Light source assembly

1. A light source assembly comprising:

a frame comprising a plurality of device regions;

a plurality of radiators mounted on the device regions and configured to be detachable therefrom; and

a light source comprising a substrate mounted on the plurality of radiators, and a plurality of light emitting devices mounted on the substrate and configured to be disposed in positions corresponding to the device regions above the radiators, respectively,

wherein the substrate mounted on the plurality of radiators extends such that the plurality of radiators are connected to one another by the substrate, and

wherein the substrate is configured to be disposed above the frame and spaced apart from the frame by the plurality of radiators.

2. The light source assembly of claim 1 , wherein:

plurality of device regions are configured to be at different height levels, and

wherein the plurality of radiators are mounted on the plurality of device regions, and the plurality of light emitting devices are disposed at positions corresponding to the plurality of device regions above the plurality of radiators.

3. The light source assembly of claim 1 , wherein the frame further comprises first frame portions comprising the device regions, and second frame portions extended in a direction perpendicular to the first frame portions, and

wherein the first frame portions and the second frame portions are alternately connected to each other in an extended step structure.

4. The light source assembly of claim 3 , wherein the first frame portions further comprise mounting surfaces on which the radiators are mounted, and side walls forming spaces defining the device regions together with the mounting surfaces, and

wherein the mounting surfaces each comprise a radiation hole provided in a central portion of the mounting surfaces and configured to allow air to flow therethrough.

5. The light source assembly of claim 1 , wherein the radiators each comprise:

a base member on which the light emitting device is disposed and supported; and

support members extended from two edges of the base member in a direction perpendicular to a direction of the base member, and mounted on the device regions.

6. The light source assembly of claim 5 , wherein the radiators each further comprise auxiliary support members extended from two remaining edges of the base member in the direction perpendicular to the direction of the base member.

7. The light source assembly of claim 5 , wherein the radiators each further comprise a radiating rod extending from a lower surface of the base member.

8. The light source assembly of claim 5 , wherein:

the frame further comprises guide members in each of the device regions; and

the support members are insertedly fixed to the device regions by the guide members when the support members are mounted on the device regions.

9. The light source assembly of claim 5 , wherein the base member comprises at least one alignment hole configured to guide a disposition of the light emitting device.

10. The light source assembly of claim 3 , wherein the substrate is between the plurality of radiators and the plurality of light emitting devices.

11. A light source assembly comprising:

a frame comprising a plurality of device regions;

a plurality of radiators each comprising a base member, and support members bent and extended from two edges of the base member, mounted on each of the device regions and configured to be detachable from the device regions through the support members;

a light source comprising a substrate mounted on the plurality of radiators, and a plurality of light emitting devices mounted on the substrate and configured to be disposed in positions corresponding to the device regions above the base member; and

fixers selectively fastened to the support members and configured to allow the support members to be mounted on the device regions so as to be detachable from the device regions,

wherein the substrate mounted on the plurality of radiators extends such that the plurality of radiators are connected to one another by the substrate, and

wherein the substrate is configured to be disposed above the frame and spaced apart from the frame through the plurality of radiators.

12. The light source assembly of claim 11 , wherein the fixers are elastically provided on sides of the frame contacting the support members on the device regions and comprise protrusion members protruded toward the device regions.

13. The light source assembly of claim 12 , wherein the support members comprise fastening holes into which the protrusion members are inserted when the support members are mounted on the device regions.

14. The light source assembly of claim 11 , wherein:

the frame further comprises first frame portions comprising the device region, and second frame portions extended in a direction perpendicular to the first frame portions; and

the first frame portions and the second frame portions are alternately connected to each other in an extended step structure.

15. The light source assembly of claim 14 , further comprising:

wherein the plurality of radiators are mounted on the plurality of device regions, and the plurality of light emitting devices are disposed at positions corresponding to the plurality of device regions above the plurality of radiators, and

wherein the substrate is between the plurality of radiators and the plurality of light emitting devices.

16. A light source assembly comprising:

a frame comprising a plurality of device regions;

a plurality of radiators detachably mounted on the device regions and each comprising a base member for mounting a light emitting device, the plurality of radiators are configured to discharge heat from the light emitting device into spaces between the device regions and the radiators; and

a substrate mounted on the plurality of radiators,

wherein the substrate mounted on the plurality of radiators extends such that the plurality of radiators are connected to one another by the substrate, and

wherein the substrate is configured to be disposed above the frame and spaced apart from the frame through the plurality of radiators.

17. The light source assembly of claim 16 , further comprising:

a plurality of light emitting devices mounted on the substrate;

wherein the plurality of device regions are configured to be at different height levels, and

wherein the plurality of radiators are mounted on the plurality of device regions.

18. The light source assembly of claim 16 , wherein:

the frame further comprises first frame portions comprising the device regions, and second frame portions extended in a direction perpendicular to the first frame portions; and

the first frame portions and the second frame portions are alternately connected to each other in an extended step structure.

19. The light source assembly of claim 18 , wherein the first frame portions further comprise mounting surfaces on which the radiators are mounted, and side walls forming the space defining the device regions together with the mounting surfaces, and the mounting surfaces comprise the spaces in central portions of the mounting surfaces which are configured to allow the heat to discharge therethrough.

20. The light source assembly of claim 16 , wherein the radiators further comprise support members extended from two edges of the base member in a direction perpendicular to a direction of the base member and mounted on the device regions.