Sheet type large display unit

Claim 1

A large sheet type display unit, comprising: a back sheet of relatively thin flexible sheet material capable of being easily deformed by hand into a rolled up configuration, said back sheet including a first surface having a peripheral edge, and a plurality of electrical connections formed on said first surface for connecting to an external display drive circuit; a plurality of display dot devices mounted on the first surface of said back sheet in a matrix arrangement, each display dot device including at least one light emitting element connected with said electrical connections; and a display sheet of relatively thin, flexible and at least partially transparent sheet material capable of being easily deformed by hand into a rolled up configuration, said display sheet having a peripheral edge secured in sealing relation to the peripheral edge of the back sheet and in environmentally protective covering relation to said display dot devices; wherein said back sheet and said display sheet when sealed to one another can be readily reformed by hand between a flat operating display position, and a storage position in which both of the sheets as sealed to one another are folded or rolled up for storage and shipping.