TFEL devices having insulating layers
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United States of America Patent
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Mar 19, 2002
Grant Date -
N/A
app pub date -
Nov 10, 1998
filing date -
Nov 10, 1998
priority date (Note) -
Expired
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Abstract
A thin film electroluminescent device has a bottom substrate and a first electrode layer deposited on the bottom substrate. The first insulating layer is deposited on the first electrode layer. A phosphor layer is deposited on the first insulating layer. A second insulating layer is deposited on the phosphor layer. A second electrode layer is deposited on the second insulating layer. In one aspect of the invention, at least a portion of the first insulating layer includes a layer of aluminum titanium oxide, and at least a portion of the second insulating layer includes a layer of a fusing dielectric material. In another aspect of the invention, the first insulating layer includes a layer of a refractory metal oxide, and the second insulating layer includes a layer of a fusing dielectric material.
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