Method of making two dimensional organic light emitting diode array for high density information image manifestation apparatus
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United States of America Patent
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Aug 12, 1997
Issued Date -
N/A
app pub date -
Jul 22, 1996
filing date -
Mar 22, 1995
priority date (Note) -
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Abstract
A two dimensional array of organic LEDs including laterally spaced, conductive strips positioned on an insulative substrate with a layer of dielectric material positioned thereon and defining cavities therethrough so as to expose areas of the conductive strips within the cavities. At least a layer of active emitter material and a layer of a low work function metal are positioned in each of the cavities on the conductive strips so as to form an LED in each cavity with the conductive strips forming a first electrode of each LED. A layer of metal is sealing positioned over each of the cavities and formed into metallic strips orthogonal to the conductive strips so as to form a second electrode for each of the LEDs.
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