Matches 1 - 37 out of 37


Match Document Document Title
US20050275944 Optical films and methods of making the same  
Films for optical use, articles containing such films, methods for making such films, and systems that utilize such films, are disclosed.
US20090273841 DIFFRACTIVE OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME  
A diffractive optical element includes at least a first diffractive element and a second diffractive element. The conditional expression 0.5≦D/DS≦0.9 is preferably satisfied where DS denotes the...
US20100020400 DIFFRACTIVE OPTICAL ELEMENT, METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT, AND LASER BEAM MACHINING METHOD  
A diffractive optical element includes: a substrate having a first face and a second face; a diffractive structure section that is formed on the first face of the substrate, shaped in a...
US20090141355 SECURITY DEVICE, REFLECTIVE LAYER THEREFOR, AND ASSOCIATED METHOD  
The present invention relates to a security device for resisting counterfeiting and verifying the authenticity of an article and, more particularly, to a nanoparticle containing coating...
US20050200957 Transmission type diffraction grating  
A transmission grating that provides low polarization dependent loss over a wide wave range and provides high diffraction efficiency even with a small groove pitch and high resolving power and...
US20110241051 Organic Electroluminescent Device  
An organic electroluminescent device comprising: a substrate; a first electrode disposed over the substrate for injecting charge of a first polarity; a second electrode disposed over the first...
US20160054489 OPTICAL FILM, OPTICAL FILM MANUFACTURING METHOD AND SURFACE LIGHT-EMITTING BODY  
This optical film includes a diffraction grating layer made of a transparent material, and a concavo convex surface structure layer made of a transparent material. The surface light-emitting body...
US20080106791 TRANSMISSION TYPE DIFFRACTION GRATING  
A transmission grating that provides low polarization dependent loss over a wide wave range and provides high diffraction efficiency even with a small groove pitch and high resolving power and...
US20110038390 MULTI-PLATE COMPOSITE VOLUME BRAGG GRATINGS, SYSTEMS AND METHODS OF USE THEREOF  
Variations of composite volume Bragg grating devices and methods for creating same are disclosed. Also, variations of chirped pulse amplification laser systems, and system portions, that make use...
US20110032618 LAMINATION OF OPTICAL SUBSTRATES  
A method is provided for laminating optical substrates and in particular for manufacturing a thin combiner for an optical display that preserves the flatness of the component parts and ensures an...
US20150192711 DIFFRACTIVE OPTICAL ELEMENT, PRODUCTION METHOD FOR THE DIFFRACTIVE OPTICAL ELEMENT, AND MOLD USED IN THE PRODUCTION METHOD FOR THE DIFFRACTIVE OPTICAL ELEMENT  
A diffractive optical element includes a base having, on a surface, a first region with a diffraction grating and a second region located on an outer side of the first region, and an optical...
US20110085232 MULTI-SPECTRAL FILTERS, MIRRORS AND ANTI-REFLECTIVE COATINGS WITH SUBWAVELENGTH PERIODIC FEATURES FOR OPTICAL DEVICES  
Example apparatus have a radiation-receiving surface configured to receive electromagnetic radiation, including a sub-wavelength grating supported by a substrate. The sub-wavelength grating has a...
US20110128600 OPTICAL SECURITY ELEMENT  
The invention concerns an optical security element and a process for the production of an optical security element in the form of a multilayer body having a projection element (8) in a first...
US20100091369 DOUBLE-LAYER GRATING  
A double-layer grating structure for efficient retroreflection of incident radiation and efficient transmission of the undiffracted incident radiation is disclosed. The grating is constructed of...
US20170183438 RESIN PRECURSOR COMPOSITION FOR OPTICAL MATERIALS, OPTICAL ELEMENT OBTAINED FROM THE COMPOSITION, AND DIFFRACTIVE OPTICAL ELEMENT CONFIGURED USING THE OPTICAL ELEMENT  
Low refractive index and high dispersion material which can produce a bonded-multilayer DOE having an excellent optical performance is obtained, and the optical member using this is obtained. The...
US20100182698 Security Documents with Personalised Images and Methods of Manufacture  
A method of producing a personalized security document or article includes providing a substrate which is transparent at least to visible light. A diffractive optical microstructure is formed in a...
US20110090566 OPTICAL MATERIAL AND MULTILAYER DIFFRACTIVE OPTICAL ELEMENT FORMED WITH SAME  
An optical material includes a cured product of a resin composition at least containing indium tin oxide (ITO) fine particles and an optical resin and provides a minimum refractive index (which is...
US20150369977 OPTICAL ELEMENT, SPECTROSCOPIC APPARATUS, AND METHOD FOR MANUFACTURING THE SAME  
An optical element formed of a plurality of materials includes a middle layer between a base material and a reflecting member so as to suppress stripping, cracking and the like of the optical...
US20140126061 OPTICAL ELEMENT AND PRODUCTION OF SAME  
An optical element includes a structured carrier layer having a macrostructure at a main surface and a layer of cured material. The layer of cured material includes an optically smooth surface...
US20080259458 EUV diffractive optical element for semiconductor wafer lithography and method for making same  
According to one exemplary embodiment, an EUV (extreme ultraviolet) optical element in a light path between an EUV light source and a semiconductor wafer includes a reflective film having a number...
US20070279746 Head-height holographic projection device for motor vehicle  
Head-height projection device for motor vehicles, including a projection unit which projects towards a holographic mirror images relating to operational data of the vehicle or driving data, the...
US20110273775 DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL DEVICE  
A diffractive optical element includes a first optical member including a first diffraction grating; and a second optical member including a second diffraction grating and arranged so that the...
US20100134889 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM AND OPTICAL APPARATUS  
The diffractive optical element is constituted by a glass material and a resin material whose dn/dT representing refractive index variation with temperature is larger than that of the glass...
US20120268821 PRODUCTION METHOD FOR COMPOSITE TYPE DIFFRACTIVE OPTICAL ELEMENT, AND COMPOSITE TYPE DIFFRACTIVE OPTICAL ELEMENT  
A composite type diffractive optical element having a resin layer laminated on a transparent substrate is molded. Then, cooling of an unmolded surface of the transparent substrate is started using...
US20110317268 ZERO-ORDER DIFFRACTIVE PIGMENTS  
The present invention relates to pigments comprising or consisting of a layer made of a material with an index of refraction that is higher than the index of refraction of the adjacent material by...
US20120087008 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element includes first and second diffraction gratings. A grating wall surface of the second diffractive grating is located on a surface extending a grating wall surface of...
US20140139923 DIFFRACTION OPTICAL ELEMENT AND MANUFACTURING METHOD THEREFOR  
A diffractive optical element disclosed in the present application includes: a base which is made of a first optical material containing a first resin and which has a diffraction grating in its...
US20140321495 INTEGRATED SUB-WAVELENGTH GRATING ELEMENT  
An integrated sub-wavelength grating element includes a transparent layer formed over an optoelectronic substrate layer and a sub-wavelength grating element formed into a grating layer disposed on...
US20120327514 DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME  
A diffractive optical element includes a first optical member, a second optical member, and a third optical member stacked on each other in this order. A diffractive surface including a plurality...
US20170059873 LIGHTING APPARATUS WITH CORRESPONDING DIFFRACTIVE OPTICAL ELEMENT  
A lighting apparatus includes a laser source module and a diffractive optical module. The laser source module emits a laser beam. When the laser beam is operated in a transverse mode or a...
US20140211314 EFFICIENCY OF A DEEP GRATING  
Several techniques are provided to reduce the spurious reflection generated at the exit surface of a transmission grating. In one embodiment the exit surface of the grating is not parallel with...
US20110075260 GRATING DEVICE AND METHOD OF FABRICATING THE SAME  
In a grating device (1), a plurality of projections (3) that extend in a predetermined direction and projections (4) that extend in a direction substantially perpendicular to the predetermined...
US20100208346 Multilayer Dielectric Transmission Gratings Having Maximal Transmitted Diffraction Efficiency  
A multilayer dielectric transmission grating is made by coating a substrate with an antireflective (AR) coating and placing a dielectric grating on the AR coating. This grating is designed to...
US20140347734 LIGHT EXTRACTION SUBSTRATE OF ORGANIC EL LIGHTING  
A first layer which has a surface including a diffraction grating part having a plurality of fine concavities and convexities and a second layer which is embedded in the diffraction grating part...
US20110304915 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element includes a first diffraction grating and a second diffraction grating, and a thin film which is arranged at least part of an interface between the first diffraction...
US20110181928 DURABLE WASHABLE LABEL HAVING A VISIBLE DIFFRACTION GRATING PATTERN  
This invention provides an improved and novel thin and pliable holographic fabric label that possesses durability, high intensity of holographic diffraction, laundering resistance, minimal...
US20080204880 Diffractive Optical Structure with a Liquid Interface  
An optical system comprising a diffraction element (2) formed of a substantially rigid first material having a first refractive index. The diffraction element has a first plurality of grooves (4)...

Matches 1 - 37 out of 37