US 11,889,717 B2
Light emission display element and device with polarized and angularly-controlled output
Zhimin Shi, Bellevue, WA (US); Yuge Huang, Oviedo, FL (US); Fenglin Peng, Redmond, WA (US); and Anurag Tyagi, Mill Creek, WA (US)
Assigned to META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed by META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed on Dec. 22, 2021, as Appl. No. 17/559,212.
Claims priority of provisional application 63/245,144, filed on Sep. 16, 2021.
Prior Publication US 2023/0084436 A1, Mar. 16, 2023
Int. Cl. H10K 50/852 (2023.01); G09G 3/00 (2006.01); G09G 3/32 (2016.01); H10K 50/822 (2023.01); H10K 59/12 (2023.01)
CPC H10K 50/852 (2023.02) [G09G 3/002 (2013.01); G09G 3/32 (2013.01); H10K 50/822 (2023.02); G09G 2320/0295 (2013.01); H10K 59/12 (2023.02)] 24 Claims
OG exemplary drawing
 
1. A display element, comprising:
an electroluminescent (EL) light source; and
a plurality of reflective elements, wherein the plurality of reflective elements form a resonant cavity for a polarization of light, at least one reflective element included in the plurality of reflective elements comprises an array of nanopillars or nanostructures, and each nanopillar or nanostructure in the array of nanopillars or nanostructures has a shape in a same orientation.