Patent ID: 9068706
Filing Date: 2015-06-30
Classification: F21L,F21S,F21V,F21W

Abstract:
1. A device comprising: a side wall including an upper region and a lower region; a base engaged with the lower region of the side wall; an upper surface extending from the upper region of the side wall to form an upper recess, wherein the upper surface includes an aperture; a projection screen, which does not move in physical space, wherein: a first source of light positioned below the upper surface, wherein the first source of light projects light through the aperture onto the projection screen; a second source of light positioned below the upper surface, wherein the second source of light projects light through the aperture onto the projection screen; and circuitry electrically connected to the first source of light and the second source of light, wherein the circuitry independently controls intensities of the light projected by the first source of light and the second source of light onto the projection screen.