Abstract: A storage box having a display panel, which allows an article inside a body to be confirmed from the outside according to an increase in the amount of light caused by an internal light source is disclosed. The storage box having a display panel includes the body and a door including a frame and mounted on the body to be opened and closed, wherein the door includes a glass member provided on a front surface side of the frame, a protective panel provided on an inner surface side of the frame, and a transmittance-variable panel provided between the glass member and the protective panel, the transmittance-variable panel is a panel made of a thermoplastic resin of PMMA or PC and nano-sized dyes, a plurality of nano-sized pores are provided in the transmittance-variable panel.

Abstract: A door, which includes a variable light transmission panel and a frame and is mounted on a body by a hinge so as to be opened and closed, is disclosed, and the door includes a glass member provided on a front surface side of the frame, a protective panel provided on an inner surface side of the frame, the variable light transmission panel provided between the glass member and the protective panel and including a sheet made of a thermoplastic resin of polymethyl methacrylate (PMMA) or polycarbonate (PC) and nano-sized dyes, a light-emitting member provided between the protective panel and the variable light transmission panel, and a power supply member configured to supply power to the light-emitting member.

Abstract: One embodiment of the present disclosure provides a condition detection see-through storage box that stores objects, the condition detection see-through storage box including a storage box body configured to store the objects, a sensor configured to detect a specific condition inside the storage box, a door that is installed on the storage box body and has a transmission window, a light emitting module configured to increase an amount of emitted light according to a signal from the sensor, which has detected the specific condition inside the storage box, to increase an amount of light that is reflected from inside the storage box and heads toward the transmission window, and an optical film provided on the transmission window, thereby informing a user of the specific condition inside the storage box body, wherein the optical film has a light transmittance that prevents the storage box from being see-through from the outside before the sensor detects the specific condition and allows the storage box to be see-

Abstract: One embodiment of the present disclosure provides an external detection see-through door of a cabinet that stores objects.