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7449679 |
System and method for manipulating and processing materials using holographic optical trapping
A method and apparatus for manipulating particles (micro, nano, and pico) having one or more characteristics with an optical trap formed by modulating a laser beam with a Diffractive Optical...
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7419272 |
Day and night film
An optical element having a front side and a back side operates in an ambient lit mode and a backlit mode. The optical element includes a diffusely reflecting layer facing the front side for...
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7374298 |
Laser beam dump
A laser beam dump dissipates laser energy. The laser dump includes a cradle for holding the laser and an open cavity lined with a laser energy absorbing material. Laser emissions are directed from...
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7356969 |
Electronically shaded thin film transparent monochromatic liquid crystal display laminated window shading system
An electronically shaded glass window system is described that provides a progressively darkening window, based on either user input or detection of ambient light. This invention is appropriate for...
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7354164 |
Dispersing and polarizing light filter
An optical filter includes an array of light-transmissive beads in a matrix of opaque binder that surrounds one portion of the beads to provide light entrances and exit apertures for incident light...
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7349155 |
Screen having a layer of reflectors
A reflector comprises a core and a first dielectric mirror formed over at least a portion of the core to reflect light having a preselected wavelength. The reflector may comprise a plurality of...
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7347592 |
Light source for a projection system having a light absorption layer
A reflector for use in a projection system comprises an anodized metal substrate having a metal oxide layer. The metal oxide layer has a plurality of pores. A light absorbing pigment is deposited...
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7345813 |
UV adjustable optical attenuator
An optical element includes a light absorbing medium formed of a transparent material and light absorbing elements encapsulated within the transparent material. The light absorbing elements have an...
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7344260 |
Stowable laser eye protection
A stowable laser eye protection system is provided as a solution for protecting the eyes of pilots and other vehicle operators and optical sensors such as during critical phases of flight and for...
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7329977 |
Discharge lamp with a reflector and a burner
The invention relates to a discharge lamp with a reflector ( 1 ) and a burner ( 2 ), wherein the reflector ( 1 ) comprises at least a reflective contour ( 3 ) and a hollow reflector neck ( 4 ), the...
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7297386 |
Antireflection structure
An antireflection structure ( 10 ) comprises a base ( 1 ), and a finely roughened antireflection part ( 2 ) formed in a surface of the base ( 1 ). The finely roughened antireflection part ( 2 )...
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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...
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7293886 |
Stray-light reducing device for an optical system
A device is part of an optical system ( 1 ) that works with an intermediate image and comprises stop( 5 ) with associated aperture ( 6 ). The device comprises a light-reducing or light-absorbing...
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7287884 |
Vehicle operation supporting device and vehicle operation supporting system
A beam radiator that radiates visible light beams having a predetermined wavelength onto a road surface to inform drivers of other vehicles of the existence of a self-owned vehicle or to let a...
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7248392 |
Vision panel having a multi-layer primer
An electrochromic window includes a first transparent, e.g., plastic, substrate having a first primer over at least a portion thereof and a first electrically conductive coating over at least a...
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7173750 |
Electrochromic vision panel having a plurality of connectors
An electrochromic window includes a first transparent substrate having a first electrically-conductive coating and a second transparent plastic substrate having a second electrically-conductive...
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7167313 |
Three dimensional imaging system
Recent advances in surface techniques have lead to the development of extremely small (sub-micron) scale features. These techniques allow the formation of polymer micro-lenses as well as variable...
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7156530 |
Antireflection film, optical element and visual display
An antireflection film having a hard coat layer prepared on one side of a transparent substrate directly or through other layers, and further an antireflection layer laminated on a surface of the...
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7156529 |
Contrast enhancement filter and display provided with such filter
A contrast enhancement filter for a display device includes a plurality of connected sloping surfaces acting as a plurality of beam splitters, and a plurality of light absorbers, each arranged...
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7137713 |
Color sheet having light-shielding property
A color sheet having a light-shielding effect comprises at least a reflecting layer and a color layer overcoated on the side of the color sheet where the color sheet is exposed to light from the...
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7128429 |
Light trap and heat transfer apparatus and method
A heat sink containing a woolen material is provided for a band-pass filter in a curing lamp. Light having a particular wavelength(s) is transmitted through the band-pass filter and into the heat...
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7104659 |
Apparatus for using optical tweezers to manipulate materials
A method and apparatus for control of optical trap arrays and formation of particle arrays using light that is in the visible portion of the spectrum. The method and apparatus provides a laser and...
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7099076 |
Binoculars with light-shielding mechanism
There is provided binoculars which include a pair of observation optical systems each having an objective optical system, an erecting optical system and an eyepiece optical system. The binoculars...
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7093945 |
Imaging apparatus for endoscopes
An imaging apparatus for endoscopes has an objective optical system forming an image of an object and a holding frame retaining the objective optical system. The objective optical system is...
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7083292 |
Sheets for plasma display panels and process for producing the same
A PDP resin sheet 11 capable of transmitting a rectilinear light is prepared by alternately arranging a transparent section 12 and a dark section 13 in the direction of the sheet surface. The...
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7038849 |
Color selective screen, enhanced performance of projection display systems
Optical properties of a screen on which an image is being projected are considered. A patterned surface is given a predetermined pattern of color pixels whereby a degree of wavelength selectivity...
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7035678 |
Modular rearview mirror assembly including an electronic control module
A modular rearview mirror assembly for vehicles incorporates a housing into the mirror assembly case for supporting an electronic control module to reduce the vibration, to ease the installation of...
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7035022 |
Observation optical system and optical apparatus
An observation optical system is disclosed with which the Fresnel reflection at the surfaces of optical members can be reduced, the transmittance can be improved, and the surface reflection ghost...
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7005186 |
Damage resistant and tolerant optical materials
A new damage resistant and tolerant optical element is disclosed. Prior art solid or liquid host matrices are replaced by a soft crosslinked polymer or similar host material. The viscoelastic...
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7001030 |
System, method, and apparatus for improving the stealth capability of an optical instrument
A tube-mounted inclined optical flat for improving the stealth capability of an optical aperture is disclosed. The optical flat has a light-absorbing finish on its rear surface, and is mounted in...
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6997566 |
Rear projection screens and light filters with conformable coatings and methods of making the same
This invention relates to light transmitting filters comprising: (a) a light absorbing layer of material having a front surface and a back surface, (b) transparent microspheres embedded in the...
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6967796 |
Optical element and optical system
A diffractive optical element, which is used for an optical system of an exposure apparatus, includes a light-shielding member composed of a laminated layer of Cr oxide and Cr at a periphery of an...
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6956699 |
Polarizer to improve contrast for liquid crystal display from down view angle
A polarizer to improve contrast for LCD from down view angle is produced by laminating a triacetate cellulose (TAC) sheet on each side of a polyvinyl alcohol (PVA) sheet and further on the toppest...
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6939015 |
Chromium black light shield
A black light shield for preventing incident light from being received by light receiving elements, the black shield includes a support structure; a first CrO x layer disposed over the support...
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6939014 |
Liquid transmissive filter having anisotropic properties and method of fabrication
An optical filter includes an array of light-transmissive beads in a matrix of light absorbing binder that surrounds one portion of the beads to provide light entrances and exit apertures for...
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6912089 |
Optical diffusion film and process of producing optical diffusion film
A process of producing an optical diffusion film which comprises at least a transparent base layer on a transparent substrate, a layer of transparent microspheres over the transparent base layer...
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6896757 |
Rear projection screens and light filters with conformable coatings and methods of making the same
This invention relates to light transmitting filters comprising: (a) a light absorbing layer of material having a front surface and a back surface, (b) transparent microspheres embedded in the...
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6888301 |
Gas-discharge display apparatus having optical filter selectively absorbing light of a wavelength equal to that of the light emission of the discharge gas
A gas-discharge display apparatus is provided that reduces influence of light emission of the discharging gas so as to enhance a color reproducible range and make color purity of red color close to...
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6887531 |
Glare protection device
The glare protection device for welding applications contains an active electro-optical filter element ( 2 ) with an electronic control circuit ( 3 ). The active filter element ( 2 ) absorbs the...
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6869195 |
Rear projection screens and methods of making the same
A light transmitting filter including a light absorbing layer and a transparent layer having a microstructured front surface and a microstructured back surface, wherein the front surface is...
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6863406 |
Apparatus and method for fabricating, sorting, and integrating materials with holographic optical traps
An apparatus and method for manipulating, effecting interaction of, photochemically transforming and/or sorting small dielectric particles or other materials. The apparatus and method involves use...
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6846084 |
Apparatus for using optical tweezers to manipulate materials
A method and apparatus for control of optical trap arrays and formation of particle arrays using light that is in the visible portion of the spectrum. The method and apparatus provides a laser and...
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6834971 |
Low-backscatter aperture structure
A system including but not limited to a low-backscatter aperture structure, where the system can include but is not limited to a camera, an optical communications system, an imaging system, a test...
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6830349 |
Black body background for imaging
A light trap suitable for use in an optical imaging system includes a hollow sphere, with a hollow cylindrical tube attached substantially tangent to the surface of the sphere, and forming a...
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6830348 |
Antiglare and antireflection film, polarizer, and image display device
An antiglare and antireflection film is provided, which can be formed by a wet-coating method and which is excellent in the antireflection property, antifouling property, scratch resistance,...
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6802618 |
Optical screen apparatus having alternate opaque and clear layers and method of making such apparatus
An optical screen panel and a method of making an optical screen panel is disclosed. The panel includes layers or rows of alternating, or interleaved, light transmitting and light blocking or...
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6785032 |
Laser countermeasure system and method
A laser countermeasure system uses a fluence trigger along an optical path between an entrance and a detector at an output. The fluence trigger detects laser radiation and blocks the passage...
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6778239 |
Light diffusing plate and display apparatus
The light diffusing plate includes an unrecognizable structure having an optical refractive power, passing areas through which a collimated light incident from a side of the unrecognizable...
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6773122 |
Optical film containing anti-glare layer and image display apparatus using the same
An optical film containing an anti-glare layer having irregularities on a surface thereof, wherein the irregularities are arranged such that the value of NN determined by the sequence of the...
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6758568 |
Light trap and associated light focusing assembly
A light trap includes a light focusing assembly and a light trap assembly. The light focusing assembly includes an access member and an intermediate member. The access member has a frustoconical...
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