The sequential lighting device of the lamp according to claim 1, wherein the light source in the housing is positioned at the second side of the light guide.ġ4. The sequential lighting device of the lamp according to claim 11, wherein the emission portion has the plurality of optics, a number of which is increased from the first side toward the second side and the plurality of optics is filled from the first side to the second side of the light guide.ġ3. The sequential lighting device of the lamp according to claim 1, wherein the emission portion has a plurality of optics which is arranged to be increased from the first side toward the second side of the emission portion.ġ2. The sequential lighting device of the lamp according to claim 1, wherein the emission portion includes: a sequential lighting section in which the plurality of optics is arranged spirally from the first side to the second side along the rotation direction of the light guide and an entire lighting section in which the plurality of optics is positioned adjacent to a side of the sequential lighting section and arranged linearly.ġ1. The sequential lighting device of the lamp according to claim 7, wherein the notches are formed to protrude inwards the circumferential surface of the light guide.ġ0. The sequential lighting device of the lamp according to claim 1, wherein the light guide has notches formed on the circumferential surface of the light guide so that the light radiated from the light source is reflected therein.Ĩ. The sequential lighting device of the lamp according to claim 1, wherein the light guide is formed so that a reflectivity of the circumferential surface thereof is higher than a reflectivity of the emission portion.ħ. The sequential lighting device of the lamp according to claim 1, wherein the light guide is cylindrically formed and the light radiated from the light source is reflected therein to be moved in a longitudinal direction of the light guide, and then the light is emitted through the emission portion formed on the circumferential surface.Ħ. The sequential lighting device of the lamp according to claim 3, wherein the light guide has notches formed on the circumferential surface of the light guide, wherein the notches are formed to protrude inwards the circumferential surface of the light guide, and wherein a radius of each optic in the emission portion is larger than a radius of each notch.ĥ. The sequential lighting device of the lamp according to claim 1, wherein the emission portion includes the plurality of optics which is formed to protrude outwardly from the circumferential surface of the light guide.Ĥ. The sequential lighting device of the lamp according to claim 1, further including a bezel formed to cover the light guide in a state in which the bezel is mounted to the housing, wherein the bezel includes a light emission hole formed to extend linearly in an axial direction of the bezel so that the light emitted from the emission portion of the light guide is emitted outward through the light emission hole.ģ.
A sequential lighting device of a lamp, the device comprising: a housing which is formed to extend linearly in an axial direction of the housing, and has a light source provided at an end portion of the housing and a light guide which is formed to extend linearly in the axial direction of the housing, and mounted to the housing in the axial direction of the housing, wherein the light guide is rotatable in a circumferential direction of the light guide, wherein the light guide includes: an end portion mounted adjacent to the light source so that a light radiated from the light source is incident and an emission portion through which the light is emitted, the emission portion being formed on a circumferential surface of the light guide, and formed to extend from a first side to a second side along the circumferential surface, and changing an emission position of the light according to a rotational position of the light guide, and wherein the emission portion has a plurality of optics which is arranged spirally from the first side to the second side along a rotation direction of the light guide.Ģ.
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