A lighting device for generating multiple line-shaped beams with three dimensional effect to the outside thereof, comprising: an optical member and a light source portion arranged to irradiate light to the optical member, the optical member comprising: a three-dimensional effect forming portion provided on a first surface of a base substrate; and a multiple effect forming portion disposed in a lamination form on a second surface of the base substrate, the second surface arranged opposite to the first surface in a thickness direction of the base substrate, wherein a pattern extension direction (P1,P2,P3,P3) is a direction in which a straight line formed by two adjacent inclined surfaces of the three-dimensional effect forming portion extends, or a direction in which a tangent line in contact with a curved line formed by two adjacent inclined surfaces of the three-dimensional effect forming portion extends, and wherein the three-dimensional effect forming portion has multiple main patterns sequentially arranged in a first direction on the first surface and having respective inclined surfaces with an inclination angle with respect to the first surface, the inclined surfaces of each of the multiple main patterns extending along its pattern extension direction, at least a part of the pattern extension direction crossing at right angle to the first direction and the thickness direction being a direction which crosses at right angle to the first direction and the pattern extension direction, and wherein the pattern extension directions of the multiple main patterns implement a line shaped beam of a first path crossing at right angles to respective pattern extension directions of the multiple main patterns by guiding a first incident beam into a first surface direction toward which the first surface looks or a second surface direction toward which the second surface of the base substrate opposite to the first surface looks, through refraction or reflection from the inclined surfaces, the brightness of the line shaped beams reducing as a distance from the light source portion increases as viewed in a direction roughly vertical to the first surface, and characterized in that the multiple effect forming portion comprises multiple optical patterns which are provided on the second surface of the base substrate and sequentially arranged in a second direction crossing at right angle to the first direction of the multiple main patterns, and wherein the multiple optical patterns of the multiple effect forming portion are configured to convert the line shaped beam of the first path into the multiple line shaped beams with three-dimensional effect. a three-dimensional effect forming portion provided on a first surface of a base substrate; and a multiple effect forming portion disposed in a lamination form on a second surface of the base substrate, the second surface arranged opposite to the first surface in a thickness direction of the base substrate, wherein a pattern extension direction (P1,P2,P3,P3) is a direction in which a straight line formed by two adjacent inclined surfaces of the three-dimensional effect forming portion extends, or a direction in which a tangent line in contact with a curved line formed by two adjacent inclined surfaces of the three-dimensional effect forming portion extends, and wherein the three-dimensional effect forming portion has multiple main patterns sequentially arranged in a first direction on the first surface and having respective inclined surfaces with an inclination angle with respect to the first surface, the inclined surfaces of each of the multiple main patterns extending along its pattern extension direction, at least a part of the pattern extension direction crossing at right angle to the first direction and the thickness direction being a direction which crosses at right angle to the first direction and the pattern extension direction, and wherein the pattern extension directions of the multiple main patterns implement a line shaped beam of a first path crossing at right angles to respective pattern extension directions of the multiple main patterns by guiding a first incident beam into a first surface direction toward which the first surface looks or a second surface direction toward which the second surface of the base substrate opposite to the first surface looks, through refraction or reflection from the inclined surfaces, the brightness of the line shaped beams reducing as a distance from the light source portion increases as viewed in a direction roughly vertical to the first surface, and characterized in that the multiple effect forming portion comprises multiple optical patterns which are provided on the second surface of the base substrate and sequentially arranged in a second direction crossing at right angle to the first direction of the multiple main patterns, and wherein the multiple optical patterns of the multiple effect forming portion are configured to convert the line shaped beam of the first path into the multiple line shaped beams with three-dimensional effect.