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David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 8179030 | 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 ... | 05/15/2012 |
| 8143771 | Filter and display device having the same A filter for a display device includes a base substrate, a shielding film formed based on a single transparent base layer, and an adhesive layer adhering the shielding film onto the base substrate. The shielding film which realizes diverse shielding functions in a s... | 03/27/2012 |
| 8129890 | High-pressure discharge lamp having a starting aid The invention relates to a high-pressure discharge lamp (1) having a burner (2), which is provided with a starting aid device (30, 32) for improving the starting behavior. Said device is configured according to the invention as a grid (30... | 03/06/2012 |
| 8110968 | Irradiation device with filter disks and medium enclosed therebetween The present invention relates to an irradiation device having a radiation source and a filter which is arranged in the optical path and has two transparent filter disks which are substantially arranged in parallel with each other and which are held with their surrou... | 02/07/2012 |
| 8102104 | Front-side filter and plasma display panel device including the front-side filter Provided is a front-side filter which can be easily attached to a cover of a display device, but is difficult to detach from the cover even after long term use and further provided is a PDP device including the same filter. The front-side filter includes a filter ba... | 01/24/2012 |
| 8053962 | Fluorescent lamp with UV-blocking layer and protective sleeve A fluorescent lamp having a protective polymeric sleeve to provide impact resistance and contain fragments if the lamp shatters. A UV-blocking layer is coated on the outside of the glass envelope of the lamp or on the inside of the sleeve to help protect the polymer... | 11/08/2011 |
| 8053963 | Display device and optical filter A display device according to one embodiment of the invention includes a display panel for displaying an image and an optical filter attached to the display panel. The optical filter includes an external light anti-reflection layer, a color compensation layer, an ex... | 11/08/2011 |
| 8053961 | Color-mixture display unit and image display apparatus using the same The present invention is related to a color-mixture display unit and an image display apparatus using the same, wherein the image display apparatus includes at least one color-mixture pixel which is pre-disposed at plates of a light box so that a pattern is formed. ... | 11/08/2011 |
| 8040027 | Multi-primary color display and color filter When the coordinates of multiple primaries are set within specific ranges in a chromaticity diagram (e.g. the CIE 1931 chromaticity diagram), the proportion of the contrast ratio of one primary to the contrast ratio of the other primary should conform to some requir... | 10/18/2011 |
| 8026653 | Display device and optical filter A display device provided with a screen, comprising: an optical filter having a blind sheet that comprises a plurality of semitranslucent layers having translucence arranged side-by-side extending in a horizontal direction and having a predetermined thickness in a v... | 09/27/2011 |
| 8008846 | Flat display apparatus An optical filter 17 is attached to the display screen surface of a flat display panel 3 of a flat display apparatus. The optical filter 17 is constituted of a lamination of an electromagnetic-wave blocking sheet 17A, an infrared-radiatio... | 08/30/2011 |
| 7999451 | Blue color filter element A blue color filter having a blue filter layer comprising a first pigment having a maximum absorption at a wavelength within the range of from 550 to 650 nm, and a second pigment having a maximum absorption at a shorter wavelength than the first pigment within the r... | 08/16/2011 |
| 7990034 | Filter and plasma display device thereof A filter for a display panel includes a base unit and an external light shielding sheet. The sheet includes a plurality of pattern units provided in spaced relation adjacent the base unit to absorb external light. The base unit includes a dye or pigment for absorbin... | 08/02/2011 |
| 7928640 | Light-emitting display apparatus incorporating a circular polarizer in arrangement with a light-absorbing member A display apparatus includes a substrate; a plurality of pixels arranged above the substrate, each including a plurality of sub-pixels emitting light of different colors; a circularly polarizing member disposed above the pixels, the transmittance of light of a selec... | 04/19/2011 |
| 7928639 | Display device A display device of the present invention has light-emitting devices making up a plurality of pixels placed in a matrix form. In the display device of the present invention, the light-emitting devices each possesses an emissive layer and a reflective element placed ... | 04/19/2011 |
| 7906892 | Light emitting device Disclosed herein is a light emitting device. The light emitting device includes a light emitting diode disposed on a substrate to emit light of a first wavelength. A transparent molding part encloses the LED, a lower wavelength conversion material layer is disposed ... | 03/15/2011 |
| 7868527 | Polarizer, method of manufacturing the same, and flat panel display device including the polarizer A polarizer adapted to improve contrast and visibility of a display device, a method of manufacturing the polarizer, and a flat panel display device including the polarizer. In one embodiment, the polarizer includes a base and a plurality of grids disposed in a stri... | 01/11/2011 |
| 7868528 | Light emitting device with translucent semi-reflection layer and electronic apparatus A light emitting device includes: a light emitting element which includes a first electrode layer, a second electrode layer, and a light emitting function layer disposed between the first electrode and the second electrode; a reflection layer which reflects light em... | 01/11/2011 |
| 7859175 | Illuminating device, display device and optical film A display device has a light source that radiates light from a light-emitting portion. A light guide body receives an incident light from the light-emitting portion of the light source and emits light. A display element is illuminated by light emitted from the light... | 12/28/2010 |
| 7839063 | Display panel and display device having color filter elements with color filter protective layer To provide a display panel having such a structure that a color filter is unlikely to suffer damage due to a heat treatment in a reducing atmosphere in the fabrication process for display device. A display panel (anode panel AP) includes a fluorescent region formed ... | 11/23/2010 |
| 7821185 | Display filter and display apparatus having the same A display filter and a display apparatus including the display filter, which can increase a contrast ratio in a bright room, and prevent a moiré phenomenon and a Newton's ring phenomenon, are provided. The display filter includes: a filter base; an external light-s... | 10/26/2010 |
| 7816844 | Filter and plasma display device thereof The plasma display device comprises a plasma display panel and the filter which is formed at a front of the plasma display panel, wherein the filter includes an external light shielding sheet which comprises a base unit, and a plurality of pattern units formed on th... | 10/19/2010 |
| 7808164 | Display device A display device having an electroluminescence element with an improved contrast ratio is provided. Stacked polarizing plates are provided on the outer side of substrates of a display device which includes a first light-transmitting substrate and a second light-tran... | 10/05/2010 |
| 7800287 | Enhanced emission from pc-LEDs using IF filters White-light efficiency from a light emitting diode is enhanced by recycling inwardly penetrating light outwardly by application of a multi-layer, thin film filter between the LED die and the phosphor layer. This procedure increases the package extraction efficiency.... | 09/21/2010 |
| 7772749 | Wavelength filtering coating for high temperature lamps 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 ... | 08/10/2010 |
| 7768182 | Flat display apparatus An optical filter 17 is attached to the display screen surface of a flat display panel 3 of a flat display apparatus. The optical filter 17 is constituted of a lamination of an electromagnetic-wave blocking sheet 17A, an infrared-radiatio... | 08/03/2010 |
| 7755263 | External light-shielding layer, filter for display device including the external light-shielding layer and display device including the filter An external light-shielding layer capable of enhancing a visible light transmittance and a contrast ratio and preventing Moire fringe and Newton ring phenomena, a display filter including the external light-shielding layer, and a display device including the display... | 07/13/2010 |
| 7755262 | Organic EL display An organic EL display having a polarizing plate is disclosed. The present invention includes an organic EL display panel, a first polarizing plate on the panel to convert a circularly or linearly polarized light to a linearly or circularly polarized light, and a sec... | 07/13/2010 |
| 7710005 | Optical filter of plasma display panel and fabrication method thereof An optical filter of a plasma display panel (PDP) and its fabrication method are disclosed. The optical filter includes an electromagnetic wave shield layer having a bias angle formed by cutting a mesh film along a predetermined direction. ... | 05/04/2010 |
| 7696678 | Plasma display apparatus using filter The present invention relates to a plasma display apparatus including an external light blocking sheet which blocks and absorbs the external light injected from the outside, in particular, in which a pattern portion having a predetermined gap and width on a base por... | 04/13/2010 |
| 7683526 | Plasma display apparatus with glass filter having plurality of dot parts A plasma display apparatus is provided having an improved glass filter. The plasma display includes a panel assembly, and a glass filter provided in front of the panel assembly. The glass filter includes a plurality of a dot parts disposed in front of a glass plate ... | 03/23/2010 |
| 7679275 | Display filter and display device including the same A display filter capable of enhancing the visible light transmittance and contrast ratio for a bright room condition and a display device including the same. The display filter includes a filter base, and an external light-shielding layer, disposed on a surface of t... | 03/16/2010 |
| 7612489 | Display filter, display device including the display filter, and method of manufacturing the display filter A display filter for use with a plurality of microlenses in a display system includes an external light and electromagnetic (EM)-shielding portion having a photosensitive transparent resin layer with a photocatalyst, and an external light and EM-shielding pattern fo... | 11/03/2009 |
| 7612490 | Plasma display apparatus with optical filter and elastic conductive body A plasma display apparatus includes a conductive rear surface cover covering a rear surface of a plasma display panel; an optical filter provided with a conductive layer having a surface resistance of 0.5 Ω/square or above, which is disposed at the front surface of... | 11/03/2009 |
| 7586244 | Ultra-high pressure discharge lamp provided with a multi-layered interference filter on an outer surface of the lamp The invention relates to a high-pressure discharge lamp which comprises at least a burner (2) having a symmetrical discharge chamber (21), where at least the outer contour of the burner (2) has an elliptical shape in the region of the discharge ... | 09/08/2009 |
| 7557494 | Display device A display device of the present invention has light-emitting devices making up a plurality of pixels placed in a matrix form. In the display device of the present invention, the light-emitting devices each possesses an emissive layer and a reflective element placed ... | 07/07/2009 |
| 7511407 | Optical filter of plasma display panel and fabrication method thereof An optical filter of a plasma display panel (PDP) and its fabrication method are disclosed. The optical filter includes an electromagnetic wave shield layer having a bias angle formed by cutting a mesh film along a predetermined direction. ... | 03/31/2009 |
| 7492081 | Display panel module and method for manufacturing the same A method for manufacturing a display panel module is provided by which production costs are reduced. A method is provided for manufacturing a display panel module that includes a display panel, a functional film and a drive circuit board. The method includes attachi... | 02/17/2009 |
| 7456557 | External light-shielding layer, filter for display device including the external light-shielding layer and display device including the filter An external light-shielding layer capable of enhancing a visible light transmittance and a contrast ratio and preventing Moiré fringe and Newton ring phenomena, a display filter including the external light-shielding layer, and a display device including the displa... | 11/25/2008 |
| 7446462 | Brightness-enhanced multilayer optical film with low reflectivity for display and organic light emitting diode display using the same The subject invention features a low-reflectivity, brightness-enhancing multilayer optical film for enhancing the brightness of an organic light emission diode (OLED) display and imparting anti-reflection performance to the display. ... | 11/04/2008 |