| http://www.w3.org/ns/prov#value | - The second sealing material 6806 may use the same material as the first sealing material 6805. [0244] By sealing the EL elements with filler 6807 with the use of the above-described method, it is possible to completely isolate the EL elements from the outside, whereby a substance which promotes oxidation of an organic material, such as water or oxygen, can be prevented from penetrating from the ou
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