Patent ID: 7845818

Claim:
A showcase to display commodities, the showcase comprising: an insulating wall around the display chamber; a plurality of steps of shelves disposed inside the display chamber, the shelves extending in a forward direction from an inside of the display chamber toward an open side of the display chamber; a cold air discharge port provided in an upper edge of a front surface opening of the display chamber, and a cold air suction port provided in a lower edge of the opening, to form a cold air curtain in the front surface opening of the display chamber; LED lights which illuminate the inside of the display chamber from above; and light guide plates disposed on lower surfaces of the shelves, the light guide plates comprising respective light ray inlet portions that protrude forward from forward ends of the shelves in respective positions to accept light rays from the LED lights, each light guide plate comprising a light emitting surface located under the respective shelf provided with the light guide plate.