Patent ID: 8506129
Filing Date: 2013-08-13
Classification: F21S,F21V,F21Y

Abstract:
1. A lighting unit comprising: an LED light source, and a lens body with a first side surface defining a light exiting surface having a substantially rectangular shape greater in width than in thickness, a second side surface opposite the first side surface, a front surface connected to the first side surface and the second side surface, and a rear surface connected to the first side surface and the second side surface, wherein: the LED light source faces the second side surface such that a ray of light emitted in a wide angle direction with respect to an optical axis of the LED light source travels toward the front and rear surfaces of the lens body, and such that a first ray of light emitted in a first narrow angle direction with respect to the optical axis enters the lens body through the second side surface; the lens body includes a first optical system, a second optical system, and a third optical system; the first optical system includes: the second optical system includes: the third optical system includes: