Abstract: The present invention provides a plasma display device that has light emission properties with short persistence where green light has a persistence time of 3.5 msec or less, that is excellent in luminance, luminance degradation resistance, and color tone, and that is suitable for, for example, a stereoscopic image display device.

Abstract: A protective layer of a plasma display panel includes a base layer formed on a dielectric layer, and a plurality of aggregated particles dispersed on an entire surface of the base layer. Phosphor layers include a green phosphor layer containing an Mn2+ activated short persistent green phosphor whose 1/10 afterglow time exceeds 2 msec and stays below 5 msec, and a Ce3+ activated green phosphor or an Eu2+ activated green phosphor having a luminescence peak in a wavelength region of at least 490 nm to less than 560 nm.

Abstract: The present invention provides a plasma display device that has light emission properties with short persistence where green light has a persistence time of 3.5 msec or less, that is excellent in luminance, luminance degradation resistance, and color tone, and that is suitable for, for example, a stereoscopic image display device.

Abstract: Ribs for defining pixel cells are formed in the shape of a lattice, and sustain electrodes and scan electrodes are disposed near the ribs. The electrodes are spaced apart in each pixel cell, and the sustain electrode and the scan electrode are each cut away between pixel cells arranged in the row direction to provide each pixel cell with individually separated electrodes. In addition, between pixel cells adjacent to each other in the row direction, the sustain electrodes and the scan electrodes are connected to each other by means of a sustain-side bus electrode and a scan-side bus electrode, respectively. This makes it possible to provide a high luminous efficiency. Furthermore, each pixel cell is provided with a wide distance between the electrodes and thereby with a large effective opening portion. Thus, this provides only a small amount of reduction in intensity when the electrodes are spaced apart between the pixel cells arranged in the row direction in order to increase the luminous efficiency.

Abstract: Ribs for defining pixel cells are formed in the shape of a lattice, and sustain electrodes and scan electrodes are disposed near the ribs. The electrodes are spaced apart in each pixel cell, and the sustain electrode and the scan electrode are each cut away between pixel cells arranged in the row direction to provide each pixel cell with individually separated electrodes. In addition, between pixel cells adjacent to each other in the row direction, the sustain electrodes and the scan electrodes are connected to each other by means of a sustain-side bus electrode and a scan-side bus electrode, respectively. This makes it possible to provide a high luminous efficiency. Furthermore, each pixel cell is provided with a wide distance between the electrodes and thereby with a large effective opening portion. Thus, this provides only a small amount of reduction in intensity when the electrodes are spaced apart between the pixel cells arranged in the row direction in order to increase the luminous efficiency.

Abstract: Ribs for defining pixel cells are formed in the shape of a lattice, and sustain electrodes and scan electrodes are disposed near the ribs. The electrodes are spaced apart in each pixel cell, and the sustain electrode and the scan electrode are each cut away between pixel cells arranged in the row direction to provide each pixel cell with individually separated electrodes. In addition, between pixel cells adjacent to each other in the row direction, the sustain electrodes and the scan electrodes are connected to each other by means of a sustain-side bus electrode and a scan-side bus electrode, respectively. This makes it possible to provide a high luminous efficiency. Furthermore, each pixel cell is provided with a wide distance between the electrodes and thereby with a large effective opening portion. Thus, this provides only a small amount of reduction in intensity when the electrodes are spaced apart between the pixel cells arranged in the row direction in order to increase the luminous efficiency.

Abstract: Fluorescent material used for a plasma display panel contains particles having various diameters wherein X1/Y is equal to or smaller than 10% where X1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in the fluorescent material.

Abstract: Ribs for defining pixel cells are formed in the shape of a lattice, and sustain electrodes and scan electrodes are disposed near the ribs. The electrodes are spaced apart in each pixel cell, and the sustain electrode and the scan electrode are each cut away between pixel cells arranged in the row direction to provide each pixel cell with individually separated electrodes. In addition, between pixel cells adjacent to each other in the row direction, the sustain electrodes and the scan electrodes are connected to each other by means of a sustain-side bus electrode and a scan-side bus electrode, respectively. This makes it possible to provide a high luminous efficiency.

Abstract: Ribs for defining pixel cells are formed in the shape of a lattice, and sustain electrodes and scan electrodes are disposed near the ribs. The electrodes are spaced apart in each pixel cell, and the sustain electrode and the scan electrode are each cut away between pixel cells arranged in the row direction to provide each pixel cell with individually separated electrodes. In addition, between pixel cells adjacent to each other in the row direction, the sustain electrodes and the scan electrodes are connected to each other by means of a sustain-side bus electrode and a scan-side bus electrode, respectively. This makes it possible to provide a high luminous efficiency. Furthermore, each pixel cell is provided with a wide distance between the electrodes and thereby with a large effective opening portion. Thus, this provides only a small amount of reduction in intensity when the electrodes are spaced apart between the pixel cells arranged in the row direction in order to increase the luminous efficiency.

Abstract: Fluorescent material used for a plasma display panel contains particles having various diameters wherein X1/Y is equal to or smaller than 10% where X1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in the fluorescent material.

Abstract: A plasma display panel is provided with a transparent substrate, and scanning electrodes and sustaining electrodes formed on the transparent substrate extending in a first direction. An area of the scanning electrode is smaller than an area of the sustaining electrode in each of display cells. The widths of the scanning electrode and the sustaining electrode in a second direction crossing the first direction are substantially equal to each other.

Abstract: A plasma display panel has an improved cell electrode structure including: a pair of sustaining and scanning electrodes which are approximately similar or equal in area to each other, and which are different from each other in pattern shape. Each of the scanning electrode alignments further includes a plurality of scanning electrodes. Adjacent two of the scanning electrodes are separated from each other by the separation wall. Each of the sustaining electrode alignments further includes a plurality of sustaining electrodes. Adjacent two of the sustaining electrodes are separated from each other by the separation wall.

Abstract: A color CRT equipped with a slot type shadow mask is provided, which enables to reduce the moire phenomenon without deteriorating its vertical resolution. The color CRT contains a shadow mask having slots allowing selectively electron beams to arrive at the phosphor screen through the mask. Each of the slots has an vertically elongated shape. The slots are arranged horizontally at a fixed horizontal pitch, and vertically at a fixed vertical pitch. At least two vertically adjacent ones of the slots have a bridge area therebetween. Each of the bridge areas serves as an electron-beam stopping area. In addition, at least two horizontally adjacent ones of the slots are vertically shifted at a fixed value equal to or greater than a half of the vertical pitch. The electron beams are scanned perpendicular to the slots. The vertical pitch of the slots is set at a value ranging from 0.2 mm to 0.5 mm. Each of the bridges preferably has a fixed vertical width ranging from 0.02 mm to 0.08 mm.

Abstract: Each cell of a PDP is provided with a pair of narrow and substantially U-shaped plane electrodes, which are connected to a corresponding trace electrode at the open ends thereof (located at the respective non-discharging gap sides) to operate as scan electrode and common electrode. A plane discharging gap is defined between the closed front ends of the plane electrodes. The plane electrodes have a curved profile at the front ends thereof with the highest point located at the longitudinal central axis of the cell. With this arrangement, the effective length of the plane electrodes can be increased without increasing the surface area of the plane electrodes so that the plane electrodes overlap the data electrode at the front ends thereof over an expanded area.

Abstract: 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 second wall thereof. The second recess has a smaller size than that of the first recess. The first wall is formed of a first wall portion defined by an inner surface of the first recess and a second wall portion defined by an inner surface of the second recess. The second wall portion of through-holes located at a peripheral region of the first region has a configuration such that electron beams reflected therefrom are directed to an inner surface of the first recess to thereby reduce electron beams reflected therefrom in directions different from a direction in which the electron beams are originally directed before the electron beams enter the shadow mask.

Abstract: A plasma display panel has an improved cell electrode structure including: a pair of sustaining and scanning electrodes which are approximately similar or equal in area to each other, and which are different from each other in pattern shape. Each of the scanning electrode alignments further includes a plurality of scanning electrodes. Adjacent two of the scanning electrodes are separated from each other by the separation wall. Each of the sustaining electrode alignments further includes a plurality of sustaining electrodes. Adjacent two of the sustaining electrodes are separated from each other by the separation wall.

Abstract: A color cathode ray tube apparatus is provided to reduce the amount of deflection power required, this apparatus having a panel part, on the inside surface of which is formed a phosphor film that emits three primary colors, a funnel part that has its expanded aperture joined to the panel part and a funnel-shaped part, a neck part in which is housed an electron gun structure, and which is joined to the reduced-diameter &phgr; a aperture of the funnel part, and a deflection yoke that is disposed between the funnel part and the neck part, the neck part being formed by a main part that houses the electron gun structure and a reduced-diameter part to which are attached the deflection yokes. The funnel part has a quadrangular pyramid shape at the end that is joined to the neck part, and this can also be used for attachment of the deflection yoke.

Abstract: A plasma display panel is provided with a transparent substrate, and scanning electrodes and sustaining electrodes formed on the transparent substrate extending in a first direction. An area of the scanning electrode is smaller than an area of the sustaining electrode in each of display cells. The widths of the scanning electrode and the sustaining electrode in a second direction crossing the first direction are substantially equal to each other.

Abstract: A color shadow mask assembly includes a shadow mask spaced apart from an inner surface of a face panel by a predetermined gap and having a curved surface, and a rectangular frame for supporting and fixing the shadow mask. The shadow mask and the frame are integrally formed by welding to fix a side wall of the frame to a skirt of the face panel. The skirt alternately overlaps inner and outer surfaces of the side wall of the frame at opposite surfaces between the skirt of the shadow mask and the side wall of the frame.

Abstract: Each cell of a PDP is provided with a pair of narrow and substantially U-shaped plane electrodes, which are connected to a corresponding trace electrode at the open ends thereof (located at the respective non-discharging gap sides) to operate as scan electrode and common electrode. A plane discharging gap is defined between the closed front ends of the plane electrodes. The plane electrodes have a curved profile at the front ends thereof with the highest point located at the longitudinal central axis of the cell. With this arrangement, the effective length of the plane electrodes can be increased without increasing the surface area of the plane electrodes so that the plane electrodes overlap the data electrode at the front ends thereof over an expanded area.