A display device comprising: a lighting device including: a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on a surface of the circuit substrate; a reflection layer (23, 32) disposed on the surface of the circuit substrate, the reflection layer comprising: a first region having a plurality of openings where the respective light sources are located, a second region connected to the first region, wherein the second region is located at an edge of the first region wherein the second region has an inclination with respect to the first region, and a hole pattern having a plurality of through holes provided in the second region of the reflection layer (23, 32), wherein at least two through holes of the hole pattern are different in size, and wherein a largest through hole is disposed in a location close to a corresponding light source; an optical sheet disposed on the light sources; and a liquid crystal panel on the lighting device. a lighting device including: a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on a surface of the circuit substrate; a reflection layer (23, 32) disposed on the surface of the circuit substrate, the reflection layer comprising: a first region having a plurality of openings where the respective light sources are located, a second region connected to the first region, wherein the second region is located at an edge of the first region wherein the second region has an inclination with respect to the first region, and a hole pattern having a plurality of through holes provided in the second region of the reflection layer (23, 32), wherein at least two through holes of the hole pattern are different in size, and wherein a largest through hole is disposed in a location close to a corresponding light source; an optical sheet disposed on the light sources; and a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on a surface of the circuit substrate; a reflection layer (23, 32) disposed on the surface of the circuit substrate, the reflection layer comprising: a first region having a plurality of openings where the respective light sources are located, a second region connected to the first region, wherein the second region is located at an edge of the first region wherein the second region has an inclination with respect to the first region, and a hole pattern having a plurality of through holes provided in the second region of the reflection layer (23, 32), wherein at least two through holes of the hole pattern are different in size, and wherein a largest through hole is disposed in a location close to a corresponding light source; a first region having a plurality of openings where the respective light sources are located, a second region connected to the first region, wherein the second region is located at an edge of the first region wherein the second region has an inclination with respect to the first region, and a hole pattern having a plurality of through holes provided in the second region of the reflection layer (23, 32), wherein at least two through holes of the hole pattern are different in size, and wherein a largest through hole is disposed in a location close to a corresponding light source; an optical sheet disposed on the light sources; and a liquid crystal panel on the lighting device.