Nath, Goldberg & Meyer
Display panel and display device
A display panel and a display device are disclosed. The display panel includes a first substrate, a liquid crystal layer, a waveguide layer, a grating layer, a quantum dot color filter layer, a first electrode and a second electrode, wherein the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; wherein a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between the refractive index of the liquid crystal layer and a refractive index of the grating layer.
BOE TECHNOLOGY GROUP CO., LTD.
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Xue Jifeng Wei
Dong Tan Wang