AR glasses
AR glasses comprise a frame with a front frame part ( 1 ), mounting means ( 2, 3, 8 ) and an optical unit ( 5 ). The optical unit ( 5 ) is held in the front frame part ( 1 ), wherein the optical unit ( 5 ) forms a module mountable to the eyeglass frame as a single component. The optical unit ( 5 ) comprises at least a display source ( 56 ), at least one refractive device, such as triplet lens ( 54 ), and a beamsplitter ( 51, 52 ). These AR glasses are robust, compact and affordable.
1 . An AR headset comprising a headset frame with a front frame part, mounting means and an optical unit,
wherein the optical unit is held in the front frame part and arranged within the front frame part and protruding downward from the front frame part,
wherein the optical unit forms a module mountable to the headset frame as a single component,
wherein the optical unit comprises at least a display source, at least one refractive device and a beamsplitter;
wherein the display source is located within the front frame part,
wherein the at least one refractive device is located further down than the display source, and
wherein the beamsplitter is located further down than the at least one refractive device, a light beam eradiated from the display source passing through the at least one refractive device before reaching the beamsplitter.
2 . The AR headset according to claim 1 wherein the at least one refractive device is a triplet lens.
3 . The AR headset according to claim 1 wherein the optical unit comprises a main frame.
4 . The AR headset according to claim 3 , wherein the main frame is not transparent for visible light.
5 . The AR headset according to claim 3 wherein at least one of the following optical elements is/are arranged within the main frame or protrudes from the main frame: the display source, the at least one refractive device and the beamsplitter.
6 . The AR headset according to claim 3 wherein the optical unit comprises a mirror and wherein the mirror is arranged within the main frame.
7 . The AR headset according to claim 5 wherein the main frame is formed by a closed hollow body with an opening closed by the display source.
8 . The AR headset according to claim 7 wherein the main frame comprises additional openings closed by at least one cover closing an opening leading to the at least one refractive device and, if present, by the mirror.
9 . The AR headset according to claim 3 wherein the main frame is made of poly(methyl methacrylate), called PMMA (polymethyl methacrylate), ABS (acrylonitrile butadiene styrene), or of cyclo olefin polymer, called COP, or of cyclic olefin copolymer, called COC.
10 . The AR headset according to claim 3 wherein the main frame comprises a bottom end and wherein an end piece is attached to this bottom end, the end piece or the end piece together with the bottom end forming the beam splitter.
11 . The AR headset according to claim 10 wherein the end piece is made of poly(methyl methacrylate), called PMMA, or of cyclo olefin polymer, called COP, or of cyclic olefin copolymer, called COC.
12 . The AR headset according to claim 10 wherein the bottom end of the main frame is inclined.
13 . The AR headset according to claim 10 wherein the end piece is made of an optical glass or an optical material.
14 . The AR headset according to claim 10 wherein the end piece comprises a lower part and an upper part which are separate components fixed to each other, wherein a beam splitter coating is arranged in a region between the lower part and the upper part.
15 . The AR headset according to claim 10 , wherein the end piece comprises none-polished side walls.
16 . The AR headset according to claim 1 wherein the optical unit is movable held within the front frame part, wherein the optical unit is slidable and/or rotatable relative to the front frame part.
17 . The AR headset according to claim 1 the headset frame comprises a nose pad unit, wherein the nose pad unit is movable relative to the front frame part in order to adjust the position of the headset frame on a nose of a user.
18 . The AR headset according to claim 1 wherein the AR headset comprise an electronic unit, which is arranged within the front frame part of the headset frame.
19 . The AR headset according to claim 18 wherein front frame part comprise a cooling element arranged in the region of the electronic unit.
20 . The AR headset according to claim 1 wherein the mounting means are a first eyeglass temple and a second eyeglass temple.
21 . The AR headset according to claim 20 wherein the first eyeglass temple and the second eyeglass temple are movable relative to the front frame part so that the headset frame is foldable.
22 . The AR headset according to claim 21 wherein the headset frame comprises two hinges being arranged one above the other and connecting the first or second eyeglass temple with the front frame part, thereby forming a gap between each other,
wherein a flexprint is arranged within the headset frame leading from the first eyeglass temple or from the second eyeglass temple to the front frame part and
wherein the flexprint is arranged in the gap between the two hinges leaving the hinges free.
23 . The AR headset according to claim 1 wherein the mounting means is a band.
24 . The AR headset according to claim 23 wherein the AR headset comprises at least one power source and wherein the at least one power source is arranged
a) between the front frame part and the band or
b) within the front frame part or
c) on the band.
25 . The AR headset according to claim 1 wherein a padding is arranged on a rear side of the main front part facing the user's forehead.
26 . The AR headset according to claim 1 , comprising a camera being inclined towards a bottom.
27 . The AR headset according to claim 1 , wherein the optical unit is inclined compared to a bottom of the front frame part.
28 . The AR headset according to claim 27 , wherein the optical unit is inclined in an angle between the rear side of the optical unit and the bottom of the front frame part of about 81° to 79°.
29 . The AR headset according to claim 27 , wherein the optical unit is inclined in an angle between the rear side of the optical unit and the bottom of the front frame part of about 81°.
30 . The AR headset according to claim 3 wherein the display source, the at least one refractive device and the beamsplitter are arranged within the main frame or protrude from the main frame.
31 . An AR headset comprising a frame with a front frame part, mounting means and an optical unit,
wherein the optical unit is held in the front frame part and arranged within the front frame part and protruding downward from the front frame part,
wherein the optical unit forms a module mountable to the headset frame as a single component,
wherein the optical unit comprises at least a display source, at least one refractive device and a beamsplitter,
wherein the optical unit comprises a main frame, and
wherein the main frame comprises a bottom end and wherein an end piece is attached to this bottom end, the end piece or the end piece together with the bottom end forming the beam splitter.