PHOTOCONVERSION UNIT AND LIGHT LAMP APPARATUS INCLUDING THE SAME

摘要

An embodiment of the present invention relates to a photoconversion unit, which includes a first phosphor plate which includes a first substrate and a first phosphor pattern layer which is formed on at least one surface of the first substrate and includes first phosphor patterns separated by a preset distance; and a second phosphor plate which includes a second substrate and a second phosphor pattern layer which is formed on at least one surface of the second substrate and has second phosphor patterns separated by a preset distance. The first phosphor plate and the second phosphor plate are alternately stacked.