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DYNAMICALLY CONTROLLED FOCAL PLANE FOR OPTICAL WAVEGUIDE-BASED DISPLAYS
DYNAMICALLY CONTROLLED FOCAL PLANE FOR OPTICAL WAVEGUIDE-BASED DISPLAYS
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机译:动态控制的聚焦平面,用于基于光学波导的显示器
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摘要
Embodiments of the disclosure provide systems and methods for providing a dynamically variable focal plane in a waveguide-based display. Generally speaking, embodiments described herein provide an optical system that allows variable control of the focal length of the image emerging from the display engine into the waveguide. This can be a dynamic system that is controlled based upon the content being projected on the display. For a stereoscopic system, individual control of each eye can be provided. More specifically, embodiments comprise an electrically tunable lens element interposed between the output of the projection engine and the optical waveguide and a control unit to dynamically the tunable lens element to vary the focal length of the images provided to the waveguide display.
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