US 12,331,899 B2
Lamp for vehicle and vehicle including the same
Hyun Soo Lee, Yongin-si (KR)
Assigned to HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed by HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed on Apr. 17, 2024, as Appl. No. 18/638,635.
Application 18/638,635 is a continuation of application No. 17/659,805, filed on Apr. 19, 2022, granted, now 11,988,348.
Claims priority of application No. 10-2021-0081846 (KR), filed on Jun. 23, 2021.
Prior Publication US 2024/0263754 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 6/42 (2006.01); F21S 41/20 (2018.01); F21S 41/24 (2018.01); F21V 8/00 (2006.01)
CPC F21S 41/24 (2018.01) [F21S 41/285 (2018.01); G02B 6/002 (2013.01); G02B 6/4268 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A lamp for a vehicle, the lamp comprising:
a light source configured to emit light;
a light guide into which the light is incident; and
a heat dissipation unit in contact with one side of the light guide,
wherein the light guide comprises a first region having a first side internal to the light guide, and having a second side opposite the first side, the second side being external to the light guide, and
wherein the heat dissipation unit is bonded directly to the second side of the first region with an adhesive, the heat dissipation unit comprises:
a light-impermeable material layer applied on the first region and being impermeable to visible rays; and
a metal member in contact with the light-impermeable material layer, the metal member comprising:
a lower region that faces the first region with the light-impermeable material layer therebetween; and
protrusion regions that protrude from both ends of the lower region in a horizontal direction.