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A lighting assembly includes a number of LEDs and an optical element proximate each one of the LEDs. The optical elements are configured to direct light from that LED toward an area, such that the light intensity from each optical element is substantially uniform across all of the area. Each optical

A lighting assembly includes a number of LEDs and an optical element proximate each one of the LEDs. The optical elements are configured to direct light from that LED toward an area, such that the light intensity from each optical element is substantially uniform across all of the area. Each optical element includes a first element, a second element, and a third element that extends beyond the first and the second elements.

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1. An apparatus comprising a lighting assembly for illumination of a billboard, the lighting assembly comprising: a plurality of means for emitting light;means for mounting the plurality of means for emitting light;means for conducting heat thermally coupled to a first major surface of the means for

1. An apparatus comprising a lighting assembly for illumination of a billboard, the lighting assembly comprising: a plurality of means for emitting light;means for mounting the plurality of means for emitting light;means for conducting heat thermally coupled to a first major surface of the means for mounting the plurality of means for emitting light, the means for conducting heat including a plurality of fins extending away from the means for mounting a plurality of means for emitting light,wherein the plurality of means for emitting light is attached to a second major surface of the means for mounting a plurality of means for emitting light, wherein the second major surface is opposite the first major surface, wherein the plurality of means for emitting light is arranged in two rows and each row includes more than one of the plurality of means for emitting light; anda plurality of means for directing light that all have substantially the same structure, wherein each means for directing light of the plurality of means for directing light is proximate one associated means for emitting light of the plurality of means for emitting light such that light from each means for emitting light of the plurality of means for emitting light is configured to exit towards the billboard from an associated means for directing light, wherein each of the associated means for directing light comprises a first side, a second side opposite the first side, and a third side perpendicular to the first side and the second side,a first element disposed at the first side,a second element disposed at the second side, anda third element disposed at the third side, wherein the third element extends beyond the first element and the second element in a direction away from the means for emitting light,wherein, in the direction away from the associated means for emitting light, the first element includes a first outer surface protruding outwards and a first inner surface having a concave-like curvature and the second element includes a second outer surface protruding outwards and a second inner surface having a concave-like curvature, the second outer surface being different than the first outer surface and the second inner surface being different than the first inner surface,wherein the first outer surface joins with the second outer surface at a joint having an outer surface different from the first and the second outer surfaces, wherein the first inner surface joins with the second inner surface at the joint having an inner surface different from the first and the second inner surfaces. 2. The apparatus of claim 1, wherein the means for emitting light include light emitting diodes, and each row of the plurality of means for emitting light includes at least eight light emitting diodes. 3. An apparatus comprising a lighting assembly for illumination of an area, the assembly comprising: a plurality of light emitting diodes (LEDs); anda plurality of optical elements, wherein each optical element of the plurality of optical elements is proximate an associated LED of the plurality of LEDs, wherein each optical element of the plurality of optical elements comprises a first side, a second side opposite the first side, and a third side perpendicular to the first side and the second side,a first element disposed at the first side,a second element disposed at the second side, anda third element disposed at the third side,wherein the third element extends beyond the first element and the second element in a direction away from the associated LED of the plurality of LEDs,wherein, in the direction away from the associated LED, the first element includes a first convex outer surface and the second element includes a second convex outer surface different than the first outer convex surface, andwherein the first convex outer surface has a first peak at a first distance from a point on the associated LED and the second convex outer surface has a second peak spaced from the first peak, the second peak being at a second distance from the point on the associated LED; andwherein the first convex outer surface and the second convex outer surface connect at a connection region that is at a third distance from the point on the associated LED, wherein the third distance is shorter than the first distance as well as the second distance. 4. The apparatus of claim 3, wherein each optical element of the plurality of optical elements is separate from all of the other optical elements of the plurality of optical elements. 5. The apparatus of claim 3, wherein all of the plurality of optical elements are part of a single substrate. 6. The apparatus of claim 3, wherein the LEDs are arranged in only two rows, each row comprising a plurality of LEDs. 7. The apparatus of claim 3, further comprising a billboard having the area, wherein the light assembly is located adjacent the billboard to evenly illuminate the area. 8. The apparatus of claim 3, further comprising a billboard having the area, wherein the light assembly is located adjacent the billboard to evenly illuminate the area when a subset of the LEDs is not generating any light. 9. The apparatus of claim 3, wherein each optical element of the plurality of optical elements is associated with only one LED of the plurality of LEDs and is configured to direct light from that one LED toward an area such that the light from each optical element of the plurality of optical elements is directed across all of the area, wherein light intensity from each optical element of the plurality of optical elements is substantially even across all of the area. 10. The apparatus of claim 3, further comprising a heat sink comprising a plurality of fins thermally coupled to the plurality of LEDs. 11. The apparatus of claim 3, further comprising a thermally conductive substrate comprising a plurality of fins and a circuit board attached to the thermally conductive substrate, wherein the plurality of LEDs are secured to the circuit board and the plurality of fins extend away from the thermally conductive substrate in a direction opposite to the circuit board. 12. A billboard comprising: a support structure;a display surface mounted on the support structure; anda lighting assembly coupled to a structural member of the billboard at a position angled with respect to the display surface, wherein the lighting assembly comprises a plurality of light emitting diodes (LEDs) and a plurality of optical elements, wherein each optical element of the plurality of optical elements is proximate an associated LED of the plurality of LEDs,wherein each optical element of the plurality of optical elements comprises a first side, a second side opposite the first side, and a third side perpendicular to the first side and the second side,a first element comprising a first convex-shaped surface disposed at the first side,a second element comprising a second convex-shaped surface disposed at the second side, wherein the second convex-shaped surface intersects with the first convex-shaped surface at an acute angle in a region between the first element and the second element, wherein the light from the associated LED exits the optical element through the first and the second convex-shaped surfaces, anda third element disposed at the third side, wherein the third element extends beyond the first element and the second element in a direction away from the associated LED. 13. The billboard of claim 12, wherein the LEDs of the plurality of LEDs are spaced on the light assembly so that overlapping light from adjacent LEDs does not create interference patterns or result in dead spots on the display surface. 14. The billboard of claim 12, wherein the lighting assembly is located to illuminate a portion of the display surface, wherein the portion of the display surface comprises substantially all of the display surface. 15. The billboard of claim 12, wherein the lighting assembly is located to illuminate a portion of the display surface, wherein the portion of the display surface comprises a first half of the display surface. 16. The billboard of claim 15, further comprising a second lighting assembly located to illuminate a second portion of the display surface, the second lighting assembly comprising a plurality of LEDs and a plurality of optical elements, each optical element of the plurality of optical elements of the second lighting assembly being disposed over an associated LED of the plurality of optical elements of the second lighting assembly, wherein each optical element of the plurality of optical elements comprises a first side, a second side opposite the first side, and a third side perpendicular to the first side and the second side, a first element disposed at the first side, a second element disposed at the second side, and a third element disposed at the third side, wherein the third element extends beyond the first element and the second element in a direction away from the LED of the plurality of LEDs of the second lighting assembly;wherein the second portion of the display surface comprises a second half of the display surface;wherein the display surface has a width of forty-eight feet; andwherein the lighting assembly and the second lighting assembly are configured to generate sufficient uniform illumination so that all of the display surface can be illuminated using only the lighting assembly and the second lighting assembly. 17. The billboard of claim 16, wherein the light reaching the display surface has intensity that is provided with a uniformity across the display surface that achieves a 3:1 ratio of average illumination to minimum illumination. 18. The billboard of claim 16, further comprising a walkway disposed between the lighting assembly and the display surface, wherein the lighting assembly and the second lighting assembly are mounted to the walkway at different locations, wherein the lighting assembly and the second lighting assembly are located at a same height but are laterally spaced from each other along the walkway.