| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hygroscopic agent that can be applied to an organic EL display device which is compact and can easily be produced. <P>SOLUTION: This hygroscopic agent S comprises silicon dioxide deposited on the outer surface of at least one material having a high water retention capacity selected from a group consisting of calcium oxide, calcium carbonate, barium oxide, fluoride resins, and fluororesins. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
