Patent application number | Description | Published |
20090316264 | POLYVINYL ALCOHOL-BASED FILM FOR OPTICAL USE, POLARIZING FILM, AND POLARIZING PLATE - The present invention provides a polyvinyl alcohol-based film for optical uses, which is excellent in stretching property and is used for producing a polarizing film excellent in polarization performance throughout the visible light wavelength range, particularly in the vicinity of the wavelength of 460 nm. The invention relates to a polyvinyl alcohol-based film for optical uses comprising a polyvinyl alcohol-based resin, wherein the polyvinyl alcohol-based resin is composed of only a polyvinyl alcohol-based resin (A) containing a 1,2-glycol bond at a side chain and the amount of the 1,2-glycol bond at a side chain is from 0.01 to 6% by mol, or a polyvinyl alcohol-based film for optical uses comprising a polyvinyl alcohol-based resin, wherein the polyvinyl alcohol-based resin includes a polyvinyl alcohol-based resin (A) containing a 1,2-glycol bond at a side chain and a polyvinyl alcohol-based resin (B) other than the polyvinyl alcohol-based resin (A) and satisfies the following expression (1): | 12-24-2009 |
20090320910 | TRANSPARENT ELECTRODE SUBSTRATE FOR SOLAR CELL - It relates to a transparent electrode substrate for a solar cell comprising a resin film [I] | 12-31-2009 |
20130249059 | COATING LIQUID FOR IMPURITY DIFFUSION - Disclosed is a coating liquid for impurity diffusion comprising: (A) a polyvinyl alcohol resin having a 1,2-diol structural unit represented by the following general formula (1): | 09-26-2013 |
Patent application number | Description | Published |
20090243640 | CONDUCTIVE CONTACT PIN AND SEMICONDUCTOR TESTING EQUIPMENT - In a conductive contact pin brought into contact with the external electrode of a semiconductor device to conduct a test on the electrical characteristics of the semiconductor device, an upper plunger | 10-01-2009 |
20090278559 | Inspection device and inspection method - A first conductive contact connecting a first electrode of an inspection circuit board and one external electrode of a semiconductor integrated circuit is arranged in a fixed member. A second conductive contact connecting a second electrode of a wiring board and the other external electrode of the semiconductor integrated circuit is arranged in a movable member. A third conductive contact connecting one third electrode of the inspection circuit board and the other third electrode of the wiring board is arranged in the movable member. The other third electrode is connected to the second electrode. When the movable member moves to the contacting position, the second conductive contact makes contact with the other external electrode, and the third conductive contact makes contact with the one third electrode. | 11-12-2009 |
20110298487 | SEMICONDUCTOR TESTING APPARATUS AND TESTING METHOD - An apparatus for testing electric characteristics of a semiconductor device having a plurality of hemispherical electrode terminals on one surface thereof, including: a support plate vertically movably supported by an elastic member, supporting a side of the one surface of the semiconductor device, and having through holes for accommodating the hemispherical electrode terminals; a probe pin securing block placed under the support plate; a plurality of probe pins secured to the probe pin securing block and having concave-shaped tips facing the hemispherical electrode terminals of the semiconductor device supported by the support plate; and a vertically movable pressing head placed over the support plate for applying a downward pressure on the support plate, wherein after the support plate is lowered by a predetermined amount by the downward pressure from the pressing head, the pressing head contacts the semiconductor device and applies a downward pressure thereon. | 12-08-2011 |
Patent application number | Description | Published |
20090231696 | SCREEN AND PROJECTOR - A screen includes a plurality of structures arrayed in parallel in at least one direction of a first direction and a second direction perpendicular to the first direction on a reference surface parallel to the first direction and the second direction. The structures are arrayed such that at least one of a distance between central positions of the structures adjacent to each other and a size of the structure changes irregularly in at least one direction, in which the structures are arrayed in parallel, of the first and second directions. | 09-17-2009 |
20100092734 | SCREEN - A screen includes a plurality of concave recesses arranged on a flat surface, wherein the recesses are arranged in such a way that the spacing between adjacent ones of the recesses in the radial direction from a reference point located in the flat surface or a plane extended from the flat surface increase with distance from the reference point. | 04-15-2010 |
20100157424 | SCREEN - A screen that reflects light from a projection apparatus to present a projected image includes: a screen substrate; and a plurality of spherical microlenses disposed on the front side of the screen substrate, wherein the microlenses are arranged along a predetermined first direction on the screen substrate to form lens rows, and adjacent microlenses in each of the lens rows have different radii of curvature. | 06-24-2010 |
20110069385 | SCREEN - A screen includes: a screen substrate; a first area disposed on the screen substrate and containing a first main line which has a plurality of first concaves for reflecting light and a first supplementary line which is disposed on the screen substrate at a position adjacent to the first main line and has the same number of second concaves as that of the first concaves formed adjacent to the second concaves, the first main line and the first supplementary line being alternately and repeatedly arranged; and a second area disposed on the screen substrate in a region where an angle of incidence of projection light with respect to the screen substrate becomes larger than in the first area and containing a second main line which has a plurality of third concaves for reflecting light and a second supplementary line which is disposed on the screen substrate at a position adjacent to the second main line and has a larger number of fourth concaves as that of the third concaves formed adjacent to the fourth concaves, the second main line and the second supplementary line being alternately and repeatedly arranged. | 03-24-2011 |
20110188114 | SCREEN AND PROJECTOR - A screen includes a plurality of structures arrayed in parallel in at least one direction of a first direction and a second direction perpendicular to the first direction on a reference surface parallel to the first direction and the second direction. The structures are arrayed such that at least one of a distance between central positions of the structures adjacent to each other and a size of the structure changes irregularly in at least one direction, in which the structures are arrayed in parallel, of the first and second directions. | 08-04-2011 |
20110194178 | REFLECTIVE SCREEN - A reflective screen comprising: a projection surface on which an image light is projected, a plurality of unit structures provided on the projection surface, one of the plurality of unit structures being formed of a concavely curved surface or a convexly curved surface, a first reflection portion that reflects the image light incident thereon toward a preset field of view, the first reflection portion being provided on the concavely curved surface or on the convexly curved surface and a second reflection portion that reflects at least a part of the image light incident thereon toward a region outside the preset field of view, the second reflection portion being provided on the concavely curved surface or on the convexly curved surface. | 08-11-2011 |
20110222150 | SCREEN UNIT - A screen unit includes: a rectangular screen; fixing assist members provided on the screen along two opposed sides of the screen; first supporting units fixed to two sides of the screen different from the two opposed sides along which the fixing assist members are provided; second supporting units fixed to the screen via the fixing assist members; a first tensioning unit which applies tension in the direction of separating the first supporting units away from each other; and a second tensioning unit which applies tension in the direction of separating the second supporting units away from each other. | 09-15-2011 |
20120229895 | SCREEN - A screen on which an image according to light incident thereon is displayed includes a plurality of lens trains on a light-exiting surface from which the light exits, and the plurality of lens trains are provided along a plurality of virtual reference lines extending in respective predetermined directions. Each of the lens trains is formed of a plurality of lens elements from which the light exits. At least some of the plurality of lens elements that form any of the lens trains are so disposed that the lens elements are shifted from the reference line along which the lens train extends. The screen can suppress degradation of a displayed image. | 09-13-2012 |
20130003174 | SCREEN - A screen allows an image according to light incident in an oblique direction from a predetermined light exiting position to be displayed. The screen includes a screen body having a reflection surface with a plurality of lens elements formed thereon, each of the lens elements reflecting the light incident thereon, a first layer (substrate) disposed on the side of the reflection surface on which the light is incident, and a second layer (air layer) interposed between the screen body and the first layer. The first layer has a refractive index greater than the refractive index of the second layer. The first layer has an angle changing portion formed in at least part of a region through which the light incident thereon passes, the angle changing portion so formed that the thickness thereof continuously increases with distance from the light exiting position. | 01-03-2013 |
Patent application number | Description | Published |
20140104702 | IMAGING LENS AND IMAGING APPARATUS - An imaging lens substantially consists of five lenses of a first lens having a meniscus shape with its convex surface facing an object side and negative refractive power, a second lens having negative refractive power, and the image-side surface of which has a convex shape facing an image side in the vicinity of an optical axis, a third lens having positive refractive power, a stop, a fourth lens having positive refractive power, and a fifth lens having negative refractive power. At least one of the surfaces of the first lens through the fifth lens is aspherical. A predetermined conditional formula about a distance on the optical axis from an object-side surface of the first lens to an image plane and a distance on the optical axis from the object-side surface of the first lens to the image-side surface of the second lens is satisfied. | 04-17-2014 |
20140204477 | IMAGING LENS AND IMAGING APPARATUS - An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. An object-side surface of the second lens is concave, and an object-side surface of the third lens is concave. A predetermined conditional formula about a combined focal length of the fourth lens and the fifth lens is satisfied. | 07-24-2014 |
20140204478 | IMAGING LENS AND IMAGING APPARATUS - An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: | 07-24-2014 |
20140204479 | IMAGING LENS AND IMAGING APPARATUS - An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. An object-side surface of the second lens has a shape having negative refractive power at a center, and including a part having positive refractive power in an area between the center and an effective diameter edge, and having negative refractive power at the effective diameter edge (concave shape facing the object side), and the refractive power at the effective diameter edge being weaker than the refractive power at the center. Further, an object-side surface of the third lens is convex toward the object side. Further, a predetermined conditional formula about a combined focal length of the first lens, the second lens and the third lens is satisfied. | 07-24-2014 |