|
Match
|
Document |
Document Title |
|
|
7453612 |
Optical device, and virtual image display
An optical device including an optical waveguide upon which a group of parallel light beams different in traveling direction from each other are incident and from which the group of parallel light...
|
|
|
7446915 |
Diffuse reflector and method
A diffuse reflector comprises a substrate ( 20 ) having an asymmetric, reflective, periodic surface relief microstructure formed such that, under illumination by a multiplicity of wavelengths in a...
|
|
|
7443587 |
DOE-based systems and devices for producing laser beams having modified beam characteristics
Novel methods are disclosed for designing and constructing miniature optical systems and devices employing light diffractive optical elements (DOEs) for modifying the size and shape of laser beams...
|
|
|
7443553 |
Holographic sensors and their production
An array of discrete sensors disposed on a substrate, each sensor comprising a holographic support medium and a hologram disposed throughout the volume of the medium, whereby interaction with an...
|
|
|
7440153 |
Backlight unit for flat panel display and flat panel display apparatus having the same
A backlight unit for a flat panel display and a flat panel display apparatus having the same. The backlight unit for a flat panel display includes a light source emitting light, a light guide panel...
|
|
|
7436560 |
Display device for a vehicle
A display device for a vehicle includes a transparent window with a light emission layer intended to separate the interior of the vehicle for emitting visible light when light is beamed onto the...
|
|
|
7433105 |
Decorative film, carton, and method of making
A film having a Fresnel lens is placed adjacent a design to create a three-dimensional image. The film can be used separately or laminated to a substrate to create enclosures such as cartons,...
|
|
|
7432487 |
Device for correcting output of optical pickup
Light receiving elements for receiving a + one-dimensional light divided into four are arranged in the vicinity of a light receiving part for receiving the zero-dimensional light. Some light...
|
|
|
7425951 |
Three-dimensional image display apparatus, method of distributing elemental images to the display apparatus, and method of displaying three-dimensional image on the display apparatus
An apparatus is provided with a display unit and a optical filter. The unit has pixels arranged in a matrix form, which are grouped into a first group and second groups to display two-dimensional...
|
|
|
7418170 |
Optical device and virtual image display device
A virtual image display device is provided which displays a two-dimensional image for viewing a virtual image in a magnified form by a virtual optical system. The virtual image display device...
|
|
|
7416818 |
Switchable volume hologram materials and devices
A new photopolymerizable material allows single-step, fast recording of volume holograms with properties that can be electrically controlled. Polymer-dispersed liquid crystals (PDLCs) in accordance...
|
|
|
7416306 |
Laser projector
A reflection-type laser projector ( 100 ) projects modulated laser beams outputted from a laser projection unit ( 40 ), on a screen, wherein a reflector ( 112 ) as a constituent of the screen ( 110...
|
|
|
7413678 |
Electrically switchable polymer-dispersed liquid crystal materials
A new photopolymerizable material allows single-step, fast recording of volume holograms with properties that can be electrically controlled. Polymer-dispersed liquid crystals (PDLCs) in accordance...
|
|
|
7400431 |
Method for encoding video holograms for holographically reconstructing a scene
A method and a device for encoding and reconstructing computer-generated video holograms using a conventional LC display: it provides holographic reconstruction of three-dimensional scenes using...
|
|
|
7399421 |
Injection molded microoptics
A wafer-scale apparatus and method is described for the automation of forming, aligning and attaching two-dimensional arrays of microoptic elements on semiconductor and other image display devices,...
|
|
|
7396130 |
Optical system, image projection apparatus and method thereof
An image projection apparatus. The image projection apparatus comprises a light source and LCD panel. The LCD panel comprises a plurality of pixels and color filters thereon. Light from the light...
|
|
|
7388696 |
Diffuser, wavefront source, wavefront sensor and projection exposure apparatus
A wavefront source having a wavefront formation structure ( 4 a ) and a diffuser with a scattering structure ( 2 b ) in the beam path in front of or at the level of the wavefront formation...
|
|
|
7385742 |
Image display apparatus
An image display apparatus has: a display element for displaying an image; a light source section for supplying an illumination light to the display element; a reflection type hologram for...
|
|
|
7379219 |
Method and apparatus for illuminating a computer generated hologram
A holographic display comprising a spatial light modulator, SLM, for displaying a computer generated hologram, CGH, containing horizontal or vertical parallax only, HPO, means for illuminating the...
|
|
|
7355768 |
Wavelength tunable holographic filter with broad acceptance angle and narrow spectral bandwidth
A narrowband, tunable filter with a wide acceptance angle utilizes two holographic filter elements connected in series. The filter blocks light outside of a narrow spectral band of interest, while...
|
|
|
7351953 |
Apparatus and method to generate and control optical traps to manipulate small particles
The present invention relates generally to an apparatus and method to generating and controlling optical traps for manipulation of small particles. An upstream modification of an input laser beam...
|
|
|
7336329 |
Liquid crystal display device using holographic diffuser
A liquid crystal display device includes a liquid crystal cell, a first polarizer under the liquid crystal cell, a backlight under the first polarizer, and a holographic diffuser over the liquid...
|
|
|
7330657 |
Method to demultiplex wavelengths of light
An apparatus and method for demultiplexing multiple wavelengths of light. In one embodiment, an optical signal having a plurality of wavelengths is provided to an optical-to-electrical (OE) circuit...
|
|
|
7330292 |
Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD with a base thickness of about 0.1 mm...
|
|
|
7317565 |
Projection viewing system
A projection viewing system of simplified construction and high illumination efficiency, which enables at least two images varying with viewing directions to be simultaneously displayed in a...
|
|
|
7312906 |
Switchable polymer-dispersed liquid crystal optical elements
Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements....
|
|
|
7307804 |
Thermally stabile GRISMs
Thermally stable GRISMs comprise a substrate and cover plate composed of a first material keeps the spatial frequency of the grating stable with temperature, and a prism composed of a second...
|
|
|
7298534 |
Off-axis holographic light concentrator and method of use thereof
A light receiving apparatus comprises a holographic optical device having a plurality of holograms recorded in a light receiving surface thereof. The holographic optical device is configured to...
|
|
|
7298533 |
Optical films for creating unique optical effects
An optical layer comprises a sheet of material having a surface. The surface comprises a plurality of optical elements. The optical elements are comprised of microscopic patterns in the surface...
|
|
|
7295357 |
Apparatus for handling minute object
An apparatus for handling a minute object such as a cell by using a holographic optical tweezers that comprises a laser light source 1 , holographic plate 3 having a specified pattern to form a...
|
|
|
7292755 |
Optical resonator formed in a planar optical waveguide with a distributed optical structure
An optical apparatus comprises a planar optical waveguide having at least two reflectors. The planar optical waveguide substantially confines in at least one transverse spatial dimension optical...
|
|
|
7292259 |
Recording system for light-sensitive sheet
The invention provides a system for recording a datum onto a pixel on a light-sensitive sheet. The system essentially includes a light-emitting device and an interfering device. The interfering...
|
|
|
7289254 |
Optometry measurement device
The present invention features a method and device for measuring characteristics of the human eye, particularly spherical refractive error. The device comprises a recorded hologram of an array of...
|
|
|
7286732 |
Distributed optical structures designed by computed interference between simulated optical signals
An optical apparatus comprises a planar optical waveguide and at least one set of diffractive elements formed in or on the waveguide. The waveguide is arranged to confine propagating optical...
|
|
|
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...
|
|
|
7286197 |
Liquid crystal display having high brightness and enhanced viewing angle
A liquid crystal display (LCD) realizes a high brightness by using cholesteric liquid crystal (CLC) in a color filter and a polarizer, and improves viewing angles by using a hologram diffuser. The...
|
|
|
7283187 |
Method of fabricating hologram diffuser for liquid crystal display and liquid crystal display device using the same
A hologram diffuser for a liquid crystal display wherein a resin layer with a desired thickness is formed on an upper substrate. A hologram pattern is formed in the resin layer using a hologram...
|
|
|
7277640 |
Optical add/drop multiplexing systems
The present invention overcomes problems associated with switch isolation, noise and crosstalk suppression, insertion loss, spurious reflections, wavelength tolerance, and compactness that are...
|
|
|
7277210 |
Measuring spectral lines from an analyte using multiplexed holograms and polarization manipulation
An optical apparatus in which multiplexed holograms are used to achieve wavelength selectivity and polarization manipulation is used to facilitate near-normal incidence of light on the holograms....
|
|
|
7265903 |
Switchable polymer-dispersed liquid crystal optical elements
Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements....
|
|
|
7265882 |
Switchable polymer-dispersed liquid crystal optical elements
Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements....
|
|
|
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...
|
|
|
7262889 |
System and method for volume holographic imaging using spectral illumination
A holographic imaging system is disclosed that includes a spectral electromagnetic field unit for providing a plurality of focal areas of a plurality of wavelengths of electromagnetic fields along...
|
|
|
7259899 |
Narrow angle hologram device and method of manufacturing same
A method of manufacturing a master for producing a hologram device. A first master is produced with a compensating angle. The second master is produced from the first master with an index matching...
|
|
|
7259898 |
Direct view LC display
A display is provided having first and second direct view modes of operation. The display comprises a liquid crystal display panel and a backlight which is illuminated during the first mode so that...
|
|
|
7258957 |
Method for aligning exposure mask and method for manufacturing thin film device substrate
A method for aligning an exposure mask, comprises: using a plurality of hologram masks, on which alignment marks are formed,; aligning position of the hologram masks toward an object, which is...
|
|
|
7255968 |
Alignment method of exposure mask and manufacturing method of thin film element substrate
A method for aligning an exposure mask comprises: using a plurality of hologram masks, on which an alignment mark is formed; aligning position of the hologram masks toward an object to be exposed...
|
|
|
7253933 |
Apparatus and method for the temporal profiling of short laser pulses with thick Bragg gratings
A system and/or method for temporal profiling of an incident laser pulse. The system and/or method includes a laser beam source for providing the incident laser pulse and a Bragg grating (BG)...
|
|
|
7250636 |
Display apparatus and method for producing the same
A display apparatus includes an array of fiber-type semiconductor light-emitting elements. Each of the fiber-type semiconductor light-emitting elements includes a layered structure having a first...
|
|
|
7248409 |
Optical element, optical lens, optical head apparatus, optical information apparatus, computer, optical information medium player, car navigation system, optical information medium recorder, and optical information medium server
An optical lens includes a hologram, a refractive lens, and a phase level difference. The hologram has a sawtooth shape grating having a sawtooth shape in cross-section, and generates +2nd-order...
|