| 摘要 |
PROBLEM TO BE SOLVED: To provide a hygroscopic molding useful for organic EL element, and capable of suppressing generation and growth of a non-light-emitting region over a long term, while having low expansion for preventing occurrence of wrinkles.SOLUTION: A hygroscopic molding contains a moisture absorbent and a binder, in which the moisture absorbent is composed of a mixture of SrO and CaO, and the weight ratio of SrO and CaO is SrO:CaO=50.0-87.5:50.0-12.5. |
