US 12,331,919 B2
LED lighting device and method for assembling LED lighting device
Ketak An, Paramus, NJ (US)
Assigned to Bitro Group, Inc., Hackensack, NJ (US)
Filed by Bitro Group, Inc., Hackensack, NJ (US)
Filed on Apr. 5, 2023, as Appl. No. 18/131,080.
Claims priority of provisional application 63/334,857, filed on Apr. 26, 2022.
Prior Publication US 2023/0341106 A1, Oct. 26, 2023
Int. Cl. F21V 3/06 (2018.01); B29C 45/14 (2006.01); B29K 75/00 (2006.01); B29L 31/00 (2006.01); F21Y 115/10 (2016.01)
CPC F21V 3/0625 (2018.02) [B29C 45/14 (2013.01); B29K 2075/00 (2013.01); B29L 2031/747 (2013.01); F21Y 2115/10 (2016.08)] 13 Claims
OG exemplary drawing
 
1. A method for assembling an LED lighting device comprising:
providing a polyurethane compound;
mixing a diffuser compound with the polyurethane compound to form a combined compound;
injecting the combined compound into a cartridge;
applying a vacuum to the cartridge;
sealing the cartridge at a first pressure lower than ambient pressure;
providing an LED lighting assembly having a front panel and a frame, the frame extending past the front panel to form an enclosed tray in a shape of the front panel; and
dispensing the combined compound from the cartridge into the enclosed tray,
wherein the polyurethane compound and the combined compound are in liquid form until dispensed from the cartridge, and wherein the combined compound cures to a solid in the enclosed tray.