A 3D architecture which exploits proximity projector array to project tiled image of low magnification ratio from microdisplays has been proposed as a solution for large screen and high resolution spatial multiplex autostereoscopic display. with descent lenticular and projection optics design associated with dedicated pixel mask, the proposed 3D configuration shows low crosstalk between viewing zones and demonstrates a potential alternative to increase pixel count for wide view and high resolution 3D displays.
Multi-view spatial-multiplexed autostereoscopic 3-D displays normally use a 2-D image source and divide the pixels to generate perspective images. Due to the reduction in the resolution of each perspective image for a large view number, a super-high-resolution 2-D image source is required to achieve 3-D image quality close to the standard of natural vision. This paper proposes an approach by tiling multiple projection images with a low magnification ratio from a microdisplay to resolve the resolution issue. Placing a lenticular array in front of the tiled projection image can lead to an autostereoscopic display. Image distortion and cross-talk issues resulting from the projection lens and pixel structure of the microdisplay have been addressed with proper selection of the active pixel and adequate pixel grouping and masking. Optical simulation has shown that a 37-in. 12-view autostereoscopic display with a full-HD (1920 × 1080) resolution can be achieved with the proposed 3-D architecture. he joined the 3-D-display project at OES/ ITRI to develop autostereoscopic display systems and fabrication technology of key components for 3-D displays. Currently, he is the project manager of 3-D displays at ITRI.
In this paper, Laser light source can be a potential illumination light source for projection display, due to its feature of low source etendue and high degree of polarization. In order to make a conversion from a circular Gaussian beam profile to a rectangular uniform distribution, a microlens array generator has been proposed as a compact solution. The result shows a promising performance from a double microlens array generator.
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