An optical data-recording system comprises a laser, a dynamic digital hologram, an
electronic controller, and a scanning mechanism. The dynamic digital hologram includes a …

(57) ABSTRACT A holographic display includes a pixel array including one or more pixels, a
holographic data source, a drive array, and a light source. Each pixel includes a phase …

A transparent substrate that encodes data therein having optically readable identification
indicia corresponding to identifying information regarding the substrate. The optically …

(57) ABSTRACT A volumetric type three-dimensional display device can include a plurality
of voxels having a polyhedron shape laminated three-dimensionally. A unit display panel in …

A transparent substrate that encodes data therein having optically readable identification
indicia corresponding to identifying information regarding the substrate. The optically …

According to an aspect of the present disclosure, provided is a volumetric type three-
dimensional display device com prising a plurality of voxels having a polyhedron shape …

An optical device comprises a pixel array including one or more pixels. Two or more
independently controllable electrodes are electrically coupled to each pixel. A common …