Illumination device

1. An illumination device, comprising:

a light emitting portion including a light source;

an intermediate portion connected to the light emitting portion;

a supporting portion connected to the intermediate portion and supporting the light emitting portion and the intermediate portion; and

a connecting portion including a first connecting portion and a second connecting portion, the first connecting portion connecting the light emitting portion and the intermediate portion such that the light emitting portion and the intermediate portion are rotatable with respect to each other around a first axis extending in a first direction, and the second connecting portion connecting the intermediate portion and the supporting portion such that the intermediate portion and the supporting portion are rotatable with respect to each other around a second axis extending in a second direction that is nonparallel with the first direction,

wherein the light emitting portion and the intermediate portion connected to the first connecting portion, and the intermediate portion and the supporting portion connected to the second connecting portion, rotate based on the first and second connecting portions,

wherein the light emitting portion, the intermediate portion, and the supporting portion are arranged in a single plane when the light emitting portion, the intermediate portion, and the supporting portion are unfolded based on the first and second connecting portions,

wherein a center of gravity of the illumination device is located in a lower portion of the illumination device to enable the illumination device to stand, and

wherein a rotation angle at the connecting portion is adjusted based on a measurement of a relationship between the first axis, which corresponds to an axis of rotation between the light emitting portion and the intermediate portion, and the second axis, which corresponds to an axis of rotation between the intermediate portion and the supporting portion.

2. The illumination device of claim 1 , wherein the connecting portion is configured as a hinge.

3. The illumination device of claim 1 , further comprising:

a cover portion to cover an external side of the connecting portion to prevent the connecting portion from being exposed to an external environment.

4. The illumination device of claim 3 , wherein the cover portion is configured as an elastic material.

5. The illumination device of claim 3 , wherein an external shape of the cover portion includes a wave shape or an uneven shape.

6. The illumination device of claim 1 , wherein the light source is configured as a surface light source having a planar shape.

7. The illumination device of claim 1 , wherein the center of gravity of the illumination device is located in the supporting portion to enable the illumination device to stand.

8. An illumination device, comprising:

a light emitting portion including a light source;

an intermediate portion connected to the light emitting portion;

a supporting portion connected to the intermediate portion, and supporting the light emitting portion and the intermediate portion; and

a connecting portion including a first connecting portion and a second connecting portion, the first connecting portion connecting the light emitting portion and the intermediate portion such that the light emitting portion and the intermediate portion are rotatable with respect to each other around a first axis extending in a first direction, and the second connecting portion connecting the intermediate portion and the supporting portion such that the intermediate portion and the supporting portion are rotatable with respect to each other around a second axis extending in a second direction that is nonparallel with the first direction,

wherein the intermediate portion includes a plurality of intermediate members connected by connecting portions, and the light emitting portion and the intermediate portion, the plurality of intermediate members, and the intermediate portion and the supporting portion rotate based on the connecting portions, and the light emitting portion, the intermediate portion, the plurality of intermediate members, and the supporting portion are arranged in a single plane when the light emitting portion, the intermediate portion, the plurality of intermediate member, and the supporting portion are unfolded based on the connecting portions,

wherein when at least one pair of the intermediate portion and the light emitting portion, the plurality of intermediate members, and the intermediate portion and the and the supporting portion rotates with respect to each other and forms a three-dimensional (3D) shape, a center of gravity of the illumination device is located in a lower portion to enable the illumination device to stand and maintain the 3D shape, and

wherein a rotation angle at the connecting portion is adjusted based on a measurement of a Relationship between the first axis, which corresponds to an axis of rotation between the light emitting portion and the intermediate portion, and the second axis, which corresponds to an axis of rotation between the intermediate portion and the supporting portion.

9. The illumination device of claim 8 , wherein, when the plurality of intermediate members, the intermediate portion and the light emitting portion, and the intermediate portion and the supporting portion rotate with respect to each other, at least two rotation axes are oblique and form a predetermined angle.

10. The illumination device of claim 8 , further comprising:

a fixing portion equipped with an external object,

wherein the supporting portion is equipped with the fixing portion and is detachable.

11. The illumination device of claim 8 , wherein the supporting portion and the fixing portion are combined based on at least one of a forced fit scheme, a slide scheme, a combination scheme using a magnetic force, and a clamp scheme.

12. The illumination device of claim 8 , wherein the center of gravity of the illumination device is located in the supporting portion to enable the illumination device to stand.

13. An illumination device system, comprising:

a light emitting portion including a light source;

an intermediate portion connected to the light emitting portion;

a supporting portion connected to the intermediate portion and supporting the light emitting portion and the intermediate portion; and

a connecting portion formed of an elastic material and including a first connecting portion and a second connecting portion, the first connecting portion connecting the light emitting portion and the intermediate portion and being foldable based on a first axis extending in a first direction, and the second connecting portion connecting the intermediate portion and the supporting portion and being foldable based on a second axis extending in a second direction that is different from the first direction, wherein:

a shape of the first connecting portion is changed when the light emitting portion and the intermediate portion are folded, and a shape of the second connecting portion is changed when the intermediate portion and the supporting portion are folded, and

each of the first connecting portion and the second connecting portion has their original shapes when the first connecting portion and the second portion are unfolded based on the first axis and the second axis,

a center of gravity of the illumination device system is located in a lower portion of the illumination device system to enable the illumination device system to stand, and

a rotation angle at the connecting portion is adjusted based on a measurement of a relationship between the first axis, which corresponds to an axis of rotation between the light emitting portion and the intermediate portion, and the second axis, which corresponds to an axis of rotation between the intermediate portion and the supporting portion.

14. The illumination device system of claim 13 , wherein, the light emitting portion, the intermediate portion, and the supporting portion are arranged in a straight line.

15. The illumination device system of claim 13 , wherein the first direction is nonparallel with the second direction.

16. The illumination device system of claim 13 , wherein the light emitting portion and the intermediate portion connected to the first connecting portion, and the intermediate portion and the supporting portion connected to the second connecting portion, rotate based on the connecting portions.

17. The illumination device system of claim 13 , wherein the center of gravity of the illumination device system is located in the supporting portion to enable the illumination device to stand.