Oxyopter type display device using holographic elements
A technology of vision and components, which is applied in the field of visual display devices, can solve the problems of affecting the display effect, not developing an ultra-thin display system, and inconvenient use, so as to achieve convenient application, compact structure, and reduced aberration and dispersion Effect
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[0017] figure 2 is a three-dimensional view of the optical structure of the present invention, image 3 It is a schematic diagram of light transmission of the optical system of the present invention. The optical system of the present invention includes three holographic elements: holographic lens H1, holographic grating H2, and holographic lens H3. In the following content, in order to be unified with other symbols, different reference signs are used to distinguish the three elements, namely holographic lens 103 , a holographic grating 106 , and a holographic lens 107 . like figure 2 and 3 As shown, the illumination light of the holographic lens 103 comes from the image source element 101 facing it. The illumination light is directly irradiated on the holographic lens 103, and the holographic lens 103 acts as a collimating lens, which collimates the incident spherical wave into an angular spectrum plane wave (parallel light), and introduces the collimated light into an o...
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