US 12,135,117 B2
Lamp heat dissipation system
Seong Yeon Han, Osan-si (KR)
Assigned to HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed by HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed on Oct. 24, 2023, as Appl. No. 18/493,679.
Claims priority of application No. 10-2022-0153430 (KR), filed on Nov. 16, 2022; and application No. 10-2022-0153437 (KR), filed on Nov. 16, 2022.
Prior Publication US 2024/0159378 A1, May 16, 2024
Int. Cl. F21S 45/48 (2018.01); F21S 41/147 (2018.01); F21S 41/25 (2018.01); F21S 41/675 (2018.01); F21S 45/43 (2018.01); F21V 29/503 (2015.01); F21V 29/505 (2015.01)
CPC F21S 45/48 (2018.01) [F21S 41/147 (2018.01); F21S 41/25 (2018.01); F21S 41/675 (2018.01); F21S 45/43 (2018.01); F21V 29/503 (2015.01); F21V 29/505 (2015.01)] 18 Claims
OG exemplary drawing
 
1. A lamp heat dissipation system comprising:
an illumination optical system comprising a light source and a digital micro-mirror device (DMD) module comprising a plurality of micro mirrors;
a projection optical system configured to receive light transmitted from the illumination optical system and project light outside the system; and
a heat dissipation unit configured to dissipate heat from the illumination optical system outside the system, wherein the heat dissipation unit comprises:
a first heat dissipation frame disposed between the light source and the DMD module, and having one end in contact with the light source, a heat sink being formed on the one end, and
a second heat dissipation frame having one surface with which the DMD module is in contact from a rear and another surface on which a heat sink is formed; and
wherein the heat dissipation unit is configured to simultaneously dissipate heat from each of the light source and the DMD module.