Luminous elements with an electroluminescent arrangement and method for producing a luminous element
First Claim
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1. Luminous element having an electroluminescent arrangement comprising a luminous layer that has inorganic electroluminescent particles, wherein the luminous layer exhibits a water-soluble protective colloid, and wherein the water-soluble protective colloid exhibits gelatin.
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Abstract
The invention relates to a luminous element having a luminous layer which comprises electroluminescent particles and a water-dispersible or water-soluble protective colloid.
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14 Claims
- 1. Luminous element having an electroluminescent arrangement comprising a luminous layer that has inorganic electroluminescent particles, wherein the luminous layer exhibits a water-soluble protective colloid, and wherein the water-soluble protective colloid exhibits gelatin.
- 11. Method for the production of a luminous element having an electroluminescent arrangement comprising a luminous layer that has inorganic electroluminescent particles, wherein the luminous layer exhibits a water-soluble protective colloid, wherein the water-soluble protective colloid is selected from the group consisting of natural substances, derivatives of natural substances, polyvinyl pyrrolidones, polyacrylic acids, and wax emulsions, and wherein all of the layers are produced using a coating method, with the use of water-based compositions.
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14. Luminous element having an electroluminescent arrangement comprising a luminous layer that has inorganic electroluminescent particles, wherein the luminous layer exhibits a water-soluble protective colloid, wherein the water-soluble protective colloid is selected from the group consisting of natural substances, derivatives of natural substances, polyvinyl pyrrolidones, polyacrylic acids, and wax emulsions, and wherein the luminous layer contains maximally 0.1 wt.-% water, with reference to its dry weight.
Specification