US 11,863,912 B2
Lighting unit and display with wavelength-selective illumination
Zhimin Shi, Bellevue, WA (US); Chloe Astrid Marie Fabien, Seattle, WA (US); and Wanli Chi, Sammamish, WA (US)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed on Jun. 7, 2022, as Appl. No. 17/834,731.
Prior Publication US 2023/0396744 A1, Dec. 7, 2023
Int. Cl. H04N 9/31 (2006.01); G02B 27/01 (2006.01); G02B 6/124 (2006.01); G02B 6/125 (2006.01); G02B 6/26 (2006.01)
CPC H04N 9/3129 (2013.01) [G02B 6/124 (2013.01); G02B 6/125 (2013.01); G02B 6/264 (2013.01); G02B 27/0172 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lighting unit for a display panel, the lighting unit comprising:
a substrate;
an array of arcuate waveguides supported by the substrate and running substantially parallel to one another to guide illuminating light therein; and
an array of out-couplers operably coupled to the array of arcuate waveguides and configured for out-coupling portions of the illuminating light from the array of arcuate waveguides, to illuminate the display panel.