Patent application number | Description | Published |
20080265149 | Optical Device, Method for Producing Master for Use in Producing Optical Device, and Photoelectric Conversion Apparatus - In an optical device, a number of structures having higher portions or lower portions are arranged at a fine pitch equal to or shorter than a wavelength of visible light on a surface of a base. Each of the structures is arranged to form a plurality of arc track rows on the surface of the base, and to form a quasi-hexagonal lattice pattern, and the structure has an elliptical cone or truncated elliptical cone shape having a major axis in a circumferential direction of the arc tracks. | 10-30-2008 |
20080304155 | OPTICAL ELEMENT, METHOD FOR PRODUCING SAME, REPLICA SUBSTRATE CONFIGURED TO FORM OPTICAL ELEMENT, AND METHOD FOR PRODUCING REPLICA SUBSTRATE - An optical element includes a base and many structures arranged at a fine pitch on a surface of the base, each of the structures being in the form of a projection or a depression, in which the structures constitute a plurality of arc tracks, and the structures in every three adjacent rows of the arc tracks are arranged in a tetragonal lattice pattern or a quasi-tetragonal lattice pattern. | 12-11-2008 |
20080310294 | Recording method, master for optical disk, and optical recording medium - A recording method whereby an inorganic resist made of an incomplete oxide of a transition metal is formed as a film onto a substrate and a latent image corresponding to pits is formed onto the inorganic resist by exposure. The exposure is performed by a laser beam whose intensity has been modulated by a pulse signal whose pulse height decreases in a rear portion in a length direction of the pit, thereby forming a format of a track pitch smaller than a recording beam diameter (track pitch/exposure beam diameter=0.333 to 0.833). | 12-18-2008 |
20090129252 | RECORD MEDIUM, ITS MANUFACTURING METHOD, MOTHER DISC FOR RECORD MEDIUM, AND ITS MANUFACTURING METHOD - Binary information previously recorded in an innermost rim side area is enabled to be stably reproduced. A record medium is formed by sequentially laminating a first information layer | 05-21-2009 |
20090129255 | RECORDING METHOD, MASTER FOR OPTICAL DISK, AND OPTICAL RECORDING MEDIUM - A recording method whereby an inorganic resist made of an incomplete oxide of a transition metal is formed as a film onto a substrate and a latent image corresponding to pits is formed onto the inorganic resist by exposure. The exposure is performed by a laser beam whose intensity has been modulated by a pulse signal whose pulse height decreases in a rear portion in a length direction of the pit, thereby forming a format of a track pitch smaller than a recording beam diameter(track pitch/exposure beam diameter=0.333 to 0.833). | 05-21-2009 |
20090135491 | OPTICAL ELEMENT AND METHOD FOR MANUFACTURING MASTER FOR PRODUCING OPTICAL ELEMENT - An optical element has a plurality of structures including convex portions or concave portions arranged on a base member surface, wherein the arrangement pitch of the structures is 380 nm to 680 nm and the aspect ratio of the structure is 0.62 to 1.09. | 05-28-2009 |
20100118404 | ANTIREFLECTION OPTICAL DEVICE AND METHOD OF MANUFACTURING MASTER - An optical device is provided including plural structures formed of a convex portion or a concave portion are arranged on the surface of a base member with a fine pitch equal to or less than the wavelength of visible light. The structures are arranged on the surface of the base member to form plural lines of tracks and form a hexagonal lattice pattern or a quasi-hexagonal lattice pattern. Each structure has an elliptical cone shape or a truncated elliptical cone shape of which the long-axis direction is parallel to the track extending direction. | 05-13-2010 |
20110051249 | OPTICAL DEVICE, MANUFACTURING METHOD THEREOF, AND METHOD OF MANUFACTURING MASTER - An optical device that has an antireflection function includes: a base; and a plurality of structural bodies, which are formed by convex portions or concave portions, arranged on a surface of the base with a fine pitch that is equal to or smaller than a wavelength of visible light. The plurality of structural bodies are arranged so as to form tracks of a plurality of rows on the surface of the base and form a quasi-hexagonal lattice pattern, a tetragonal lattice pattern, or a quasi-tetragonal lattice pattern, and a packing ratio of the structural bodies to the surface of the base is equal to or higher than 65%. | 03-03-2011 |
20110051251 | OPTICAL ELEMENT AND METHOD FOR PRODUCING THE SAME - An optical element having an anti-reflection function includes a base having a first main surface and a second main surface; a plurality of structures composed of projections or recesses and arranged on the first main surface at a fine pitch equal to or less than the wavelength of visible light for which the amount of reflection is to be reduced; and a light-absorbing layer that absorbs the light and that is disposed on the second main surface, wherein the structures are arranged so as to form a plurality of rows of tracks on the first main surface and form a hexagonal lattice pattern, a quasi-hexagonal lattice pattern, a tetragonal lattice pattern, or a quasi-tetragonal lattice pattern, and the structures each have an elliptical cone shape or a truncated elliptical cone shape, the major axis direction of which is a direction in which the tracks extend. | 03-03-2011 |
20110102900 | OPTICAL ELEMENT - An optical element includes a base, and primary structures and secondary structures disposed on a surface of the base, each of the primary structures and secondary structures being a projection or a depression. The primary structures constitute a plurality of rows of tracks on the surface of the base and are periodically repeatedly arranged at a fine pitch equal to or smaller than a wavelength of visible light. The secondary structures are smaller in size than the primary structures, and are provided between the primary structures, in the gaps in the arrangement of the primary structures, or on the surfaces of the primary structures. | 05-05-2011 |
20110235181 | OPTICAL FILM, ANTIREFLECTION OPTICAL ELEMENT AND MASTER - An optical element includes a base and a large number of structures arranged on the surface of the base, the structures being projections or depressions. The structures are arranged at a pitch shorter than or equal to a wavelength of light in a use environment. An effective refractive index in the depth direction of the structures gradually increases toward the base and has two or more inflection points. | 09-29-2011 |
20110249338 | MICROFABRICATED MEMBER AND METHOD FOR MANUFACTURING THE SAME, AND ETCHING APPARATUS - A method for manufacturing a microfabricated member includes the steps of forming an inorganic resist layer on a stamper having a curved surface, exposing and developing the inorganic resist layer formed on the stamper, so as to form a pattern on the inorganic resist layer, and placing the stamper, which is provided with the pattern on the inorganic resist layer, on an electrode having a curved surface nearly identical or analogous to the curved surface of the stamper and etching the stamper to form an uneven shape on the stamper surface, so as to produce a microfabricated member. | 10-13-2011 |
20110310489 | CONDUCTIVE OPTICAL ELEMENT, TOUCH PANEL, AND LIQUID CRYSTAL DISPLAY APPARATUS - In one example, a conductive optical element is capable of achieving a wide range of surface resistance, and capable of achieving an excellent transmission property. In one example, the conductive optical element includes a substrate having a surface, a number of structures arranged on the surface of the substrate at fine pitches equal to or smaller than a wavelength of a visible light, and a transparent conductive film formed on the structure. In one example, the transparent conductive film has a shape modeled on shapes of the structures. In one example, an aspect ratio of the structures is 0.2 or more and 1.28 or less, and a film thickness of the transparent conductive film is 9 nm or more and 50 nm or less. | 12-22-2011 |
20120026591 | OPTICAL ELEMENT, DISPLAY DEVICE, AND ANTI-REFLECTIVE OPTICAL COMPONENT, AND MASTER - In one example embodiment, an optical element includes a base and a large number of structures arranged on a surface of the base. In one example embodiment, the structures are depressions or projections with a conical form. In one example embodiment, the structures are arranged at a pitch shorter than or equal to a wavelength range of light in a use environment and lower portions of the structures adjacent to one another are connected to one another. In one example embodiment, an effective refractive index in a depth direction of the structures gradually increases toward the base and draws an S-shaped curved line. | 02-02-2012 |
20120097434 | ELECTROCONDUCTIVE ELEMENT, ELECTROCONDUCTIVE ELEMENT MANUFACTURING METHOD, WIRING ELEMENT, INFORMATION INPUT DEVICE, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - An electroconductive element includes a substrate having a first wavy surface and a second wavy surface, and an electroconductive layer formed on the first wavy surface, wherein the electroconductive layer forms an electroconductive pattern, and the first wavy surface and the second wavy surface satisfy the following relationship: 0≦(Am1/λm1)<(Am2/λm2)≦1.8. Am1 is a mean amplitude of vibrations of the first wavy surface, Am | 04-26-2012 |
20120100346 | TRANSPARENT CONDUCTIVE ELEMENT, INFORMATION INPUT APPARATUS, AND DISPLAY APPARATUS - A transparent conductive element is provided and includes a conductive layer having a first surface and a second surface and a medium layer formed on at least one of the first surface and the second surface. In the transparent conductive element, at least one of the first surface and the second surface is a wave surface with a wavelength shorter than or equal to that of visible light; the ratio (Am/λm) of a mean peak-to-peak amplitude Am to a mean wavelength λm of the wave surface is 1.8 or less. The mean thickness Dm of the conductive layer is larger than the mean peak-to-peak amplitude Am of the wave surface. | 04-26-2012 |
20120147472 | CONDUCTIVE OPTICAL DEVICE, PRODUCTION METHOD THEREFOR, TOUCH PANEL DEVICE, DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY APPARATUS - A conductive optical device includes a base member and a transparent conductive film formed on the base member. A surface structure of the transparent conductive film includes a plurality of convex portions having antireflective properties and arranged at a pitch equal to or smaller than a wavelength of visible light. | 06-14-2012 |
20120160560 | ELECTRICALLY CONDUCTIVE OPTICAL ELEMENT, TOUCH PANEL, INFORMATION INPUT DEVICE, DISPLAY DEVICE, SOLAR CELL, AND STAMPER FOR PRODUCING ELECTRICALLY CONDUCTIVE OPTICAL ELEMENT - An electrically conductive optical element is provided with a substrate having a surface, structures which are convex portions or concave portions in the shape of a cone and which are arranged in large numbers on the surface of the substrate with a minute pitch less than or equal to the wavelength of the visible light, and a transparent, electrically conductive layer disposed on the structures. The aspect ratio of the structure is 0.2 or more, and 1.3 or less, the transparent, electrically conductive layer has a surface following the structures, the average layer thickness D | 06-28-2012 |
20120243097 | OPTICAL ELEMENT, OPTICAL SYSTEM, IMAGING APPARATUS, OPTICAL INSTRUMENT, AND STAMPER - An optical system includes an optical element that has a surface on which a plurality of sub-wavelength structure bodies are formed; and an imaging device that has an imaging region which senses light via the optical element, wherein the surface of the optical element has one or two or more sections that scatter incident light and generate scattered light, and wherein a sum total of components of the scattered light reaching the imaging region is smaller than a sum total of components thereof reaching regions other than the imaging region. | 09-27-2012 |
20130308435 | OPTICAL INFORMATION RECORDING MEDIUM, AND METHOD OF MANUFACTURING THE SAME - An optical information recording medium has: a substrate; one, two or more information signal layers which is formed on the substrate; and a protective layer which is formed on the one, two or more information signal layers. The surface of the protective layer is a reading surface on which light for recording or playing back an information signal in the information signal layer is radiated, and, in the reading surface, a plurality of subwavelength structures is formed. | 11-21-2013 |
20140036371 | OPTICAL DEVICE, MANUFACTURING METHOD THEREOF, AND METHOD OF MANUFACTURING MASTER - An optical device that has an antireflection function, the optical device including: a base; and a plurality of structural bodies, which are formed by convex portions or concave portions, arranged on a surface of the base with a fine pitch that is equal to or smaller than a wavelength of visible light, wherein the plurality of structural bodies are arranged so as to form tracks of a plurality of rows on the surface of the base and form a quasi-hexagonal lattice pattern, a tetragonal lattice pattern, or a quasi-tetragonal lattice pattern, and wherein a packing ratio of the structural bodies to the surface of the base is equal to or higher than 65%. | 02-06-2014 |