Patent ID: 11906841
Assignee: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A polarizing device, comprising:
a first polarizing layer and at least two second polarizing layers,
wherein each of two sides of the first polarizing layer is provided with respective at least one of the second polarizing layers;
a light transmission axis of the first polarizing layer is parallel to the first polarizing layer, a phase delay axis of the second polarizing layer is parallel to the second polarizing layer, an orthographic projection of the light transmission axis onto the first polarizing layer intersects with an orthographic projection of the phase delay axis onto the first polarizing layer to form an included angle, the included angle is configured to convert linear polarized light incident on the polarization assembly into polarized light to be emitted from the polarization assembly, a cross section of the polarized light to be emitted from the polarization assembly is of a closed curve pattern, and the cross section is perpendicular to an light-emitting direction of the polarized light,
wherein the second polarizing layer has a phase delay in a range of being not less than 6000 nm and being no more than 10000 nm.