Patent ID: 7841743

Claim:
A lighting apparatus comprising: a reflector having an open side that defines an axis of symmetry, and a reflective surface that extends from a periphery of said open side and that defines a compartment; a light source disposed in said compartment and operable to emit light toward said reflective surface, said reflective surface reflecting the light from said light source towards said open side; and a lens unit that is disposed to close said open side and that permits passage of the light reflected by said reflective surface therethrough, said lens unit including a central lens portion, and first and second side lens portions respectively disposed on two sides of said central lens portion that are on opposite sides of said axis of symmetry, wherein said central lens portion and said first and second side lens portions are Fresnel lenses, configured to redirect the reflected light from the reflective surface of the reflector, and wherein the lighting apparatus provides rectangularly-distributed illumination outwardly.