Patent ID: 7654721
Filing Date: 2010-02-02
Classification: B60Q,F21S,G02B

Abstract:
1. An LED lighting unit, comprising: a light guide including a flat panel formed of a transparent material and including one end surface, one other end surface located opposite to the one end surface, and one flat surface located between the one end surface and the other end surface and including a plurality of light diffusing patterns located on the one flat surface; a plurality of LEDs located along the one end surface of the light guide, each of the LEDs having an optical axis, and at least a portion of the LED optical axes being substantially parallel with respect to each other and directed towards the other end surface of the light guide; and a reflection board including a flat member having a bend portion and a reflector located on the bend portion, the reflection board extending from one end of the reflection board to an opposite end of the reflection board and along the one flat surface of the light guide, the bend portion being located at the opposite end of the reflection board and extending towards the optical axes of the LEDs at a predetermined angle.