| 摘要 |
The present invention addresses the issue of providing a surface sealing agent which can be cured at low temperatures and which exhibits excellent storage stability. In order to resolve this issue, provided is a surface sealing agent for an organic EL element, the surface sealing agent including an epoxy resin (A) having at least two epoxy groups in a molecule, and a curing accelerator (B) which is a salt of a specific quaternary ammonium ion, wherein 0.1-10 parts by weight of the curing accelerator (B) is contained relative to 100 parts by weight of the surface sealing agent. |
