| 摘要 |
PROBLEM TO BE SOLVED: To improve adhesion to a luminous layer, and luminous efficiency of an El element, prevent uneven luminance, and improve durability and handling by sequentially laminating a transparent base, a transparent conductive layer, and a fluororesin layer. SOLUTION: An polyester film is preferably used for a transparent base 1, on which a transparent conductive layer 2 is laminated. The transparent conductive layer 2 is formed from indium oxide, tin monoxide, and gold by vacuum deposition, sputtering, ion plating or the like. A fluororesin layer 4 is laminated on the transparent conductive layer 2, with enhancing bond strength especially in the case of adhering to a phosphor layer. It is preferable to provide a metallic layer 3 composed of platinum and/or palladium between the transparent conductive layer 2 and the fluororesin layer 4. A forming process of the fluororesin layer 4, laminated on the transparent conductive layer 2 or the metallic layer 3, is performed by gravure coating, reverse coating or the like. |
