Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sarum Han0
Hoon Park0
Date of Patent
February 6, 2024
0Patent Application Number
179526220
Date Filed
September 26, 2022
0Patent Citations
Patent Primary Examiner
Patent abstract
A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources spaced apart from each other at predetermined intervals on the substrate; a resin layer disposed on the substrate; a phosphor layer disposed on the resin layer and having a pattern layer including a concave portion and a convex portion formed on a surface facing the resin layer; and a diffusion layer disposed between the resin layer and the phosphor layer, wherein a thickness of the diffusion layer may be 10% or more and less than 50% of the maximum thickness of the phosphor layer.
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