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JP6736394B2 |
In an observation device including a display device, paired ocular optical systems each include a resin lens having a shape defined by an arch and a chord, and provided with a molding gate in an outer peripheral portion of the arc shape,...
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JP6736595B2 |
Provided is an observation apparatus including an image display element and an eyepiece optical system to be used to observe an image displayed on the image display element, in which the eyepiece optical system includes a plurality of le...
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JP2020112815A |
To provide an ocular optical system which offers a wide view angle and high optical performance.An ocular optical system provided herein consists of a first lens L1 having positive refractive power, a second lens L2 having negative refra...
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JP2020519964A |
Describe an optical system for displaying an image. The optical system includes a first optical lens and a second optical lens that are separated. A partial reflector is disposed on and adapted to the main surface of the first optical le...
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JP2020095073A |
To provide an observation optical system which offers high optical performance with a wide view angel, and can be easily reduced in entire system thickness.An observation optical system for viewing an image displayed on an image display ...
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JP2020086271A |
To provide spectacles type magnifying glasses or a telescope capable of securing excellent visibility of an object in the magnifying glasses or the telescope and enabling a user to concentrate more on the object.A medical loupe (1) to be...
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JP6706061B2 |
To provide a terminal device which can display an image without causing a user labor including an operation.A terminal device 1 which a user 10 mounts on his head includes: an image display unit 2 which displays an image; a detection uni...
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JP6706317B2 |
A loupe provides a magnification that is equal to or more than three and that is equal to or less than six. The loupe includes a housing, an objective lens arrangement arranged in the housing adjacent a first opening, an ocular lens arra...
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JP6700256B2 |
Molded ophthalmic lenses with improved optical qualities can be manufactured at high volumes at low costs to provide single-use lenses. These ophthalmic lenses are lenses for examination or treatment of the interior of an eye, are formed...
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JP6701508B2 |
To provide an eyepiece lens that is relatively large in apparent field of view angle, and has aberrations excellently corrected.An eyepiece lens (EL) includes, arranged along an optical axis in order from an observation object side: a fi...
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JP6701629B2 |
To solve the problem in which obtaining of a high magnification ratio makes conventional eyepiece lenses difficult to obtain excellent optical performance.An eyepiece lens includes, in order from an observation object side,: a first lens...
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JP2020076935A |
To enable the expansion of a view angle and a reduction in size and weight to be both achieved.An observation optical system of the present disclosure comprises: a reflection optical element including at least a reflection surface 1; a f...
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JP2020076934A |
To make it possible to provide an observer with comfortable feeling of attachment and feeling of immersion.A virtual image display unit of the present disclosure comprises: a plurality of image forming elements that include a first image...
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JP2020514810A |
For use in head-mounted light field displays using free-form surface waveguide prisms with composite surfaces and integral imaging and relays. [Selection diagram] Fig. 6C
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JP6697253B2 |
An ocular optical system includes a light guiding prism that guides image light from a display element and an emission portion that emits the image light guided by the light guiding prism. The light guiding prism includes a plurality of ...
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JP6697559B2 |
There is provided in the present disclosure a head-mounted display device, including: a first positive lens, a second positive lens and a micro-display component arranged coaxially and sequentially, where a light incident surface of the ...
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JP6687885B2 |
To provide a virtual image optical system that can achieve a compact light guide.A virtual image optical system comprises: an image display element 10 that outputs image light of a display image; an enlargement optical system 300 that en...
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JP6683814B2 |
There are provided in the present disclosure an eyepiece and a head-mounted display device, where the eyepiece includes: a positive lens and a negative lens arranged sequentially and coaxially; where a light incident surface of the posit...
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JPWO2019004456A1 |
The present invention provides an optical element and a wearable display device that can be suitably applied to a wearable display device in which the pixel lattice of the display panel is hard to be visually recognized by the user and t...
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JP2020510869A |
Provided are an optical device for a head-mounted display having an optical surface that can be described by a standard mathematical formula. The prism element is used having three optical planes, and the reference planes of the three op...
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JP2020052117A |
To provide an observation optical system which can be easily reduced in weight and is capable of maintaining good optical performance even amid a change in environment, and to provide an observation device having the same.An observation ...
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JP6670840B2 |
A display device has a display, operable to generate a real image, and an optical system. In the optical system are at least two free-form reflective surfaces, S I and S2. At least one of the reflective surfaces is convex in one directio...
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JP6666592B2 |
An observation optical system of a real-image type includes, in order from the object side, an objective system, a reverse-erecting system that erects an inverted image formed by the objective system, and an eyepiece system that allows a...
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JP6666593B2 |
To provide an observation optical system with an excellent optical performance, which has overcome problems such as dirt and scratches on the lens surface, including the degradation of contrast, while securing a moving space for a zoom m...
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JP6660958B2 |
An eyepiece device for a surgical instrument, the eyepiece device including: an eyepiece frame; and at least one optical unit accommodated in the eyepiece frame, wherein the at least one optical unit comprises at least one first optical ...
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JP2020027113A |
To provide an observation optical system that can observe image information displayed on an image display surface with a wide viewing angle but with high optical performance while realizing down-sizing and weight saving of a total system...
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JP6651639B2 |
The present disclosure provides an eyepiece and a display device including the eyepiece. The eyepiece includes a lens. The lens has a first surface and a second surface opposite to the first surface. The first surface is a corresponding ...
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JP6647036B2 |
A wearable device includes a wearable element that is worn on the head of the wearer, a display that displays a virtual image within part of the field of view of the wearer, and a connector that is connected to the wearable element. The ...
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JP2020024246A |
To provide a virtual image display device capable of suppressing occurrence of field curvature while maintaining the required power and also while reducing thickness and size of a device.A virtual image display device includes: a video e...
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JP2020020935A |
To enable provision of high-definition beautiful image while decreasing the weight and increasing the angle of view.A display device comprises an eyepiece display unit including an image display element and an eyepiece optical system tha...
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JP6642022B2 |
An eyepiece optical system includes a focal-plane plate, having a positive refractive power on one side and a diffusion surface on the other side thereof; a reflector which reflects light rays of an object image, formed on the diffusion ...
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JP3224876U |
To provide a more convenient loupe. A loupe has a lens 10, a holding body 20 for holding the lens, a first plate-shaped member 31, and a second plate-shaped member 32 which is separated from and faces the first plate-shaped member. It is...
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JP6637072B2 |
The present invention addresses the problem of providing observation equipment for jewels that is capable of observing the luminance and flaws in jewels as well as a pattern appearing in a reflective image of the jewels. The observation ...
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JP6634767B2 |
To provide an ocular lens that offers good aberration corrections and a high magnification.An ocular lens comprises a first lens L1 having positive refractive power, a second lens L2 having negative refractive power, a third lens L3 havi...
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JP2019215411A |
To achieve high magnification while keeping high imaging performance.An eyepiece optical system 52 comprises a first lens L1 having positive refractive power, a second lens L2 having positive refractive power, a third lens L3 having nega...
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JP6618278B2 |
Provided is an eyepiece lens to be used for observing an image displayed on an image displaying surface, the eyepiece lens consisting of, in order from the image displaying surface side to an observation side: a first lens unit having a ...
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JP2019207342A |
To obtain a compact, lightweight observation optical system which is constructed to a thin profile while presenting a large pupil diameter and wide view angle image with a long eye relief.Provided is an observation optical system for obs...
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JP6614438B2 |
To provide a virtual image optical system that realizes a compact light guide.A virtual image optical system comprises an image display element 10, a collimating optical system 300, and a light guide 50 that guides and outputs image ligh...
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JP6615068B2 |
An ocular lens consists of a positive first lens group, a positive or negative second lens group, and a positive third lens group, in order from an observation object side. The first lens group consists of a positive meniscus lens with a...
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JP6606617B2 |
Provided are binoculars and an ocular lens having an excellent optical performance.Binoculars 10 includes: a first lens-barrel (main body 26) and a second lens-barrel (main body 36) having an objective lens (objective lens group 101, 201...
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JP6604229B2 |
To provide a head-mounted display which has satisfactory downsizing, lightweight and heat dissipation properties and improves mountability and quality maintainability.A head-mounted display 1A comprises an image display unit (a) and head...
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JP6593494B1 |
To reduce the occurrence of a double image and improve the visibility of a virtual image. A virtual image display device 10 presents a virtual image to a user via a virtual image presentation board 22. The virtual image display device 10...
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JP3223568U |
To handle all of the hand, the intermediate position and the distant place by using a lens which has been processed with three kinds of magnifications and processed so that the boundary is not conspicuous, and the appearance is not impai...
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JP2019529987A |
The present invention discloses an ultra-wide-angle, high-resolution optical system, which is located from the observation side of the human eye to the image display unit (30) side and coaxially along the optical axis direction. The firs...
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JP6590934B2 |
An ocular device for a surgical instrument having an ocular mount for an optical assembly. The ocular device including: an optical flat; and a holder for accommodating the optical flat, wherein the holder is configured to be connected to...
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JP2019162447A |
To provide a system to assist a user to determine the distance between the user and a landmark in a golf course.A system includes: a user tracking system 206 for tracking a user's position; and a display device configured to be worn on a...
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JP6579810B2 |
To provide an observation optical system that has high optical performance despite of having a wide field of view, and can easily reduce a variation in aberration when an eye relief changes.There is provided an observation optical system...
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JP6581212B2 |
In a general aspect, an apparatus can include a goggle portion having a chassis that is open on a first side, a lens assembly disposed on a second side of the chassis of the goggle portion and a ledge disposed around an interior perimete...
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JP2019159190A |
To provide a lens for magnifying glass with a wide width and upper and lower widths of which a molding die is obtained at a low cost with a single mold.A cutting substrate having a required cut width size in all directions is produced, a...
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JP6576180B2 |
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