Laminated patch antenna, antenna array, and antenna package

An antenna package comprising:

• a plurality of stacked patch antennas;
• and
• a control chip configured to provide a high-frequency electrical signal (or a high-frequency feed signal) to the plurality of stacked patch antennas,
• wherein each of the plurality of stacked patch antennas comprises an upper ground plate comprising a first upper hole, a first feed pad provided on the upper ground plate, a first feed line extending from the first feed pad along a first direction, a lower antenna patch provided on the first feed pad, an upper antenna patch provided on the lower antenna patch, a first upper pad provided in the first upper hole, and a first upper stub protruding from a side surface of the first upper pad.