Eyewear display measurement and evaluation is based on the light rays directed from the display to the viewer and the entrance pupil of the measuring equipment. The evaluation results show that the pupil size should be smaller than the width of the light rays, found to be effective for correct evaluation and measurement of significant characteristics, such as luminance and its uniformity, in an eyewear display.
A frameless multi-view display module that consists of an array of microelectromechanical system (MEMS) based projectors, a sparse lenticular lens, and a vertical diffuser is proposed to provide a large-screen autostereoscopic display. The projectors are positioned in a horizontal vector form or in a matrix form in front of the transfer screen in order to produce the same number of three-dimensional (3D) pixels in each cylindrical lens constituting the lenticular lens to increase the horizontal resolution of the module. The projectors generate a slanted two-dimensional array of dots on the vertical diffuser to provide a large number of viewpoints. The experimental display system was constructed using four projectors. The system had a 3D resolution of 160 × 120, and it provided 64 views. The screen size was 14.4 in.
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