| 摘要 |
According to the present invention, an ejector comprises: a body unit having a first liquid substance accommodation space which accommodates a liquid substance to be ejected; a nozzle installed to be connected to the first liquid substance accommodation space to eject the liquid substance; an elevation unit of which at least a part is installed to be inserted into the first liquid substance accommodation space to be ascended and descended, and controlling the liquid substance accommodated in the first liquid substance accommodation space to be supplied to the nozzle to be ejected; and an ejection driving member installed at an upper portion of the elevation unit to drive at least any one from rotation and horizontal movement, and descending the elevation unit toward a nozzle direction or providing a driving force to ascend the same toward a direction opposite to a position of the nozzle. According to embodiments of the present invention, the height difference of a step portion of the ejection driving member, which is the height difference between protrusions and grooves, is adjusted, thereby controlling the height of the ascending and descending of the elevation unit, so a liquid crystal can be ejected in a fine size from the nozzle. Also, the number of ejection can be controlled by controlling each width of the protrusions and grooves of the ejection driving member or the number of the protrusions and grooves. Furthermore, the ejection speed of the liquid substance can be controlled and improved by controlling the speed of rotation or vertical movement action of the ejection driving member. |
