Abstract: A flat panel display and a method of manufacturing the same are disclosed. In one embodiment, the flat panel display includes a substrate, a plurality of pixels formed on the substrate, and a light resonating layer formed on the subpixels. Each of the pixels includes subpixels that emit red light, green light, and blue light, respectively. The light resonating layer includes two or more layers and varies in thickness depending on the colors of the light emitted from the subpixels.

Abstract: An organic electroluminescent display device and a method of producing the same are provided. The organic electroluminescent display device includes: a substrate; and an organic electroluminescent unit formed on a surface of the substrate and including a first electrode, an organic layer and a second electrode sequentially deposited on the substrate, in which the organic electroluminescent display device includes a diffraction grating layer having low refractive gratings and high refractive gratings alternately formed parallel to the substrate, and a high refractive layer formed on the diffraction grating layer interposed between the substrate and the first electrode.

Abstract: The invention is directed to an organic electroluminescent (EL) display device having an improved light extracting efficiency due to a photonic crystal layer formed proximate one side of a stack. Among other elements, the stack may include a first electrode formed on a substrate, an organic light emitting layer formed above the first electrode, and a second electrode formed above the organic light emitting layer. Additionally, the photonic crystal layer may be configured to correspond to a wavelength of colored light. An organic EL display device having an improved light extracting efficiency may be manufactured using a thermal transfer donor film to adhere the photonic crystal layer to the stack.

Abstract: A plasma display panel including phosphor layers having zeta potentials of the same polarity. In one embodiment, the phosphor layers have positive zeta potentials and have a uniform discharge characteristic and a uniform lifetime, and an address discharge of the plasma display panel can be easily caused, and damage on phosphor layers of the plasma display panel due to positive charges during a sustain discharge of the plasma display panel can be reduced.

Abstract: Phosphor mixtures for phosphor layers of plasma display devices are provided. The phosphor mixture includes a first compound selected from compounds represented by Gd1-yTbyAl3(BO3)4 (0.05?Y?0.8) and compounds represented by YBO3:Tb3+, and a second compound represented by Zn(Ga1-XAlx)2O4:Mn2+ (0.2?X?0.8). The first compound and second compound are mixed in a weight ratio ranging from about 3:7 to about 6:4. The inventive phosphor mixtures exhibit reduced decay times, thereby increasing color reproducibility and improving brightness characteristics.

Abstract: An electroluminescence (EL) display device with improved external light coupling efficiency and brightness that can be easily manufactured and a method of manufacturing the EL display device are disclosed. In one embodiment, the EL display device includes a substrate, a first electrode formed above the substrate, a second electrode formed above the first electrode and facing the first electrode, a first intermediate layer including a luminescence layer and disposed between the first and second electrodes, a color converting layer disposed on top of the second electrode and a diffraction grating disposed between the second electrode and the color converting layer.

Abstract: A green phosphor, including a first phosphor represented by Formula 1: (Y3-xCex)aAlbOc??(1), wherein x, a, b, and c satisfy the relations: 0<x?1, 0.5?a?3, 3?b?9, and 2c=9a+3b; and a second phosphor including at least one of: Zn2SiO4:Mn, YBO3:Tb, Y(1-x1)Gdx1Al3(BO3)4:Tb, wherein x1 satisfies the relation 0?x1?1, Li2Zn(Ge,?)zO8:Mn, wherein ? includes Al or Ga, and z satisfies the relation 3?z?4, BaMgAl10O17:Mn, BaMgAl12O19:Mn, and Zn(Ga1-x2Alx2)2O4:Mn, wherein x2 satisfies the relation 0.2?x2?0.8.

Abstract: A phosphor composition including a first phosphor represented by Formula 1: Ba1?bMg1?aAl10O17:Mna,Eub ??(1). In Formula 1, a and b satisfy the relations: 0.05?a?0.4, and 0.006?b<0.05.

Abstract: The phosphor composition including a first phosphor represented by Formula 1: Y3?x?kCekM?xAla?yM?yO(1.5a+4.5)??(1). In Formula 1, M? includes at least one of Sc, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, k, and a satisfy the relations: 0.0?x<3.0, 0.0<y?7.0, 0.0<k<0.1, 4.0?a?7.0, a?y?0.0, and x+k?3.0.

Abstract: A phosphor composition for a display device, including a phosphor represented by Formula 1: Y3-x-k-zCekMzM?xAla-yM?yO(1.5a+4.5) ??(1). In Formula 1, M includes at least one of Tb, Dy, and Eu, M? includes at least one of Sc, Gd, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, z, k, and a represent molar ratios and satisfy the relations: 0.0?x<3.0, 0.0?y?7.0, 0.0<k<0.1, 0.0<z<0.5, 4.0?a?7.0, a-y?0.0, x+k+z?3.0, and 0.01?z/k?20.

Abstract: A red phosphor, including a first phosphor represented by Formula 1 (Y1-x1Mx1)2-y1O3:Euy1 ??(1). In Formula 1, M includes at least one of Gd, La, Sc, and Lu, and x1 and y1 satisfy the relations: 0.00?x1?0.8 and 0.025?y1?0.20.

Abstract: A flat panel display and a method of manufacturing the same are disclosed. In one embodiment, the manufacturing method includes: i) preparing a substrate, ii) forming a plurality of subpixels on the substrate and iii) forming a light resonating layer including two or more layers on the subpixels, wherein the light resonating layer varies in thickness depending on the subpixels. According to at least one embodiment, it is possible to improve the brightness and the external light coupling efficiency. Further, it is possible to easily manufacture the light resonating layer with the structure in which the low refractive layers alternate with the high refractive layers.

Abstract: A flat panel display can include a transparent substrate, a light emitting device formed on a surface of the transparent substrate, and a prism sheet formed on the other surface of the transparent substrate and having a plurality of polygonal protruding members having lengthwise axes parallel to one another to direct light output from the light emitting device in a predetermined direction. The sum of the thickness of the transparent substrate and the thickness of a portion of the prism sheet excluding the polygonal protruding members can be about 0.1 to about 0.5 mm.

Abstract: An organic light emitting device (OLED) and a method for manufacturing the same are disclosed. In one embodiment, the OLED includes i) a pixel layer having a first electrode, a second electrode, and a light emitting portion interposed between the first electrode and the second electrode and having at least an emission layer, ii) a transparent member disposed in a direction in which light generated from the pixel layer is transmitted, iii) a diffraction grating disposed between the pixel layer and the transparent member, and iv) a low-refractive layer made of a material having a refractive index less than that of a material forming the transparent member, the low-refractive layer disposed between the diffraction grating and the transparent member. The OLED can prevent image spreading and deterioration in color purity while having enhanced light coupling efficiency.

Abstract: An electroluminescence display device including a substrate, a corrugated structure formed on the substrate, wherein the corrugated structure disperses light through diffraction and reflection; and a first electrode layer, a first insulation layer, a fluorescent layer, a second insulation layer, and a second electrode layer sequentially formed on the substrate to follow the shape of the corrugated structure.

Abstract: An inorganic electroluminescent display device including a substrate, a first electrode formed on the substrate, a first insulation layer formed on the first electrode, a luminescent layer formed on the first insulation layer, a second insulation layer formed on the luminescent layer, and a second electrode formed on the second insulation layer. A diffraction grid is provided at at least one of a first interface between the first insulation layer and the luminescent layer and a second interface between the second insulation layer and the luminescent layer.

Abstract: An electroluminescence display device including a substrate, a corrugated structure formed on the substrate, wherein the corrugated structure disperses light through diffraction and reflection; and a first electrode layer, a first insulation layer, a fluorescent layer, a second insulation layer, and a second electrode layer sequentially formed on the substrate to follow the shape of the corrugated structure.

Abstract: A Plasma Display Panel (PDP) includes a dielectric layer having a plurality of dielectric-layer perforated holes arranged in a matrix; and upper and lower electrode layers having electrode-layer perforated holes connected to the dielectric-layer perforated holes and arranged on both surfaces of the dielectric layer; the upper electrode layer includes a plurality of first electrodes extending in a first direction, the plurality of first electrodes surrounding a group of electrode-layer perforated holes arranged in the first direction; and the lower electrode layer includes a plurality of second electrodes extending in a second direction different from the first direction, the plurality of second electrodes surrounding a group of electrode-layer perforated holes arranged in the second direction.

Abstract: An electroluminescence display device including a substrate, a corrugated structure formed on the substrate, wherein the corrugated structure disperses light through diffraction and reflection; and a first electrode layer, a first insulation layer, a fluorescent layer, a second insulation layer, and a second electrode layer sequentially formed on the substrate to follow the shape of the corrugated structure.

Abstract: A flat panel display and a method of manufacturing the same are disclosed. In one embodiment, the flat panel display includes a substrate, a plurality of pixels formed on the substrate, and a light resonating layer formed on the subpixels. Each of the pixels includes subpixels that emit red light, green light, and blue light, respectively. The light resonating layer includes two or more layers and varies in thickness depending on the colors of the light emitted from the subpixels.