CPC F21S 41/321 (2018.01) [F21S 41/18 (2018.01)] | 14 Claims |
1. A lamp module, comprising:
a light source unit that generates light; and
a light guide unit that emits at least a portion of the light incident from the light source unit to generate a beam pattern,
wherein the light guide unit comprises:
a light incident portion configured to receive at least a portion of the light incident from the light source unit;
a light emitting portion configured to emit at least a portion of the light incident through the light incident portion; and
a transmission portion disposed between the light incident portion and the light emitting portion and configured to transmit at least a portion of the light incident through the light incident portion to the light emitting portion,
wherein the transmission portion comprises:
a shield portion including an edge portion formed along a rear focal plane of the light emitting portion and configured to obstruct a portion of the light that is incident through the light incident portion and directed to the light emitting portion,
wherein the edge portion comprises:
a stepped portion;
a first edge that extends in a horizontal direction from a lower end of the stepped portion; and
a second edge that extends in the horizontal direction from an upper end of the stepped portion, and
wherein the stepped portion is disposed spaced apart by a predetermined distance from an optical axis of the light emitting portion.
|