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ELECTROLUMINESCENCE COMPOSITE WITH PHOSPHORUS STRUCTURE AND THICK-FILM DIELECTRIC SYSTEM WITH IMPROVED DIELECTRIC PROPERTIES
ELECTROLUMINESCENCE COMPOSITE WITH PHOSPHORUS STRUCTURE AND THICK-FILM DIELECTRIC SYSTEM WITH IMPROVED DIELECTRIC PROPERTIES
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机译:具有改善的介电性能的磷结构和厚膜介电体系的电致发光复合材料
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摘要
The invention provides a method of forming a thick film dielectric layer in an EL laminate of the type including one or more phosphor layers sandwiched between a front and a rear electrode with the phosphor layer being separated from the rear electrode by a thick film dielectric layer. The method includes depositing a ceramic material in one or more layers by a thick film technique to form a dielectric layer having a thickness of 10 to 300 mum; pressing the dielectric layer to form a densified layer with reduced porosity and surface roughness; and sintering the dielectric layer to form a pressed, sintered dielectric layer which, in an EL laminate, has an improved uniform luminosity over an unpressed, sintered dielectric layer of the same composition.
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