Matches 51 - 100 out of 388 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
7147903 High efficiency optical devices  
Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer....
7141297 Multilayer optical bodies  
Optical bodies, comprising: a plurality of first optical layers comprising a first polymer composition that comprises (i) a polyester portion having terephthalate comonomer units and ethylene...
7116483 Distributed bragg reflector and method of fabrication  
A distributed Bragg reflector and a method of fabricating the same incorporates a support for supporting the gaps against collapse. The method includes forming a plurality of alternating structure...
7108383 Optical system with reflection-angle-selective mirror  
An optical system includes a reflection-angle-selective mirror having a substrate, and a reflection-angle-selective coating structure deposited on the substrate. The reflection-angle-selective...
7106516 Material with spectrally selective reflection  
A material with spectrally selective reflection in the primary valences of red, green and blue is applied preferably onto laser projection screens in order to make possible the projection even in...
7088405 Structured transflectors for enhanced ambient and backlight operation of transmissive liquid crystal displays  
Color transmissive displays have historically used only backlight for forming the color image, and have not used ambient light. Usually, such a display is not used in bright sunlight, since the...
7086738 Optical projection system and method  
An optical projection system has a parallel light source for producing a parallel light beam. A first color splitter splits the parallel light beam into a first color beam and a color mixing beam....
7085059 Spatial light modulator with robust mirror substrate condition  
A light modulator and a method of manufacturing the same are provided having a substrate with reflectivity enhancing layers formed thereon. The layers include at least a top surface for receiving...
7085058 Security element with flip-flop color change effect and magnetic properties, article compromising such a security element and method for producing said security element and said article  
A security element ( 1 ) for application or embedding in objects ( 300 ), in particular for documents of value such as bank notes, credit cards and the like, is structured in a multi-layer fashion...
7083847 Optical film  
Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of...
7078090 Decorative foil  
A decorative foil is in the form of a layer composite structure ( 1 ) and comprises at least a transparent base foil ( 2 ), a transparent cover layer ( 4 ) and a transparent dielectric layer ( 3 )...
7077533 Reflecting device for electromagnetic waves  
A device serves for reflecting electromagnetic waves, in particular in a length range less than 200 nm. It has a mirror carrier made of a material with at least approximately vanishing thermal...
7064897 Optical polarizing films with designed color shifts  
Multilayer films are provided that exhibit a colored appearance when viewed at an oblique angle as a result of one or more reflection bands in the visible region of the spectrum. The films however...
7054065 Durable silver thin film coating for diffraction gratings  
A durable silver film thin film coated non-planar optical element has been developed to replace Gold as a material for fabricating such devices. Such a coating and resultant optical element has an...
7049004 Index tunable thin film interference coatings  
According to various embodiments and aspects of the present invention, there is provided a dynamically tunable thin film interference coating including one or more layers with thermo-optically...
7048387 Image projection system with an invisible-light reflector for heat dissipation  
An image projection system includes a light source for generating a light beam, a reflective housing, and an invisible-light reflector. The reflective housing includes an opening and forms an...
7038852 Polarization conversion optical system and polarization conversion element  
A polarization conversion optical system converts light having a nonuniform plane of polarization into light having a uniform plane of polarization. The system includes a multilayer dielectric film...
7029745 Security articles having diffractive surfaces and color shifting backgrounds  
A security article includes a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an embossed region with an optical diffraction...
7027225 Substrate independent distributed bragg reflector and formation method  
Distributed Bragg reflectors may be formed in fewer layers by the method, which is capable of producing greater differences in indexes of refraction. Group III–V alternating layers are deposited....
7012753 Optical device with enhanced mechanical stability operating in the extreme ultraviolet and lithography mask comprising such a device  
An optical device reflecting a range of wavelengths comprised between 10 nm and 20 nm comprises alternate superposed first and second layers. The first layers are made of metal or metallic compound...
7009745 Coating for optical MEMS devices  
A micromechanical device having a deflectable member which contacts a stationary member. An antireflective coating is applied to portions of the micromechanical device to limit undesired reflection...
7006292 Multi-cavity optical filter  
The invention provides a multi-cavity filter, and in particular, a multi-cavity bandpass filter having a predetermined centre wavelength. The filter includes a plurality of cavities, each cavity...
7005178 Security articles having diffractive surfaces and color shifting backgrounds  
A security article includes a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an embossed region with an optical diffraction...
6994438 Optical component casing, optical device and projector  
An optical component casing ( 40 ) that houses a plurality of optical components including a reflection mirror ( 424 ) and disposes the plurality of optical components on a planarly defined...
6992826 Devices based on an array of light-filtering channels with surface plasmon interference filters  
Devices based on surface plasmon filters having at least one metal-dielectric interface to support surface plasmon waves. A multi-layer-coupled surface plasmon notch filter is provided to have more...
6982832 Optically variable element comprising a sequence of thin-film layers  
The invention concerns an optically variable element, in particular an optically variable safeguard element for safeguarding banknotes, credit cards and the like, and a security product and a foil,...
6974631 High-reflectivity polyester coating  
The present invention provides a high reflectivity lighting fixture, comprising a coated reflector and a light source. The reflector is coated with a composition that includes a cycloaliphatic...
6961183 Optical filter and optical instrument  
An optical filter is provided with a thin film having: a first laminated portion that is constructed by alternately laminating low refractive index layers that have a relatively low refractive...
6954309 Optical component  
An optical component for effecting frequency selective reflection in the gigahertz and terahertz frequency ranges and for effecting wave permeability includes at least one first layer ( 1, 3, 5 )...
6947218 Fabry-perot etalon with independently selectable resonance frequency and free spectral range  
The invention relates generally to optical interference filters and interferometers. Methods, devices and device components for optical signal generation and processing using optical interference...
6947217 Distributed Bragg reflector and method of fabrication  
A distributed Bragg reflector and a method of fabricating the same incorporates a support for supporting the gaps against collapse. The method includes forming a plurality of alternating structure...
6943951 Optical component and dispersion compensation method  
An optical component of the present invention is compensated its optical dispersion, including third order dispersion, at low loss using optical dispersion compensating element comprising...
6937398 Highly reflective optical components  
Optical components may be made with reflectors that increase the reflectivity of the resulting device. Increasing in the reflectivity may reduce the need for higher power light sources. In...
6927387 Optoelectronic device with integrated wavelength filtering  
The invention relates to an optoelectronic device including filter means ( 3 ) for transmitting a selected spectral portion of light waves and for reflecting a complementary spectral portion...
6916101 Metallic mirror, metallic rotary polygonal mirror, and process for their production  
A metallic mirror comprising a substrate made of aluminum or an aluminum alloy, and superposingly provided thereon, in order, an intermediate TiO 2 layer and a metallic reflective in layer. The...
6909550 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion  
An optical apparatus for producing chromatic dispersion. The apparatus includes a virtually imaged phased array (VIPA) generator, a mirror and a lens. The VIPA generator receives an input light at...
6906863 Lamp reflector and reflector  
An object of the invention is to provide a reflective sheet that uses silver which exhibits a high reflectance as a reflective layer and is excellent in light resistance and wet heat durability, as...
6903873 High omnidirectional reflector  
A reflector, a method of producing same and a method of creating high omnidirectional reflection for a predetermined range of frequencies of incident electromagnetic energy for any angle of...
6898011 Multi-layered film reflector manufacturing method  
Methods are disclosed for manufacturing multi-layer film reflection mirrors, in which a desirable shape accuracy of a reflected wavefront can be obtained after locally scraping the multi-layer...
6894838 Extended bandwidth mirror  
A dielectric mirror including a substrate and a reflector portion disposed directly on the substrate. The reflector portion includes alternating layers, e.g. in excess of 150 alternating layers, of...
6894821 Optical devices having reflective and transmissive modes for display  
Display apparatuses are shown capable of displaying information in a reflective mode using only ambient light and in a transmissive mode using a light source. In one embodiment, the display...
6873464 Multilayer mirror  
A multilayer mirror ( 1 ), in particular a multilayer dispersive mirror, comprising several individual layers ( 2, 3 ) of different properities applied to a substrate ( 4; 14 ) and following each...
6859320 Dispersion compensation using resonant cavities  
Multi-stage, all-pass optical filters used to make low-loss, multi-channel dispersion compensation modules are disclosed. The all-pass optical filters can be ring resonators in waveguides,...
6850366 Multi-cavity optical filter  
The invention provides a multi-cavity filter, and in particular, a multi-cavity bandpass filter having a predetermined centre wavelength. The filter includes a plurality of cavities, each cavity...
6850365 Optical multilayer structure and its production method, optical switching device, and image display  
Provided is an optical multilayer structure having a simpler configuration, flexibility in selection of materials and improved reliability in wiring and capable of high-speed response even in a...
6848797 Reflector with a resistant surface  
A reflector with high total reflection which is resistant to mechanical stresses. The reflector comprises a reflector body and superimposed thereon (a) a functional coating such as a varnish, (b) a...
6839176 Composition and method of making high-reflection silver mirrors or thin-film optical filters  
An environmentally stable Silver containing mirror or thin-film optical filter having very high reflection values over a large spectral and angular range, and a method for constructing the mirror,...
6839175 Image forming element and image forming device  
An image forming element is disclosed which is easy to manufacture, which can form images easily and at a low cost, and which is stable without fear of environmental problems arising at a time of...
6833176 Radiation curable microstructure-bearing articles  
Blends of monofunctional and multifunctional (meth)acrylate monomers, optionally in addition to oligomeric multifunctional (meth)acrylates), can be cured by ultraviolet radiation in contact with a...
6829053 Airgap type etalon and apparatus utilizing the same  
An airgap type etalon has a higher degree of design freedom of a wavelength-temperature characteristic so that such a wavelength-temperature characteristic can be freely adjusted. The airgap type...
Matches 51 - 100 out of 388 < 1 2 3 4 5 6 7 8 >