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| Number | Title | Issue Date |
| 8007967 | Shadow mask and manufacturing method thereof Disclosed is a shadow mask having a fine slit that can improve precision and resolution of a pattern by reducing side etching during an etching process of a mask substrate, and a manufacturing method thereof. The shadow mask includes a mask substrate, a slit region ... | 08/30/2011 |
| 7365369 | Nitride semiconductor device A nitride semiconductor device used chiefly as an LD and an LED element. In order to improve the output and to decrease Vf, the device is given either a three-layer structure in which a nitride semiconductor layer doped with n-type impurities serving as an n-type co... | 04/29/2008 |
| 7329980 | Shadow mask for cathode ray tubes Disclosed herein is a shadow mask for cathode ray tubes. When the width of a smaller hole part of each of slots formed at the shadow mask is defined as Sw, the horizontal distance between the end of a taper-shaped larger hole part facing the panel side of each of th... | 02/12/2008 |
| 7328735 | Apparatus and method for forming phosphor layers on a display panel An apparatus for forming phosphor layers on a display panel includes a base plate on which a display panel is placed. The base plate is inclined at an adjustable angle. The display panel, having a panel plate and barrier ribs formed on the panel plate is placed on t... | 02/12/2008 |
| 7247562 | Semiconductor element, semiconductor device and methods for manufacturing thereof The present invention provides a method of manufacturing a semiconductor element having a miniaturized structure and a semiconductor device in which the semiconductor element having a miniaturized structure is integrated highly, by overcoming reduction of the yield ... | 07/24/2007 |
| 7204735 | Production apparatus and method of producing a light-emitting device by using the same apparatus The present invention relates to a method for manufacturing a light-emitting device. At least one of a light-emitting film forming step, a conductive film forming step and an insulating film forming step is carried out while holding a substrate in a manner that an a... | 04/17/2007 |
| 7179572 | Fluorescent screen forming method, fluorescent screen forming apparatus and cathode-ray tube The present invention relates to a fluorescent screen forming method, a fluorescent screen forming apparatus and a cathode-ray tube. In the fluorescent screen forming method according to the present invention, a transfer roller lowers a transfer sheet to somewhere a... | 02/20/2007 |
| 7132783 | Phosphor particles having specific distribution of average diameters Small particles provide for improved performance as phosphors especially in the production of display devices. Particles with an diameter less than about 100 nm have altered band properties that affect the emission by the particles. A collection of such small partic... | 11/07/2006 |
| 7083996 | Nitride semiconductor device and manufacturing method thereof A nitride semiconductor device includes a GaN substrate having a single-crystal GaN layer at least on its surface and plurality of device-forming layers made of nitride semiconductor. The device-forming layer contacting the GaN substrate has a coefficient of thermal... | 08/01/2006 |
| 7081925 | Method and apparatus for adapting chromatic compensation The present invention relates to a method and an apparatus for adaptive compensation of chrominance, aiming at the optimization of colors of electronic images. The invention includes the experimental data obtained when the best viewing effects are achieved, the divi... | 07/25/2006 |
| 7045941 | Color cathode ray tube A shadow mask has a main mask and an auxiliary mask overlapped on the main mask. Electron beam passage apertures formed in the main mask and the auxiliary mask are arranged at given pitches in the direction of a major axis. Each electron beam passage aperture of the... | 05/16/2006 |
| 7037161 | Method of manufacturing flat panel displays utilizing a surface treating layer To enable formation of a pattern of constituent elements, arranged in correspondence with an arrangement of cells in a display region, as desired or required with a minimized quantity of the film material, a method of manufacturing a flat panel display is provided w... | 05/02/2006 |
| 7033712 | Method of manufacturing a color filter cathode ray tube (CRT) A color filter luminescent screen assembly for a cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a faceplate panel of the CRT tube. The luminescent screen assembly includes a patterned light-absorbing matrix t... | 04/25/2006 |
| 7022535 | Thin film forming device, method of forming a thin film, and self-light-emitting device Measure of forming an EL layer by selectively depositing through evaporation a material for forming the EL layer at a desired location is provided. When a material for forming an EL layer is deposited, a mask (113) is provided between a sample boat (111 | 04/04/2006 |
| 7015053 | Nitride semiconductor laser device A nitride semiconductor laser device has an improved stability of the lateral mode under high output power and a longer lifetime, so that the device can be applied to write and read light sources for recording media with high capacity. The nitride semiconductor lase... | 03/21/2006 |
| 7008739 | Process for manufacturing fluorescent film of a color braun tube The present invention is to provide a process for manufacturing a fluorescent film wherein the order of coating the fluorescent films of a color Braun tube and the thickness of the film are adjusted to reduce the amount of red fluorescent material employed for red f... | 03/07/2006 |
| 6946041 | Material for shadow mask, method for production thereof, shadow mask and image receiving tube A material for shadow mask having the following composition of components: C≦0.0008 wt %, Si≦0.03 wt %, Mn:0.1 to 0.5 wt %, P≦0.02 wt %, S≦0.02 wt %, Al:0.01 to 0.07 wt %, N≦0.0030 wt %, B: an amount satisfying the formula: 5 ppm≦B−11/14×N≦30 ppm, b... | 09/20/2005 |
| 6923979 | Method for depositing particles onto a substrate using an alternating electric field Uniform portions of fine powders are deposited on a substrate by electrostatic attraction in which the charge of the electric field and polarity of the charged particles are varied repeatedly to form a buildup of powder on the carrier surface. ... | 08/02/2005 |
| 6922010 | Shadow mask for a cathode ray tube The present invention provides a shadow mask having an improved resistance to an impact such as vibration or dropping so as to keep a constant quality of a color cathode-ray tube. The object is achieved by a shadow mask in which throughholes are formed, each of the ... | 07/26/2005 |
| 6917150 | Raw material for shadow mask for color image receiving tube A subject of the present invention is to provide for a shadow mask material for a color picture tube with excellent tensile strength and excellent high temperature creep strength, a shadow mask made of the shadow mask material and a color picture tube with the shado... | 07/12/2005 |
| 6875542 | Mask and method of manufacturing the same, electroluminescence device and method of manufacturing the same, and electronic instrument A method of manufacturing a mask includes attaching to a first substrate formed with an opening a second substrate formed with a plurality of penetrating holes. The plurality of penetrating holes are disposed inside the opening. The first substrate and the second su... | 04/05/2005 |
| 6803711 | Mask for color cathode ray tube having beneficial slot and bridge configurations, manufacturing method thereof, and exposure mask for manufacturing the mask A mask for a color cathode ray tube (CRT) and a manufacturing method thereof are provided. This mask includes a plurality of strips isolated from each other at predetermined intervals in parallel, and a plurality of bridges for forming slots through which electron b... | 10/12/2004 |
| 6491831 | Method of making a shadow mask for a cathode ray tube A shadow mask for a cathode ray tube includes through-holes defined by first and second recessed formed at first and second surfaces of the shadow mask, respectively. Each through-hole has a first wall farther away from a center of the shadow mask than a ... | 12/10/2002 |
| 6455213 | Method for manufacturing phosphor layer for image display apparatus A phosphor surface formation method for an image display apparatus is disclosed. This method is characterized in that a rounded phosphor material having an aspect ratio(=shorter axis/longer axis) of 0.8~1.0 is used as a phosphor material, and an average p... | 09/24/2002 |
| 6447963 | Method of making a light quantity correction filter and method of manufacturing a color cathode ray tube using the light quantity correction filter made by the method A light quantity correction filter that can implement the desired transmittance distribution precisely and easily without complicating an exposure system, a method of making the light quantity correction filter, and a method of manufacturing a color catho... | 09/10/2002 |
| 6444380 | Filming process for electrophotographic screen (EPS) formation A method of manufacturing a luminescent screen assembly for a color cathode-ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a faceplate panel of the CRT. The luminescent screen assembly includes color-emitt... | 09/03/2002 |
| 6432592 | Shadow mask for color CRT A shadow mask for a color CRT includes an effective face having a plurality of electron beam through holes and having a predetermined curvature; and a skirt unit extendedly bent at an outer portion of the effective face at a predetermined angle in the axi... | 08/13/2002 |
| 6421507 | Method of producing a screen for a display device, screen for a display device produced by means of said method and display device provided with said screen A screen having a dotted structure of apertures in a black matrix and electroluminescent material in the apertures is produced on a panel for a color display device. A photosensitive material on the panel is exposed to light emitted by a point source. The... | 07/16/2002 |
| 6421187 | Laser illumination arrangement for a cathode ray tube A photosensitive layer of or for a cathode ray tube is illuminated by means of a laser illumination arrangement. The laser illumination arrangement comprises a homogenizer which serves to reduce the coherence of the laser beam.... | 07/16/2002 |
| 6391504 | PROCESS FOR PREPARING PHOSPHOR PATTERN FOR FIELD EMISSION DISPLAY PANEL, PHOTOSENSITIVE ELEMENT FOR FIELD EMISSION DISPLAY PANEL, PHOSPHOR PATTERN FOR FIELD EMISSION DISPLAY PANEL AND FIELD DISPLAY PANEL A phosphor pattern for a field emission display panel (FED) is provided. The phosphor pattern is formed by a process whichh comprises the steps of: (I) forming (A) a photosensitive resin composition layer containing a phosphor on a substrate to which a co... | 05/21/2002 |
| 6326110 | Humidity and temperature insensitive organic conductor for electrophotographic screening process In accordance with the present invention, a method of electrophotographically manufacturing a luminescent screen assembly on an interior surface of a faceplate panel 17 of a color CRT 10 includes the steps of: coating the surface of the panel with a condu... | 12/04/2001 |
| 6312860 | Phosphor composition, phosphor paste, and photosensitive dry film Disclosed are a phosphor composition comprising an inorganic phosphor, capable of emitting blue color upon ultraviolet irradiation, and copper or a copper compound; a phosphor paste comprising the phosphor composition dispersed in a dispersing medium; and... | 11/06/2001 |
| 6300021 | Bias shield and method of developing a latent charge image The invention includes an apparatus 40 for developing a latent charge image formed on a photoreceptor 36 disposed on an interior surface of a faceplate panel 12. The apparatus 40 comprises a developer tank 42 having a sidewall 44 closed at one end by a bo... | 10/09/2001 |
| 6258496 | Stretched mask for color picture tube A stretched mask having a high tensile strength and favorable high-temperature creep properties and free from tape twist, and a material for the stretched mask. A low-carbon steel sheet containing 70 ppm to 170 ppm of nitrogen on a weight basis is heat-tr... | 07/10/2001 |
| 6238829 | Method of manufacturing plasma addressed electro-optical display Disclosed is a method of manufacturing a plasma addressed electro-optical display having a side surface electrode structure. In the display, a display cell is superimposed on a plasma cell. The display cell includes an intermediate substrate, an upper sub... | 05/29/2001 |
| 6214501 | Method for coating phosphor particles, phosphor therethrough and dry electrophotographic screening process using them for a CRT A method for coating phosphor particles with polymers improves chargeability for use of these particles in CRT screens. The method includes injecting the phosphor particles into a reactor with the use of hexane as the solvent and styrene as a monomer. The... | 04/10/2001 |
| 6187487 | Method of developing a latent charge image A method for developing an electrostatic latent charge image formed on a photoreceptor 36 which is disposed on an interior surface of a faceplate panel 12 of a CRT 10 utilizes a developer 40 having a developing chamber 42 with a sidewall 50 closed by a bo... | 02/13/2001 |
| 6126988 | Method for creating a planar aluminum layer in a flat panel display structure A method for forming a planar aluminum layer in a flat panel display structure. In one embodiment, the present invention creates a flat panel display structure having a raised black matrix defining wells within the matrix. The present embodiment then depo... | 10/03/2000 |
| 6090509 | Solution for making photoconductive layers and their electrophotographical manufacturing in CRTs Disclosed is a photoconductive solution which has excellent charge characteristics with easy control of charge amount and is completely volatilized after baking. The solution contains 0.01 to 10 wt. % of one of dialkyl(Cn H2n+1-... | 07/18/2000 |
| 6043596 | Composite shadow mask and cathode ray tube incorporating same A color CRT has a shadow mask formed from a bilayer composite of steel and invar. The thicknesses of steel and invar are chosen to take advantage of the lower thermal expansion coefficient of invar and the room temperature formability and higher modulus o... | 03/28/2000 |
