A method for presenting image content in two operating modes, B1 for a viewing mode with a restricted viewing angle, and B2 for a viewing mode with an unrestricted viewing angle, comprising: providing a first image generator radiating image content into a restricted viewing angle; providing a second image generator radiating image content into an unrestricted viewing angle, wherein the second generator is in front of the first, and is partially transparent to light from the first, and deflects, on at least 50% of its surface, at least 90% of the light passed by it, by maximally 10°; switching on the first generator to start mode B1, wherein the second generator is switched to a transparent state and scatters only a negligible portion of light from the first generator, to retain the restricted viewing angle; and switching on the second generator to start mode B2.

A method for presenting image content in two operating modes, B1 for a viewing mode with a restricted viewing angle, and B2 for a viewing mode with an unrestricted viewing angle, comprising: providing a first image generator radiating image content into a restricted viewing angle; providing a second image generator radiating image content into an unrestricted viewing angle, wherein the second generator is in front of the first, and is partially transparent to light from the first, and deflects, on at least 50% of its surface, at least 90% of the light passed by it, by maximally 10°; switching on the first generator to start mode B1, wherein the second generator is switched to a transparent state and scatters only a negligible portion of light from the first generator, to retain the restricted viewing angle; and switching on the second generator to start mode B2.

A display device includes a view generator, for generating a plurality of input view numbers according to a plurality of reference parameters; a view curve modifier, coupled to the view generator, for generating a plurality of output view numbers according to the plurality of input view numbers and at least one S curve; a three dimensional (3D) image data sampling module, coupled to the view curve modifier, for adjusting image data of a plurality of pixels according to the plurality of output view numbers; and a display module, coupled to the 3D image data sampling module, for displaying at least one image according to the plurality of pixels and the image data.

A display device includes a view generator, for generating a plurality of input view numbers according to a plurality of reference parameters; a view curve modifier, coupled to the view generator, for generating a plurality of output view numbers according to the plurality of input view numbers and at least one S curve; a three dimensional (3D) image data sampling module, coupled to the view curve modifier, for adjusting image data of a plurality of pixels according to the plurality of output view numbers; and a display module, coupled to the 3D image data sampling module, for displaying at least one image according to the plurality of pixels and the image data.

An image processing device, including an image generation circuit and a multifocal length processing circuit, is provided. The image generation circuit generates multiple depth plane images with depth information and multiple corresponding zoom control information, and merges the multiple depth plane images and the multiple zoom control information according to an arrangement rule, to be a merged image data. The multifocal length processing circuit is configured to decompose the merged image data to restore the multiple depth plane images and the corresponding multiple zoom control information according to the arrangement rule, and to determine a time at which the restored multiple depth plane images are transmitted to a display device and a time at which the restored multiple zoom control information are transmitted to a zoom lens according to a frame rate of the display device. The disclosure also provides an image processing method and a 3D image generation system.

The invention discloses a three-dimensional display method for large field of view and small viewing-zone interval. A display screen constructed by sub-screens with adjacent ones emitting lights of different exclusive optical characteristics is employed, and sequentially-switching aperture-arrays are placed close to a pupil of the viewer. M apertures of an aperture array correspond to the M sub-screens by a one-to-one manner in turn, to make the transmittance of each aperture to the light from the corresponding sub-screen be greater than that to the lights from the adjacent non-corresponding sub-screens by a ratio larger than 9. The corresponding apertures of a sub-screen in different aperture-arrays are arranged with an interval not larger than the diameter of the pupil. At a time-point, only one aperture-array gets open, and all aperture-arrays get open sequentially at different time-points of a time-period. At each time-point, each sub-screen presents optical information to the corresponding turned-on aperture synchronously. When the time-period is small enough, a three-dimensional display with large field of view and small viewing-zone interval gets implemented.

The invention discloses a three-dimensional display method for large field of view and small viewing-zone interval. A display screen constructed by sub-screens with adjacent ones emitting lights of different exclusive optical characteristics is employed, and sequentially-switching aperture-arrays are placed close to a pupil of the viewer. M apertures of an aperture array correspond to the M sub-screens by a one-to-one manner in turn, to make the transmittance of each aperture to the light from the corresponding sub-screen be greater than that to the lights from the adjacent non-corresponding sub-screens by a ratio larger than 9. The corresponding apertures of a sub-screen in different aperture-arrays are arranged with an interval not larger than the diameter of the pupil. At a time-point, only one aperture-array gets open, and all aperture-arrays get open sequentially at different time-points of a time-period. At each time-point, each sub-screen presents optical information to the corresponding turned-on aperture synchronously. When the time-period is small enough, a three-dimensional display with large field of view and small viewing-zone interval gets implemented.

The invention relates to an automatic calibration method for image arrangement of a naked-eye 3D display screen and electronic device. The method comprise: S1, displaying a first 3D test image on a display screen according to a preset viewing distance, and acquiring a mirror image of the first 3D test image in a flat mirror through a camera, wherein the first 3D test image comprises a first monochrome 3D left image and a black 3D right image; S2, adjusting a 3D display rotation angle and a left-right offset of a display screen according to a preset algorithm, acquiring a mirror image and acquiring the number of effective pixel points of the largest pixel block in each mirror image; S3, taking the 3D display rotation angle and the left-right offset corresponding to the mirror image to which the selected maximum effective pixel point number belongs as calibration parameters.

The invention relates to an automatic calibration method for image arrangement of a naked-eye 3D display screen and electronic device. The method comprise: S1, displaying a first 3D test image on a display screen according to a preset viewing distance, and acquiring a mirror image of the first 3D test image in a flat mirror through a camera, wherein the first 3D test image comprises a first monochrome 3D left image and a black 3D right image; S2, adjusting a 3D display rotation angle and a left-right offset of a display screen according to a preset algorithm, acquiring a mirror image and acquiring the number of effective pixel points of the largest pixel block in each mirror image; S3, taking the 3D display rotation angle and the left-right offset corresponding to the mirror image to which the selected maximum effective pixel point number belongs as calibration parameters.

A display device, including: an optical system including an aerial imaging element, and a reflective member having a mirror surface that reflects light, wherein the reflective member is arranged so as to reflect first entering light to emit to the aerial imaging element as second entering light, the first entering light is emitted from a projected object and is reflected by the aerial imaging element, and wherein the aerial imaging element reflects the first entering light so as to form a first real image in a position that is in plane symmetry with the projected object with respect to a plane in which the aerial imaging element is formed; and reflects the second entering light so as to form a second real image in a position that is in plane symmetry with a virtual image of the first real image formed by the reflective member with respect to the plane.