NALUX CO., LTD.
|NALUX CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20130258489||SCANNER LENS AND METHOD FOR PRODUCING THE SAME - The method includes the steps of: obtaining lateral magnification of an optical scanning system; obtaining the maximum value of thickness in the optical axis direction of an scanner lens; obtaining allowance b on one side and beam diameter a in the vertical scanning direction in the lens; and obtaining width h in the vertical scanning direction of the lens by the following expression||10-03-2013|
|20130176615||MULTI-LAYERED OPTICAL FILM AND METHOD FOR PRODUCING THE SAME - A multi-layered optical film formed on a plastic substrate, which has high resistance against lights in the ultraviolet region including blue lasers in a high ambient temperature is disclosed. Each layer of the multi-layered optical film is made of an oxide or an oxynitride, layers adjacent to each other are made of materials having different refractive indexes, oxidation-reduction potential of elements constituting oxides or oxynitrides is −0.9 volts or less, thickness of a first layer adjacent to the substrate is 10 nanometers or more, an absolute value of a difference in refractive index between a material of the substrate and a material of the first layer is 0.2 or less, an absolute value of a difference in refractive index between two kinds of materials of layers adjacent to each other is 0.45 or less and total thickness of the multi-layered optical film is 3000 nanometers or less.||07-11-2013|
|20130063952||OPTICAL ELEMENT AND ILLUMINATION DEVICE USING THE SAME - An illumination device for planar light sources gives uniform illumination on an illuminated plane. A of lengthwise direction and length of breadthwise direction are different from each other. The illumination device includes a planar light source and an optical element including a light receiving surface for receiving light form the planar light source and a light exiting surface. A shape of the planar light source is symmetric with respect to x-axis and y-axis and a length of the shape in x-axis direction is shorter than length of the shape in y-axis direction; the center of the planar light source is set as the origin and two axes orthogonal to each other are selected as x-axis and y-axis. Assuming that the maximum value of x-coordinate of the planar light source is a and the maximum value of y-coordinate of the planar light source is b, the following relationships hold:||03-14-2013|
|20130045378||THIN-FILM TYPE LIGHT-ABSORBING FILM - Disclosed is a thin-film type light-absorbing film including multiple layers formed on a substrate. The multiple layers include: an iron oxide layer including triiron tetraoxide; and a dielectric layer including dielectric substance, wherein thickness of the iron oxide layer is 40 nanometers or more and the iron oxide layer and the dielectric layer form an anti-reflecting layer.||02-21-2013|
|20120230038||LENS, MOLD FOR LENS AND METHOD FOR MACHINING MOLD - A lens used for a line generating optical system is provided, wherein X-axis is defined in longitudinal direction of the generated line, Y-axis is defined in width direction and Z-axis is defined in direction of the optical axis and wherein the lens has an optical surface which does not collimate the light in X-axis direction and which collimates or collects the light in Y-axis direction alone, inclination of direction of transferred tool mark with respect to X-axis being from 40 to 50 degrees in an area of 80% or more of the optical surface.||09-13-2012|
|20120019904||FILTER FOR LIGHT RECEIVING ELEMENT, AND LIGHT RECEIVING DEVICE - Disclosed is a filter for a light receiving element, which can sufficiently eliminate disturbance due to sunlight and the like out of doors. A filter for a light receiving element according to one embodiment of the present invention is used for a light receiving element which receives signal light having a known spectral distribution. The filter for a light receiving element according to one embodiment of the present invention is configured so that when the energy density of the ambient light in the light receiving element is represented by N||01-26-2012|
|20110157898||ILLUMINATING DEVICE - An illuminating device includes a light source (||06-30-2011|
|20110002042||LINE GENERATOR - A line generator according to the present invention includes a light source, a first lens group, and a second lens group. An optical axis is set to a position of a light beam which travels orthogonal to incidence surfaces of both the first and second lens groups and the first lens group is configured such that light beams from the light source are not collimated in a first direction in a plane orthogonal to the optical axis and are collimated or focused only in a second direction orthogonal to the first direction in the plane orthogonal to the optical axis and the second lens group is configured such that the light beams which have passed through the first group form a line.||01-06-2011|
|20100271691||IMAGING OPTICAL SYSTEM AND RANGE FINDER - An imaging optical system includes three reflecting mirrors having first to third reflection surfaces and is configured, such that in an XYZ orthogonal coordinate system using an optical axis at the center of the field of view as Z-axis, the optical axis at the center of the field of view and an optical axis of an image plane are in parallel to each other by changing orientation of the optical axis in a YZ section while maintaining the orientation of the optical axis in an XZ section. At least one of the three reflection surfaces is rotationally asymmetric. Assuming that along the path of the beam traveling along the optical axis at the center of the field of view a distance between the second reflection surface and the third reflection surface is L||10-28-2010|
|20100172024||IMAGE FORMING OPTICAL SYSTEM - To provide a compact image forming optical system in which an incident angle to an imaging plane of a solid-state imaging device is small and whose chromatic aberration, astigmatism, field curvature, and distortion are reduced. An image forming optical system of a first embodiment of the present invention comprises four lenses arranged from the object side to the imaging plane side in order, that are a first lens that is a double-convex lens, a second lens that is a double-concave lens, a third lens that is a positive meniscus lens that is convex toward an image side, and a fourth lens that is a negative meniscus lens that is convex toward an object side. An aperture is placed closer to the object than the image side surface of the first lens. The image forming optical system of the first embodiment of the present invention satisfies the following equations, where f||07-08-2010|
|20090127478||Infrared Source and Method of Manufacturing the Same - There is provided an infrared light source that has a simple structure and radiates infrared rays polarized in a specific direction and having a specific wavelength. The infrared light source (||05-21-2009|
|20090034079||Fine grating and mold therefore - This invention provides a mold with which a two-dimensional subwavelength grating can be produced with a higher percentage transfer by injection molding and a two-dimensional subwavelength grating having a high aspect ratio produced with such a mold. The mold for a fine grating according to the present invention has protrusion parts (||02-05-2009|
Patent applications by NALUX CO., LTD.