US 12,259,099 B2
Shield for improving dark parts and projection headlamp including the same
Hong Seok Kim, Seoul (KR)
Assigned to HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed by HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed on Oct. 31, 2023, as Appl. No. 18/498,238.
Claims priority of application No. 10-2022-0173622 (KR), filed on Dec. 13, 2022.
Prior Publication US 2024/0191855 A1, Jun. 13, 2024
Int. Cl. F21S 41/39 (2018.01); F21S 41/24 (2018.01); F21S 41/275 (2018.01); F21S 41/47 (2018.01); F21W 102/20 (2018.01)
CPC F21S 41/275 (2018.01) [F21S 41/24 (2018.01); F21S 41/39 (2018.01); F21S 41/47 (2018.01); F21W 2102/20 (2018.01)] 11 Claims
OG exemplary drawing
 
1. A shield for improving dark parts in a light emission area of a lamp, wherein the shield is disposed between a reflector and an aspherical lens of the lamp to control light emission area, the shield comprising:
a first shield part including a shield surface disposed at a same height as a focal height of the aspherical lens;
a reflection part including a downward sloping reflecting surface in contact with one end of the first shield part and having a predetermined angle with respect to the shield surface to slope downward from the one end of the shield surface; and
a dark part improvement element including a light guide located on the downward sloping reflecting surface and configured to diffuse light to a predetermined generation area of the dark part in the light emission area.