Vehicle lighting device

1. A vehicle lighting device comprising:

a housing mounted inside a vehicle;

a light source part; and

an aluminum film part of which a shape changes according to an operation of the light source part.

2. The vehicle lighting device of claim 1 , further comprising a motor part configured to apply a load to the aluminum film part,

wherein a shape of the aluminum film part is deformed or restored according to the load applied by the motor part.

3. The vehicle lighting device of claim 2 , wherein, when the load is applied by the motor part, at least a portion of the aluminum film unit forms a repeated pattern.

4. The vehicle lighting device of claim 2 , wherein the motor part automatically applies a load in a preset range to the aluminum film part according to turning-on of a controller or the light source part.

5. The vehicle lighting device of claim 3 , wherein, when the load is not applied by the motor part, the formed pattern is removed, and the aluminum film part is restored to an original shape before formation of the pattern.

6. The vehicle lighting device of claim 2 , wherein the motor part automatically removes the load applied to the aluminum film part according to turning-off of a controller or the light source part.

7. The vehicle lighting device of claim 1 , wherein the light source part is provided with a light emitting diode (LED), and

the aluminum film part includes an aluminum film containing at least an aluminum material.

8. The vehicle lighting device of claim 1 , further comprising: a pattern plate through which a light emitted from the light source part or a light reflected by the aluminum film part passes.

9. The vehicle lighting device of claim 8 , wherein at least a portion of the pattern plate is disposed close to the aluminum film part.

10. The vehicle lighting device of claim 1 , further comprising: an outer cover disposed close to an outside of one or more of the housing, the light source part, and the aluminum film part.