US 11,795,329 B2
Black titanium dioxide LiDAR reflecting particles and vehicles comprising the same
Songtao Wu, Ann Arbor, MI (US); Debasish Banerjee, Ann Arbor, MI (US); and Kan Huang, Farmington Hills, MI (US)
Assigned to Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US)
Filed by Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US)
Filed on Nov. 10, 2020, as Appl. No. 17/93,737.
Claims priority of provisional application 62/934,307, filed on Nov. 12, 2019.
Prior Publication US 2021/0139713 A1, May 13, 2021
Int. Cl. C09D 5/33 (2006.01); C09C 1/36 (2006.01); G01S 7/481 (2006.01)
CPC C09D 5/004 (2013.01) [C09C 1/3661 (2013.01); G01S 7/481 (2013.01); C01P 2004/03 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2004/86 (2013.01); C01P 2006/40 (2013.01); C01P 2006/60 (2013.01)] 19 Claims
OG exemplary drawing
 
1. Black titanium dioxide comprising:
a crystalline titanium dioxide core; and
an amorphous titanium dioxide shell that encompasses the crystalline titanium dioxide core, wherein
the black titanium dioxide has a reflectivity of electromagnetic radiation in the visible spectrum that is less than or equal to 15% and a reflectivity for near-IR and LiDAR electromagnetic radiation that is greater than or equal to 10%.