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JP3234097U |
To provide a highly convenient magnifying glass. A magnifying glass 1 according to the present invention holds a convex lens R or a Fresnel lens on one end side, and a through hole 20H penetrating in the thickness direction is formed on ...
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JP6934901B2 |
A finder optical system includes a display element and a diffractive optical element that is disposed on an eye point side of the display element so as to continue from the display element. The diffractive optical element includes a firs...
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JP2021135498A |
To provide an optical lens which is an optical lens used for a waveguide display and has excellent optical quality and heat stability.An optical lens 110 includes a first lens 111, a second lens 113, a third lens 115, a fourth lens 117, ...
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JP2021128310A |
To provide a compact observation optical system with an anti-shake function.An observation optical system is provided, comprising an objective optical system, an erecting optical system for turning an object image formed by the objective...
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JPWO2020079906A1 |
Provided is a head-mounted display capable of viewing a stereoscopic image without suffering visual fatigue caused by a contradiction of accommodation. The head mount display 1 is a display device 3 for displaying left-eye and right-eye ...
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JP6930929B2 |
Methods and systems for image display with a head-mounted device involve the use of a light-field display. Such a display is useful for providing augmented reality.
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JP2021124540A |
To provide an image display device which is advantageous in reducing the ghost of a wide field angle and compact eyepiece optical system that utilizes polarized light.An image display device (101) comprises an image display element (108)...
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JP2021117457A |
To provide an ocular optical system which offers a large view angle, a sufficiently secured eye relief, and suppressed aberrations.An ocular optical system comprises, in order from a display element side to a viewer side, a first lens (L...
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JP2021110827A |
To provide an observation device capable of achieving high performance of finder optical system while providing a line-of-sight detection function, and an imaging apparatus having the same.An observation device 100 includes: a finder opt...
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JP3233246U |
To provide a magnifying glass capable of suppressing misplacement. The writing tool cap 1 has a pen tip protection portion 2, a body portion 3, and a clip portion 4, and further has a magnifying glass portion 5, and an outer frame portio...
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JP2021105732A |
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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JP2021103285A |
To provide a lens capable of solving the problems of conventional lenses and magnifying glass which uses a convex lens or Fresnel lens; for example, a convex lens which is a lens for controlling the shape of the lens, the angle of incide...
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JP6899819B2 |
An optical system includes a partial reflector having an average optical reflectance of at least 30% in a plurality of wavelengths, an image source disposed to emit image light toward the partial reflector, and a reflective polarizer dis...
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JP6898601B2 |
An observation optical system 10 is provided with an objective optical system LO, an inversion optical system PR provided in the objective optical system LO or immediately posterior to the objective optical system LO to invert an inverte...
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JP6881792B1 |
To stably maintain a stable positional relationship between a magnifying lens and a mobile information terminal when the display screen of the mobile information terminal is magnified, and when not in use, the magnifying lens comes into ...
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JP2021081534A |
To provide a display device that can virtually display an image.A display device includes a lens plate having two surfaces, one of which is a convex lens surface, a display unit including an image display surface within a focal distance ...
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JP2021081663A |
To provide an optical system having good environmental resistance though being compact.An optical system 100 comprises: a first optical element G1 including a convex first reflection area G1M toward an enlargement side; a second optical ...
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JP2021081640A |
To provide an eyepiece lens which has a wide angle of view, offers high performance, and is best suited for electronic viewfinders.An eyepiece lens provided herein comprises a positive first lens (L1), negative second lens (L2), positive...
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JP6874143B2 |
Optical assemblies for use in virtual and augmented reality environments are described. The optical assemblies may include lenses, filter stacks, cameras, and image projecting devices. For example, the optical assemblies may include at l...
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JP2021512356A |
An eyepiece and a display device. An eyepiece is a lens component that has positive or negative power and includes at least two lenses, a first lens (10) and a second lens (20) along the direction closer to the image source, and the firs...
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JP6869876B2 |
The present invention provides an eyepiece optical system for observing an image displayed on an image display surface. The eyepiece optical system includes a first lens having a positive refractive power, a second lens having a negative...
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JP2021071602A |
To provide a head mount display that allows recognition of an image with a maintained white balance as an entire image while making an angle of a picture wider and attaining reduction in size and weight of the device.The present inventio...
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JP2021067864A |
To provide an ocular optical system which offers a large field of views and sufficient eye relief while minimizing aberrations.An ocular optical system (1a) provided herein comprises, in order from the object side to the light exit side,...
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JP2021056263A |
To provide an observation optical instrument that enables reduction in performance deterioration, and is miniaturized and light-weight, even when a correction angle is large.In an optical system consisting of, in order from an object sid...
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JP6852737B2 |
A loupe is bonded to a glasses-type holder to be worn around a head of a user. The loupe includes: a tube framework inserted into a hole or a cutout formed in the glasses-type holder and bonded with a UV adhesive; and a lens held in the ...
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JP6848376B2 |
To provide a display device with which it is possible to suppress a non-video area attributable to a non-pixel area existing between pixel areas of a video source from being visually recognized.An optical sheet 20 of the display device s...
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JP6849452B2 |
To provide an eyepiece optical system having high optical performance with a long eye relief and wide viewing angle.The eyepiece optical system includes: a first lens L1 with a positive refractive power; a second lens L2 with a negative ...
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JP6843876B2 |
In some embodiments, a display system is provided. The display system comprises a plurality of light pipes and a plurality of light sources configured to emit light into the light pipes. The display system also comprises a spatial light ...
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JP6843697B2 |
In an ocular optical system including a first lens having positive refractive power, a second lens having negative refractive power, a third lens having positive refractive power, and a fourth lens having positive refractive power which ...
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JP2021018283A |
To provide an observation device that has a high viewing angle and can be reduced in size.An observation device has a display element including an image display surface, and an eyepiece optical system for observing the image display surf...
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JP6824769B2 |
a Fresnel lens, and a focal length f1 of the first lens and a focal length f2 of the second lens are each appropriately set.
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JP6816347B2 |
To provide an eyepiece lens that achieves a high magnification ratio and excellent optical performance.An eyepiece lens includes, in order from an observation object side,: a first lens L1 that has positive refractive power; a second len...
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JP2021005079A |
To provide an optical lens assembly and a head-mounted display device.An optical lens assembly is provided, comprising a first lens, second lens, third lens, and fourth lens arranged in order from a light exit side to a light incident si...
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JP6812649B2 |
An image display device of the embodiment includes an image generation portion that emits image light, a prism optical element into which the image light enters, and a light guide optical system that guides the image light to the prism o...
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JP6813856B2 |
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JP6800611B2 |
To obtain a compact observation optical system that has high optical performance while having a wide field of view.There is provided an observation optical system for observing an image displayed on an image display surface, and comprisi...
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JP2020197558A |
To provide an observation optical system which has a wide view angle and yet offers high performance and reduced weight.An observation optical system for observing an image displayed on an image display surface is provided, the observati...
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JP6796368B2 |
The present invention relates generally to stereoscopic displays, and more particularly, but not exclusively, to stereoscopic displays with addressable focus cues.
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JP6797747B2 |
To obtain an eyepiece optical system that is easily manufactured and facilitates an observation in a large view field, while well suppressing various aberrations and ensuring high optical performance.The eyepiece optical system is to be ...
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JP2020194020A |
To provide a lighting fixture cum loupe capable of being used as the lighting fixture which is facilitated in carrying and use without damaging clothing or the like even when put in a pocket, and which can be used as an emergency lamp ca...
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JP2020187285A |
To provide a binocular magnifier for near vision capable of natural binocular vision with excellent image performance, and also to provide related technologies thereof.Provided are a binocular magnifier for near vision which achieves enl...
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JP2020181222A |
To provide a high eye-point eyepiece that is has a wide apparent field of view and has good optical performance, and to provide an imaging apparatus having the same.An eyepiece 3 comprises a positive first lens group G1, a positive or ne...
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JP2020166276A |
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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JP2020154190A |
To provide a viewfinder device equipped with an ocular optical system best suited for compact electronic viewfinders with a wide viewing angle.An observation optical system L0 for observing an image displayed on an image display screen D...
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JP6758198B2 |
An optical arrangement comprises two plates, with complementary shaped lens arrays. A decorative image is provided at the plate on the light input side. The plates are displaceable with respect to each other between a pass through mode w...
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JP6750081B2 |
To provide an ocular lens which offers a high eyepoint, a wide apparent field of view, and good optical performance, and to provide an image capturing device having the same.An ocular lens 3 is provided, comprising a positive first lens ...
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JPWO2019030912A1 |
Abstract: To provide an objective lens used for a dot sight in which an objective lens is made of synthetic resin and can be easily aimed even if an object moves, and a dot sight using the objective lens. The lens is made of a synthetic ...
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JP6740613B2 |
To enable a user wearing a head-mounted display device to easily perform operation of the display device.An HMD 100 comprises a right light guide part 26 and a left light guide part 28 as display parts that display an image so as to enab...
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JP2020118777A |
To provide an electro-active lens having at least two optical states with well-corrected chromatic aberration even in the electrically activated state.The electro-active lens having at least two optical state includes: a lens Lq made of ...
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JP6733834B2 |
The purpose is to provide a higher-quality three-dimensional image with a downsized optical system that does not need interpupillary adjustment. An ocular optical system according to the present disclosure includes, on an optical path vi...
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