Electroluminescent display panel with enlarged active display ar

Details Electroluminescent display panel with enlarged active display ar Electroluminescent display panel with enlarged active display ar

1975-11-28

1977-02-01

La Roche, Eugene

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

313505, 313509, 315 51, 340166EL, H05B 3302

Patent

active

040063836

ABSTRACT:
An improved electroluminescent display panel having an X-Y array of display elements upon a planar insulating substrate. Integral thin film transistor circuit elements and drive signal buses are interconnected on the panel with individual electroluminescent electrodes covering a large area of the panel to increase the active display area. The electroluminescent electrode is a multilevel electrode with a first level portion disposed on the insulated substrate, a second level electrode portion disposed over an insulative polymerized layer which covers the thin film circuit areas and the drive signal buses, and a connecting electrode portion which extends between the first and second level electrode portions.

REFERENCES:
patent: 3379931 (1968-04-01), Soldano
patent: 3512041 (1970-05-01), Dalmasso
patent: 3786307 (1974-01-01), Robinson
patent: 3885196 (1975-05-01), Fischer

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