DISPLAY DEVICE AND METHOD OF PRODUCING THE SAME
First Claim
1. A display device displaying a predetermined pattern comprising an organic electroluminescence element comprising a transparent anode, an organic electroluminescent compound layer, a cathode buffer layer patterned in an almost similar form to the predetermined pattern and a cathode laminated in this order on a transparent insulating substrate.
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Accused Products
Abstract
Disclosed is a display device displaying a predetermined pattern comprising an organic electroluminescence element comprising a transparent anode, an organic electroluminescent compound layer, a cathode buffer layer patterned predetermined pattern and a cathode insulating substrate. The display device can display a predetermined pattern with high electrical power efficiency by a simple structure.
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Citations
14 Claims
- 1. A display device displaying a predetermined pattern comprising an organic electroluminescence element comprising a transparent anode, an organic electroluminescent compound layer, a cathode buffer layer patterned in an almost similar form to the predetermined pattern and a cathode laminated in this order on a transparent insulating substrate.
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8. A method of producing a display device displaying a predetermined pattern comprising steps of:
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forming a cathode buffer layer patterned in an almost similar form to the predetermined pattern on the surface of an organic electroluminescent compound layer; and forming a cathode on the surface of the cathode buffer layer. - View Dependent Claims (9)
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Specification