Patent ID: 11933995
Assignee: META PLATFORMS TECHNOLOGIES, LLC
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. The optical diffuser of claim 10, wherein the first light has a wavelength within a first predefined spectral range, the optical diffuser further comprising:
a third surface proximate to the second surface; and
optically anisotropic molecules disposed between the second surface and the third surface and arranged such that the optical diffuser diffuses a first portion of the second light and transmits a second portion of the second light, wherein:
the first portion of the second light has a wavelength within a second predefined spectral range that is different from the first predefined spectral range; and
the second portion of the second light has a wavelength outside of the first predefined spectral range and the second predefined spectral range.