Storage box having display panel
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.
1. A storage box having a display panel comprising:
a body; and
a door including a frame and mounted on the body to be opened and closed,
wherein the door includes a glass member disposed on a front surface of the frame, a protective panel disposed on an inner surface of the frame, and a transmittance-variable panel disposed between the glass member and the protective panel,
the transmittance-variable panel is a panel made of a thermoplastic resin of polymethyl methacrylate (PMMA) or polycarbonate (PC) and nano-sized dyes,
a plurality of nano-sized pores are disposed in the transmittance-variable panel, and
the transmittance-variable panel is configured to reduce light transmittance.
2. The storage box having a display panel of claim 1 , wherein
a size of each of the nano-sized pores is in a range of 20 to 50 nm,
a thickness of the transmittance-variable panel is 3 to 5 mm, and
an arithmetic average roughness (Ra) of a surface of the transmittance-variable panel is in a range of 1.2 to 1.9 nm.
3. The storage box having a display panel of claim 2 , wherein a light emitter configured to irradiate light to the protective panel and the transmittance-variable panel is disposed in the body.
4. The storage box having a display panel of claim 2 , wherein a light emitter is disposed between the protective panel and the transmittance-variable panel.
5. The storage box having a display panel of claim 4 , further comprising a power supply member configured to supply power to the light emitter,
wherein the power supply member includes a first power supply member coupled to a hinge and a second power supply member coupled to the frame.
6. The storage box having a display panel of claim 5 , wherein
an electrical connection between the first power supply member and the second power supply member is made when the door is closed, and
the electrical connection between the first power supply member and the second power supply member is cut off when the door is open.
7. The storage box having a display panel of claim 6 , wherein
the first power supply member includes a first protrusion protruding from a first terminal,
the second power supply member includes a second protrusion protruding from a second terminal, and
power is supplied to the light emitter by the first protrusion being brought into contact with the second terminal and the second protrusion being brought into contact with the first terminal.
8. The storage box having a display panel of claim 6 , wherein
a coupling groove is disposed on a side surface of the hinge,
a pair of couplers is disposed in the first power supply member, and
the first power supply member is fastened to the hinge by fitting the pair of couplers into the coupling groove.
9. The storage box having a display panel of claim 3 , wherein:
a movement detector is disposed in the door, and
the light emitter emits light when a movement of the door is detected by the movement detector.
10. The storage box having a display panel of claim 3 , wherein:
a movement detector is disposed in the body or door, and
the light emitter emits light when a movement of a user is detected by the movement detector.
11. The storage box having a display panel of claim 4 , wherein:
a movement detector is disposed in the door, and
the light emitter emits light when a movement of the door is detected by the movement detector.
12. The storage box having a display panel of claim 4 , wherein:
a movement detector is disposed in the body or door, and
the light emitter emits light when a movement of a user is detected by the movement detector.