Alighting device , comprising: a base substrate transmitting an incident beam emitted by a light source, said base substrate being provided in a plate or film form and having a first surface and a second surface opposite to said first surface; and a three-dimensional effect forming part on said first surface of the base substrate , wherein the three-dimensional effect forming part has a pattern formed on a surface thereof opposite said first surface of said base substrate , the pattern having multiple pattern units, each of the pattern units having an inclined surface having an inclination angle with respect to the first surface, wherein the base substrate is a resin layer, and the three-dimensional effect forming part is provided as a pattern layer bonded to the first surface of the base substrate , wherein the pattern units have a semicircular shape and are distributed in a radial form from the same center, and wherein the base substrate comprises an incident surface which refers to a side that is concavely formed in a semicircular shape from one side of the base substrate , wherein a side of the light source faces to the incident surface of the base substrate , so that when the incident beam emitted by a light source disposed in the center of the pattern toward the incident surface is irradiated from the incident surface to the inside of the base substrate , the pattern guides the incident beam outside of the device in a first surface direction toward which the first surface looks or a second surface direction toward which a second surface opposite to the first surface looks, using refraction or reflection from the inclined surface , thereby displaying a line-shaped beam having a perceptional depth changing effect in a pattern arrangement direction. a base substrate transmitting an incident beam emitted by a light source, said base substrate being provided in a plate or film form and having a first surface and a second surface opposite to said first surface; and a three-dimensional effect forming part on said first surface of the base substrate , wherein the three-dimensional effect forming part has a pattern formed on a surface thereof opposite said first surface of said base substrate , the pattern having multiple pattern units, each of the pattern units having an inclined surface having an inclination angle with respect to the first surface, wherein the base substrate is a resin layer, and the three-dimensional effect forming part is provided as a pattern layer bonded to the first surface of the base substrate , wherein the pattern units have a semicircular shape and are distributed in a radial form from the same center, and wherein the base substrate comprises an incident surface which refers to a side that is concavely formed in a semicircular shape from one side of the base substrate , wherein a side of the light source faces to the incident surface of the base substrate , so that when the incident beam emitted by a light source disposed in the center of the pattern toward the incident surface is irradiated from the incident surface to the inside of the base substrate , the pattern guides the incident beam outside of the device in a first surface direction toward which the first surface looks or a second surface direction toward which a second surface opposite to the first surface looks, using refraction or reflection from the inclined surface , thereby displaying a line-shaped beam having a perceptional depth changing effect in a pattern arrangement direction. <EOS>