Class / Patent application number | Description | Number of patent applications / Date published |
359494010 | Depolarization | 8 |
20110310482 | DEPOLARIZING FILM - Directed to a film having a depolarizing function, in which anisotropic volumetric regions are dispersed in a translucent matrix. For the translucent matrix, a material capable of forming a film itself, a hard coating layer formed on a surface of the film or a layer of an adhesive can be employed. It is therefore possible to provide a film, having a depolarizing function, of a kind in which when the film of the present invention is mounted on a surface of a polarizing plate arranged on a surface of a liquid crystal display device or an organic electroluminescent display device, the polarized state of a display light emerging outwardly from a display screen is partially altered and, hence, even when polarizing eyeglasses are worn on, darkening of the displayed image can be prevented and, also, a considerable shading of the color tone of the image can be reduced. | 12-22-2011 |
20120268818 | DEPOLARIZER BASED ON A METAMATERIAL - The present disclosure relates to a depolarizer based on a metamaterial, which comprises a plurality of sheet layers parallel with each other. Each of the sheet layers has a sheet substrate and a plurality of man-made microstructures attached on the sheet substrate. The sheet substrate is divided into a plurality of identical unit bodies. Each of the unit bodies and one of the man-made microstructures that is attached thereon form a cell that has an anisotropic electromagnetic property. Each of the sheet layers has at least two cells whose optical axes are unparallel with each other. According to the depolarizer based on a metamaterial of the present disclosure, at least two cells whose optical axes are unparallel with each other are disposed in each of the metalmaterial sheet layers. | 10-25-2012 |
20130182324 | ADHESIVE LAYER FOR OPTICAL FILM, METHOD FOR PRODUCING SAME, OPTICAL FILM WITH ADHESIVE LAYER, AND IMAGE DISPLAY DEVICE - The pressure-sensitive adhesive layer for an optical film of the invention is formed by a process comprising applying a water-dispersible pressure-sensitive adhesive containing emulsion particles comprising polymer particles emulsified with a surfactant and then drying the applied water-dispersible pressure-sensitive adhesive, and is in such a state that the polymer particles have a number average particle size (a) of 10 nm to 100 nm and that the ratio (a/b) of the number average particle size (a) to the average distance (b) between adjacent polymer particles is from 80/20 to 99.9/0.1, when the pressure-sensitive adhesive layer being observed with a transmission electron microscope. The pressure-sensitive adhesive layer makes it possible to reduce depolarization even when it is used on a high-contrast polarizing plate or any other component having a high degree of polarization. | 07-18-2013 |
20130250416 | OPTICAL DEPOLARIZER - A polarized light beam having a coherence length L can be depolarized by splitting the beam into orthogonally polarized sub-beams and delaying one of the sub-beams relative to the other by a length larger than L. This spatial delay is created by splitting the beam in a walk-off crystal and disposing in the optical path of one of the sub-beams a slab of an optically dense material, while allowing the other sub-beam to propagate outside and near the slab. The sub-beams remain parallel to each other, allowing another walk-off crystal to be used to recombine the sub-beams. A dual-core fiber ferrule and a microlens array can be used to combine fiber-coupled output beams of two laser diodes in a single compact walk-off crystal. | 09-26-2013 |
20140016199 | OPTICAL DEPOLARIZER - Methods, systems, and apparatus, for optical depolarization. One optical depolarizer includes a light-combining module comprising a birefringent prism, wherein an optic axis of a first crystal of the birefringent prism forms a 90° angle with an optic axis of a second crystal of the birefringent prism; and a depolarization module, wherein the depolarization module is disposed at a light emitting end of the light-combining module, the depolarization module comprising a light splitting component and a light-combining component disposed at an emitting end of the light-splitting component, and a delayer disposed between the light-splitting component and the light-combining component, wherein the delayer is disposed on an emitting optical path of the light-splitting component. | 01-16-2014 |
20150015953 | SINGLE-PUMP MULTI-WAVELENGTH LASING SEMICONDUCTOR RAMAN PUMP LASER AND PUMP COMBINATION APPARATUS - A single-pump multi-wavelength lasing semiconductor Raman pump laser comprises a thermoelectric cooler arranged in a shell; a heat transition bearing platform arranged in the thermoelectric cooler; a semiconductor Raman pump laser tube core arranged on the heat transition bearing platform; and a coupling lens group , a thermistor and a backlight detector that are arranged on the heat transition bearing platform respectively. The pump laser tube core, the backlight detector, the thermistor and the thermoelectric cooler are electrically connected to pins outside a laser tube shell. A pump combination apparatus comprises a first signal transmission fiber, a pump signal combiner and a second signal transmission fiber that are sequentially connected to each other. An input terminal of the pump signal combiner is connected to an output terminal of an isolated polarization beam combiner and depolarizer. Two polarization maintaining fiber input terminals of the isolated polarization beam combiner and depolarizer are correspondingly connected to one single pump multi-wavelength lasing semiconductor Raman pump laser respectively. | 01-15-2015 |
20160077352 | DEPOLARIZERS AND METHODS OF MAKING THEREOF - A depolarizer, including: a photoalignment layer deposited on the substrate; and a birefringent layer deposited on the photoalignment layer; wherein the photoalignment layer includes a plurality of segments, each segment with a different fast axis orientation and a different pretilt angle, such that each segment of the birefringent layer over the corresponding segment of the photoalignment layer has a different fast axis angle and a different birefringent value. | 03-17-2016 |
20160195433 | OPTICAL DEVICE | 07-07-2016 |