US 11,774,059 B2
Lamp for vehicle
Dongjin Ko, Gyeongsan-si (KR); Changwoo Baek, Gyeongsan-si (KR); Jaegon Seo, Gyeongsan-si (KR); and Jin-Sup Shin, Gyeongsan-si (KR)
Assigned to SL Corporation, Daegu (KR)
Filed by SL Corporation, Daegu (KR)
Filed on Nov. 23, 2022, as Appl. No. 17/993,159.
Claims priority of application No. 10-2021-0191200 (KR), filed on Dec. 29, 2021.
Prior Publication US 2023/0204179 A1, Jun. 29, 2023
Int. Cl. F21S 41/65 (2018.01); F21S 41/36 (2018.01); F21W 102/13 (2018.01)
CPC F21S 41/65 (2018.01) [F21S 41/36 (2018.01); F21W 2102/13 (2018.01)] 9 Claims
OG exemplary drawing
 
1. A lamp for a vehicle comprising a variable beam forming part that irradiates light and forms a variable beam pattern, wherein the variable beam forming part comprises:
a first optical part that generates the light;
a beam pattern forming part that reflects the light from the first optical part to form the variable beam pattern; and
a second optical part that transmits the light reflected from the beam pattern forming part,
wherein the beam pattern forming part comprises:
a reflection part including a plurality of micromirrors; and
a housing that accommodates the reflection part,
wherein the housing comprises:
an auxiliary housing to support the second optical part that extends from the housing; and
an anti-reflection member that prevents secondary reflection of the light reflected by the reflection part, and
wherein the anti-reflection member comprises a first light diffusion part formed on an inner bottom surface of the auxiliary housing and configured to diffuse incident light.