US 11,835,195 B1
Rear lamp with alarm function for vehicle
Ming Yuan Zhao, Seoul (KR); Jik Soo Shin, Incheon (KR); Young Sub Oh, Suwon-Si (KR); and Wendong Liao, Wuhu (CN)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and Wuhu Anrui Optoelectronics Co., Ltd, Wuhu (CN)
Filed by Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and Wuhu Anrui Optoelectronics Co., Ltd, Wuhu (CN)
Filed on Dec. 12, 2022, as Appl. No. 18/079,602.
Claims priority of application No. 202210849483.7 (CN), filed on Jul. 19, 2022.
Int. Cl. F21S 43/50 (2018.01); F21S 43/31 (2018.01); F21S 43/14 (2018.01); F21S 43/20 (2018.01); F21W 103/45 (2018.01)
CPC F21S 43/50 (2018.01) [F21S 43/14 (2018.01); F21S 43/26 (2018.01); F21S 43/31 (2018.01); F21W 2103/45 (2018.01)] 15 Claims
OG exemplary drawing
 
1. A rear lamp apparatus for a vehicle, the rear lamp apparatus comprising:
a light source;
a single reflector having a focal point centered on the light source, wherein the single reflector is configured to reflect light emitted from the light source as substantially parallel light rays directed in one direction;
a lamp housing accommodating the light source and the reflector therein; and
a unitary mask coupled to the lamp housing and transmitting the light reflected by the reflector to an outside of the rear lamp apparatus therethrough,
wherein the unitary mask includes a first optical device and a second optical device, wherein the first optical device is configured to receive a first portion of the substantially parallel light rays and the second optical device is configured to receive a second portion of the substantially parallel light rays, and
wherein the first optical device is configured to direct the first portion of the substantially parallel light rays as a pattern on a road surface, and
wherein the second optical device is configured to direct the second portion of the substantially parallel light rays such that a rear light distribution rule of the rear lamp apparatus is satisfied.