Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 8174175 | Light-emitting device and method for manufacturing same The light-emitting device of the present invention is a light-emitting device having a plurality of pixels that comprises a light-emitting function layer of at least one layer that emits light in accordance with a supplied current, a first electrode layer of a condu... | 05/08/2012 |
| 7431864 | Phosphor, production method thereof and light emitting instrument The present invention aims at providing a blue-aimed phosphor powder which is more excellent in emission characteristic than the conventional rare-earth activated sialon phosphors and which is more excellent in durability than the conventional oxide phosphors. | 10/07/2008 |
| 7414357 | Glass pane with opaque coating A window (1) with an opaque coating (2) comprising a surface region (3) which has opaque surface portions (5) and which is perforated by surface portions (4) allowing light to pass through and distributed over the surface. At least... | 08/19/2008 |
| 7382512 | Resistivity phase change material Various devices and methods employing a resistive phase change material are disclosed. ... | 06/03/2008 |
| 7361417 | Phosphor layer, image display device employing the same and method for making the phosphor layer A phosphor layer having improved contrast and brightness characteristics and a display device including the same are provided. The phosphor layer is made out of an ultra-fine pigment, a dispersant, a phosphor, a photosensitizer and a binder. The phosphor has a unifo... | 04/22/2008 |
| 7326371 | Electroluminescent device with anthracene derivative host An electroluminescent device comprises a light emitting layer including an anthracene material bearing at least one aryl ring in the 2-position and having a hydrogen or an alkyl group in the 6-position and having up to 12 aromatic carbocyclic rings including at leas... | 02/05/2008 |
| 7321464 | Electroluminescent light source and display incorporating same A brightness enhanced reflective polarizer includes a reflective polarizer and a structured surface material. ... | 01/22/2008 |
| 7309955 | Organic electroluminescent display device and fabricating method thereof An electroluminescent display device includes first and second substrates facing each other and having a display area and a non-display area surrounding the display area. An array element is formed on the first substrate and an electroluminescent diode is formed on ... | 12/18/2007 |
| 7288107 | Tanning device A tanning device is described by which the bluish light emitted by mercury vapor lamps is converted into yellow or white light. For this purpose, the mercury lamps, or the sheets of transparent plastics material covering these lamps, are doped or coated with one or ... | 10/30/2007 |
| 7283131 | Image display apparatus An image display apparatus having a plurality of image forming devices. In an output circuit provided between constant voltage supplies and wiring for driving each of the image forming devices, MOSFETs are successively turned on from the one having a higher ON resis... | 10/16/2007 |
| 7239361 | Display A display includes a display surface, an electroluminescent panel, which has a plurality of electroluminescent elements, and a liquid crystal panel, which has a plurality of liquid crystal elements. The liquid crystal panel and the electroluminescent panel overlaps ... | 07/03/2007 |
| 7227302 | Color cathode-ray tube Optical filter layers that transmit only light with a desired wavelength are provided in a non-formation region of an optical absorbing layer formed on an inner surface of a glass panel, and phosphor layers that emit either one of red, green, and blue light are prov... | 06/05/2007 |
| 7151283 | Light-radiating semiconductor component with a luminescence conversion element The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver... | 12/19/2006 |
| 7126162 | Light-radiating semiconductor component with a luminescence conversion element The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver... | 10/24/2006 |
| 7084936 | Display including electroluminescent elements and liquid crystal elements aligned with each other in front and rear direction of the display A display includes a display surface, an electroluminescent panel, which has a plurality of electroluminescent elements, and a liquid crystal panel, which has a plurality of liquid crystal elements. The liquid crystal panel and the electroluminescent panel overlaps ... | 08/01/2006 |
| 7078732 | Light-radiating semiconductor component with a luminescence conversion element The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver... | 07/18/2006 |
| 7071907 | Display with active contrast enhancement A display (50) with enhanced image contrast contains an image-producing component (60) and a set of shutter strips (80). The image-producing component, typically a flat-panel device, has multiple imaging lines that provide light to produce an im... | 07/04/2006 |
| 7026756 | Light emitting device with blue light LED and phosphor components A light emitting device includes a light emitting component having an active layer of a semiconductor and a phosphor capable of absorbing a part of light emitted from the light emitting component and emitting light of wavelength different from that of the absorbed l... | 04/11/2006 |
| 7019451 | Shadow mask of color CRT The color cathode-ray tube includes a panel having a fluorescent screen formed on the inner surface thereof, a funnel coupled to the panel, an electron gun mounted into the neck portion of the funnel for emitting electron beams toward the fluorescent screen, and a s... | 03/28/2006 |
| 6995737 | Method and system for adjusting precharge for consistent exposure voltage A method and system for controlling a voltage used for precharging current-driven elements in a matrix, and a method of manufacturing a device to perform this function. Elements are driven during successive scan cycles, each having a precharge period and an exposure... | 02/07/2006 |
| 6972515 | Flat type color cathode ray tube In a flat type color cathode ray tube, in using of a tint or a dark tint panel capable of improving contrast characteristics of a screen and reducing production processes, namely, having the conventional coating process reduction advantage, by optimizing a horizonta... | 12/06/2005 |
| 6962755 | Light emitting element and azole compound A light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is ... | 11/08/2005 |
| 6939189 | Method of forming a patterned phosphor structure for an electroluminescent laminate The invention provides a method of forming a patterned phosphor structure having red, green and blue sub-pixel elements for an AC electroluminescent display. The method involves selecting first and second phosphors, each emitting light in different ranges of the vis... | 09/06/2005 |
| 6909228 | Braun tube for projectors The present invention proposes a Braun Tube for projectors having an illuminant layer provided on a phosphor screen, the illuminant layer including Zinc Silver Aluminum Oxide (ZnS:Ag, Al) as a blue color illuminant, Yttrium Terbium Silicate (Y2SiO5:Tb) as a green co... | 06/21/2005 |
| 6900784 | Display apparatus with luminance adjustment function A display apparatus is capable of displaying an image at a proper luminance based on an input video signal without being influenced by temperature changes or time-dependent changes. The display apparatus is provided with a monitoring circuit constituted by a monitor... | 05/31/2005 |
| 6861794 | Color display device with color filter and pigment A display device (1) comprises a display screen (10) which comprises a blue color filter layer (24B) and a blue phosphor (25B). The blue phosphor is provided with or covered by blue pigments. ... | 03/01/2005 |
| 6825604 | Phosphor screen and cathodoluminescent device having the same The phosphor screen is capable of minimizing the spread of lights in the phosphor screen, so as to restrict fading images and lowering contrast. The phosphor screen comprises a lot of minute phosphor sections. The phosphor sections are respectively enclosed by barri... | 11/30/2004 |
| 6808829 | Image-display device An image-display device using phosphor can improve the its luminescence efficiency and characteristics of color coordinates by adding an IIA element to a host crystal of ZnS phosphor to form a composite crystal. The image-display device improves the luminescence eff... | 10/26/2004 |
| 6743378 | Plasma display panel with improved mixed green-color fluorescent material A mixed green color fluorescent material for an electric device such as a plasma display panel includes: at least a first fluorescent material selected from a Group A defined in a range (0.10≦x≦0.18, 0.70≦y≦0.80) on a chromaticity coordinate; and at least a ... | 06/01/2004 |
| 6717346 | CRT display matrix that emits ultraviolet light An additional phosphor-excitation mechanism improves the light output of a visible-light emitting phosphor. One excitation mechanism indirectly excites the visible-light emitting phosphor by first striking a non-visible-light emitting particle (such as an ult... | 04/06/2004 |
| 6703992 | EL display device with inter-line insulation In an active matrix type EL device, a semiconductor layer (intersection protective film F1, F2, F3, F4) is inserted between lines at an intersection of a gate line GL and a data line DL; an intersection of the gate line GL and a power source line VL; an i... | 03/09/2004 |
| 6656574 | Structure including electrophoretically deposited patternable material for use in providing a display A structure used in the production of a face plate of a display includes a substrate assembly having a conductive surface at a first side thereof, one or more projections (e.g., spacers) extending from the first side of the substrate assembly, and electro... | 12/02/2003 |
| 6614161 | Resonant microcavity display A resonant microcavity display (20) having microcavity with a substrate (25), a phosphor active region (50) and front and rear reflectors (30 and 60). The front and rear reflectors may be spaced to create either a standing or treaveling eledtromagnetic wa... | 09/02/2003 |
| 6590330 | Display device having a display window, a phosphor pattern and a color filter pattern between the display window and the phosphor pattern A display device comprises a color filter pattern between a phosphor pattern and a display window. For blue, the thickness (t2) of this color filter pattern is more than 2.5 micrometer, preferably 5-7 micrometer, and/or for red said thickness i... | 07/08/2003 |
| 6501102 | Light emitting diode (LED) device that produces white light by performing phosphor conversion on all of the primary radiation emitted by the light emitting structure of the LED device Presented is an LED device that produces white light by performing phosphor conversion on substantially all of the primary light emitted by the light emitting structure of the LED device. The LED device comprises a light emitting structure and at least on... | 12/31/2002 |
| 6501100 | White light emitting phosphor blend for LED devices There is provided a white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 570 to about 620 nm, and a second luminescent material having a peak emission wavelength of about 480... | 12/31/2002 |
| 6489715 | Luminous faceplate of color projection cathode ray tube and substrate for manufacturing the same The present invention relates to a substrate of a luminous faceplate of a color projection cathode ray tube and a luminous faceplate which is composed of this substrate. The substrate consists of transparent polycrystalline material, and the luminous face... | 12/03/2002 |
| 6472833 | Laser cathode ray tube A laser CRT includes a cathode, a modulator having an orifice for forming an electron beam from the electrons emitted by the cathode, and a beam directing unit directing the electron beam formed by the orifice of the modulator to the laser screen of the l... | 10/29/2002 |
| 6417833 | Liquid crystal display apparatus and method for lighting backlight thereof In the liquid crystal display, a first backlight and a second backlight are provided and lightened simultaneously. Among all the lamps constituting the backlight, those lamps outputting oscillation waves in one phase are made equal or nearly equal in numb... | 07/09/2002 |
| 6410169 | Discharge lamp In the luminescent screen of a flourescent lamp an organic europium compound is incorporated for converting mercury radiation between 350 nm and 450 nm into red light. The organic europium compound is diluted in an organic polymer. When the fluorescent la... | 06/25/2002 |