Optical seam reduction

Abstract

Optical wave guide panel for visualization of an image, wherein the panel has an image interface surface for interfacing with an image to be visually presented and a viewing interface surface opposite the image interface surface for reviewing the image located at the image interface surface. The panel has at least one boundary, and is fabricated from a transparent solid material. The panel is provided with a pattern of grooves and to the image interface surface, extending at lease partially into the panel between image interface surface and the viewing interface surface of the panel. The pattern of grooves comprises at least one groove following a contour of the at least one boundary of the panel. The boundary of the panel exhibits an angle with respect to the at least one groove, such that a length of a panel segment, defined by the groove following the contour of the at least one boundary and the boundary at the viewing interface surface, along a cross section of the panel transverse to a direction of said at least one groove is greater than a length of the segment at the image interface surface along the cross section.