Display apparatus, electronic device, and transportation means

A transportation means, comprising:

• a display apparatus, comprising:
• a picture generation unit configured to generate imaging light comprising image information and to project the imaging light along a light path;
• a transflective member positioned along the light path and configured to reflect imaging light received from the picture generation unit;
• a curved mirror positioned along the light path and configured to reflect imaging light to the transflective member, wherein:
• the transflective member is further configured to transmit at least a portion of imaging light reflected by the curved mirror;
• a first polarizer located on a light-emitting side of a diffusion element;
• and
• the diffusion element positioned along the light path between the picture generation unit and the transflective member that is configured to diffuse the imaging light projected by the picture generation unit, wherein the transflective member comprises:
• a semi-reflective and semi-transparent film;
• and
• a second polarizer, wherein:
• the semi-reflective and semi-transparent film is configured to reflect a first part of the imaging light to the curved mirror and to transmit a second part of the imaging light to the second polarizer,
• wherein the second polarizer is configured to absorb the second part of the imaging light and to transmit the imaging light reflected by the curved mirror,
• the imaging light reflected by the semi-reflective and semi-transparent film is P polarized light, the imaging light absorbed by the second polarizer is P polarized light, and the imaging light transmitted by the second polarizer is S polarized light;
• or
• the imaging light reflected by the semi-reflective and semi-transparent film is S polarized light, the imaging light absorbed by the second polarizer is S polarized light, and the imaging light transmitted by the second polarizer is P polarized light.

A display apparatus, comprising:

• a picture generation unit configured to generate imaging light comprising image information and to project the imaging light along a light path;
• a transflective member positioned along the light path and configured to reflect imaging light received from the picture generation unit;
• and
• a curved mirror positioned along the light path and configured to reflect imaging light to the transflective member,
• wherein the transflective member is further configured to transmit at least a portion of imaging light reflected by the curved mirror;
• wherein the transflective member comprises:
• a semi-reflective and semi-transparent film;
• and
• a polarizer;
• wherein:
• wherein the semi-reflective and semi-transparent film is configured to reflect a first part of the imaging light to the curved mirror and to transmit a second part of the imaging light to the polarizer;
• and
• wherein the polarizer is configured to absorb the second part of the incident imaging light and to transmit the imaging light reflected by the curved mirror,
• wherein the imaging light reflected by the semi-reflective and semi-transparent film is circularly polarized light or elliptically polarized light, and the imaging light transmitted by the semi-reflective and semi-transparent film is circularly polarized light or elliptically polarized light,
• wherein the transflective member further comprises a polarization conversion device positioned between the semi-reflective and semi-transparent film and the polarizer, and
• wherein the polarization conversion device is configured to change a polarization direction of the circularly polarized light or the elliptically polarized light transmitted by at least one of the semi-reflective and semi-transparent film or a polarization direction of circularly polarized light or elliptically polarized light reflected by the curved mirror.