Abstract: An IoT integrated type data processor for interfacing with wired and wireless facilities is disclosed. The IoT integrated type data processor includes a main body, to which external power and data cables are connected, a communication unit selectively coupled to the main body for wirelessly transmitting and receiving data, and a coupling unit for seperably coupling the main body and the communication unit to each other or seperably coupling communication modules constituting the communication unit to each other. The IoT integrated type data processor has the following effects. First, it is possible for the user to recognize the inner state of the power device in real time, whereby it is possible to rapidly respond to an emergency. Second, it is possible to selectively use the communication modules depending on the location of the power device and the distance between the power device and the user, whereby it is possible to reduce expenses.

Abstract: A photoluminescent sheet is disclosed. A photoluminescent sheet that includes a matrix resin layer, which is a thermosetting resin; a phosphor, which is included in the matrix resin layer and which converts the wavelength of light emitted from a blue LED; a curing agent, which is included in the matrix resin layer and which cures liquid thermosetting resin; and an additive, which is included in the matrix resin layer and which disperses the phosphor uniformly within the matrix resin layer, can implement white light from light having wavelengths corresponding to blue color.

Abstract: A photoluminescent layer including a silicone resin film; at least one color of phosphors distributed throughout the silicone resin film; and a base film on a first surface of the silicone resin film.

Abstract: A keypad lighting arrangement adapted to transmit at least a portion of light emitted from light sources through a keypad so as to facilitate visual recognition of information expressed on keypad members of a keypad includes light sources, a photoluminescent diffusion sheet arranged over the light sources and containing a photoluminescent material for converting light from the light sources and a light-diffusing material for diffusing emitted from the light sources, and a keypad member over the photoluminescent diffusion sheet, wherein the light sources emit blue wavelength light and the photoluminescent diffusion sheet absorbs at least a portion of the blue wavelength light and converts the blue wavelength of light to a different wavelength of light.