Edge-lit lighting device

1. An edge-lit lighting fixture, comprising:

a light emitting panel (LEP);

a first light emitting diode (LED) light source positioned proximal to a narrow outer perimeter edge of the LEP and configured to emit a first light into the LEP through the narrow outer perimeter edge, the first light having a first intensity level;

a second LED light source positioned proximal to the narrow outer perimeter edge of the LEP and configured to emit a second light into the LEP through the narrow outer perimeter edge, the second light having a second intensity level, wherein the first LED light source and the second LED light source are positioned at different locations proximal to the narrow outer perimeter edge of the LEP; and

a motion sensor positioned at a broad surface of the LEP to detect a motion in an area, wherein the first LED light source and the second LED light source are powered on based on the motion sensor, and wherein the edge-lit lighting fixture is configured to provide an illumination light that illuminates the area through the broad surface of the LEP, the illumination light resulting from the first light and the second light that are emitted into the LEP through the narrow outer perimeter edge of the LEP.

2. The edge-lit lighting fixture of claim 1 , wherein the LEP has a circular shape.

3. The edge-lit lighting fixture of claim 2 , wherein the motion sensor is positioned at a center of the broad surface of the LEP.

4. The edge-lit lighting fixture of claim 1 , wherein the first LED light source and the second LED light source are positioned opposite to each other with respect to the LEP.

5. The edge-lit lighting fixture of claim 1 , wherein the first LED light source and the second LED light source are positioned approximately 90 degrees from each other with respect to a center of the LEP.

6. The edge-lit lighting fixture of claim 1 , further comprising a frame positioned adjacent the narrow outer perimeter edge of the LEP.

7. The edge-lit lighting fixture of claim 6 , wherein the frame has a circular outer perimeter and a circular inner perimeter, wherein the first LED light source and the second LED light source are covered from view by the frame from below the edge-lit lighting fixture.

8. The edge-lit lighting fixture of claim 1 , wherein the first intensity level and the second intensity level are different from each other.

9. The edge-lit lighting fixture of claim 1 , wherein the first intensity level and the second intensity level are adjustable to intensity levels that are different from each other, and wherein a distribution pattern of the illumination light is changeable by adjusting one of the first intensity level and the second intensity level.

10. The edge-lit lighting fixture of claim 1 , wherein the LEP has a polygon shape.

11. An edge-lit lighting fixture, comprising:

a light emitting panel (LEP);

a first light emitting diode (LED) light source positioned proximal to a narrow outer perimeter edge of the LEP and configured to emit a first light into the LEP through the narrow outer perimeter edge;

a second LED light source positioned proximal to the narrow outer perimeter edge of the LEP and configured to emit a second light into the LEP through the narrow outer perimeter edge, wherein the first LED light source and the second LED light source are positioned at different locations proximal to the narrow outer perimeter edge of the LEP; and

a motion sensor positioned at a broad surface of the LEP to detect a motion in an area, wherein the first LED light source and the second LED light source are powered on based on the motion sensor and wherein the edge-lit lighting fixture provides an illumination light that illuminates the area through the broad surface of the LEP, the illumination light resulting from the first light and the second light that are emitted into the LEP through the narrow outer perimeter edge of the LEP.

12. The edge-lit lighting fixture of claim 11 , further comprising a frame positioned adjacent the narrow outer perimeter edge of the LEP.

13. The edge-lit lighting fixture of claim 12 , wherein the motion sensor and at least a portion of the broad surface of the LEP are viewable from below the edge-lit lighting fixture.

14. The edge-lit lighting fixture of claim 13 , wherein the first LED light source and the second LED light source are hidden from view by the frame from below the edge-lit lighting fixture.

15. The edge-lit lighting fixture of claim 11 , wherein the LEP has a circular shape.

16. The edge-lit lighting fixture of claim 11 , wherein the LEP has a polygon shape.

17. An edge-lit lighting fixture, comprising:

a light emitting panel (LEP) having a broad surface and a narrow outer perimeter edge around the broad surface;

light emitting diode (LED) light sources, wherein each LED light source of the LED light sources is positioned at a respective location proximal to the narrow outer perimeter edge of the LEP and oriented to emit a respective light into the LEP through the narrow outer perimeter edge of the LEP;

a frame having a circular inner perimeter and a circular outer perimeter, wherein the frame is positioned adjacent the narrow outer perimeter of the LEP; and

a motion sensor positioned at the broad surface of the LEP to detect a motion in an area, wherein a first LED light source and a second LED light source are powered on based on the motion sensor, and wherein the edge-lit lighting fixture provides an illumination light that illuminates the area, the illumination light resulting from the respective lights emitted into the LEP through the narrow outer perimeter edge of the LEP.

18. The edge-lit lighting fixture of claim 17 , wherein the broad surface of the LEP is exposed for view from below the edge-lit lighting fixture.

19. The edge-lit lighting fixture of claim 18 , wherein the LED light sources are hidden from view by the frame from below the edge-lit lighting fixture.

20. The edge-lit lighting fixture of claim 18 , wherein the LEP has a circular shape or a polygon shape.