| 摘要 |
An EL device, comprising: a support, a conductive layer with a mesh pattern, a phosphor layer, a reflection insulating layer, and a back electrode; wherein the conductive layer, the phosphor layer, the reflection insulating layer and the back electrode are provided on the support in this order, and wherein a width X (μm) of an opening portion of the mesh pattern of the conductive layer and a surface resistance Y (&OHgr;/□) of the opening portion of the mesh pattern of the conductive layer meet the following formulae (a) and (b). 50≦̸X≦̸7000  (a) 105≦̸Y≦̸(5×1023)×X−4.02  (b)
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