Patent ID: 7281819

Claim:
A traffic light structure comprising: an LED light source having a circuit board and multiple LEDs securely mounted on the circuit board; a front cover having a first incidence surface provided with multiple lenses each with rectangular lens elements and a first emergence surface; and an inner cover sandwiched between the front cover and the LED light source and having a second incidence surface and a second emergence surface provided with column set symmetrically arranged relative to a central axis on the second emergence surface so that light of the LEDs scattered and reflected by the inner cover and the front cover is inclined downward to a horizontal axis of the front cover; each of the column sets formed with five columns, an arcuate portion is formed on distal ends of each of the five columns and position of a central column in each of the column sets corresponds to position of arrangement of the LEDs; and pillars and convex lenses are provided to fill voids between the column sets and the second emergence surface.