HMD projection display optical system
An optical system and projection display technology, which is applied in the field of HMD projection display optical systems, can solve the problems of complex lens structure, large volume and weight, and long time consumption, and achieve high optical imaging quality, simple and compact structure, and low processing costs.
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[0034] 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 embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] The present invention provides an HMD projection display optical system. Based on the principles of PBS polarization, reflection, energy splitting, light synthesis, and reversible optical path, the quality of the optical system is improved, the difficulty of processing is reduced, and the size of the optical system is reduced. The following details are as follows :
[0036] Such as figure 1 As shown, the present invention provides a HMD projection disp...
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