| 摘要 |
The present invention relates to a building door. More specifically, the present invention relates to the building door with a natural lighting and ventilation structure to enable natural lighting with a simple selective control of users while an anti-theft mode where a door is closed is applied to the door. More specifically, an amount of light can be controlled in accordance with the need of users and ventilation is enabled as necessary in order to enable ventilation in a safe state that the door is closed. In addition, a parcel or a letter can be safely received as necessary. Moreover, the present invention has a simplified structure and a stable operating structure and can be partially replaced when the door malfunctions. |
