US 12,336,322 B2
Transparent luminescent solar concentrator
Richard R. Lunt, III, Williamston, MI (US); and Chenchen Yang, Holt, MI (US)
Assigned to Board of Trustees of Michigan State University, East Lansing, MI (US)
Appl. No. 17/277,807
Filed by Board of Trustees of Michigan State University, East Lansing, MI (US)
PCT Filed Sep. 23, 2019, PCT No. PCT/US2019/052436
§ 371(c)(1), (2) Date Mar. 19, 2021,
PCT Pub. No. WO2020/068670, PCT Pub. Date Apr. 2, 2020.
Claims priority of provisional application 62/735,433, filed on Sep. 24, 2018.
Prior Publication US 2021/0351312 A1, Nov. 11, 2021
Int. Cl. H10F 77/42 (2025.01); H10F 77/45 (2025.01)
CPC H10F 77/484 (2025.01) [H10F 77/45 (2025.01); H10F 77/488 (2025.01); Y02E 10/52 (2013.01)] 32 Claims
OG exemplary drawing
 
1. A solar concentrator device comprising:
a waveguide comprising a luminophore and having a first refractive index, the luminophore being distributed across the waveguide;
a photovoltaic component operably coupled to, and in direct contact with, the waveguide; and
a film disposed onto a surface of the waveguide and configured to be disposed onto a substrate, wherein the film is smooth and has a second refractive index that is lower than the first refractive index of the waveguide, and the film extends uninterrupted across the entire surface of the waveguide,
wherein the waveguide and the film are visibly transparent, and
wherein the film comprises poly(1,1,1,3,3,3-hexafluoroisopropyl acrylate), poly(2,2,3,3,4,4,4-heptafluorobutyl acrylate), poly(2,2,3,3,4,4,4-heptafluorobutyl methacrylate), poly(2,2,3,3,3-pentafluoropropyl acrylate), poly(1,1,1,3,3,3-hexafluoroisopropy! methacrylate), poly(2,2,3,4,4,4-hexafluorobutyl acrylate), poly(2,2,3,4,4,4-hexafluorobutyl methacrylate), poly(2,2,3,3,3-pentafluoropropyl methacrylate), poly(2,2,2-trifluoroethyl acrylate), poly(2,2,3,3-tetrafluoropropyl acrylate), poly(2,2,3,3-tetrafluoropropyl methacrylate), poly(2,2,2-trifluoroethyl methacrylate), or a combination thereof.