LG has announced pricing and availability for the ProBeam DBU510P, which the company will release later this month. The ProBeam DBU510P relies on a laser light source that should last up to 20,000 hours and runs webOS 4.5, among other features.
https://www.notebookcheck.net/LG-ProBeam-DBU510P-Pricing-and-availability-of-4K-laser-projector-announced.609503.0.html