Display device
A display device and waveguide layer technology, applied in optical components, optics, instruments, etc., can solve the problem of low light energy utilization rate, achieve the effects of reducing light leakage, improving performance and user experience, and improving light energy utilization rate
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[0037] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0038] Please refer to figure 1 , figure 1 It is a schematic diagram of the optical path of an existing waveguide-based display device. It is assumed that the diffraction efficiency of the coupling element 11 is 30%. Without considering the absorption, the energy of the incident light 1 is 100%, and the light 2 is the 0...
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