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Match Document Document Title
7521853 Shadow mask for cathode ray tube  
A shadow mask for a cathode ray tube is formed with a curved surface such that a radius of curvature corresponding to a perpendicular axis which passes through the center of the shadow mask...
7501748 CRT funnel section  
A Cathode Ray Tube (CRT) includes a panel having long and short axes and a tube axis perpendicular to the long and short axes, the panel including an inner phosphor screen. A funnel is attached to...
7482741 Funnel for slim cathode ray tubes  
Disclosed herein is a funnel for slim cathode ray tubes. The funnel is constructed such that the deflection angle of an electron beam is 120 degrees or more. On the assumption that, at a top of...
7471036 Shadow mask for a cathode ray tube with defined beam passages holes  
A shadow mask for a cathode ray tube has an effective screen portion having a plurality of beam passage holes arranged in a predetermined pattern, and an inactive portion with no beam passage...
7462980 Cathode ray tube  
A cathode ray tube includes a panel with a sealing surface, and a funnel with a sealing surface contacting the sealing surface of the panel. The panel and the funnel each have a thickness varied at...
7368865 Cathode ray tube with a conical portion  
A display tube has an evacuated envelope with a display panel, a cone (or funnel) portion and a neck portion. The cone portion has a cone body portion and a parabolic portion. The contour of the...
7355332 Cathode ray tube  
An image display device includes a cathode ray tube. The cathode ray tube includes a panel with an inner phosphor screen, and a funnel connected to the panel with a cone portion mounting a...
7355331 Cathode-ray tube apparatus  
In a cross-section including a tube axis, assuming that T 1 represents a thickness of a funnel at a point on an outer circumferential surface of the funnel, which is placed at the same position in...
7315114 Display apparatus provided with a light-emitting glass face panel having an inner surface coated with a phosphor layer  
A display apparatus includes a face plate that constitutes a part of a vacuum envelope, a phosphor layer formed on an inner surface of the face plate, and an electron beam source that emits...
7309953 Electron beam pumped laser light source for projection television  
An electron beam pumped laser including a surface-emitting laser faceplate oriented at a non-perpendicular angle. Embodiments are described in which a bending coil bends the electron beam, or in...
7309952 Flat panel with blend round portion structure for use in a cathode ray tube  
A flat panel for a cathode ray tube includes a faceplate portion, a skirt portion and a blend round portion joining the faceplate portion with the skirt portion. A point where an external contour...
7304422 Glass structure of cathode ray tube  
The present invention relates to a cathode ray tube having a glass structure which minimizes a stress according to a cathode ray tube of slim type, having a panel with a phosphor screen formed on...
7298076 Bezel-less electronic display  
A bezel-less display is disclosed that includes an electronic display device and a cover. The electronic display device has an image-displaying portion and another portion adjacent the...
7291964 Color cathode ray tube  
The present invention relates to a color cathode ray tube and more specifically to a color cathode ray tube in which mechanical stress due to internal pressure made by evacuation is decreased....
7279828 Glass panel and a cathode ray tube including the same  
A glass panel for use in a cathode ray tube includes a face portion for displaying images; a skirt portion extending from a periphery of the face portion backwards; and a blend radius portion for...
7256536 Cathode ray tubes  
Cathode-ray tube comprising a glass envelope composed of a substantially rectangular faceplate, of a flared rear part and of a substantially cylindrical neck, the flared part including an anode...
7250714 Cathode ray tube  
A cathode ray tube includes a panel with inner and outer surfaces, a funnel connected to the panel, a neck connected to the rear of the funnel, and a shadow mask mounted within the panel. The inner...
RE39739 Glass bulb for color picture tube and the same tube  
A color picture tube is provided with a glass bulb in which the external surface of the effective display area of the face plate is formed substantially flat and a color selection mask, having the...
7242137 Cathode ray tube with cone having non-circular cross-section  
When we let the aspect ratio of the fluorescent screen of a cathode ray tube be M:N and, in a coordinate system in which the origin is a point on the tube axis and the horizontal axis and vertical...
7221082 Panel for use in a cathode ray tube  
A panel for use in a cathode ray tube includes a face portion for displaying picture images, a skirt portion extending backward from a perimeter of the face portion and a blend radius portion...
7221081 Cathode ray tube having specific panel dimensions  
The present invention relates to a color cathode ray tube and more specifically to a color cathode ray tube in which mechanical stress due to internal pressure made by evacuation is decreased....
7176611 Color cathode ray tube  
A color CRT is disclosed to improve a production yield of a panel by reducing a damage due to a thermal impact in a furnace in a thermal treatment process in fabricating the panel and accomplish a...
7173364 Cathode ray tube and anode button positioned on funnel therefor  
Disclosed are a cathode ray tube and a funnel therefore. An anode button is installed on the funnel to meet the condition of 2.8≦T, in which T is a B/A ratio, A is a distance on a central axis of...
7166957 CRT having a contrast enhancing exterior coating and method of manufacturing the same  
The invention is a cathode-ray tube (CRT) and method of manufacturing the CRT having a contrast enhancing coating on the exterior surface of the viewing faceplate. The contrast enhancing coating...
7157844 Cathode ray tube provided with a faceplate having a convex outer surface and a lens assembly attached therein  
In a projection cathode ray tube device in which a projection cathode ray tube and a projection lens assembly are coupled and held by a coupler, superior focus characteristics and high resolution...
7154215 Color cathode ray tube capable of reducing stress  
A color cathode ray tube has features to decrease mechanical stress due to internal pressure made by evacuation. The cathode ray tube includes a panel on an inner surface of which a phosphor screen...
7148617 Flat cathode-ray tube including a transfer foil laminate adhered to a screen panel  
A reflection type flat cathode-ray tube enhanced in quality of display image, and its manufacturing method are presented. A flat cathode-ray tube is composed by forming a grid layer, a reflective...
7148616 Color picture tube  
A curve formed by an inner surface of a face panel in a cross-section including a tube axis of a color picture tube is defined. The face panel includes at least one cross-section in which the curve...
7148615 Color cathode ray tube  
The present invention enhances the quality of displayed images by enhancing the uniformity of the total transmissivity over the whole surface of a panel having a wavelength selective absorption...
7109647 Lightweight flat screen color cathode ray tube  
A color cathode ray tube includes: a panel whose outer surface is substantially flat and whose inner surface has a predetermined curvature; a funnel coupled with the panel; and a deflection yoke...
7105993 Shadow mask for cathode ray tube having an aperture area in which a curvature of radii in the horizontal and vertical directions satisfy a particular condition  
A shadow mask for a cathode ray tube includes an aperture area having a plurality of apertures passing electron beams, a non-aperture area extending a predetermined distance from a circumference of...
7098585 Cathode ray tube including a funnel with a non-circular shaped funnel yoke portion  
A cathode ray tube includes a panel, a funnel and a funnel yoke portion having a non-circular-shaped vertical section. When a diagonal portion thickness on a certain vertical section between a...
7095166 Cathode ray tube with improved thickness profile  
Disclosed is a cathode ray tube, comprising a panel of which outer surface is substantially flat and inner surface has a designated radius of curvature, a funnel connected to the panel, an electron...
7095165 Color cathode ray tube  
A color CRT comprising a panel having a substantially flat outer surface and an inner surface having a certain curvature, and a mask having a plurality of electron beam passing holes, wherein an...
7093732 CRT funnel with positioning reference portions  
Upper end edges ( 7 a , 7 b , 7 c ) of positioning reference portions ( 5 a , 5 b , 5 c ) to be formed on outer walls of a funnel ( 1 ) for cathode ray tube are formed at distances (downwardly)...
7088035 Glass bulb for a cathode ray tube and a method for producing the same  
The present invention is to obtain a glass bulb of reduced weight, and high safeness and reliability by ion exchanging which assures a compressive stress layer having an effective thickness even to...
7084561 Panel for flat type color cathode ray tube  
A cathode ray tube with a panel includes an inside surface having a designated curvature; a central portion having a transmission rate of 45–75%; and an outside surface being substantially flat...
7075222 Color cathode ray tube  
A color cathode ray tube is provided in which an inner radius of curvature is designed as 0.3≦(Rxe/Rxc)≦0.5, to obtain a structural intensity of a panel mask corresponding to the inner...
7075221 Projection tube having different neck diameters  
The present invention aims at maintaining the high focusing performance at a low deflection power in a single-beam projection tube which is used as a projection type TV receiver or a projector and...
7064486 Locking device for microchannel plate in image amplifier tube  
An image intensifier tube comprising a housing which holds a photocathode and a screen, wherein a microchannel plate is supported in a recess in an interior surface of an annular collar which is...
7061172 Cathode ray tube having improved structure of a flat panel  
A flat color cathode ray tube having excellent doming quality is obtained by improving the structure of a flat panel and by using a shadow mask made of AK (aluminum-killed) material. According to...
7045942 Color picture tube  
The radius of curvature of the outer surface of a panel is 10,000 mm or more, and a shadow mask is made of a material containing 95% or more of iron. A sagging amount change curve along a curve C 1...
7038369 Reinforcing band structure for cathode ray tube  
A cathode ray tube is mounted with a reinforcing band for improving landing stability of electron beams and howling of shadow mask and reinforcing an explosion-proof function.
7026752 Glass funnel and glass bulb for cathode ray tube  
A body portion of the funnel has a first region of dimension h, the dimension h being measured from the seal edge surface in a direction parallel to a tube axis, and a second region excluding the...
7012360 Cathode ray tube apparatus having velocity modulation coil  
A CRT apparatus is composed of a CRT, a deflection yoke, a velocity modulation coil, and a magnetic member. The CRT includes a glass bulb made up of a panel and a funnel connected together and an...
7012359 Color cathode-ray tube  
The mask body satisfies the following conditions, ( Z MD −Z MH )/ L MS ≧0.020, and
7012358 Color cathode ray tube with inner shield mounted to the frame of the mask  
The present invention relates to a color cathode ray tube and more specifically to a color cathode ray tube in which electron beam landing errors caused by terrestrial magnetism are corrected such...
7009332 Shadow mask structure for cathode ray tube  
A cathode ray tube comprising a panel of which an outer surface is substantially flat and an inner surface has a certain curvature, and a shadow mask arranged with a certain interval from an inner...
7005792 Color cathode ray tube  
A color cathode ray tube including: a panel having a substantially flat outer surface and an inner surface having a curvature; a funnel coupled to the panel; a deflection yoke installed at an outer...
7005791 Flat panel for cathode-ray tube  
The present invention is related to a flat panel for cathode-ray tube capable of securing a large viewing area in the flat panel which is fitted into a window of a cabinet. In accordance with the...
Matches 1 - 50 out of 481 1 2 3 4 5 6 7 8 9 10 >