MEDICAL PRODUCTS STORAGE DEVICE WITH VIEWING WINDOW HAVING VARIABLE OPACITY

摘要

A medical products storage device, such as a refrigerator, includes a door having a viewing window. The window has a variable opacity so that the viewing window may be transparent or opaque, depending on conditions of the medical products storage device. Light emitting diodes embedded in the viewing window are used to indicate an alarm condition.

主权项

1. A medical products storage device comprising
a refrigeration system, a cabinet defining a storage space, and a door coupled to the cabinet, the door movable between a first position allowing access to the storage space and a second position, the door including a window having a glass comprising a plurality of liquid crystal molecules, the glass being opaque when the liquid crystal molecules are deenergized and transparent when the liquid crystal molecules are energized.