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WO/2020/090424A1 |
A relay optical system (RL) according to the present invention, which re-forms an image formed on a first image surface (IM1) on a second image surface (IM2), comprises a first lens group (G1) having a positive refractive power, a second...
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WO/2020/079906A1 |
Provided is a head-mounted display whereby it is possible to view a stereoscopic image without suffering visual fatigue due to vergence-accommodation conflict. This head-mounted display 1 comprises: a display device 3 for displaying left...
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WO/2020/081353A1 |
A method of making a transverse Anderson localization (TAL) element includes mixing pellets together to make a mixture, the pellets being of two or more distinct materials having respective wave speeds effective to provide Anderson guidi...
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WO/2020/066224A1 |
A relay optical system (RL) of this telescope has arranged therein, in the following order from the object side: a first lens group (G1) having positive refractive power; a second lens group (G2) having positive refractive power; a third...
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WO/2020/051464A1 |
An eyecup (100) for an optic includes an elastic body (101) forming an eye receiver (103) and a viewing cavity (105), the elastic body configured to move between a relaxed state (fig 1) and a compressed state (fig 3); and a diaphragm (10...
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WO/2020/045517A1 |
A lens unit (1A) has a first lens (L1) and a second lens (L2). The first lens (L1) is a Fresnel lens that has a first lens surface (L1b) with a Fresnel structure on a second lens (L2) side and has positive refractive power. The second le...
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WO/2020/045518A1 |
The present invention proposes a lens system capable of reducing the occurrence of circular lines and providing a high-definition image to a user. This lens system has at least one Fresnel lens. A lens surface of the Fresnel lens has a p...
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WO/2020/026813A1 |
This display device comprises an eyepiece display unit including an image display element and an eyepiece optical system that guides a display image displayed on the image display element, to an eye point. The magnification by the eyepie...
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WO/2020/024630A1 |
Eyeglasses and a display device. The eyeglasses comprise: a lens assembly having a positive focal power or a negative focal power, wherein the lens assembly comprises at least two lenses including a first lens (10) and a second lens (20)...
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WO/2020/028131A1 |
An accessory for use with a phone or tablet computer. The accessory connects to the phone, either by enveloping the phone with a case-like element or clipping to the side of the phone with a clip. A hinged lens covers at least a portion ...
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WO/2020/026749A1 |
This display device comprises: a left eyepiece display unit including a left eye image display element and a left eyepiece optical system that guides a left eye display image displayed in the left eye image display element, to the left e...
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WO/2020/021916A1 |
An ocular optical system (EL) has a Fresnel lens (L1) having a plurality of Fresnel zones (FR) formed on a lens surface on the observation object side. The plurality of Fresnel zones (FR) is concentrically arranged side by side along an ...
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WO/2020/012817A1 |
This eyepiece lens is provided with a first lens and a second lens disposed facing each other, the first lens having a first Fresnel lens surface formed in at least the peripheral region of the lens surface thereof facing the second lens...
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WO/2019/241398A1 |
Techniques are described for applying an edge sealant to the edge of a multi-layer optical device. In particular, embodiments provide an apparatus that performs a precision measurement of the perimeter of an eyepiece, applying the edge s...
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WO/2019/239645A1 |
An objective optical system (OB) constituting an observation optical system (LS) comprises, in order from the object side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a positive or negative...
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WO/2019/233794A1 |
The field of the invention is that of night vision scopes comprising a light-intensifier device and an image transport eyepiece (50). In the scope according to the invention, the eyepiece or the objective or the light-intensifier device ...
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WO/2019/233504A2 |
The invention relates to a binocular with a built-in focal plate (5), comprising a pair of optical branches (8, 9) connected to each other by a tilting device (10) adapted to set the mutual axial distance between the optical branches (8,...
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WO/2019/208005A1 |
The purpose of the present invention is to provide a three-dimensional image having a higher image quality without requiring eye width adjustment and while reducing an optical system size. An eyepiece optical system according to this inv...
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WO/2019/196399A1 |
An eyepiece. The eyepiece comprises a reflective polarizer (RL), a 1/4 wave plate (L), and a lens assembly having positive focal power from a human eye to an image source in sequence along an optical axis, wherein the lens assembly compr...
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WO/2019/181482A1 |
The purpose of the present invention is to provide a display apparatus having a configuration and structure whereby an image can be reliably caused to reach a pupil of an observer without imposing a burden on the observer. A display appa...
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WO/2019/163415A1 |
An ocular optical system (EL) comprises: a first Fresnel lens (first lens (L1)) having a first Fresnel surface (FSa) formed on the lens surface on the image display unit (11) side; and a second Fresnel lens (second lens (L2)) placed clos...
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WO/2019/143670A1 |
A surgical loupes head strap is disclosed. The surgical loupes head strap may include a first monofilament and a second monofilament coupled by at least one sleeve. The surgical loupes head strap may further include a first coupler with ...
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WO/2019/079996A1 |
An eyepiece (10) and a head-mounted electronic device (100), wherein the eyepiece (10) comprises, successively from an image side to an object side, a first lens (11) having a positive refractive power, a second lens (13) having a negati...
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WO/2019/080325A1 |
An eyepiece and a head mounted display device, the eyepiece comprising: a plus lens (11) and a minus lens (12) which are coaxially provided in sequence; a light incident surface (Si1) of the plus lens (11) being a planar Fresnel surface,...
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WO/2019/063276A1 |
With the present invention the beam path of an optical device with binoculars to be used for documentation or co-observation can be freely selected and changed at any time. For the decoupling a rotatable supporting unit of which the axis...
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WO/2019/063253A1 |
The invention relates to an endoscope comprising a shaft (2), a main body (3) arranged on the proximal end of the shaft (2), an eyepiece (4) arranged on the proximal end of the main body (3), and an eyepiece funnel (5) arranged on the pr...
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WO/2019/060975A1 |
A direct view optical sighting system. In certain examples the system includes an eyepiece, an objective that directs scene light to the eyepiece, a laser rangefinder, and a laser rangefinder coupling prism that directs a laser transmit ...
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WO/2019/059314A1 |
A device and a system for enabling observation of an eye and the area around the eye, these constituting an observation subject, while reducing the burden on an observer. Provided is an ophthalmological imaging system wherein an image ca...
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WO/2019/054359A1 |
Provided are: an eyepiece optical system EL having favorable optical performance and a high observation magnification power; an optical device having this eyepiece optical system EL; and a method for producing an eyepiece optical system ...
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WO/2019/054358A1 |
Provided are: an eyepiece optical system EL having favorable optical performance and a high observation magnification power; an optical device having this eyepiece optical system EL; and a method for producing an eyepiece optical system ...
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WO/2019/049417A1 |
[Problem] To provide an eyepiece structure that prevents an eyepiece member from easily falling out of a cylindrical member and that can be easily assembled with a simple configuration. [Solution] This eyepiece structure is provided with...
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WO/2019/033284A1 |
A head-mounted display device (100). The head-mounted display device (100) comprises a display screen (10) and a lens group (20); from an image side of the lens group (20) to an object side of the lens group (20), the lens group (20) seq...
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WO/2019/030912A1 |
[Problem] To provide an objective lens made of a synthetic resin and used in a dot sight capable of taking aim at an object easily even if the object moves, and a dot sight that uses the objective lens. [Solution] An objective lens compr...
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WO/2019/014205A1 |
This application concerns a loupe-based wearable device that is enhanced by a mounted visualization aid on the housing body of at least one of the loupe eyepieces, the aid providing a dual light source, a beam splitter, and a camera dire...
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WO/2019/010938A1 |
Disclosed is an eyepiece, comprises a lens (L1), the lens containing opposite first surface (S1) and second surface (S2), the first surface being a corresponding surface of a human eye side and the second surface being a corresponding su...
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WO/2018/235088A1 |
Magnification glasses comprising: a first camera array comprising at least a first camera and a second camera wherein each of the first camera and the second camera provide different magnification for capturing a magnified image in the f...
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WO/2018/219913A2 |
The invention relates to a telescopic sight for a telescopic sight weapon, in particular hunting rifle, comprising a tube that is secured or can be secured to the weapon and in which an optical system (2) is accommodated, said system com...
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WO/2018/220267A1 |
The invention relates to personal display devices and in particular an eyepiece therefor. The eyepiece is adapted for projecting an image from an image plane (14) on one side of the eyepiece through an exit pupil (10) on the opposite sid...
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WO/2018/211405A2 |
Optical systems for displaying an image are described. The optical systems include spaced apart first and second optical lenses. A partial reflector is disposed on and conforms to a major surface of the first optical lens where the major...
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WO/2018/190031A1 |
Disclosed is an eyepiece that is provided with three or more lenses that are sequentially disposed from the eye point side toward the image side. A cemented lens comprises at least two lenses of the three or more lenses, one lens of the ...
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WO/2018/179164A1 |
A diffractive optical element 10 has: a first diffraction grating 4; a second diffraction grating 5; and a film 6 that is provided between the first diffraction grating 4 and the second diffraction grating 5. The average value of refract...
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WO/2018/172010A1 |
An optical arrangement (2) of binocular loupes, in particular surgical loupes, has a holder 4 which is connected to a frame (12) of a pair of spectacles (14) in the use position of the loupes. Further, the optical arrangement has two sim...
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WO/2018/172583A1 |
The invention relates to a mount for coupling a torch to binoculars to facilitate night use, the mount having a structure suitable for coupling to the case of the binoculars, preferably to one of the two eyepieces, and which has a suppor...
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WO/2018/145367A1 |
Provided is an eyepiece. The eyepiece is successively provided with a first lens (L1) with positive focal power and a convex object side and a second lens (L2) with a concave image side along the optical axis from the object side to the ...
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WO/2018/130042A1 |
A lens, an optical display device comprising the lens, and a method for manufacturing the lens. The lens comprises at least two lens portions (3, 4); the at least two lens portions (3, 4) have different focal lengths. In such a case, whe...
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WO/2018/130995A1 |
The present invention relates to a system and method of acquisition, registration and multimedia management. The multimedia system of the present invention comprises a data acquisition module (A), like multimedia glasses, for multimedia ...
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WO/2018/123198A1 |
[Problem] To provide a surgical loupe with a more easily adjustable convergence angle. [Solution] A surgical loupe comprising: two optical systems forming an image of the light from a surgical field as an object to be observed onto the e...
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WO/2018/117025A1 |
An observation optical system according to the present invention comprises a Fresnel lens, and a lens LP having positive refractive power and provided on the light incidence side or light emission side of the Fresnel lens, wherein the le...
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WO/2018/113623A1 |
A lens module, for being installed between a human eye pupil (STO) and a screen (IMA). The screen (IMA) is used for displaying a virtual reality image. The lens module comprises a crescent lens (L1) and a lens group composed of a lenticu...
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WO/2018/105710A1 |
An observation optical system 10 is provided with: an objective optical system LO; a reverse optical system PR which is provided either inside the objective optical system LO or just behind the objective optical system LO in order to rev...
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