Patent application number | Description | Published |
20090296214 | OPTICAL ELEMENT AND OPTICAL APPARATUS - An optical element including a first layer ( | 12-03-2009 |
20100067111 | OPTICAL ELEMENT AND OPTICAL APPARATUS - An optical element includes an optical anisotropic medium | 03-18-2010 |
20100188590 | LAMINATED THIN FILM, PHASE PLATE, AND REFLECTIVE LIQUID CRYSTAL DISPLAY APPARATUS - Provided is a phase plate having high phase compensation effect with low manufacturing cost, which is a device including a substrate and a thin film including laminated thin films of two or more types having different refractive indexes. The device performs phase compensation for an oblique incident polarized light ray, by using interference due to a high refractive index thin film and a low refractive index thin film. | 07-29-2010 |
20110025965 | PROJECTION IMAGE DISPLAY APPARATUS - A projection image display apparatus includes: light source; polarization/separation element having a polarization/separation plane through which one polarized light passes and which reflects the other orthogonal to the one; an image display element for modulating the incident light into image light and reflecting the image light; and a retardation plate disposed between the polarization/separation element and the image display element: the retardation plate has refractive indices different between two orthogonal directions in an optical surface thereof, and gives phase difference larger than λ/4 to polarized light entering the optical surface and having a wavelength λ; and supposing z axis be a normal to a light entering/exiting surface of the polarization/separation element, y axis be perpendicular to z axis and a normal to the polarization/separation plane, and x axis be perpendicular to z- and y-axes, the first retardation plate has optic axis within xz plane and tilted to x axis. | 02-03-2011 |
20120062847 | PHASE PLATE HAVING FINE PERIODIC STRUCTURE SMALLER THAN VISIBLE LIGHT WAVELENGTH AND PROJECTION IMAGE DISPLAY APPARATUS - A phase plate includes a transparent substrate and a periodic structure formed on a substrate surface of the transparent substrate. The phase plate is configured to provide light having a predetermined design wavelength that vertically enters the substrate surface with a phase difference from ¼ wavelength to ¾ wavelength. The periodic structure is configured to reduce a volume occupation rate with increasing distance from the transparent substrate, and the periodic structure has a height of at least 200 nm. An angle between a first direction in which a center of a width of a unit periodic structure at a position closest to the substrate surface is connected with a center of a width of a unit periodic structure at a position farthest from the substrate surface and a normal direction of the substrate surface is from 5 degrees to 30 degrees. | 03-15-2012 |
20120162609 | IMAGE DISPLAY APPARATUS CAPABLE OF DISPLAYING THREE-DIMENSIONAL IMAGE - An image display apparatus includes an image display element configured to modulate incident light from a light source, a polarization splitting element that has characteristics of transmitting first polarized light and reflecting second polarized light different from the first polarized light and that is configured to synthesize image light from the image display element to be introduced into a projection optical system, and a phase difference plate that is disposed at a side of the projection optical system relative to the polarization splitting element. The phase difference plate has an optic axis in a direction different from a surface normal direction and an in-plane direction of the phase difference plate. | 06-28-2012 |
20120257277 | OPTICAL ELEMENT AND OPTICAL APPARATUS - An optical element including a first layer ( | 10-11-2012 |
20120268719 | POLARIZING BEAM SPLITTER, POLARIZATION CONVERSION ELEMENT USING THE SAME, AND IMAGE PROJECTION APPARATUS - A polarizing beam splitter includes a medium and at least two thin-film layers having different refractive indices arranged in order from a light incidence side, and the medium and the thin-film layers satisfy a predetermined mathematical conditions. | 10-25-2012 |
20130063700 | PROJECTION-TYPE IMAGE DISPLAY APPARATUS - A projection-type image display apparatus includes a color separation element including a color separation surface, a light modulation element configured to receive the light divided by the color separation element, a polarizing beam splitter disposed between the color separation element and a projection optical system to separate a light path of a light modulated by the light modulation element according to a polarization direction and guide the resulting light to the projection optical system, and a phase difference plate disposed between the color separation element and the light modulation element. An optic axis of the phase difference plate and the normal of the color separation surface are substantially parallel or perpendicular to each other, in a cross section parallel to a normal of the color separation surface and a normal of the light modulation element. | 03-14-2013 |
20140092320 | PROJECTION DISPLAY APPARATUS - A projection display apparatus includes a polarization beam splitter, a first phase compensation plate including two layers, and a light modulator. Each layer has a constant axial angle, and an optical axis of each layer inclines with respect to the x axis in an xz plane. The axial angle of the layer closer to the polarization beam splitter among the two layers is larger than the axial angle of the layer farther from the polarization beam splitter. 20°≦θmax−θmin≦80° is satisfied where θmax is a maximum value of the axial angle and θmin is a minimum value of the axial angle. 40°≦θave≦70° is satisfied where θave is an average value of axial angles of the two layers. | 04-03-2014 |
20140192409 | ABSORPTIVE WIRE-GRID POLARIZER AND OPTICAL APPARATUS - The absorptive wire-grid polarizer includes a periodic structure formed on a substrate surface of a dielectric substrate and constituted by a metal and one or more dielectric materials. The periodic structure has a one-dimensional grating structure in which, in a sectional plane orthogonal to a normal to the substrate surface, grating portions of a metal grating formed of the metal and grating portions of dielectric gratings formed of the one or more dielectric materials are one-dimensionally arranged with a grating period P. The Conditions of n | 07-10-2014 |
Patent application number | Description | Published |
20110015324 | POLYAMIDE RESIN COMPOSITION FOR A FILM - In order to obtain a polyamide resin composition for a film, ensuring that various properties inherent in the film composed of a polyamide resin are maintained, the transparency, slipperiness and printability are excellent, the generation of rupture on stretching is reduced, and the continuous productivity is good, a polyamide resin composition for film, obtained by blending from 0.01 to 0.2 parts by mass of (A) an inorganic filler particle surface-treated with organopolysiloxane and from 0.003 to 0.1 parts by mass of (B) a magnesium salt of a hydroxy fatty acid, per 100 parts by mass of the polyamide resin is provided. | 01-20-2011 |
20120003361 | POLYAMIDE RESIN COMPOSITION, FILM COMPRISING THE SAME AND POLYAMIDE-BASED LAMINATE FILM - The invention relates to a polyamide composition for film, comprising a polyamide resin, a vinyl amide-based polymer and a crosslinked poly(N-vinyl lactam), and a film comprising the same. More specifically, the present invention relates to a polyamide resin composition for a film, ensuring that the film has a matte texture, good film appearance with very little yellow tint, large water vapor permeability and excellent smoking treatment effect and that problems such as clogging of a filter can be reduced and continuous productivity is excellent, and a film comprising the same. | 01-05-2012 |
Patent application number | Description | Published |
20090076182 | One-pack type dental adhesive composition - An object of the present invention is to provide a one-pack type dental adhesive composition which can exhibit excellent adhesion to any material, for example, dental ceramics, organic composites containing inorganic compounds, dental noble metals and dental non-noble metals, and also has excellent storage stability. | 03-19-2009 |
20100101453 | One-pack type dental adhesive composition - Disclosed is a one-pack type dental adhesive composition comprising:
| 04-29-2010 |
20110112209 | SINGLE-COMPONENT DENTAL COMPOSITION CONTAINING SILANE COUPLING AGENT AND ACIDIC GROUP-CONTAINING POLYMERIZABLE MONOMER - The present invention provides a one-component dental adhesive composition which can exhibit excellent adhesion to both materials of a dental ceramics and an organic composite containing an inorganic compound, and is excellent in can-stability. More particularly, the present invention provides a one-component dental adhesive composition comprising 1 to 60 parts by weight of (a) a silane coupling agent, 1.0 to 20.0 parts by weight based on 100 parts by weight of the (a) component of (b) an acidic group-containing polymerizable monomer, and 28 to 99 parts by weight of (c) a volatile organic solvent. | 05-12-2011 |
20140030199 | ARTIFICIAL NAIL COMPOSITION - An artificial nail composition having improved adhesion with natural nails (user's own nails) is provided. | 01-30-2014 |