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US 4,792,500 AGranted
Electroluminescence element
AssigneeClarion Co., Ltd.
InventorKiyoaki Kojima
Life of this patent
Estimating the term…
Abstract
A field electroluminescence element has a transparent electrode disposed to form a single-level plane with a substrate surface so that a luminescence layer is provided on the planar surface in order to prevent any irregular crystallization and to improve the reliability of the element.
Claims4
A field electroluminescence element comprising:
- an insulative substrate;
- a first insulative layer formed on said insulative substrate and having a planar surface, said first insulative layer having extending from said surface into the interior of said layer and a plurality of transparent conducting regions forming a first set of spaced-apart electrodes embedded in said layer;
- a second planar insulative layer disposed on said first insulative layer;
- a luminescent layer disposed on said second insulative layer surface;
- a third insulative layer disposed on said luminescent layer;
- and
- a second set of spaced-apart transparent electrodes disposed on said third insulative layer, said second set of electrodes being opposed to and disposed across the first set of electrodes.
4 more elements
A field electroluminescence element comprising:
- an insulative substrate having a planar surface, said substrate having extending from said surface into the interior of said substrate a plurality of transparent conducting regions forms a first set of spaced-apart electrodes embedded in said substrate;
- a first insulative layer disposed on said substrate surface;
- a luminescent layer disposed on said first insulative layer;
- a second insulative layer disposed on said luminescent layer;
- and
- a second set of spaced-apart transparent electrodes disposed on said second insulative layer, said second set of electrodes being opposed to and disposed across the first set of electrodes.
3 more elements
Dependencies are inferred from the claim text.