A luminescence device comprising: a substrate including; a substrate body including a top surface and a bottom surface, a first metal layer disposed on the top surface and including a first electrode pattern and a second electrode pattern electrically isolated from the first electrode pattern, a first LED chip; a second LED chip; a dam disposed on the first metal layer and surrounding the first LED chip and the second LED chip, a first phosphor is disposed adjacent to an electrode pad _on a portion of the first LED chip; a second phosphor is disposed on a portion of the second LED chip; in that the first phosphor and the second phosphor are separated with each other; and characterized in that the first LED chip is disposed on the first electrode pattern; the second LED chip is disposed on the second electrode pattern; a reflection prevention unit having a flat shape is disposed on the dam and spaced from the first and second phosphors, a second metal layer is disposed under the bottom surface; the electrode pad is disposed on a portion of the first LED chip in a direction in which the second electrode pattern is disposed, in one section of the luminescence device, the first metal layer is extended to the outside of the dam, the width of the outermost of the dam is smaller than the width of the substrate, the width of the reflection prevention unit is smaller than the width of the outermost of the dam, and wherein the substrate body has a thickness of 0.2 to 0.32 mm, the first metal layer and the second metal layer are copper layers and have a thickness of 0.15 to 0.25 mm, and the electrode patterns are separated from each other by a distance within a range of 0.25 to 0.4 mm. a substrate including; a substrate body including a top surface and a bottom surface, a first metal layer disposed on the top surface and including a first electrode pattern and a second electrode pattern electrically isolated from the first electrode pattern, a substrate body including a top surface and a bottom surface, a first metal layer disposed on the top surface and including a first electrode pattern and a second electrode pattern electrically isolated from the first electrode pattern, a first LED chip; a second LED chip; a dam disposed on the first metal layer and surrounding the first LED chip and the second LED chip, a first phosphor is disposed adjacent to an electrode pad _on a portion of the first LED chip; a second phosphor is disposed on a portion of the second LED chip; in that the first phosphor and the second phosphor are separated with each other; and characterized in that the first LED chip is disposed on the first electrode pattern; the second LED chip is disposed on the second electrode pattern; a reflection prevention unit having a flat shape is disposed on the dam and spaced from the first and second phosphors, a second metal layer is disposed under the bottom surface; the electrode pad is disposed on a portion of the first LED chip in a direction in which the second electrode pattern is disposed, in one section of the luminescence device, the first metal layer is extended to the outside of the dam, the width of the outermost of the dam is smaller than the width of the substrate, the width of the reflection prevention unit is smaller than the width of the outermost of the dam, and wherein the substrate body has a thickness of 0.2 to 0.32 mm, the first metal layer and the second metal layer are copper layers and have a thickness of 0.15 to 0.25 mm, and the electrode patterns are separated from each other by a distance within a range of 0.25 to 0.4 mm. in one section of the luminescence device, the first metal layer is extended to the outside of the dam, the width of the outermost of the dam is smaller than the width of the substrate, the width of the reflection prevention unit is smaller than the width of the outermost of the dam, and wherein the substrate body has a thickness of 0.2 to 0.32 mm, the first metal layer and the second metal layer are copper layers and have a thickness of 0.15 to 0.25 mm, and the electrode patterns are separated from each other by a distance within a range of 0.25 to 0.4 mm.