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JP2018124486A |
To easily adjust a distance at which a virtual image is visually recognized in a display device for enabling a user to visually recognize the virtual image.A display device (10) displays a video in which a virtual image (112) is visually...
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JP6363570B2 |
A finder is a reverse Galileo type finder comprising, in order from the object side to the eye point side: an objective lens group having a negative refractive power; and an eyepiece lens group having a positive refractive power. The dis...
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JP3217037U |
To provide a magnifying display device capable of alleviating excessive visual acuity fatigue caused by a short-distance eye and delaying the progression of myopia. A magnifying display device includes a fixed base 2, a support arm 3, a ...
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JP6357281B2 |
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JP2018105974A |
To provide a surgical loupe with a more easily adjustable convergence angle.A surgical loupe comprises: two optical systems forming an image of light from a surgical field as an object to be observed onto the eyes of a wearer; and a driv...
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JP2018100998A |
To provide a display device with which it is possible to prevent a non-pixel area existing between the pixel areas of a video source from being visually recognizable.In a display device 1, an optical sheet 20 consists of at least two opt...
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JP2018097056A |
To provide a finder optical system and imaging device that include an eyepiece lens with a long eye relief, and a large observation magnification, and enabling a sufficient aberration correction with two elements of lenses used.A finder ...
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JP2018091948A |
To provide a manufacturing method of an optical element capable of depositing a functional film while suppressing uneven coating, an optical element, and a wearable terminal.A manufacturing method of an optical element obtained by bondin...
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JP6340085B2 |
The present invention discloses a short-range optical amplification module, spectacles, a helmet and a VR system. The amplification module includes a reflective polarizing plate, a first phase delay plate, a second lens and a second phas...
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JPWO2017022670A1 |
An eyepiece optical system (10) that projects an image displayed on an image display device (15) arranged on the image plane side (22) onto an eye (5) arranged on the ejection side (21). A first lens (L1) with a positive refractive force...
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JP6319860B2 |
Provided are binocular loupes capable of ensuring an optimal focal distance at the time of focusing for a user using a simple operation. A focus adjustment unit disposed in the eyepiece units of a pair of left and right loupe bodies of b...
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JP6318543B2 |
A finder optical system includes an image inverter optical member and an eyepiece lens system. The eyepiece lens system includes a first lens element, a positive biconvex second lens element, and a meniscus third lens element having a co...
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JP2018060041A |
To provide an eyepiece optical system having a high variable power ratio and good optical performance, an optical apparatus and a method for manufacturing an eyepiece optical system.An eyepiece optical system EL has at least two lens gro...
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JP2018055035A |
To provide a display device capable of suppressing visual recognition of a non-video region present between pixel regions of a video source and caused by non-pixel region.A display device 1 comprises: a video source 11 for emitting video...
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JP2018506744A |
Systems, equipment, and methods for eyebox expansion by exit pupil replication in a wearable head-up display (WHUD) based on laser scanning are described. The WHUD described herein includes a laser scanning projector (SLP), a holographic...
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JP2018031838A |
To provide an illumination device that can illuminate only a portion intended to be enlarged without leakage of light.An illumination device is formed of three components: a shading hood 11, an LED light source, and a lens. The shading h...
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JP3214908U |
[Subject] underwater provides a reliable magnifying glass. [Means for Solution] One air layer 2a, vent 7a open for free passage, and air layer 2b of another side and vent 7b open for free passage are formed in a peripheral wall of frame ...
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JP6279110B2 |
A chromatic-difference-free wide-angle camera for a head-mounted device, comprising a casing, a biconvex plus lens (1), and a biconcave minus lens (2). The biconvex plus lens (1) and the biconcave minus lens (2) are arranged in parallel ...
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JP6274586B2 |
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JP6264405B2 |
To provide a virtual image display unit that can prevent a deterioration of an image due to unevenness in brightness while suppressing a loss of light intensity to take out image light in good condition.In an angle conversion part 23, in...
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JP6264372B2 |
A variable-magnification observation optical system includes an objective system, an erecting system, and an eyepiece system. The objective system includes a positive first group, a positive second group, and a negative third group in or...
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JP2018010218A |
To provide an eyepiece optical system, optical instrument and eyepiece optical system manufacturing method that are high in variable magnification and have excellent optical efficiency.An eyepiece optical system EL includes at least two ...
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JP2018010217A |
To provide an eyepiece optical system, optical instrument and eyepiece optical system manufacturing method that are high in variable magnification and have excellent optical efficiency.An eyepiece optical system EL includes two lens grou...
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JP6257171B2 |
An ocular optical system used to view an image displayed on an image display surface, which includes a first lens having positive refractive power, a second lens of meniscus shape having negative refractive power with its concave surface...
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JP6249366B2 |
To provide an image display device with which it is possible to adjust the size and observation area of a space image formed iris surface so as to be suitable for the purpose of use of a display, and also to obtain image display floating...
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JP2017219825A |
To solve the conventional problem of a head-mounted magnifier, which is used when a user sees an object in a magnified manner or an object is out of focus, in which, when shifting a line of sight to see a distant object, a lens needs to ...
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JP2017219657A |
To provide an optical device having a simple and small size correction optical system capable of correcting astigmatism and coma aberration, which are generated by a member disposed at an angle in an optical path, in an entire peripheral...
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JP2017219656A |
To provide a finder capable of ensuring eye point for a long period with a large observation magnification while ensuring high optical performance in a camera which uses an image pick-up device smaller than a 35 mm film such as APS-C siz...
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JP2017215478A |
To reduce a reflectance on a grating surface in a diffraction optical element having a thin film between a first diffraction grating and a second diffraction grating.A diffraction optical element (DOE) 10 includes a first diffraction gra...
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JP2017215477A |
To reduce a reflectance on a grating surface in a diffraction optical element having a thin film between a first diffraction grating and a second diffraction grating.A diffraction optical element (DOE) 10 includes a first diffraction gra...
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JP2017211475A |
To provide an observation optical system that enables an observer to easily observe a video displayed on an image display element with a wide field of view, high quality, and high optical performance while reducing the size of the entire...
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JP2017205507A |
To provide a system for assisting a user in determining a distance between the user's location and a landmark and/or advancing without any doubt.The system comprises: a user tracking system (206) to track the location of the user; and a ...
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JP6229104B1 |
[Subject] A design and manufacture are easy and it provides an aspheric surface junction lens with few Yield differences using cheap materials, such as a resin material. [Means for Solution] It has at least three interfaces and is from t...
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JP6199775B2 |
To facilitate checking a state before and after cleaning of an end face in an optical connector or the like.An end face observation system (100) comprises an end face observation device (20) for observing an end face (10A) of an observat...
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JP2017161756A |
To obtain a vision optical system capable of more easily observing an object image (a subject image) and an imaging device having the same.A vision optical system includes: on an optical path directed from an object side to an eyepiece s...
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JP6195345B2 |
To provide an eyepiece optical system having a wide visual field angle, and achieving high optical performance.The eyepiece optical system includes, in order from the object side to the emission side: a first lens L1 having a positive re...
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JP6191929B2 |
A head-mounted display device having: an image display element displaying a two-dimensional image; an eyepiece magnifying and projecting the image displayed by the image display element; and a holder holding the image display element and...
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JP6187585B2 |
These variable-magnification observation optical systems are provided with an objective system, an erecting system, and an eyepiece system. In order from the object side, the objective system has a positive first lens group, a positive s...
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JP2017146564A |
To provide a small-size space display device capable of performing enlarged display or remote display.A space display device 1 forms an image in an aerial region to display as an aerial image, and the device includes: a display 20 for di...
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JP6185787B2 |
The present invention addresses the problem of achieving an eyepiece lens system having a large amount of allowable eccentricity. This eyepiece system forms a magnified virtual image of an observation object, and the eyepiece system has ...
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JP6179938B2 |
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JPWO2016063418A1 |
To provide an eccentric optical system capable of projecting or capturing an image with high resolution while having a small size and a simple structure, and an image projection device using the eccentric optical system. An eccentric opt...
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JP2017129670A |
To provide a medical magnifier that is capable of acquiring a desired focal distance through easy replacement of a magnifier holding member to which a magnifier body is attached without being affected by bending of a fitting member to wh...
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JP2017123890A |
To provide a bracelet constituted by incorporating a device removed from a spectacle frame.A bracelet is constructed by incorporating a device 3 into an approximately C-shaped ring body 13 composed of two ring pieces 14a and 14b connecte...
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JP6162627B2 |
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JP2017120964A |
To provide a video display device that can maintain compact size and light weight of the device, and prevent the device from being damaged when pressure is applied an optical guiding element.A video display device includes a display elem...
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JP2017120336A |
To provide a head-mounted image display device having a lightweight and simple structure, which stably holds an image display module for projecting image light onto a user's eye.The head-mounted image display device of the present invent...
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JP3211205U |
[Subject] Work of focus Matching is unnecessary, and light pollution, such as leak light, is reduced and a magnifying glass which has a lighting function which can keep lighting environment inside a magnifying glass good, and radio with ...
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JP2017116566A |
To provide a viewfinder optical system that offers a sufficiently long eye relief and high observation magnification, and enables easy observation of a good finder image.A viewfinder optical system for observing an object image formed in...
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JP3210926U |
[Subject] Use a magnifying glass immediately, without a user forgetting in various situations, and provide a safe and simple magnifying glass storage bag which can manufacture simply and has a high indicator of a propaganda effect. [Mean...
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