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7637617 |
Method and device for generating retinal images using the stigmatism of the two foci of a substantially elliptical sight
A method for generating retinal images using the stigmatism of the two foci (F, F′) of a substantially elliptical sight (E) with a semi-reflective surface, wherein a so-called object focus...
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7636199 |
Optical device for superposing electronic images in front of an objective
The field of the invention is that of optical devices allowing the superposition of an electronic image on an image coming from an external scenery. The subject of the invention is an optical...
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7629877 |
Multifunctional collimator indicator
The present invention relates to indication systems providing augmented visual support for the operator of a motor vehicle, vessel or an aircraft. The indication system is positioned in the...
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7619825 |
Compact head up display with wide viewing angle
The present invention provides an optical display system and method for producing images and presenting the images for observation in combination with an observer's visual exterior view of an...
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7616378 |
Dichroic beam splitter and related apparatus and methods
Dichroic beam splitters having non-parallel entry and exit surfaces, reduced distance between such surfaces, and an aspherical exit surface can be advantageously used in dual channel optical...
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7602552 |
Head-up display system
A head-up display system includes a display device for generating and displaying information to an eye of an observer; a tilted power combiner for superimposing the information displayed by the...
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7589902 |
Method of combining images in a wearable display system
A wearable display system, such as a Head Mounted Display, having a display engine producing light, preferably linearly polarized light, which defines a synthetic image that is relayed to a wire...
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7570430 |
Head up display having a combiner with wedge lenses
A head up display system for a vehicle includes an image source and an optical combiner which reflects the projected image from the image source toward an observer for observation. The optical...
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7549775 |
Light source apparatus and image display apparatus having same
Directivity of light beams can be adjusted appropriately relative to the normal to the light emission surface of a light source. Thus, the light source apparatus has high brightness without...
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7545571 |
Wearable display system
A wearable display system, such as a Head Mounted Display, having a display engine producing light, preferably linearly polarized light, which defines a synthetic image that is relayed to a wire...
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7542209 |
Compact head mounted display devices with tilted/decentered lens element
One embodiment of the invention comprises a simplified light-weight head mounted displays comprising an off-axis combiner and imaging optics defining an optical path. The imaging optics comprises a...
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7532175 |
Head-up display device
A head-up display device includes a display unit for displaying information, a reflector rotatably supported by frame members fixed to a vehicle, and an adjuster for adjusting a rotational position...
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7525740 |
Display optical system and image display apparatus
The display optical system includes first to third surfaces each having at least a reflection function, and a fourth surface having a reflection function and disposed outside an inside area...
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7525734 |
Display apparatus for vehicle
A plate-shaped display device is partitioned into a meter display area and a HUD display area. Images displayed on the display device are visible on both front and rear surfaces of the display...
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7522342 |
Image display apparatus
An image display apparatus having a wide view angle of an observed image with a small (thin) structure, which includes: two image forming elements; and an optical system guiding a beam from the...
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7518570 |
Method and apparatus for miniaturizing digital light processing displays using high refractive index crystals
A digital light processing display system is provided with fewer major moving parts and a smaller form factor. A high-intensity, high-frequency strobe light is used to direct a pulse of light...
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7517090 |
Real image projection device having plastic curved mirror for improving image and correcting aberrations
A device using a low-cost plastic curved mirror and several combinations of methods for reducing aberrations to improve a real image projection system is provided, so as to reduce ghost and...
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7515345 |
Compact objective lens assembly
A high-performance image-forming optical objective lens made compact and thin, particularly in the object side direction, by twice folding the optical path by means of two prism lenses...
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7492330 |
Cap with display device
A cap with a display device includes a display element suspended in a position below a visor of the cap and in front of the forehead of a wearer and above the eyes of the wearer so as to allow a...
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7477453 |
Optical system for image transmission, particularly for projection devices of the head-mounted type
An optical system for image projection, particularly for projection devices of the “head-mounted”type, includes a display, an optical system for focusing an image formed by the display, and a...
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7468843 |
Optical system and display apparatus
A display apparatus which has a mirror with a free curved reflective surface of which curvature fluctuates with inflection points, a liquid crystal display (LCD), a back light and a polarizer....
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7450310 |
Head mounted display devices
One embodiment of the invention comprises a simplified light-weight head mounted displays comprising an off-axis combiner and a pair of plastic lenses. One of the lenses is a rotationally symmetric...
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7446943 |
Display optical system, image display apparatus, image taking optical system, and image taking apparatus
A display optical system for guiding light from an original picture to an eye of an observer or a surface to have an image projected thereon is provided with a first optical system and a second...
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7420751 |
Compact optical apparatus for head up display
In a head up display apparatus adapted to be mounted on a head in the goggle type or the head gear type and enable a video image to be observed, wherein an original image is directed to an eyeball...
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7400439 |
Uniform illumination system
A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The...
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7397607 |
Micro-display engine
Virtual displays with micro-display engines are arranged in compact, lightweight configurations that generate clear virtual images for an observer. The displays are particularly suitable for...
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7382410 |
Portable telephone with phototaking optical system, two dimensional display and magnifying optical system
The invention relates to a compact electronic camera which enables an electronic image to be displayed on a two-dimensional display element while it is phototaken or after it has been phototaken,...
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7369317 |
Head-mounted display utilizing an LCOS panel with a color filter attached thereon
Display apparatus such as a see-through head-mounted display (HMD) through which a viewer could capture a scene while seeing an object through the apparatus is disclosed. In the display apparatus,...
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7350922 |
Three-dimensional display using variable focal length micromirror array lens
A three-dimensional display device includes a two-dimensional display displaying a depthwise image, and a variable focal length micromirror array lens receiving light from the two-dimensional...
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7345822 |
Head-up display device with curved optical surface having total reflection
A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding...
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7286272 |
Image display unit
The present invention relates to an image display device in which a virtual image of an image display element is formed to display an image. The image display device includes a transmission type...
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7262890 |
Observation optical system
An observation optical system has an entrance surface, a reflecting surface, and an exit surface. At least one of these surfaces is configured as a free-formed surface, to which a volume...
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7230766 |
Optical combiner designs and head mounted displays
Various embodiments involving structures and methods for illumination can be employed, for example, in projectors, head-mounted displays, helmet-mounted displays, heads-up displays, back projection...
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7190497 |
Scanning type image display optical system, scanning type image display apparatus, and image display system
A scanning type image display optical system of the present invention comprises: a reflecting surface; an optical scanning unit which forms a two-dimensional image on the reflecting surface by...
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7145726 |
Head-mounted virtual display apparatus for mobile activities
The present invention is a head-mounted virtual display apparatus based on a non-cross-cavity optical configuration, in which a near-eye light deflecting element (LDE) is located in the peripheral...
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7136228 |
Optical system and display apparatus
A display apparatus which has a mirror with a free curved reflective surface of which curvature fluctuates with inflection points, a liquid crystal display (LCD), a back light and a polarizer....
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7133207 |
Micro-display engine
Virtual displays with micro-display engines are arranged in compact, lightweight configurations that generate clear virtual images for an observer. The displays are particularly suitable for...
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7119971 |
Optical prism, display element support and optical assembly using the same
An optical prism 100 for reflecting light incident on its light incidence surface 12 suited for incidence of light from an LCD 20 at least twice within itself and emitting the reflected light...
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7113349 |
Decentering optical system and optical system using the same
A decentering optical system which takes a substantially parallel beam as input light, includes a prism having a medium whose refractive index is greater than 1, and four optical surfaces disposed...
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7095562 |
Advanced compact head up display
A head up display system for a vehicle that includes a compact image source for projecting an image. The compact image source may be foldable up toward or into a cockpit ceiling of the vehicle, be...
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7086742 |
Projection optical system
A projection optical system is disclosed with which undistorted images can be obtained at any image position within a specification range, and whose projection angle can be changed. The projection...
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7081999 |
Image display apparatus and head mounted display using it
An image display apparatus includes a reflective display device, a light source for illuminating the display device, an illumination optical system for guiding light from the light source to the...
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7077523 |
Three-dimensional display using variable focusing lens
A three-dimensional display device includes a two-dimensional display displaying a first image, and a variable focusing lens receiving light from the two-dimensional display and forming a second...
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7072096 |
Uniform illumination system
A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The...
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7068444 |
Image display unit and projection optical system
An intermediate image of an image from the LCD module 142 is deflected by reflection mirrors M 1 and M 2 via zoom automatic focus control system (g) and then is formed on diffusion glass 131 ...
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7057814 |
Illumination system for reflective displays
An illumination system for a reflective display is particularly useful for microdisplays that use reflective displays. The light source and the reflective image display unit are mounted in a...
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7027229 |
Display optical system
A display optical system is disclosed which can attain a reduction in size and widening of an angle of view. The display optical system comprises an optical system including a first optical system...
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7023621 |
Device and method for the laser projection of high-resolution images onto the retina of the eye, superimposed with the image content of the field of vision
The optical system as described achieves retinal display of video images at a viewing angle of approx. 60° by a monochromatic or color mixture of laser beams. Retinal display is either direct or...
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RE39024 |
Exposure apparatus having catadioptric projection optical system
To use a beam splitting optical system smaller than the conventional beam splitters and to set a longer optical path between a concave, reflective mirror and an image plant. A light beam from an...
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7009775 |
Eyepiece optical system, and display device using the eyepiece optical system
The invention relates to a display system wherein a Fresnel lens that forms an eyepiece optical system is curved to correct for decentration aberration, whereby a display screen can be wholly...
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