Deposition of electroluminescent material through superimposed d

Details Deposition of electroluminescent material through superimposed d Deposition of electroluminescent material through superimposed d

1976-12-22

1978-10-10

Goolkasian, John T.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 64, 427 68, 427124, 427266, 427282, 313505, 118504, 118505, 1011282, 101129, 156 90, 156247, 29 251, B05D 506

Patent

active

041197453

ABSTRACT:
A display device includes a layer of electroluminescent material which is capable of conducting electric current. The electroluminescent material is sandwiched between a pair of electrodes to which a voltage is to be applied to excite the electroluminescent material to luminescence. The display device is manufactured by disposing on an assembly comprising a substrate with one of the said electrodes thereon, two masks in which are formed aligned apertures defining a region in which the electroluminescent material is to be provided. The electroluminescent material is disposed in the apertures, and, after that material has solidified one of the masks is removed, the other of the electrodes then being formed on the exposed surface of the electroluminescent material and within slots in the remaining mask and the mask is removed.

REFERENCES:
patent: RE29284 (1977-06-01), Shaheen et al.
patent: 2599710 (1952-06-01), Hathaway
patent: 3042834 (1962-07-01), Nicoll
patent: 3258628 (1966-06-01), Acton
patent: 3304471 (1967-02-01), Zuleeb
Balents, L. M.; "Metal Mask and Screen Assembly," RCA Technical Notes, No. 979, 9/74.

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