Abstract: A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) which includes an upper substrate on which a plurality of black matrices are formed; and an external light shielding sheet which is disposed at a front of the PDP and includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. A distance between a pair of adjacent black matrices is 4-12 times greater than a distance between a pair of adjacent pattern units. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible.

Abstract: A display apparatus includes a plasma display panel (PDP) and a filter. The PDP has a display surface, and the filter has a panel side facing the display surface of the PDP and an opposing viewer side facing away from the display surface. The filter includes a base unit. The filter also includes pattern units that absorb external light from the viewer side. The pattern units have boundaries that define widths of pattern tops and widths of pattern bottoms. A distance between a pattern top and a pattern bottom defines a pattern height. A distance between adjacent boundaries, of a pair of adjacent pattern units, at adjacent pattern bottoms can be less than a distance between the adjacent boundaries at adjacent pattern tops, less than the pattern height, and greater than a width of at least one of the pattern bottoms.

Abstract: An improved structure of a plasma display apparatus is provided. At least one of an integrated circuit and a driving board is formed over an edge potion of a frame for supporting a plasma display panel. Thus, the plasma display apparatus is manufactured to be thin and light, and also its manufacturing cost decreases.

Abstract: A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) and an external light shield sheet which absorbs external light incident upon the PDP. The external light shield sheet includes a base unit and a plurality of pattern units which are formed in the base unit. Each of the pattern units contains 2-10 weight % of light absorption particles having a size of 1 ?m or less. Since the external light shield sheet which can absorb and shield as much external light as possible is disposed at the front of the PDP, the plasma display device can effectively realize black images and improve bright room contrast.

Abstract: A display apparatus includes a plasma display panel (PDP) having an upper substrate at which black matrices are disposed. The apparatus includes an external light shield having a panel side facing a display surface of the PDP and an opposing viewer side facing away from the display surface. The light shield includes a base unit and includes pattern units that absorb external light from the viewer side. The pattern units have boundaries defined by intersections of the pattern units and the base unit. The boundaries define widths of pattern tops disposed toward the panel side or the viewer side and define widths of pattern bottoms disposed toward the other of the panel side and the viewer side. A distance between a pair of adjacent black matrices is 4 to 12 times greater than a distance between adjacent boundaries, of a pair of adjacent pattern units, at adjacent pattern bottoms.

Abstract: A display apparatus includes a plasma display panel (PDP) and a filter. The PDP has a display surface, and the filter has a panel side facing the display surface of the PDP and an opposing viewer side facing away from the display surface. The filter includes a base unit. The filter also includes pattern units that absorb external light from the viewer side. The pattern units have boundaries that define widths of pattern tops and widths of pattern bottoms. A distance between a pattern top and a pattern bottom defines a pattern height. A distance between adjacent boundaries, of a pair of adjacent pattern units, at adjacent pattern bottoms can be less than a distance between the adjacent boundaries at adjacent pattern tops, less than the pattern height, and greater than a width of at least one of the pattern bottoms.

Abstract: The present disclosure relates to a plasma display device including a plasma display panel and a sheet disposed at a front surface of the plasma display panel to protect the plasma display panel from external light. The sheet includes a base unit formed with a plurality of grooves and a plurality of pattern unit lines formed on the plurality of grooves of the base unit and has a refractive index different from that of the base unit. The number of the pattern unit lines overlapped with any one of a plurality of discharge cells formed in the panel is 8 to 25. A lower end of the pattern unit lines has a width larger than an upper end of the pattern unit lines, and the upper end of the pattern unit lines is closer to the plasma display panel.

Abstract: A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) and a filter which is formed at a front of the PDP. The filter includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. Each of the pattern units includes at least one curved edge. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible.

Abstract: The plasma display device comprises a plasma display panel and the filter which is formed at a front of the plasma display panel, wherein the filter includes an external light shielding sheet which comprises a base unit, and a plurality of pattern units formed on the base unit, wherein a bottom of the pattern units, which is wider than a top of the pattern units, comprises a concave having a curvature. The device can improve bright room contrast. Also, the sharpness of the display images may be enhanced by reducing the bleeding phenomenon of the display images as well as the adhesiveness of the filter may be enhanced by forming the bottom of the pattern units of the external light shielding sheet as a concave shape in which the center area is depressed into the inside.

Abstract: A display apparatus includes a plasma display panel (PDP) and a filter having a panel side facing a display surface of the PDP and an opposing viewer side facing away from the display surface. The filter includes an external light shield having a first base unit and first pattern units. The first pattern units absorb external light from the viewer side and are substantially parallel to a first axis. The filter includes an electromagnetic interference (EMI) shield overlapping the external light shield. The EMI shield includes a second base unit and second pattern units. The second pattern units are conductive and substantially parallel to a second axis. An interior angle between the first axis and the second axis can be within a range of 40 to 50 degrees.

Abstract: A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) and a filter which is disposed at a front of the PDP. The filter includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. A distance between tops of a pair of adjacent pattern units is 1 3.25 times greater than a distance between bottoms of the pair of adjacent pattern units. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible.

Abstract: A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) which includes an upper substrate on which a plurality of black matrices are formed; and an external light shielding sheet which is disposed at a front of the PDP and includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. A distance between a pair of adjacent black matrices is 4-12 times greater than a distance between a pair of adjacent pattern units. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible.

Abstract: Disclosed is a semiconductor package and method for package a semiconductor that has high reliability. A semiconductor package according to the present invention comprises a first substrate on which a circuit pattern and an electrode pad are formed; a second substrate which is adhered to the first substrate and on which a hole is formed; and a solder ball adhered to the electrode pad through the hole formed on the second substrate. Then, the second substrate is used as a solder resist. Accordingly, since the first substrate and the second substrate are formed of same material, the BGA package can be prevented from being cracked and being nonuniform when fired.

Abstract: A filter and a plasma display device using the filter are provided. The plasma display device includes a plasma display panel (PDP) which includes an upper substrate and a lower substrate that are coupled to each other; and a filter which is disposed on the upper substrate. The filter includes an external light shield sheet which includes a base unit and a plurality of pattern units that are formed in the base unit, and a distance between bottoms of a pair of adjacent electrodes that are formed on the upper substrate is 2.5-12 times greater than a distance between a pair of adjacent pattern units. Since the plasma display device includes the external light shielding sheet which can absorb and shield as much external light incident upon the PDP as possible, the plasma display device can effectively realize black images and enhance bright room contrast.

Abstract: The present invention relates to a plasma display device, and a filter formed in a plasma display panel includes an external light shielding sheet which includes a base unit, and a plurality of pattern units that are formed on the base unit, wherein an angle between an electrode that is formed on the substrate adjacent to the filter and the pattern unit is 5° or less. According to the present invention, the plasma display device can effectively realize black images and enhance bright room contrast, as an external light shielding sheet, which absorbs and shields as much external light incident upon a plasma display panel PDP as possible, is disposed at a front of the plasma display panel. In addition, the plasma display device of the present invention may reduce the moire phenomenon, as the patterns of the external light shielding sheet is diagonally formed at an angle with the electrode or the barrier rib formed in the panel.

Abstract: The present invention relates to a filter and a plasma display device thereof. The device includes: a plasma display panel; and a sheet for protecting external light disposed at a front surface of the panel to protect the external light incident upon the panel, wherein the sheet for protecting external light includes a base unit formed with a plurality of grooves and a plurality of pattern unit lines formed on the plurality of grooves of the base unit and having refraction index different from that of the base unit, and the number of the pattern unit lines overlapped with any one of a plurality of discharge cells formed in the panel is 8 to 25. With the present invention, the sheet for protecting external light capable of maximally absorbing and protecting light incident from the external is positioned at the front surface of the display panel so that a black image can be effectively implemented and the bright room contrast and the luminance of the display image can be improved.

Abstract: A flat panel display device is provided. The flat panel display device includes a display panel and a filter which is disposed at a front of the display panel and includes an external light shield layer. A base unit of the external light shield layer satisfies the following equation: 1.5×h3<h4<2.0×h3 where h3 indicates a drop height of a steel ball having a weigh of 5-9 g to generate a crack in a filter including no impact-resistant layer and h4 indicates a minimum drop height of the steel ball that can result in a crack in a filter including the impact-resistant layer. Therefore, the durability of the filter or the display panel against an external impact can be improved.

Abstract: A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) and an external light shield sheet which absorbs external light incident upon the PDP. The external light shield sheet includes a base unit and a plurality of pattern units which are formed in the base unit. Each of the pattern units contains 2-10 weight % of light absorption particles having a size of 1 ?m or less. Since the external light shield sheet which can absorb and shield as much external light as possible is disposed at the front of the PDP, the plasma display device can effectively realize black images and improve bright room contrast.

Abstract: A plasma display panel (PDP) is provided. The PDP includes an upper substrate on which first and second electrodes and a dielectric layer are disposed; and a lower substrate on which a third electrode is formed. The dielectric layer includes a base unit and a plurality of pattern units which are formed in the base unit. In short, a plurality of external light shield patterns for shielding external light are formed in an upper substrate or in an upper dielectric layer of a PDP, and thus, it is possible to effectively realize black images and improve the bright room contrast of a PDP.

Abstract: The present invention relates to a filter and a plasma display device thereof, and the plasma display device includes a plasma display panel; and a filter formed at a front of the plasma display panel, wherein the filter includes external light shielding sheet which is provided with a base unit and a plurality of pattern units formed on the base unit and having a lower refractive index than a refractive index of the base unit, and wherein a cross sectional shape of at least one of the pattern units' edges is a curve. According to the present invention, it is possible to effectively realize black images and enhance bright room contrast by arranging the external light shielding sheet, which absorbs and shields external light from the outside, at the front of the display panel.