Three electrode structure electroluminescent display devices

An electroluminescent display device comprising

• a plurality of first line patterned electrodes,
• a plurality of second line patterned electrodes,
• a first insulating layer separating said first and second line patterned electrodes
• a plurality of first sub-pixel electrodes adjacent to said second line patterned electrodes,
• a light emitting layer having a first and a second surface on opposite sides of the layer wherein said first surface is in contact with said sub-pixel and second line patterned electrodes,
• a plurality of vias, each via extending from at least one of said first sub-pixel electrodes through the said insulating layer, to one of said first line patterned electrodes,
• a transparent conductive film layer comprising a plurality of conductive pixels, in contact with said second surface of said light emitting layer and on a side of said light emitting layer opposite from the sub-pixel electrodes, and
• a transparent substrate in contact with the said transparent conductive film layer on a side opposite the light emitting layer.

An electroluminescent display device comprising

• an electrode assembly comprising
• a substrate,
• a plurality of first opaque line patterned electrodes in contact with said substrate,
• a plurality of second opaque line patterned,
• an insulating layer separating first and second line patterned electrodes,
• a plurality of first sub-pixel electrodes adjacent to said second line patterned electrodes,
• a plurality of vias, each via extending from at least one of said first sub-pixel electrodes through the said insulating layer to a first line electrode,
• a light emitting layer having a first and a second surface on opposite sides of the layer and said first surface is in contact with said first sub-pixel and second line patterned electrodes, and
• a plurality of transparent conductive film pixels, in contact with said second surface of said light emitting layer opposite the sub-pixel and line patterned electrodes.

A method of manufacturing an electroluminescent device comprising the steps of

• manufacturing an electrode assembly,
• testing the electrode assembly,
• depositing a light emitting layer onto said electrode assembly, and
• depositing a transparent conductive layer onto said light emitting layer.

A method of manufacturing an electroluminescent device comprising the steps of

• depositing a transparent conductive film layer on a transparent substrate,
• depositing a light emitting layer on said transparent conductive film layer,
• depositing a plurality of second line patterned electrodes and a plurality of first sub-pixel electrodes on said light emitting layer,
• depositing an insulating layer on said light emitting layer,
• forming vias in said insulating layer registering over said first sub-pixel electrodes,
• depositing a plurality of first line patterned electrodes on said insulating layer connecting to said sub-pixel electrodes through the said vias, and
• covering and sealing the device with a glass cover.

A method of manufacturing an electroluminescent device comprising the steps of

• depositing a transparent conductive film layer on a transparent substrate,
• depositing a light emitting layer on said transparent conductive film layer,
• depositing a plurality of first and second sub-pixel electrodes on said light emitting layer,
• depositing a first insulating layer on said light emitting layer,
• forming vias in said insulating layer registering over said first sub-pixel electrodes,
• depositing a plurality of second line patterned electrodes on said first insulating layer
• depositing a second insulating layer on said second line patterned electrodes,
• depositing a plurality of first line patterned electrodes on said second insulating layer connecting to said sub-pixel electrodes through said vias, and
• covering and sealing the device with a glass cover.