Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light emitting device comprising the same, a method for preparing the same, and a composition for organic layer.

Abstract: According to an embodiment of the present invention, a container collecting apparatus is provided. The container collecting apparatus includes: a container input unit for at least temporarily accommodating a container inserted; and a collection unit provided below the container input unit to collect the container transferred from the container input unit, wherein the container input unit includes: a holding unit on which the container is seated; an opening penetratively formed at one side of the holding unit to transfer the container to the collection unit; and a transfer unit provided with a transfer plate for transferring the container put on the holding unit to the opening by moving from the opposite side of the holding unit toward the opening.

Abstract: According to an embodiment of the present invention, a door apparatus is provided. The door apparatus includes: a door unit moving between a first position for closing an accommodation part, which at least temporarily accommodates an object, and a second position for opening the accommodation part; a driving unit coupled to the door unit to move the door unit; and a guide unit provided on both sides of an inlet of the accommodation part to guide the movement of the door unit, wherein the door unit is disposed at the inlet of the accommodation part at the first position to close the accommodation part, and is disposed at an inner upper end of the accommodation part at the second position to open the accommodation part.