| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 313112000 | Polarizer or special ray transmission (e.g., filter) | 43 |
| 20080211371 | Light-Transmitting Electromagnetic Wave Shielding Film And Process For Producing The Same - A light-transmitting electromagnetic wave shielding film which is a conductive silver thin film with a metallic silver portion formed on a support in a meshy state, wherein the metallic silver portion formed in the meshy state has a line width of 18 μm or less, an opening rate of 85% or more, an Ag content of 80 to 100% by mass and a surface resistance value of 5 Ω/sq or less. This light-transmitting electromagnetic wave shielding film has characteristic features that it has a high electromagnetic wave shielding property and a high transparency at the same time and the meshy portion is black. | 09-04-2008 |
| 20080272682 | Wavelength filtering high temperature nanostructure - The invention relates to a discharge lamp having a thin film indium oxide coating on the interior lamp envelope surface that effectively reflects UV, near IR and microwave radiation while transmitting light in the visible spectrum, the lamp being a high temperature operating lamp. | 11-06-2008 |
| 20080278052 | Filter and display apparatus having the same - A filter that has an excellent light room contrast, reduced double image formation, reduced external light reflection, lightweight, slim, inexpensive to produce, and a display apparatus having the filter. The filter made out of one sheet includes a reflection preventing layer arranged as the outermost layer of the filter, an electromagnetic wave shielding layer arranged on a rear surface of the reflection preventing layer and a base film arranged on a rear surface of the electromagnetic wave shielding layer. | 11-13-2008 |
| 20080297021 | FILM-TYPE FILTER, PLASMA DISPLAY APPARATUS COMPRISING THE FILM-TYPE FILTER, AND METHOD OF MANUFACTURING THE PLASMA DISPLAY APPARATUS - A film-type filter, a plasma display apparatus comprising the film-type filter, and a method of manufacturing the plasma display apparatus. The film-type filter includes: a base film, an external light reflection reduction layer disposed on a first side of the base film, and an electromagnetic wave shielding layer disposed on an opposing second side of the base film, which comprises an electromagnetic wave shielding unit and a grounding unit surrounding the electromagnetic wave shielding unit. At least a portion of the grounding unit is exposed, and extends around side surfaces of the external light reflection reduction layer and the base film. Portions of the external light reflection reduction layer and the base film are removed at a cutting line, to expose the grounding unit. | 12-04-2008 |
| 20080309212 | Cured Coating for Use in Optics or Electronics - The present invention relates to cured coatings comprising: at least one filler, a polyalkoxysilane matrix, and at least one cured aminosilane in an amount between 5.5 to 40.0 wt % of the total weight of the cured coating. These cured coatings can be used in optics or electronics, and in devices such as lamps. | 12-18-2008 |
| 20090026909 | FILTER AND PLASMA DISPLAY DEVICE THEREOF - The present invention relates to a filter and a plasma display device thereof, and the filter includes: a base unit; and an external light shielding sheet including a plurality of pattern units each formed spaced from the base unit to absorb external light, wherein the base unit includes dye and pigment absorbing light in a specific wavelength region. | 01-29-2009 |
| 20090051258 | Electromagnetic wave blocking member for display apparatus - Disclosed is an electromagnetic wave blocking member for a display apparatus. The electromagnetic wave blocking member may include a transparent substrate, an electrode layer, and a transparent conductive layer. The electrode layer can include i) a grounding electrode corresponding to at least one frame area of the transparent substrate, and ii) an auxiliary electrode overlying the transparent substrate for connection with the grounding electrode and having a mesh or stripe pattern. The transparent conductive layer can be formed either on the electrode layer or between the transparent substrate and the electrode layer. In one example, the transparent conductive layer can include a series of a metal thin film alternating with a metal oxide thin film a plurality of times. | 02-26-2009 |
| 20090058250 | Filter for display apparatus - A filter for a display apparatus is placed in front of a display panel, wherein CIE chromaticity coordinates of the filter under a standard of a D65 light source have values of −2.0≦a*≦2.0 and −2.0≦b*≦2.0. The CIE chromaticity coordinates of the filter under the standard of the D65 light source have a value of 60≦L*≦80. The colorants include a first colorant absorbing 380 nm to 480 nm wavelength light, a second colorant absorbing 450 nm to 550 nm wavelength light, and a third colorant absorbing 560 nm to 620 nm wavelength light. The first to third colorants can be contained in at least one of a color compensating layer, a low-refraction layer having a refractive index of 1.5 or less, an external light shielding layer, a hard coating layer and an adhesive layer. | 03-05-2009 |
| 20090096342 | HIGHLY EMISSIVE MATERIAL, STRUCTURE MADE FROM HIGHLY EMISSIVE MATERIAL, AND METHOD OF MAKING THE SAME - The invention relates to a high temperature material modified to exhibit enhanced IR emittance in the wavelength range where a black body operating at the same high temperature exhibits peak emittance, to a light-transmissive body comprising the high temperature material, to a high intensity lamp comprising the high temperature material, and to a method of preparing the same. | 04-16-2009 |
| 20090230835 | DISPLAY FILTER - A display filter where the index of reflection outline clarity (Cr), the index of reflection luminance (Lr) and the index of image clarity (Ct) as defined in the description satisfy 5| 09-17-2009 | |
| 20090236960 | ELECTRIC LAMP AND INTERFERENCE FILM - An electric lamp has a light-transmitting lamp vessel ( | 09-24-2009 |
| 20090267475 | HIGH-PRESSURE GAS DISCHARGE LAMP - The invention relates to a high-pressure gas discharge lamp, which has at least a burner or an inner lamp envelope whose wall mainly consists of a ceramic material, namely a polycrystalline aluminum oxide material (PCA), YbAG- or YAG-material, and at least an interference filter is arranged on at least part of the surface of this wall, wherein this interference filter consists of several layers and in whose layer structure a layer with a higher refractive index alternates with a layer with a lower refractive index, the layer with a lower refractive index mainly consists of Al2O3 and with operation of the lamp the maximum temperature of the wall is more than 1400K. | 10-29-2009 |
| 20090295265 | Light Emitting Device and Illumination Apparatus - A light emitting device includes a base on which a wiring conductor is formed from the top surface to the bottom surface or the side face; a light emitting chip mounted on the top surface of the base and electrically connected with the wiring conductor; a first light transmitting member which covers the light emitting chip; a second light transmitting member provided above the first light transmitting member to cover the first light transmitting member, the second light transmitting member being formed of a light transmitting material containing fluorescent materials for converting in wavelength the light emitted from the light emitting chip; and a third light transmitting member provided between the first and second light transmitting members, wherein the refractive index n | 12-03-2009 |
| 20100060133 | VARIABLE DISPLAY STRUCTURE - A variable display structure having a first transmission layer that transmits only a first wavelength light and a second transmission layer that transmits only a second wavelength light are provided on a base layer. The variable display structure displays a first shape or a second shape, depending on the wavelength of emitted light. A first light adjustment layer located at overlapping portions where the first shape and the second shape overlap with each other, and a second light adjustment layer to cover the entire layer face of the base layer, are further formed on the base layer. The transmission characteristics of the second light adjustment layer are the same as the transmission characteristics of the first transmission layer. | 03-11-2010 |
| 20100079049 | PLASMA DISPLAY DEVICE - A plasma display device refines contrast, suppresses moiré, and maintains mechanical strength against shocks from the outside of the device. A front panel is disposed at a distance D from the front of the plasma display panel. A contrast refine film in which light absorption parts and light transmission parts extending in the same direction as scanning electrodes, discharge sustaining electrodes, and the like, which are formed on the plasma display panel, are formed with a certain pitch is stuck to the front substrate of the plasma display panel. This helps to refine contrast and suppress moiré below a proper level. An antireflection film, a color tone film, an electromagnetic radiation preventing film, a near-infrared absorption film, and the like are all disposed in the front panel. This helps to prevent deterioration of each optical film during operation. | 04-01-2010 |
| 20100102698 | HIGH REFRACTIVE INDEX MATERIALS FOR ENERGY EFFICIENT LAMPS - Disclosed herein are optical interference multilayer coatings comprising a plurality of alternating low refractive index and high refractive index layers, where the high refractive index layers comprise at least one mixed metal oxide selected from: NbTaX oxide where X is selected from the group consisting of Hf, Al and Zr; NbTiY oxide where Y is selected from the group consisting of Ta, Hf, Al and Zr; and TiAlZ oxide where Z is selected from the group consisting of Ta, Hf and Zr. Also disclosed herein are lamps comprising a light-transmissive envelope, at least a portion of the surface of the light-transmissive envelope being provided with the optical interference multilayer coating noted above. Such coatings, when used on lamps, may advantageously offer improved energy efficiencies for such lamps. | 04-29-2010 |
| 20100164350 | LAMP FOR MOTOR VEHICLES - The invention relates to a lamp for motor vehicles that at least comprises a first incandescent filament that is intended to produce a light beam having a light/dark cutoff line, the incandescent filament having associated with it for this purpose a shielding cap to restrict the light emitted to a given angular range. The shielding cap ( | 07-01-2010 |
| 20100201242 | LIGHT CONTROL FILM AND MULTI-LAYER OPTICAL FILM STACK - Film stacks and displays incorporating the same are described. | 08-12-2010 |
| 20110080084 | FILTER, PLASMA DISPLAY DEVICE THEREOF, AND RELATED TECHNOLOGIES - A display apparatus includes a plasma display panel (PDP) and a filter. The PDP has a display surface, and the filter has a panel side facing the display surface of the PDP and an opposing viewer side facing away from the display surface. The filter includes a base unit. The filter also includes pattern units that absorb external light from the viewer side. The pattern units have boundaries that define widths of pattern tops and widths of pattern bottoms. A distance between a pattern top and a pattern bottom defines a pattern height. A distance between adjacent boundaries, of a pair of adjacent pattern units, at adjacent pattern bottoms can be less than a distance between the adjacent boundaries at adjacent pattern tops, less than the pattern height, and greater than a width of at least one of the pattern bottoms. | 04-07-2011 |
| 20110101843 | MOTOR VEHICLE LAMP - The invention relates to a lamp for motor vehicle headlamps, and in particular a high intensity discharge lamp, comprising at least one envelope which is arranged on a base and which is provided with two coatings arranged diametrically opposite one another, wherein the coatings ( | 05-05-2011 |
| 20110127899 | OXIDE MULTILAYERS FOR HIGH TEMPERATURE APPLICATIONS AND LAMPS - Disclosed herein are optical interference multilayer coatings employing a high refractive index material comprising a NbTaZr oxide. Such coatings provide enhanced retention of favorable optical and physical properties at high temperatures. Also disclosed herein are lamps comprising a light-transmissive envelope, at least a portion of the surface of the light-transmissive envelope being provided with the optical interference multilayer coating noted above. Such coatings, when used on lamps, may advantageously offer improved energy efficiencies for such lamps. | 06-02-2011 |
| 20110133624 | SHEET AND LIGHT EMITTING APPARATUS - A sheet of the present invention is a sheet which is to be used such that light from a light emitting body impinges on one of surfaces of the sheet and outgoes from the other surface. The other surface of the sheet includes a plurality of minute regions | 06-09-2011 |
| 20110198980 | PLASMA DISPLAY APPARATUS - The present invention relates to a plasma display apparatus. The plasma display apparatus includes a plasma display panel, a filter disposed on a front surface of the panel and comprising at least one of an anti-reflection (AR) layer, a near infrared (NIR)-shielding layer, and an electromagnetic interference (EMI)-shielding layer, and an external light-shielding sheet disposed on the front surface of the panel and comprising a base unit and a plurality of pattern units formed in the base unit. The filter and the external light-shielding sheet are adhered to the panel or fixed to a supporter. An air layer exists between the external light-shielding sheet and the filter. According to the present invention, a black image can be implemented effectively and bright room contrast can be improved. Further, a Moire effect can be reduced effectively and a ghost phenomenon can be improved. | 08-18-2011 |
| 20110210658 | LIGHT EMISSIVE CERAMIC LAMINATE AND METHOD OF MAKING SAME - A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder. | 09-01-2011 |
| 20110234079 | POLARIZER AND ORGANIC ELECTROLUMINESCENT DEVICE HAVING THE SAME - An organic electroluminescent device is disclosed. The organic electroluminescent device includes a window, a polarizer placed below the window, resin placed between the window and the polarizer, and having a refractive index similar to that of the window and the polarizer, and a self-emissive layer placed below the polarizer. The polarizer includes a polarization layer for polarizing light incident from the outside, a first wave plate for retarding the phase of the polarized incident light, and a second wave plate for retarding the phase of the incident light having passed through the first wave plate. | 09-29-2011 |
| 20120086323 | DISPLAY AND METHOD AND APPARATUS FOR MANUFACTURING A DISPLAY - A method is described for manufacturing a display. The method includes providing a display layer for displaying an image having at least a luminosity component, providing a color filter layer comprising a color filter for filtering the image according to a predetermined pattern, and removably attaching the color filter layer to the display layer. Dependent on the outcome of a test on the product provided with the removably attached color filter layer it may be decided to remove the color filter layer. | 04-12-2012 |
| 20120146482 | FLAT DISPLAY AND METHOD OF FABRICATING THE SAME - A flat display and a method of fabricating the same, in which the fabrication of the flat display is facilitated by employing a plate-to-plate method. The method of fabricating a flat display panel includes the steps of forming an optical bonding resin layer by applying an optical bonding resin on the underside of a transparent film, attaching a filter to the upper surface of the transparent film, and attaching the optical bonding resin layer to the upper surface of a display panel using a plate-to-plate method. | 06-14-2012 |
| 20120248963 | ELECTRICAL HIGH-PRESSURE DISCHARGE LAMP FOR COSMETIC SKIN TREATMENT - An electrical high-pressure discharge lamp is provided for a cosmetic skin treatment. The lamp includes an illuminating tube made of quartz glass. At least two electrodes made of metal are arranged in the illuminating tube at a spacing from each other that is larger than the internal diameter of the illuminating tube. A gas is enclosed in the illuminating tube, and the quartz glass is doped with copper and tin, which reduces the transmission by the illuminating tube for electromagnetic radiation of a wavelength shorter than 550 nm. A use of an electrical high-pressure discharge lamp of this type in a tanning device or lamp for cosmetic skin treatment is also provided. | 10-04-2012 |
| 20120274198 | Lamp Module, Particularly for Spectral Analysis Devices - A known lamp module for spectral analysis devices includes a lamp receptacle body having a cavity for receiving a deuterium lamp having a lamp bulb made of synthetic quartz glass. The cavity has a beam outlet opening closed with an optical transmission element. In order to provide a lamp module having a deuterium lamp with an ozone filter that exhibits a long service life, that can be manufactured economically, and that ensures a high intensity in a wavelength range between 190 nm and 250 nm, such a known lamp module is provided with a VUV edge filter in the beam outlet opening on the side of the optical transmission element facing the deuterium lamp. | 11-01-2012 |
| 20120286643 | Photonic Crystal Incandescent Light Source - A photonic crystal incandescent light source comprising: a photonic crystal having a structure configured to reflect wavelengths from at least a portion of an infrared spectrum; and an incandescent central filament in the photonic crystal, causing the photonic crystal to transmit wavelengths from at least a portion of a visible spectrum; wherein the light source emits at least a portion of visible wavelengths and suppresses emission of at least a portion of infrared wavelengths. | 11-15-2012 |
| 20120326590 | Stereoscopic Image Display Device Using Pattern Retarder Method and Method for Fabricating the Same - Embodiments of the invention relate to a stereoscopic image display device using a pattern retarder method, which can widen a vertical viewing angle when watching a stereoscopic image, and a method for fabricating the same. The stereoscopic image display device comprises: a display panel having data lines, gate lines crossing the data lines, and a plurality of pixels formed in cell areas defined by the crossings of the data lines and the gate lines; and a pattern retarder having a first retarder for passing only left circularly polarized light therethrough and a second retarder for passing only right circularly polarized light therethrough, wherein a plurality of light absorption patterns are formed in a first substrate of the display panel, and the long axis direction of the light absorption patterns is the same as the long axis direction of the first retarder and the second retarder. | 12-27-2012 |
| 20130063016 | MODIFIED SPECTRUM INCANDESCENT LAMP - There is herein described a lamp having a light-transmissive envelope, a tungsten-halogen capsule and a coating disposed on the surface of the light-transmissive envelope or doped in the light-transmissive material. The light-transmissive envelope may comprise a light-transmissive material. The tungsten-halogen capsule can be positioned inside the light-transmissive envelope. | 03-14-2013 |
| 20130127326 | DISPLAY DEVICE WITH CLEARANCE - A display device is provided, in which view-angle dependence of chromaticity of white or an intermediate color may be reduced. The display device includes a pair of opposed substrates, a light blocking layer provided on one of the pair of substrates while having a plurality of openings, and a plurality of self-luminous elements provided on the other of the pair of substrates, each of the self-luminous elements having an emission region facing each of the openings, and having an emission color different from an emission color of another element, at least one self-luminous element being different from other self-luminous elements in clearance in a display plane direction from an end of the emission region to an opening of the light blocking film. | 05-23-2013 |
| 20130181595 | Plasma Cell for Providing VUV Filtering in a Laser-Sustained Plasma Light Source - A plasma cell for use in a laser-sustained plasma light source includes a plasma bulb configured to contain a gas suitable for generating a plasma, the plasma bulb being substantially transparent to light emanating from a pump laser configured to sustain the plasma within the plasma bulb, wherein the plasma bulb is substantially transparent to at least a portion of a collectable spectral region of illumination emitted by the plasma, and a filter layer disposed on an interior surface of the plasma bulb, the filter layer configured to block a selected spectral region of the illumination emitted by the plasma. | 07-18-2013 |
| 20130193832 | POLARIZATION STRUCTURE, METHOD OF MANUFACTURING THE SAME AND ORGANIC LIGHT EMITTING DISPLAY HAVING THE STRUCTURE - A polarization structure for a display device is disclosed. In one embodiment, the polarization structure includes a retardation layer, a polarizing layer and a polarizing pattern. The retardation layer may be configured to produce a phase difference between two polarization components of an incident light. The polarizing layer may have an adsorption axis along a first direction on the retardation layer. The polarizing layer may include a first region and a second region surrounding at least one side of the first region. The polarizing pattern may have an adsorption axis along a second direction perpendicular to the first direction in the second region. | 08-01-2013 |
| 20130214667 | Lighting Apparatus - According to an exemplary embodiment, a lighting apparatus includes a light source that includes a light emitting element, and a member which is irradiated with light emitted from the light source and which is formed of resin having absorptivity of 15% or less in a wavelength in which intensity is 10% of a peak intensity, at a wavelength side that is shorter than an intensity peak of a spectrum of blue light emitted from the light source. | 08-22-2013 |
| 20130249377 | OLED DISPLAY WITH REDUCED POWER CONSUMPTION - An OLED display with a plurality of pixels for displaying an image having a target display white point luminance and chromaticity, each pixel including three red, green and blue gamut-defining emitters defining a display gamut and a magenta emitter with two of cyan, yellow or white emitters as three additional emitters which emit light within the display gamut; the display including a means for receiving a three-component input image signal; transforming the three-component input image signal to a six component drive signal; and providing the drive signal to display an image corresponding to the input image signal. One embodiment is where the pixels have red, green, blue, cyan, magenta and yellow colored subpixels. | 09-26-2013 |
| 20130249378 | ANTI-REFLECTION CIRCULARLY POLARIZING PLATE FOR ORGANIC EL DISPLAY AND ORGANIC EL DISPLAY - A retardation film which comprises a stretched polymer film and satisfies the following formulae (1) to (3): | 09-26-2013 |
| 20140091699 | MODIFIED SPECTRUM LAMP - There is herein described a lamp having a light-transmissive envelope, a tungsten-halogen capsule and a coating disposed on the surface of the light-transmissive envelope or doped in the light-transmissive material. The light-transmissive envelope may comprise a light-transmissive material. The tungsten-halogen capsule can be positioned inside the light-transmissive envelope. | 04-03-2014 |
| 20140184053 | ADHESIVE FILM AND OPTICAL DISPLAY INCLUDING THE SAME - An adhesive film and an optical display including the same. The adhesive film has a tan δ of about 0.12 to about 0.4 upon frequency sweep testing under conditions of a strain of 5%, 30° C. and 1 rad/s, and a tan δ of about 0.2 to about 0.7 upon frequency sweep testing under conditions of a strain of 5%, 30° C. and 100 rad/s. | 07-03-2014 |
| 20140346944 | LIGHT SOURCE DEVICE AND FILAMENT - A light source device comprising a filament showing high electric power-to-visible light conversion efficiency is provided. The light source device of the present invention comprises a translucent gastight container, a filament disposed in the translucent gastight container, and a lead wire for supplying an electric current to the filament. The filament comprises a substrate formed from a metal material and a visible light-absorbing film covering the substrate. The visible light-absorbing film is transparent to lights of infrared region. The reflectance of the substrate for visible lights is thereby made low, and the reflectance of the substrate for infrared lights is thereby made high. Therefore, radiation of infrared lights is suppressed, and visible luminous efficiency can be enhanced. | 11-27-2014 |
| 20140361675 | LIGHT SOURCE DEVICE AND FILAMENT - A light source device comprising a filament showing high electric power-to-visible light conversion efficiency is provided. A light source device comprising a translucent gastight container, a filament disposed in the translucent gastight container, and a lead wire for supplying an electric current to the filament is provided. The filament comprises a substrate formed with a metal material and a white scatterer layer covering the substrate. To the white scatterer layer, a visible light-absorbing material that absorbs lights of visible region is added. The reflectance of the filament for visible lights is thereby made low, and the reflectance of the filament for infrared lights is thereby made high. Therefore, radiation of infrared lights is suppressed, and visible luminous efficiency can be enhanced. | 12-11-2014 |
| 20160099141 | COLOR-SHIFTED LAMPS USING NEODYMIUM-FLUORINE CONTAINING COATING - The specification and drawings present a new apparatus such as a halogen incandescent lamp is presented herein, the apparatus comprising a light source such as a light-generating element made of tungsten, configured to generate a visible light such as white light having chromaticity coordinates of the light source in a clear center in a color space, and a component such as light-transmissive envelope, enclosing the light source and comprising a coating with a compound comprising elements of neodymium and fluorine and configured to provide a desired light spectrum by filtering the generated visible light using the compound, where the desired light spectrum having chromaticity coordinates in the color space being shifted from the clear center below the black-body locus and outside of a four-step MacAdam ellipse of the light source to meet a predefined requirement for a modified spectrum lamp. | 04-07-2016 |
