US 12,146,645 B2
Illumination device and projection device
Chia-Cheng Wu, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (TW)
Filed on Jan. 3, 2024, as Appl. No. 18/402,759.
Claims priority of application No. 202310013199.0 (CN), filed on Jan. 5, 2023.
Prior Publication US 2024/0230078 A1, Jul. 11, 2024
Int. Cl. F21V 29/71 (2015.01); F21V 29/503 (2015.01); F21Y 115/10 (2016.01); H04N 9/31 (2006.01)
CPC F21V 29/717 (2015.01) [F21V 29/503 (2015.01); H04N 9/3144 (2013.01); H04N 9/3164 (2013.01); F21Y 2115/10 (2016.08)] 19 Claims
OG exemplary drawing
 
1. An illumination device, comprising:
a first heat source, a second heat source, and a third heat source;
a first porous heat dissipation element, connected to the first heat source and having a first ventilation side, a second ventilation side, and a plurality of first flow channels, wherein the first ventilation side is opposite to the second ventilation side, and the plurality of first flow channels extend from the first ventilation side to the second ventilation side;
a second porous heat dissipation element, connected to the second heat source and having a third ventilation side, a fourth ventilation side, and a plurality of second flow channels, wherein the third ventilation side is opposite to the fourth ventilation side, and the plurality of second flow channels extend from the third ventilation side to the fourth ventilation side;
a third porous heat dissipation element, connected to the third heat source and having a fifth ventilation side, a sixth ventilation side, and a plurality of third flow channels, wherein the fifth ventilation side is opposite to the sixth ventilation side, and the plurality of third flow channels extend from the fifth ventilation side to the sixth ventilation side;
a first guide pipe, connected to the second ventilation side and the fifth ventilation side and communicated to the plurality of first flow channels and the plurality of third flow channels; and
a second guide pipe, connected to the fourth ventilation side and the sixth ventilation side and communicated to the plurality of second flow channels and the plurality of third flow channels.