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WO/2003/094191A1 |
A color cathode ray tube provided with a front shell having an inner and an outer surface and a display screen coating on the front shell comprising a structured phosphor coating with phosphor grids for the colors red, green and blue and...
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WO/2003/094192A1 |
A CRT (10) including an evacuated envelope with a color selection electrode assembly disposed within the envelope, and an internal magnetic shield (IMS) (38) secured to the color selection electrode assembly, and having a replaceable get...
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WO/2003/092035A1 |
An electron beam-excited display panel-use glass spacer capable of being easily erected on a glass substrate while enabling its arrangement on the glass substrate of a display panel, and capable of producing an electron beam-excited disp...
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WO/2003/092034A1 |
A color cathode ray tube, that is fitted with a color screen that comprises a glass face panel, a phosphor coating and a UV-reflective layer that is arranged between the glass face panel and the phosphor coating, the UV-reflective layer ...
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WO/2003/092036A1 |
An electron beam excitation display panel having a strength and a hue that do not deteriorate and exhibiting no shade thereon. The electron beam excitation display panel comprises a pair of glass substrates (15, 21), a support member (3)...
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WO/2003/092038A1 |
An electron beam-excited display panel capable of being efficiently evacuating the inside thereof. A flat-type electron beam display panel comprising a glass substrate provided at the inner surface thereof with an image forming member to...
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WO/2003/092037A1 |
An electron beam excitation display panel in which warp, deformation, breakage of glass spacers (4) is prevented at low cost while the electron beam excitation display panel is assembled. The electron beam excitation display panel compri...
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WO/2003/090447A2 |
A magnetic field compensation winding arrangement for a cathode ray tube includes a magnetic field compensation winding positioned on the cathode ray tube (22) to compensate for an ambient magnetic field. An operational amplifier (U1) is...
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WO/2003/090241A2 |
An electron emitting structure (500) having deflectable electrodes, such as found in grating light valves (GLVs) is provided. In one implementation, the structure (500) includes a substrate (502) having base electrodes (504a, 504b) and g...
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WO/2003/088300A1 |
An image display apparatus comprises a first substrate (10) having an image display face and a second substrate opposite to the first substrate with a gap and provided with electron sources (18) which excite the image display face. Space...
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WO/2003/088296A1 |
The sizes and the depths of inner defects (S) in the face portion (2) of a panel (1) are detected by ultrasonic wave. Preferably, ultrasonic wave is oscillated from the outer surface (2a) side of the face portion (2) toward the inner sur...
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WO/2003/087707A2 |
The present invention is directed towards metallized carbon nanotubes (104), methods for making metallized carbon nanotubes (104) using an electroless plating technique (Fig. 4), methods for dispensing metallized carbon nanotubes onto a ...
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WO/2003/088301A1 |
A vacuum enclosure (15) comprises a first substrate (10) provided with an image display plane (16), and a second substrate (12) disposed oppositely to the first substrate through a gap and provided with a plurality of electron sources (1...
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WO/2003/085627A2 |
A variable pitch color selection mask (30) for configured for an image display apparatus. A substrate (12, 42) having phosphor-based red, green, and blue subpixels is covered by a refraction layer (46). The color selection mask (30) laye...
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WO/2003/085687A2 |
A dynamic focus voltage generator (21) is provided for a tensioned focus mask (30) of a cathode ray tube (10) of video display. The tensioned focus mask (30) includes spaced apart strands (44) and spaced apart crosswires (46) separated f...
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WO/2003/084890A1 |
The invention concerns a spacer designed to maintain a gap between two substrates made of glass sheets, more particularly a gap with limited thickness, generally less than a few millimeters, over the entire surface of the sheet substrate...
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WO/2003/085692A1 |
A cold cathode display device and in particular, a cold cathode display device having a small thickness and large display area. The cold cathode display device can assure withstand voltage by sufficiently departing the anode from the ext...
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WO/2003/085148A1 |
A low-thermal expansion alloy thin sheet wherein the sheet substantially comprises 35 to 37 mass% of Ni, 0.02 mass% or less of C, 0.3 mass% or less of Si, 0.6 mass% or less of Mn, 0.01 mass% or less of P, 0.005 mass% or less of S, 0.01 m...
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WO2003054908A9 |
The invention relates to a cathode ray tube having an electron gun (10) which is provided with a so-called Aberration Reducing Triode (15). The ART (15) pre-focuses the electron beam (EB) such that outer rays in the pre-focus lens (20) a...
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WO/2003/081630A1 |
A getter device for a cathode ray tube has a container (11) releasing getter material during flashing and a screen shield (25) at a first predetermined minimum distance (d1) to the container (11). The screen shield (25) extends, at least...
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WO/2003/081624A2 |
In a method of creating a field electron emission material, vanadium or a vanadium compound is disposed in respective locations of a substrate in order to create a plurality of emission site at said locations, at an average density of at...
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WO/2003/081628A1 |
An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband TWT using the same is disclosed. The helical structure has a helix disposed between the electron-beam-generating apparatus and t...
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WO/2003/081629A1 |
Electron source for generating an electron beam comprising: − at least one cold−emission cathode (20), − a substantially pyramid−shaped emissive electrode (31), covered with a layer (37) of material having a secondary emission co...
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WO/2003/079395A1 |
A color picture tube (10) having a tensioned mask (24) supported by a frame (28) mounted within the tube. The frame is constructed of a carbon steel material, and mask is constructed of a nickel alloy material that expands substantially ...
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WO/2003/077271A1 |
A transmitting type secondary electron surface comprising a secondary electron discharge layer (1) formed of diamond or a material mainly containing diamond, a support frame (21) for reinforcing the mechanical strength of the secondary e...
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WO/2003/077275A1 |
A display device is provided with a display screen (30) for displaying image information, having a predetermined number of luminescent picture elements (35). In operation, an electron beam (45) is generated by an electron gun (40) and en...
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WO/2003/077274A1 |
Deflection system for a cathode−ray tube comprising a pair of vertical deflection coils and a pair of horizontal deflection coils, the two pairs being electrically insulated by a separator. The system also comprises auxiliary coils mod...
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WO/2003/074439A1 |
A glass funnel suitable for an electric-field-applying chemical strengthening method without compromise in cathode ray tube safety. A cathode ray tube-use glass funnel, wherein the glass of a body (3) contains at least Na2O and K2O, elec...
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WO/2003/075304A1 |
A display tube having a glass front panel, an inner surface of the front panel carrying a phosphor pattern embedded in a black matrix, wherein a glass front panel has an outer surface with a transparent plastic sheet adhered thereto, the...
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WO/2003/071573A1 |
A color cathode ray tube comprising a panel (4) on which a fluorescent surface (9) is formed, a funnel (8), an electron gun (13), a color selection electrode structure (3) installed to face the fluorescent surface, and a V-shaped support...
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WO/2003/071576A1 |
An outer device includes a first substrate (12) having an image display plane and a second substrate arranged to oppose and at a distance from the first substrate. On the second substrate, a plurality of electron sources (18) exciting th...
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WO/2003/071574A1 |
The invention relates to electron injectors used for television kinescopes, X-ray tubes and electron accelerators. The inventive electron injector comprises a flat auto-emission cathode, a suspended flat control conductive grid which con...
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WO/2003/071575A1 |
A deflection yoke and a cathode ray tube device with the yoke, the cathode ray tube device with the yoke wherein a generally truncated pyramid-shaped yoke mounting part is provided on a vacuum envelope, the deflection yoke fitted to the ...
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WO/2003/070997A1 |
A steel sheet for inner magnetic shield made so that the ratio of non-hysteretic magnetic permeability between rolling direction and direction normal to rolling direction is not more than 0.7 or not less than 1.4, or preferably not more ...
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WO/2003/070996A1 |
A low thermal expansion thin alloy film which substantially has a chemical composition, in mass %: Ni: 30 to 34 %, Co: 2 to 6 %, Mn: 0.6 % or less, Al: 0.1 % or less, C: 0.02 % or less, Si: 0.3 % or less, P: 0.01 % or less, s: 0.005 % or...
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WO/2003/069006A1 |
A mask material for a color picture tube excellent in tensile strength, creep extension, and magnetic characteristics. A low carbon steel to which Ni, Al, and Ti, or Ni, Al, Ti, and B are added is subjected to hot rolling, pickling, prim...
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WO/2003/065425A2 |
An emitter (50,100) includes an electron supply (60) and a tunneling layer (20) disposed on the electron supply. A cathode layer (14) is disposed on the tunneling layer. A conductive electrode (53) has multiple layers of conductive mater...
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WO/2003/065400A2 |
A cap, intended to protect an electron gun, particularly a field emission electron gun, during manufacture of a tube. The cap comprises an aperture, and an attenuator to block the aperture during at least one point in time. The attenuato...
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WO/2003/063194A1 |
In order to obtain a lightweight glass bulb having high safety and reliability by chemical reinforcement ensuring a compression stress layer of effective thickness even for a high tensile vacuum stress, a fractural region of low mechanic...
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WO/2003/062919A1 |
A method for photo-imageable lacquer deposition for a display device. In one embodiment, a layer of photo-imageable lacquer is deposited on top of a faceplate of a display device. Portions of the lacquer layer are removed and selected po...
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WO/2003/060943A1 |
The invention relates to a method for manufacturing a glass funnel for a cathode ray tube, the funnel comprising a cone portion and a substantially cylindrical neck portion. The cone portion is manufactured in at least two parts, which a...
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WO/2003/058670A2 |
The invention provides an improved vibration damper (46) for use in a tension mask assembly (10) of a CRT (1). The improved vibration damper is provided along edges (42) of a tension mask (30) which is attached to a support frame (20). T...
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WO/2003/056534A1 |
A vacuum envelope (10) of an image display device comprises a rear substrate (12) and a front substrate (11) which face oppositely and incorporates electron emission elements (22). The front substrate and rear substrate are sealed via a ...
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WO/2003/054905A1 |
Colour cathode-ray tube comprising a glass faceplate, on which a screen of phosphors is deposited and a frame/colour selection mask assembly, the mask being held by welding to the frame, the frame/mask assembly being suspended inside the...
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WO/2003/054906A2 |
The invention relates to a method for providing a glass panel (2) of a color display tube (1) with suspension pins (24) for suspending a mask box (22) in a nominal position from said panel (2), the mask box (22) comprising resilient susp...
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WO/2003/054907A1 |
A cathode ray tube (400) comprising an electron source and an extraction electrode (140) provided with an electrode aperture (170). The extraction electrode (140) is arranged to produce an electric field so as to effect the transport of ...
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WO/2003/052788A2 |
The present invention provides a focus mask (30) and frame assembly (10) for a cathode ray tube (1). The cathode ray tube includes an evacuated envelope (2) enclosing a luminescent screen (12), a focus mask, and a support frame (20) havi...
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WO/2003/052787A2 |
The invention relates to a cathode ray tube (CRT) having an electron gun (1), which is provided with a beam-forming part (20) for forming an electron beam (EBR, EBG, EBB). The electron beam is imaged onto a display screen (3) by means of...
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WO/2003/050838A1 |
The present invention relates to cathode ray tubes (10) and specifically to a cathode ray tube having an improved electrical connector (40). The tube comprises a faceplate panel (18) and a funnel-shaped back section having a neck (14) co...
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WO/2003/050837A1 |
Impregnated cathode for a vacuum tube comprising an emissive part in the form of a porous pellet 11 impregnated with a compound of alkaline earth metals; the pellet is placed in a dish 12 made of a refractory material and covered with a ...
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