To expand an illuminating range even after power is cut off, and require only to buy an electric lamp such as an ordinary electric bulb and a fluorescent lamp even at replacing by applying light accumulating paint inside the shade of the electric lamp such as an electric bulb and a fluorescent lamp, an electric lamp installing hole and an apparatus.

For light accumulating in a ceiling electric light, light accumulating paint is applied to an electric bulb 1 and an inside apparatus of a shade 2 of the electric bulb to diffuse the light of the electric bulb 1. This accumulated light can illuminate a wide range in a dark place where power is cut off, and when the power is cut off by an earthquake, and in a darkened building and an underpass, the accumulated light can illuminate a wide range for many hours. In addition to this, even when an electric lamp such as an electric bulb and a fluorescent lamp is blown out and is replaced, since a required process is only to use an ordinary one, it can be inexpensively replaced.