Patent ID: 11953777
Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 8:
9. A display module, comprising a display panel and a light grating assembly disposed on a side of the display panel;
wherein the light grating assembly comprises a plurality of first regions and a plurality of second regions alternately disposed, one of the second regions is disposed between adjacent two of the first regions;
wherein the light grating assembly further comprises:
a first substrate;
a second substrate disposed opposite to the first substrate; and
a liquid crystal layer disposed between the first substrate and the second substrate and comprising first polymer liquid crystals and first dye molecules distributed in the first regions and second polymer liquid crystals and second dye molecules distributed in the second regions, and the first polymer liquid crystals comprises first liquid crystal molecules and first polymer structures, the second polymer liquid crystals comprises second liquid crystal molecules and second polymer structures;

wherein the display module switches between a first mode and a second mode, under the first mode, light entering the liquid crystal layer along a third direction has a refractive index through the first liquid crystal molecules the same as a refractive index through the first polymer structures, long axes of the second liquid crystal molecules and long axes of the second dye molecules are arranged along the third direction, and the third direction is perpendicular to the first substrate and the second substrate such that the light passes through the first regions and the second regions, under the second mode, light entering the liquid crystal layer along the third direction has the refractive index through the first liquid crystal molecules the same as the refractive index through the first polymer structures, and has a refractive index through at least some of the second liquid crystal molecules different from a refractive index through the second polymer structures such that an amount of the light passing through the first regions is greater than an amount of the light passing through the second regions.