| abstract |
An object of the present invention is to provide a curable resin composition that has excellent heat resistance, transparency, and flexibility, and can form a cured product that is particularly excellent in reflow resistance and barrier properties against corrosive gases. There is to do. The curable resin composition of the present invention includes a polyorganosiloxane (A), a silsesquioxane (B), an isocyanurate compound (C), and a silane coupling agent (D). It is a polyorganosiloxane having no aryl group, and is characterized by containing a ladder-type silsesquioxane as the silsesquioxane (B). |