Electroluminescent device with improved light output
First Claim
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1. An electroluminescent device comprising:
- a substrate,a colloidal layer having a varying refractive index, anda laminated body comprising a first electrode, an electroluminescent layer, and a second electrode wherein the laminated body borders on the colloidal layer and the colloidal layer is positioned between the substrate and the laminated body.
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Abstract
An electroluminescent device includes a substrate and a laminated body composed of a first electrode, an electroluminescent layer and a second electrode. The light output out of the electroluminescent device is increased by arranging a colloidal layer between the substrate and the laminated body. By using pigments in the colloidal layer, the emission color of the electroluminescent device can be changed and the daylight contrast improved.
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Citations
8 Claims
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1. An electroluminescent device comprising:
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a substrate, a colloidal layer having a varying refractive index, and a laminated body comprising a first electrode, an electroluminescent layer, and a second electrode wherein the laminated body borders on the colloidal layer and the colloidal layer is positioned between the substrate and the laminated body. - View Dependent Claims (2, 3)
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4. An electroluminescent device comprising:
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a substrate, a colloidal layer having a varying refractive index, and a laminated body comprising a first electrode, an electroluminescent layer, and a second electrode, wherein the colloidal layer is a pixelated layer. - View Dependent Claims (5, 6, 7, 8)
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Specification