Optical structure and display device

An optical structure, comprising:

• a first lens, comprising a first surface and a second surface, wherein both the first surface and the second surface are non-planar surfaces;
• a transflective film, located at a side of the first surface away from the second surface,
• wherein the optical structure further comprises a light-transmitting flat plate assembly located at a side of the second surface away from the first surface, and the light-transmitting flat plate assembly comprises a light-transmitting flat plate, a phase retardation film and a polarizing reflective film, the polarizing reflective film is located at a side of the phase retardation film away from the first lens, and both the phase retardation film and the polarizing reflective film are located on a flat plate surface of the light-transmitting flat plate or inside the light-transmitting flat plate;
• the light-transmitting flat plate assembly further comprises a polarizing transmissive film, the polarizing transmissive film is located at a side of the polarizing reflective film away from the phase retardation film, and the polarizing transmissive film is located on the flat plate surface of the light-transmitting flat plate or inside the light-transmitting flat plate;
• the light-transmitting flat plat comprises a plurality of sub-flat plates arranged along a direction parallel to an optical axis of the first lens, and each of the plurality of sub-flat plates comprises two flat plate surfaces arranged in parallel and perpendicular to the optical axis of the first lens;
• at least one selected from the group consisting of the phase retardation film, the polarizing reflective film and the polarizing transmissive film is located on the flat plate surface, close to the first lens, of a sub-flat plate in the plurality of sub-flat plates which is closest to the first lens.

An optical structure, comprising:

• a first lens, comprising a first surface and a second surface, wherein both the first surface and the second surface are non-planar surfaces;
• a transflective film, located at a side of the first surface away from the second surface,
• wherein the optical structure further comprises a light-transmitting flat plate assembly located at a side of the second surface away from the first surface, and the light-transmitting flat plate assembly comprises a light-transmitting flat plate, a phase retardation film and a polarizing reflective film, the polarizing reflective film is located at a side of the phase retardation film away from the first lens, and both the phase retardation film and the polarizing reflective film are located on a flat plate surface of the light-transmitting flat plate or inside the light-transmitting flat plate;
• the light-transmitting flat plate assembly further comprises a polarizing transmissive film, the polarizing transmissive film is located at a side of the polarizing reflective film away from the phase retardation film, and the polarizing transmissive film is located on the flat plate surface of the light-transmitting flat plate or inside the light-transmitting flat plate;
• the phase retardation film, the polarizing reflective film and the polarizing transmissive film are all arranged inside the light-transmitting flat plate, and a portion of the light-transmitting flat plate at a side of the phase retardation film away from the polarizing reflective film and a portion of the light-transmitting flat plate at a side of the polarizing transmissive film away from the phase retardation film are arranged as an integrated structure.