Matches 1 - 50 out of 115 1 2 3 >


Match Document Document Title
US20150185546 DISPLAY PANEL  
A display panel includes: a plurality of pixels; and a first phase shifting layer and a second phase shifting layer, which overlap the pixels, where the first phase shifting layer and at least a...
US20130107366 EMBEDDED GRATING STRUCTURE  
An optical device comprising an optical grating structure embedded between media of substantially the same optical refractive index, the structure having an optical coating at the interface...
US20130038935 DIFFRACTIVE COMBINER FOR HEAD-UP COLOR DISPLAY DEVICE  
A diffractive combiner for head-up color display device comprises a first optical diffraction grating configured to diffract, in a direction of diffraction, light of a first incident wavelength on...
US20150151561 DISPLAY HAVING LIGHT-SCATTERING PROPERTY  
A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering...
US20140118829 SEE THROUGH NEAR-EYE DISPLAY  
The various embodiments include a near-eye display having a transmissive display and a diffractive micro-lens array. The transmissive display may be positioned relative to the diffractive...
US20150260994 OPTICAL DEVICE, HEAD MOUNTED DISPLAY, ASSEMBLING METHOD FOR THE SAME, HOLOGRAPHIC DIFFRACTION GRATING, DISPLAY DEVICE, AND ALIGNMENT DEVICE  
In some embodiments, a head mounted display is provided, comprising a light guide, at least first and second diffraction gratings, alignment marks A1 and B1 associated with the first diffraction...
US20130100362 NEAR-TO-EYE DISPLAY WITH DIFFRACTION GRATING THAT BENDS AND FOCUSES LIGHT  
A near-to-eye optical system includes an optically transmissive substrate having a see-through display region and a repeating pattern of diffraction elements. The repeating pattern of diffraction...
US20100296163 Exit Pupil Expanders with Wide Field-of-View  
The specification and drawings present a new apparatus and method for providing a wide field-of-view as well as illumination uniformity in exit pupil expanders (EPE) using stacked EPE substrates...
US20150101365 METHOD OF PROVIDING MARKINGS TO PRECIOUS STONES INCLUDING GEMSTONES AND DIAMONDS, AND MARKINGS AND MARKED PRECIOUS STONES MARKED ACCORDING TO SUCH A METHOD  
An identifiable mark on a portion of a polished facet of a surface of an article and being identifiable by an optical magnifying viewing device, said identifiable mark comprising a nano-structure...
US20120236415 DISPLAY AND LABELED ARTICLE  
A display including one or more first relief structures is provided. Each of the one or more first relief structures includes a smooth first reflection surface and a plurality of protrusions or...
US20050243424 Variable visual effect generating apparatus  
A variable visual effect generating apparatus includes a base sheet member, which has a design formed of spaced elements (lines, dots, or geometric patterns), and a transparent face sheet member,...
US20130038936 OBJECT PRODUCED BY A MOLDING PROCESS AND MARKED BY A DIFFRACTION GRATING, AND METHOD FOR THE PRODUCTION THEREOF  
The invention relates to a method for marking an object (1) during the production thereof, comprising the molding of at least one grating structure (10) on or in the surface of the object (1). To...
US20140211146 SEE-THROUGH NEAR-TO-EYE DISPLAY WITH EYE PRESCRIPTION  
An optical apparatus includes an optical combiner, an image lens, and an external scene lens. The optical combiner has an eye-ward side and an external scene side and includes a partially...
US20070165309 Diffractive color system  
A method in a diffractive color system that specifies visual color effects and/or target colors that are formed by mixing together two or more diffractively produced primary colors. The primary...
US20120147470 SECURITY DEVICE  
A security device, which is suitable in particular for improving the anti-forgery security of payment means, wherein the security device comprises a flat light reflection element. Several...
US20110242661 WAVEGUIDES  
A projection display 210 arranged to display an image to an observer 212 use waveguide techniques to generate a display defining a large exit pupil at the point of the observer 212 and a large...
US20080309996 Surface Relief Volume Reflective Diffractive Structure  
Disclosed is a surface relief structure. The structure includes a recording medium configured to be structurally modified when exposed to interfering and non-interfering portions of radiation...
US20080007952 Display element, display device, and camera  
A display element includes a display substrate that comprises a liquid crystal; and a plurality of diffraction gratings having different diffraction modes, arranged in regions of the single...
US20090201565 DEVICES AND METHODS FOR ENHANCING BRIGHTNESS OF DISPLAYS USING ANGLE CONVERSION LAYERS  
Various embodiments of the present invention relate to enhancing the brightness of displays that employ illumination systems. In some embodiments, the illumination systems include light guides,...
US20070183045 Diffractive security element comprising a half-tone picture  
A diffractive security element has a half-tone image comprising diffractive structures in a reflection layer, which are embedded in a layer composite between a transparent embossing layer and a...
US20090303599 General diffractive optics method for expanding an exit pupil  
This invention describes a general diffractive optics method that uses a plurality of diffractive elements on an optical substrate for expanding the exit pupil of a display of an electronic device...
US20090190222 Projection Display  
A projection display is provided including a first plate-like waveguide (7), an image providing light source device (10 and 11) located to inject image bearing light into the first plate-like...
US20090046367 REFLECTIVE PLATE, DISPLAY HAVING THE SAME, AND METHOD OF CONTROLLING DISTRIBUTION OF REFLECTED LIGHT  
Provided are a reflective plate and a display, and a method of controlling a distribution of reflected light. The reflective plate includes a plurality of diffracting grating cells including...
US20140347609 DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE  
A display apparatus is provided. The display apparatus comprises a liquid crystal display device, a first polarizer and a diffractive optical element. The first polarizer is disposed on a light...
US20110235179 WAVEGUIDES  
An image-providing light source device 58 is arranged to inject a non-coherent and collimated image into waveguide element 60. Light forming the image is dispersed by an optical element 76 so as...
US20100071237 Display and labeled article  
[Problems] A higher forgery prevention effect is realized. [Means for Solving Problems] A display according to the present invention is characterized by includes a relief-structured region as an...
US20120026576 DEVICES AND METHODS FOR ENHANCING BRIGHTNESS OF DISPLAYS USING ANGLE CONVERSION LAYERS  
Various embodiments of the present invention relate to enhancing the brightness of displays that employ illumination systems. In some embodiments, the illumination systems include light guides,...
US20110080641 Diffraction Toy System  
A diffraction toy system comprises an optical viewing device that provides a diffraction optical viewing effect. The viewing devices can be a pair of eyeglasses having diffraction lenses. The...
US20050270647 Two-dimensional diffraction grating with alternate multilayered stacks and its process of manufacture, and spectroscopic devices including these gratings  
The invention concerns a two-dimensional diffraction gratting for the dispersion of polychromatic or quasi-monochromatic luminous flux including a substrate (2) having a surface (3), a first (5)...
US20140177057 Film and Method for Producing Same  
The invention relates to a film (1) and a process for its production. The film (1) comprises a light-permeable replication lacquer layer (2) with a diffractive relief structure (3) formed in a...
US20120243094 METHOD AND DEVICE FOR PRODUCING COLOR PATTERN BY MEANS OF DIFFRACTION GRATINGS  
In the method for creating color patterns for technical applications and visible for the human eye by means of diffraction gratings through light irradiation, diffraction grating arrays are...
US20150103404 WEARABLE LASER BASED DISPLAY METHOD AND SYSTEM  
The present invention is directed to wearable display technologies. More specifically, various embodiments of the present invention provide wearable augmented reality glasses incorporating...
US20130063815 ELECTRONIC APPARATUS  
In an optical system, first green light reflected by a first diffractive optical element propagates in a left direction by repeating total reflection within a first light guide unit, is reflected...
US20120249934 DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE  
A display apparatus and a liquid crystal display device are provided. The display apparatus comprises a display device for displaying an image and a diffractive optical element. The diffractive...
US20110069360 GRID IMAGE  
The present invention relates to a grating image (30) for depicting a motif (24) that moves upon tilting the grating image (30) about a tilt axis (20), having two or more grating fields (32, 34,...
US20100118403 Layered light guide with diffractive structures  
A layered light guide structure has a number of planar light guides arranged in a stack to receive a number of different color light beams from the edge of the light guides. Each of the planar...
US20130155513 OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY  
A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume...
US20100254007 Display and labeled article  
A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering...
US20120206811 OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY DEVICE  
A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume...
US20120081789 OPTICAL DEVICE, AND VIRTUAL IMAGE DISPLAY DEVICE  
A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume...
US20150219807 Security Element Having a Color-Effect-Producing Structure  
A security element for an object of value has a flat, transparent body with a front side and a back side between which there lies a center plane, a first region configured on the body and a second...
US20070291362 OPTICALLY VARIABLE DEVICE WITH DIFFRACTION-BASED MICRO-OPTICS, METHOD OF CREATING THE SAME, AND ARTICLE EMPLOYING THE SAME  
A security device includes an optically variable device (OVD) having diffraction-based micro-optics including at least one moiré magnified visual representation of a micro-object. A diffractive...
US20150185376 OPTICALLY VARIABLE SECURITY DEVICES  
An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a...
US20120075701 OPTICALLY VARIABLE SECURITY DEVICES  
An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a...
US20140268067 ILLUMINATION DEVICE AND PROJECTOR  
A illumination device includes a light source, a diffractive optical element on which light emitted from the light source is made incident, and a superimposing optical system on which diffracted...
US20150251480 OPTICAL SECURITY COMPONENT WITH A REFLECTIVE EFFECT, PRODUCTION OF SUCH A COMPONENT AND SECURE DOCUMENT PROVIDED WITH SUCH A COMPONENT  
An optical security component designed to be observed in a spectral observation band of between 380 nm and 780 nm by direct reflection, comprising an observation face and identifiable information,...
US20110090564 EXTERIOR PARTS AND METHOD OF MANUFACTURING THE SAME  
An exterior part (100) has a first structural color region (111) formed by a first linear peak-valley pattern including multiple linear grooves arranged in X direction, and a second structural...
US20120062850 LASER-SCANNING VIRTUAL IMAGE DISPLAY  
A virtual-image projector comprises a laser configured to form a narrow beam, first and second dilation optics, first and second redirection optics each having a diffraction grating, and a...
US20150248790 USING CIRCULARLY-SYMMETRIC DIFFRACTIVE OPTICAL ELEMENTS FOR AUGMENTED OR VIRTUAL REALITY  
Configurations are disclosed for presenting virtual reality and augmented reality experiences to users. The system may comprise an image-generating source to provide one or more frames of image...
US20130314789 Optical Apparatus and Method for Expanding an Exit Pupil  
A first optical arrangement is configured to couple into an apparatus a first component of a light beam having a wavelength within a first spectral range; a second optical arrangement configured...

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