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PROBLEM TO BE SOLVED: To provide a sealing composition which, although being an UV curing type, has a strong adhesive power, can be made to a sealing member low in moisture permeability, and is excellent in preservation stability. SOLUTION: The sealing composition includes (A) a bisphenol-type epoxy resin having a weight-average molecular weight of 3x103 to 2x104, (B) a phenol-type epoxy resin...