Near-to-eye display optical system
A display system and optical system technology, applied in the field of optical engineering, can solve the problems of small exit pupil diameter, small field of view, bulky system, etc., and achieve the effect of simple manufacture, large field of view, and small overall size
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specific Embodiment approach 1
[0035] Specific implementation mode 1. Combination Figure 1 to Figure 10 Describe this embodiment, a near-eye display optical system, including a display system 1 and a spherical reflective lens 2; place the display system 1 in front of the pupil 3 at the reference position, and place the spherical reflective lens 2 in front of the display system 1; in the display system 1 The display pixels are distributed on the convex surface, and the display pixels in the display system 1 emit light to the spherical reflector 2, and the spherical reflector 2 reflects the light to the pupil 3 at the reference position; The image is generated by the middle light, and the image is magnified by the spherical mirror 2 and reflected to the pupil 3 at the reference position. The spherical mirror 2 has two surfaces, the first surface is a partially reflective surface 2-1, which is used to enlarge the image on the display system 1 and place it in the visible range of the human eye, and the reflect...
specific Embodiment approach 2
[0053] Specific embodiment two, combine figure 1 and Figure 11 This embodiment is described. This embodiment is another embodiment of the near-eye display optical system described in the first embodiment: it includes a display system 1 and a spherical mirror 2;
[0054] The spherical mirror 2 has two surfaces, the first surface is a partially reflective surface 2-1, which is used to enlarge the image on the display system 1 and place it in the visible range of the human eye, and the reflectivity can be in the range of 1%-99% %, the second surface is the transmission surface 2-2, which is used to correct the ambient light to suit the degree of the wearer. The position of partly reflective surface and transmissive surface can be interchanged;
[0055] A display system 1 is placed in front of the pupil 3 at the reference position, and a spherical reflector 2 is arranged in front of the display system 1. The display system 1 is located on the focal plane of the spherical reflec...
specific Embodiment approach 3
[0059] Specific embodiment three, combine figure 1 , figure 2 and Figure 12 Describe this embodiment, this embodiment is another embodiment of a near-eye display optical system described in the first embodiment: it includes a display system 1, a spherical mirror 2 and a pupil 3 at a reference position; it adopts a coaxial symmetric form, and the reference The display system 1 is placed in front of the pupil 3, and the spherical reflector 2 is arranged in front of the display system 1. The display system 1 is located on the focal plane of the spherical reflector 2, and the centers of the display system 1 and the spherical reflector 2 are both reference position pupils. 3 near the center, within 1 cm; the spherical mirror 2 has two surfaces, the surface close to the display system is a partial reflection surface 2-1, and its reflectivity can be between 1% and 99%. The surface away from the display system is the transmission surface 2-2, which is used to correct the ambient l...
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