Electron withdrawing group (EWG)-containing organic molecules for improved optical properties in AR/VR components
AssigneeMeta Platforms Technologies, LLC
InventorsLafe Joseph Purvis, II, Scheherzad Alvi, Viachaslau Bernat
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Abstract
An optical modulator includes an organic solid crystal thin film having an organic molecule and an electron withdrawing group (EWG) bonded to the organic molecule, a primary electrode disposed over a first region of the organic solid crystal thin film, and a secondary electrode disposed over a second region of the organic solid crystal thin film, wherein an optical property of the organic solid crystal thin film is configured to change in response to a changing voltage between the primary electrode and the secondary electrode.
Claims17
A thin film comprising:
- an anisotropic organic molecule;
- and
- an electron withdrawing group (EWG) bonded to the anisotropic organic molecule,
- wherein the electron withdrawing group is configured to change the polarizability of the anisotropic organic molecule.
A thin film comprising:
- an organic crystalline phase, the organic crystalline phase comprising an organic molecule and an electron withdrawing group (EWG) bonded to the anisotropic organic molecule,
- wherein the organic crystalline phase comprises a dopant selected from the group consisting of fluorine, chlorine, nitrogen, oxygen, sulfur, and phosphorus.
An optical modulator comprising:
- an organic solid crystal thin film comprising an organic molecule and an electron withdrawing group (EWG) bonded to the organic molecule;
- a primary electrode disposed over a first region of the organic solid crystal thin film;
- and
- a secondary electrode disposed over a second region of the organic solid crystal thin film, wherein an optical property of the organic solid crystal thin film is configured to change in response to a changing voltage between the primary electrode and the secondary electrode,
- wherein changing the voltage changes at least one of:
- a refractive index of the organic solid crystal thin film by at least approximately 0.0005;
- a birefringence of the organic solid crystal thin film by at least approximately 0.0005;
- and
- an amount of visible light absorbed by the organic solid crystal thin film by at least approximately 10%.
Dependencies are inferred from the claim text.