Sheet type large display unit
First 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.
1 Assignment
0 Petitions
Accused Products
Abstract
A sheet type large display unit includes a thin, flexible back sheet which is capable of being rolled up, the flexible back sheet having a plurality of electrical connections formed thereon in rows and columns; a plurality of display dot devices mounted on the front surface of the back sheet in a matrix arrangement, each display dot device including four light emitting diodes mounted on a printed circuit board substrate and connected with the electrical connections; a thin, flexible transparent display sheet which is capable of being rolled up, the display sheet being in covering relation to the display dot devices; and an adhesive which secures the peripheral edge of the display sheet in sealing relation to the peripheral edge of the back sheet.
53 Citations
15 Claims
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1. A large sheet type display unit, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification