A light-scattering film includes a support; and a layer including a light-scattering particle and a light-transparent resin, wherein the light-scattering film satisfies following formulae to at the same time:nB435<nP435 \u2003\u2003Mathematical Formula nS545<nP545 \u2003\u2003Mathematical Formula 0. With the user name automatically populated in the server user list, the administrator may easily select and configure access for the user. A ring electrode, provided about a periphery of the substrate and opposite the electron source electrode, is utilized to create a ring hollow cathode plasma to affect changes in the distribution of plasma density. Client applications that receive such data, notifications, or events use a client location filter to obtain events that are relevant based on the location of the device.