The embodiment relates to a curing device, the body portion having a through hole in the center, a lens portion disposed at one end of the body portion through hole, a heat dissipation portion disposed in the through hole of the body portion, and a heat dissipation disposed in the through hole An ultraviolet light emitting element disposed in the portion, and a reflection portion disposed between the inner surface of the through-hole and the heat dissipation portion, the ultraviolet light emitting element is disposed between the reflection portion and the heat dissipation portion, and the reflection portion is opposite to the ultraviolet light emitting element A slope including a slope and a reflective surface facing the ultraviolet light emitting element may be a curved surface having a curvature that reflects light of the ultraviolet light emitting element and emits horizontal light.
展开▼
