Optical assembly and rear-view mirror assembly comprising same

1. An optical assembly comprising:

a housing having an inclined bottom surface, a plurality of inner surfaces around an outer periphery of the bottom surface, and a receiving space in which an upper portion is opened;

a lighting module disposed on the inclined bottom surface;

an optical member disposed on the lighting module; and

a cover member disposed on the optical member,

wherein the lighting module includes:

a substrate inclinedly disposed on the inclined bottom surface;

at least one light emitting device disposed on the substrate; and

a resin layer sealing the light emitting device and the substrate,

wherein an upper surface of the resin layer emits light by diffusing light emitted from the light emitting device,

wherein the plurality of inner surfaces includes a first inner surface adjacent to the light emitting device, a second inner surface facing the first inner surface, and third and fourth inner surfaces facing each other and disposed between the first and second inner surfaces,

wherein a height between the bottom surface of the housing and an upper surface of the housing increases from the first inner surface toward the second inner surface, and decreases from the third inner surface toward the fourth inner surface,

wherein the cover member and the optical member are disposed in the receiving space,

wherein an upper surface of the optical member is inclined at a first inclination angle with respect to the upper surface of the housing, and

wherein the lower surface of the cover member is inclined at a second inclination angle with respect to an upper surface of the cover member.

2. The optical assembly of claim 1 ,

wherein the inclined bottom surface has the first inclination angle with respect to the upper surface of the housing,

wherein the first inclination angle is 15 to 40 degrees.

3. The optical assembly of claim 2 ,

wherein the lighting module has a constant thickness, and is disposed on the bottom surface at the first inclination angle with respect to the upper surface of the housing.

4. The optical assembly of claim 3 ,

wherein an optical axis of the light emitting device is inclined at the first inclination angle with respect to the upper surface of the housing.

5. The optical assembly of claim 1 ,

wherein the lighting module includes a reflective member disposed between the substrate and the resin layer,

wherein the reflective member includes an opening in which a lower portion of the light emitting device is disposed.

6. The optical assembly of claim 5 ,

wherein the reflective member includes a plurality of dots protruding from an upper surface of the reflective member.

7. The optical assembly of claim 1 ,

wherein an upper surface of the cover member is disposed on a same plane as the upper surface of the housing,

wherein a thickness between the upper surface and a lower surface of the cover member becomes thinner toward the fourth inner surface from the third inner surface, and

wherein the second inclination angle is 15 to 40 degrees.

8. The optical assembly of claim 1 ,

wherein a material of the housing or a surface of the receiving space comprises a black color.

9. A rear-view mirror assembly comprising:

a blocking member disposed on an optical assembly and including an opening region; and

a mirror member disposed on the blocking member,

wherein the optical assembly comprises:

a housing having an inclined bottom surface, a plurality of inner surfaces around an outer periphery of the bottom surface, and a receiving space in which an upper portion is opened;

a lighting module disposed on the inclined bottom surface;

an optical member disposed on the lighting nodule; and

a cover member disposed on the optical member,

wherein the lighting module includes:

a substrate inclinedly disposed on the inclined bottom surface;

at least one light emitting device disposed on the substrate; and

a resin layer sealing the light emitting device and the substrate,

wherein an upper surface of the resin layer emits light by diffusing light emitted from the light emitting device,

wherein the plurality of inner surfaces includes a first inner surface adjacent to the light emitting device, a second inner surface facing the first inner surface, and third and fourth inner surfaces facing each other and disposed between the first and second inner surfaces,

wherein a height between the bottom surface of the housing and an upper surface of the housing increases from the first inner surface toward the second inner surface, decreases from the third inner surface toward the fourth inner surface,

wherein a partial region of the mirror member overlaps the optical assembly and transmits light emitted from the optical assembly;

wherein the cover member and the optical member are disposed in the receiving space,

wherein an upper surface of the optical member is inclined at a first inclination angle with respect to the upper surface of the housing, and

wherein a lower surface of the cover member is inclined at a second inclination angle with respect to an upper surface of the cover member.

10. The rear-view mirror assembly of claim 9 ,

wherein the inclined bottom surface has the first inclination angle with respect to the upper surface of the housing, and

wherein the first inclination angle is 15 degrees to 40 degrees.

11. The rear-view mirror assembly of claim 9 ,

wherein the lighting module includes a reflective member disposed on the substrate,

wherein the reflective member includes an opening in which a lower portion of the light emitting device is disposed; and

a plurality of dots protruding from an upper surface of the reflective member.

12. The rear-view mirror assembly of claim 11 , further comprising:

an indicator portion formed in at least one of the opening region of the blocking member and one region of the mirror member overlapping the opening region, and

wherein the indicator portion is a rear-view mirror assembly disposed in a region overlapping the plurality of dots.

13. The rear-view mirror assembly of claim 11 ,

wherein the lighting module includes a light blocking portion disposed on the resin layer, and

wherein the light blocking portion is disposed in a region that does not overlap the opening region.

14. The rear-view mirror assembly of claim 9 ,

wherein the upper surface of the cover member is disposed on a same plane as the upper surface of the housing,

wherein a thickness between the upper surface and the lower surface of the cover member becomes thinner toward the fourth inner surface from the third inner surface, and

wherein the second inclination angle is 15 to 40 degrees.

15. The rear-view mirror assembly of claim 9 ,

wherein a material of the housing or a surface of the receiving space have a black color.

16. The rear-view mirror assembly of claim 10 ,

wherein the lighting module has a constant thickness, and

wherein the lighting module is disposed on the bottom surface of the housing at the first inclination angle with respect to the upper surface of the housing.

17. The optical assembly of claim 1 ,

wherein the inner surfaces of the housing include a fifth inner surface disposed between the second inner surface and the third inner surface, and a sixth inner surface disposed between the second inner surface and the fourth inner surface, and

wherein a height between the bottom surface of the housing and the upper surface of the housing is highest in a region adjacent to the fifth inner surface.

18. The optical assembly of claim 17 ,

wherein a height between the bottom surface of the housing and the upper surface of the housing is lowest at a first intersection point between the first inner surface and the fourth inner surface.

19. The optical assembly of claim 17 ,

wherein a planar shape of the lighting module is a same as a shape of the bottom surface of the housing.

20. The optical assembly of claim 17 ,

wherein a shape of the upper surface of the optical member is a same as a shape of an upper surface of the lighting module.