Patent ID: 9151461
Filing Date: 2015-10-06
Classification: F21S,G02B

Abstract:
1. A lens for a vehicular lamp comprising: an outer annular portion surrounding a central axis, with the outer annular portion including an incident face on a rear thereof, with the outer annular portion further including a light guiding portion in front of the incident face, and with the light guiding portion including a reflective face on an outer side thereof; and a central portion surrounded by the outer annular portion and connected to the light guiding portion, with the central portion including a front face and a rear face spaced from the front face along the central axis, with the front face including an outer edge connected to the reflective face, with the rear face including a plurality of grooves recessed towards the front face, with a portion of light rays from a light source entering the light guiding portion via the incident face of the outer annular portion adapted to transmit out of the lens via the reflective face, and with another portion of the light rays adapted to be reflected to the central portion and to reach the plurality of grooves.