A 3D grating and a 3D display apparatus are provided. The 3D grating comprises a first refraction layer and a second refraction layer that are stacked, wherein refractive indexes of the first refraction layer and the second refraction layer are different; and an anti-reflection layer is arranged at least on a joint surface of the first refraction layer and the second refraction layer, or an end surface, away from the second refraction layer, of the first refraction layer. The 3D grating improves a transmittance of the 3D display apparatus.

A 3D grating and a 3D display apparatus are provided. The 3D grating comprises a first refraction layer and a second refraction layer that are stacked, wherein refractive indexes of the first refraction layer and the second refraction layer are different; and an anti-reflection layer is arranged at least on a joint surface of the first refraction layer and the second refraction layer, or an end surface, away from the second refraction layer, of the first refraction layer. The 3D grating improves a transmittance of the 3D display apparatus.

Provided is an electronic device including a display to output an image, a parallax optical element configured to provide light corresponding to the image to a plurality of viewpoints, an input interface configured to receive an input to calibrate the parallax optical element by a user who observes a pattern image from a reference viewpoint among the plurality of viewpoints, and a processor configured to output the pattern image generated by rendering a calibration pattern toward the reference viewpoint, adjust at least one of a pitch parameter, a slanted angle parameter, and a position offset parameter of the parallax optical element based on the input, and output, by the display, the pattern image adjusted by re-rendering the calibration pattern based on an adjusted parameter.

A display device is provided. The display device includes: a plurality of sub-pixels and a light splitting structure including a plurality of light splitting portions. Each of the plurality of sub-pixels includes a plurality of display units, the plurality of sub-pixels are arranged as a plurality of sub-pixel row groups, each of the plurality of sub-pixel row groups includes at least two rows of sub-pixels, a gap is provided between two adjacent sub-pixels in each row of sub-pixels, and two adjacent rows of sub-pixels in each sub pixel row groups are shifted from each other in a row direction so that a sub-pixel in one row and the gap between two adjacent sub-pixels in another row are shifted from each other; a ratio of a size of each light splitting portions along the row direction to a pitch of the sub-pixels is in a range from 0.9 to 1.1.

A switchable floating image display device, including a light-emitting stack layer, a light-emitting pattern stack layer, a transparent barrier layer, an optical imaging module, and a power supply module, is provided. The light-emitting stack layer is configured to generate a first pattern beam. The light-emitting pattern stack layer is configured to generate a second pattern beam. The transparent barrier layer is disposed between the light-emitting stack layer and the light-emitting pattern stack layer. The optical imaging module is configured to enable the first pattern beam to form a first floating image, and enable the second pattern beam to form a second floating image. The power supply module is electrically connected to the light-emitting stack layer and the light-emitting pattern stack layer, and configured determine whether to generate the first or second floating image by switching between the light-emitting stack layer and the light-emitting pattern stack layer to emit light.

A switchable floating image display device, including a light-emitting stack layer, a light-emitting pattern stack layer, a transparent barrier layer, an optical imaging module, and a power supply module, is provided. The light-emitting stack layer is configured to generate a first pattern beam. The light-emitting pattern stack layer is configured to generate a second pattern beam. The transparent barrier layer is disposed between the light-emitting stack layer and the light-emitting pattern stack layer. The optical imaging module is configured to enable the first pattern beam to form a first floating image, and enable the second pattern beam to form a second floating image. The power supply module is electrically connected to the light-emitting stack layer and the light-emitting pattern stack layer, and configured determine whether to generate the first or second floating image by switching between the light-emitting stack layer and the light-emitting pattern stack layer to emit light.

Autostereoscopic display device comprising a backlight (66), a display panel (62) comprising rows and columns of pixels and a lenticular arrangement (60, 64), wherein the backlight (66) provides a striped output comprising stripes in the column direction or offset by an acute angle to the column direction the lenticular arrangement comprises a first lenticular lens array (60) on the side of the display panel (62) facing the display output for directing different display panel pixel outputs in different directions and a second lenticular lens array (64) on the opposite side of the display panel (62), facing the backlight (66), for providing collimation of the striped back-light output.

Autostereoscopic display device comprising a backlight (66), a display panel (62) comprising rows and columns of pixels and a lenticular arrangement (60, 64), wherein the backlight (66) provides a striped output comprising stripes in the column direction or offset by an acute angle to the column direction the lenticular arrangement comprises a first lenticular lens array (60) on the side of the display panel (62) facing the display output for directing different display panel pixel outputs in different directions and a second lenticular lens array (64) on the opposite side of the display panel (62), facing the backlight (66), for providing collimation of the striped back-light output.

An apparatus and method for hybrid rendering. For example, one embodiment of a method comprises: identifying left and right views of a user's eyes; generating at least one depth map for the left and right views; calculating depth clamping thresholds including a minimum depth value and a maximum depth value; transforming the depth map in accordance with the minimum depth value and maximum depth value; and performing view synthesis to render left and right views using the transformed depth map.

An apparatus and method for hybrid rendering. For example, one embodiment of a method comprises: identifying left and right views of a user's eyes; generating at least one depth map for the left and right views; calculating depth clamping thresholds including a minimum depth value and a maximum depth value; transforming the depth map in accordance with the minimum depth value and maximum depth value; and performing view synthesis to render left and right views using the transformed depth map.