Patent ID: 9463479
Filing Date: 2016-10-11
CPC Classification: B05B

Claim Text:
1. A phosphor dispenser that ejects a phosphor liquid, the phosphor dispenser comprising: a nozzle having a space defined by a nozzle holder and a nozzle holder fixing unit coupled to an inner circumferential surface of the nozzle holder for accommodating the phosphor liquid, wherein an opening in the nozzle holder for ejecting the phosphor liquid supplied through a phosphor liquid inlet formed on a lateral side of the nozzle holder fixing unit, is connected to the space; and a tappet reciprocally movable with respect to the nozzle to eject the phosphor liquid in the space through the nozzle, wherein the tappet comprises a cylindrical unit having a cylindrical shape and a convex unit having a hemispherical shape that is convex towards the nozzle from the cylindrical unit, the convex unit includes polycrystalline diamond (PCD) including a plurality of diamond particles and a binder, the cylindrical unit includes no polycrystalline diamond (PCD), and the space is exposed to the outside of the phosphor dispenser through an opening, which the cylindrical unit penetrates through, on a top side of the nozzle holder fixing unit facing the nozzle.