US Patent 11513380 Dual-sided transparent display panel

Embodiments of a dual-sided transparent display panel are presented herein. One embodiment comprises a first layer of electro-optic material, the first layer of electro-optic material including an outer surface and an inner surface; a second layer of electro-optic material, the second layer of electro-optic material including an outer surface and an inner surface; a waveguide disposed between the inner surface of the first layer of electro-optic material and the inner surface of the second layer of electro-optic material; one or more light sources disposed along an edge of the waveguide that is perpendicular to the inner and outer surfaces of the first and second layers of electro-optic material; a first grating coating adjacent to the outer surface of the first layer of electro-optic material; and a second grating coating adjacent to the outer surface of the second layer of electro-optic material.