LIGHTING DEVICE INCLUDING PHOSPHOR COVER AND METHOD OF MANUFACTURING THE SAME

摘要

In a first aspect of the present inventive subject matter, a lighting device includes a light source including a light-emitting surface, and a phosphor cover including a spiral surface that covers the light-emitting surface of the light source. In a second aspect of the present inventive subject matter, a phosphor cover including a spiral surface may include one or more layers. In a third aspect of the present inventive subject matter, a method manufacturing a lighting device includes: rolling up a phosphor film from one end to another end to form a roll with spiral surfaces both ends of the roll of the phosphor film.

主权项

1. A lighting device comprising:
a light source comprising a light-emitting surface; and a phosphor cover comprising a spiral surface that covers the light-emitting surface of the light source.