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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...
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...
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...
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...
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...
7391575 Image display apparatus  
An image display apparatus is disclosed, which is small and has a wide view angle. The apparatus comprises an optical system which introduces light beams from first and second image display...
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,...
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,...
7355795 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...
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...
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...
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...
7262919 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...
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...
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...
7199935 Image display apparatus and image display system  
An image display apparatus having a compact size and appropriately achieving a larger field angle is disclosed while it has two optical systems guiding light from a single image forming device to...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
7068887 Polarization splitting grating couplers  
A polarization splitting grating coupler (PSGC) connects an optical signal from an optical element, such as a fiber, to an optoelectronic integrated circuit. The PSGC separates a received optical...
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 ...
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...
7046447 Variable focus system  
A variable focus system ( 100 ) that includes an electrovariable optic (EVO) ( 108 ) and a controller ( 112 ) operatively configured for changing the focal configuration of the EVO. The EVO...
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...
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...
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...
7012756 Display optical system, image display apparatus, image taking optical system, and image taking apparatus  
A display optical system for guiding light from an image to an observer or a surface projecting an image thereon with a first optical system and second optical system. The first optical system...
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...
7002751 Image display apparatus  
An image display apparatus forms illumination light from a light source into image light by using a reflective display device, and directs the image light through an eyepiece optical system to an...
7001033 Image display device  
An image display device includes a case with an opening, a luminous source image display displaying a first image, and a focusing element. The focusing element is positioned within the case, and...
6991338 Projection optical system, projection type image display apparatus, and image display system  
A projection optical system having a plurality of reflecting surfaces is disclosed in which a sufficiently large angle is provided between an incident side reference axis and an emerging side...
6969176 Spherically-enclosed folded imaging system  
Systems and methods are disclosed for obtaining compact, high beam-quality imaging systems for use within a spherical housing of a sensor ball of a given size. Primary and secondary mirrors may be...
6961162 Observation optical system using volume hologram  
An observation optical system comprises an image display element 5 and an eyepiece optical system which introduces an image formed by the image display element 5 to a center of an eye of an...
6937221 Scanned beam display  
A display apparatus includes first and second IR or other light sources that produce light at respective first and second non-visible wavelengths. The light is modulated according to a desired...
6935747 Image enhancement and aberration corrections in a small real image projection system  
An improved real image projection system comprises, in the primary configuration, a tilted mirror to eliminate ghost reflections, and a unique arrangement allowing the introduction of a second...
6930836 Head-up display device  
A head-up display device having an excellent appearance, which has a simple structure and an excellent design upon both nonuse and use, is provided. A cover having a shape equivalent to that of an...
6927918 Surgical head camera  
An optical system ( 10 ) comprises a camera ( 11 ) having an imaging means that in use faces downwardly, and an optical assembly. The optical assembly includes a support ( 14 ) that extends...
6914726 Optical apparatus and viewing optical system thereof which is capable of displaying information  
A viewing optical system of an optical apparatus has an objective system for forming an image of an object and an eyepiece system for enlarging and directing the image to the pupil. The viewing...
6909539 System and method for combining multiple energy bands to improve scene viewing  
A single sensor that can operate in multiple bands and display either one radiation band alone or multiple overlaid bands, using an appropriate color choice to distinguish the bands. The...
6903876 Display  
A body has a configuration in which a first ellipse has a first and second focal points and a second ellipse having a third and fourth points are arranged such that the second and third focal...
6900951 Display optical system  
The invention relates to a small-format display optical system using a reflection type image device as an image display device and capable of displaying bright, high-resolution images. The display...
6900936 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...
Matches 1 - 50 out of 413 1 2 3 4 5 6 7 8 9 >