Large-field-angle eyepiece optical system and head-mounted display device
An optical system and display device technology, applied in the optical field, can solve problems such as distortion spherical aberration and bulkiness
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no. 1 example
[0086] The eyepiece design data of the first embodiment are shown in Table 1 below:
[0087] Table I
[0088]
[0089] attached figure 1It is a 2D structural diagram of the eyepiece optical system of the first embodiment, including the first lens group D1, the second lens group D2 and the third lens arranged coaxially along the optical axis from the human eye observation side to the display device (IMG) side Group D3, the first lens group D1 includes the first lens L1 and the second lens L2, the second optical surface and the third optical surface in the first lens L1 and the second lens L2 are both Fresnel surfaces, the second lens group D2 is a negative effective focal length lens group composed of a negative effective focal length optical lens, respectively including the third lens L3; the third lens group D3 is a positive effective focal length lens group composed of two positive effective focal length optical lenses and a negative effective focal length optical lens ...
no. 2 example
[0092] The eyepiece design data of the second embodiment are shown in Table 2 below:
[0093] Table II
[0094]
[0095]
[0096] attached Figure 5 It is a 2D structural diagram of the eyepiece optical system of the second embodiment, including the first lens group D1, the second lens group D2 and the third lens arranged coaxially along the optical axis from the human eye observation side to the display device (IMG) side Group D3, the first lens group D1 includes the first lens L1 and the second lens L2, the second optical surface and the third optical surface in the first lens L1 and the second lens L2 are both Fresnel surfaces, the second lens group D2 is a negative effective focal length lens group composed of a negative effective focal length optical lens, respectively including the third lens L3; the third lens group D3 is a positive effective focal length lens group composed of two positive effective focal length optical lenses and a negative effective focal leng...
no. 3 example
[0099] The eyepiece design data of the third embodiment are shown in Table 3 below:
[0100] Table three
[0101]
[0102]
[0103] attached Figure 9 It is a 2D structural diagram of the eyepiece optical system of the third embodiment, including the first lens group D1, the second lens group D2 and the third lens arranged coaxially along the optical axis from the human eye observation side to the display device (IMG) side Group D3, the first lens group D1 includes the first lens L1 and the second lens L2, the second optical surface and the third optical surface in the first lens L1 and the second lens L2 are both Fresnel surfaces, the second lens group D2 is a negative effective focal length lens group composed of a negative effective focal length optical lens, respectively including the third lens L3; the third lens group D3 is a positive effective focal length lens group composed of two positive effective focal length optical lenses and a negative effective focal len...
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