NOVELTY - A light ray steering assembly comprises an electro-optic prism for controllably steering the solar rays (207) and a wavelength selective filter. The electro-optic prism comprises an electro-optic material (250) positioned between first electrode and reference electrode such that, when separately controllable voltages are provided to some of linear electrodes, a gradient electric field is provided within the electro-optic material to cause the electro-optic material to have a refractive index gradient, which can be controlled by varying the magnitude of controllable voltages.    USE - A light rays steering assembly used in solar energy collection assembly, which is used for receiving artificial or naturally occurring light. Can also be used on crafts that exit the Earth's atmosphere, such as space shuttle or space station.    ADVANTAGE - The light rays can be steered in one or more directions with an assembly that does not require physical adjustment to account for a moving light source. The assembly exhibits reduced size, less complicated mounting structure, and reduced cost.    DETAILED DESCRIPTION - A light ray steering assembly comprises an electro-optic prism for controllably steering the solar rays (207) and a wavelength selective filter in optical communication with the electro-optic prism. The electro-optic prism comprises a first electrode comprising parallel linear electrodes (210a-210f) positioned on a first substrate (220); a reference electrode (230) positioned on a second substrate (240); and an electro-optic material (250) positioned between the first electrode and the reference electrode such that, when separately controllable voltages are provided to some of the linear electrodes, a gradient electric field is provided within the electro-optic material to cause the electro-optic material to have a refractive index gradient, which can be controlled by varying the magnitude of the separately controllable voltages. The wavelength selective filter eliminates selected wavelengths from solar rays before the solar rays are received by the electro-optic prism. The assembly further comprises a photovoltaic device in optical communication with a light focusing element (140).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of solar energy collection assemblies including electro-optic prisms.    Light focusing element (140)    Solar rays (207)    Parallel linear electrodes (210a-210f)    First substrate (220)    Reference electrode (230)    Second substrate (240)    Electro-optic material (250)