Method for forming a vent port in a glass panel, and glass panel product manufactured using the same

A method for forming a vent port in a glass panel, the vent port discharging gas from a sealed space to the outside and being formed in either one of a pair of plate glasses which are separated from each other in a thickness direction to form the sealed space therebetween, the method comprising:

• forming an exhaust hole in either one of the plate glasses;
• vertically inserting a vent pipe-shaped sealant member into an upper portion of the exhaust hole, wherein the sealant member comprises a heterogeneous structure and wherein a portion thereof adjoining the plate glass has a lower softening point than a portion not adjoining the plate glass;
• discharging gas from a space between the plate glasses to the outside;
• heating the sealant member such that the sealant member becomes a fluid and the exhaust hole is closed by the sealant member having collapsed after being heated;
• and
• solidifying the sealant member remaining in the exhaust hole to ensure good sealing properties.