewers comprising the steps of:

• providing a projector capable of presenting an image,
• providing a flexible screen having a rear surface for receiving light from the projector, a viewing surface opposite the rear surface, and a light absorbing layer for rendering the screen substantially opaque in ambient lit conditions when no image is projected on the screen by the projector
• providing a mechanical fastener,
• selecting a substantially transparent surface in a position capable of being viewed,
• removably associating the screen with the substantially transparent surface with the mechanical fastener,
• projecting an image from the projector onto the rear surface of the screen to provide the information to the viewers.

A projection screen for use in an optical system having a projector that provides information to viewers, the projection screen comprising:

• a plurality of glass beads,
• a flexible light transmitting substrate,
• light absorbing means associated with the light transmitting substrate for controlling ambient light rejection so that the screen appears substantially dark when no light is projected on the screen from the projector, and
• a mechanical fastener associated with the screen to releasably attach the screen in a position associated with a substantially transparent surface so that viewers may view the screen through the substantially transparent surface.

A projection screen comprising:

• a first side and a second side,
• an array of refractive elements wherein said elements are substantially surrounded by an opaque matrix, said refractive elements exhibit a refractive index in the range of 1.4 to 2.0,
• said opaque matrix defining an array of apertures,
• said screen exhibiting a mechanical flexibility sufficient to allow it to be rolled up into a cylindrical roll having an inner diameter of 15.25 centimeters (6″) or less, and
• an attachment member associated with at least one of said first and said second sides of said screen.