Method for the protection of 3d screen
A method for converting a 2D display screen into an autostereoscopic screen and an adapter suitable for effecting such conversion. According to the invention, the fabrication of a 3D display screen suitable for autostereoscopic image display from a 2D display screen originally designed for two-dimensional image display includes: removing the front bezel from the 2D display screen, attaching an adapter with an optical assembly for separating an image displayed on the image display surface into stereoscopic partial images, Aligning the optical assembly relative to the image display surface so that one of the stereoscopic partial images reaches one eye and at least one other stereoscopic partial image reaches the other eye of an observer, who thus has a stereoscopic vision of the image displayed.
1 - 10 . (canceled)
11 . A method for fabricating a 3D display screen suitable for the autostereoscopic display of images from a 2D display screen originally for two-dimensional image display comprising an image display surface and a front bezel framing the image display surface,
comprising the steps of:
removing the front bezel from the 2D display screen;
attaching an adapter including an optical assembly for separating an image displayed on the image display surface into stereoscopic partial images, so that the optical assembly covers the image display surface;
aligning the optical assembly relative to the image display surface so that at least one stereoscopic partial image reaches one eye and at least one other stereoscopic partial image reaches the other eye of an observer, who thus perceives a stereoscopic vision of the image displayed.
12 . A method as claimed in claim 11 , wherein the step of aligning the optical assembly with the image display surface further comprises the step of:
varying a position of the optical assembly jointly with the frame relative to the image display surface, or
varying the position of the optical assembly relative to the image display surface and relative to the frame.
13 . A method as claimed in claim 11 , wherein the step of aligning the optical assembly with the image display surface further comprises the step of:
displaying a test image on the image display surface, in which the test image is an image combined from n (n≧2) views arranged in rows and/or columns, and in which exactly (n−1) of the views correspond to a completely black area each and exactly one view corresponds to a completely white or completely blue or completely green or completely red area,
continuously displacing a position of the optical assembly relative to the image display surface, with simultaneous visual or opto-electronic inspection of the monocular images from an arbitrary but permanent monocular viewing position until the displacement has led to such a position of the optical assembly relative to the image display surface in which an image selected from the following group is visible in the monocular image seen from the monocular viewing position:
a white area of maximum extension,
a blue area of maximum extension,
a green area of maximum extension, or
a red area of maximum extension.
14 . A method as claimed in claim 11 , wherein the front bezel, or an alternate front bezel, is attached so that it covers a marginal zone of the adapter.
15 . An adapter for making a 3D display screen suitable for autostereoscopic image display from a 2D display screen originally for two-dimensional image display, in which the 2D display screen comprises an image display surface and a front bezel framing the image display surface, the adapter comprising:
a frame whose geometric extension parallel to the image display surface approximately equals an extension of the front bezel of the 2D display screen,
a front pane including an optical structure in the form of an array of wavelength filters, lenticulars or in the form of a barrier screen, that separates an image displayed on the image display surface into stereoscopic partial images, thus implementing image separation for autostereoscopic display, wherein
a margin of the front pane is connected to the frame by fastening.
16 . An adapter as claimed in claim 15 , wherein the optical structure comprises a wavelength filter array laminated to or printed on the front pane.
17 . An adapter as claimed in claim 15 , wherein the front pane is fastened to the frame by metal spring clips or an adhesive joint.
18 . An adapter as claimed in claim 15 , wherein the frame comprises two adhesive surfaces, with one adhesive surface being used for fixation to the outer rim of the screen and the other adhesive surface holding the front pane.
19 . An adapter as claimed in claim 15 , wherein the frame has a profile depth of between about 2 mm and about 30 mm, so that the front pane including the optical structure that effects image separation is held at a defined distance from the image display surface. the defined distance being defined by the profile depth.
20 . An adapter as claimed in claim 15 , wherein the front pane comprises shatter resistant glass and a planar, electrically conductive structure that shields observers from electromagnetic radiation.