Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Patent
1995-06-02
1996-12-17
O'Shea, Sandra L.
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
313509, 313512, H05B 3322
Patent
active
055856950
ABSTRACT:
A thin film electroluminescent display module sealed against moisture with driver chip and optional lens is disclosed. The module is formed on a transparent substrate upon which a sequence of patterned thin layers is deposited and a patterned sealing layer and driver circuit(s) are applied. In one aspect the tile element achieves over 100 fL brightness in a 5.times.7 format with circular pixels. Expansion to a 16.times.16 format is also disclosed and a novel addressing geometry suitable for tiled displays is presented. The application of a unique insulator layer allows flexible interconnections with conductor crossovers to address pixel arrays in formats offer than X-Y matrix addressing. The absence of edge connections and a bulky edge seal permits production of a tiled display in which module-to-module spacing is not limited by connectors or seals. Multiple electroluminescent display modules may be tiled together edge-to-edge to form a large display panel.
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Kitai Adrian
O'Shea Sandra L.
Patel Vip
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