Patent application number | Description | Published |
20080258112 | LUMINESCENT COMPOSITION, LIGHT SOURCE DEVICE, DISPLAY DEVICE AND PROCESS FOR PREPARING LUMINESCENT COMPOSITION - Disclosed is a luminescent composition containing a fluorescent body having Eu2+as a luminescent center. The luminescent composition is obtained by a process including the steps of mixing a raw material of the fluorescent body with an organic compound having elements other than oxygen, and sintering the mixture to form the fluorescent body from the raw material. | 10-23-2008 |
20090009052 | PHOSPHOR, FLUORESCENT LAMP USING THE SAME, AND DISPLAY DEVICE AND ILLUMINATING DEVICE USING FLUORESCENT LAMP - A phosphor includes Eu-activated YVO | 01-08-2009 |
20090115713 | COLOR LIQUID CRYSTAL DISPLAY DEVICE ASSEMBLY - A color liquid crystal display device assembly includes a color liquid crystal display device in which pixels each including at least a first subpixel, a second subpixel, and a third subpixel are arranged in a two-dimensional matrix, and a planar light source device which has light sources emitting first primary light corresponding to a first primary color of the light three primary colors and illuminating the color liquid crystal display device, and the liquid crystal display device has (A) second primary light emitting regions which emit second primary light when excited by the first primary light passing through the second subpixel, (B) third primary light emitting regions which emit third primary light when excited by the first primary light passing through the third subpixel, and (C) diffusion regions which diffuse the first primary light emitted from the light sources and passing through each first subpixel. | 05-07-2009 |
20090289546 | PHOSPHOR AND METHOD FOR MANUFACTURING THE SAME, AND LIGHT-EMITTING DEVICE AND DISPLAY DEVICE USING PHOSPHOR - A phosphor includes (Sr | 11-26-2009 |
20100085727 | LIGHTING DEVICE AND DISPLAY DEVICE HAVING THE SAME - Disclosed herein is a lighting device including a blue light-emitting element adapted to emit a blue light beam; and a green phosphor layer which is disposed apart from the blue light-emitting element and can function as a light diffusion layer, the green phosphor layer including a green phosphor adapted to emit green fluorescence when excited by the blue light beam, the green phosphor having a refractive index of 1.49 or more and a quantum efficiency of 79% or more. | 04-08-2010 |
20100142184 | FLUORESCENT LAMP, LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS - In a fluorescent lamp, an initial chromaticity change can be suppressed. An atmosphere in contact with a blue light-emission phosphor forming a phosphor particle layer 3 that contains argon (Ar) and neon (Ne) shown by the following equation A/(A+N)≧0.04, wherein A represents a mole fraction of argon and N represents a mole fraction of neon. | 06-10-2010 |
20100308711 | LUMINESCENT COMPOSITION, LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - The present invention is to provide a luminescent composition, a light source device, and a display device each having a phosphor for which both avoidance of the shift of the luminescence wavelength band toward the shorter wavelength side and suppression of color unevenness are achieved. A configuration is provided in which a luminescent composition having a phosphor with the same crystal structure as that of CaAlSiN | 12-09-2010 |
20110176084 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A compound is provided containing silicon, aluminum, strontium, europium, nitrogen, and oxygen is used that enables a red phosphor having strong luminous intensity and high luminance to be obtained, and that enables the color gamut of a white LED to be increased with the use of the red phosphor. The red phosphor contains an element A, europium, silicon, aluminum, oxygen, and nitrogen at the atom number ratio of the following formula: [A | 07-21-2011 |
20110273864 | GREEN-EMITTING PHOSPHOR PARTICLES, METHOD FOR MANUFACTURING GREEN-EMITTING PHOSPHOR PARTICLES, COLOR CONVERSION SHEET, LIGHT-EMITTING DEVICE, AND IMAGE DISPLAY DEVICE ASSEMBLY - A method for manufacturing green-emitting phosphor particles including the steps of producing a powder containing europium and strontium from a solution containing a europium compound and a strontium compound, mixing the resulting powder and a powdered gallium compound, and performing firing. | 11-10-2011 |
20120326086 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A compound is provided containing silicon, aluminum, strontium, europium, nitrogen, and oxygen is used that enables a red phosphor having strong luminous intensity and high luminance to be obtained, and that enables the color gamut of a white LED to be increased with the use of the red phosphor. The red phosphor contains an element A, europium, silicon, aluminum, oxygen, and nitrogen at the atom number ratio of the following formula: [A | 12-27-2012 |
20140183411 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A compound is provided containing silicon, aluminum, strontium, europium, nitrogen, and oxygen is used that enables a red phosphor having strong luminous intensity and high luminance to be obtained, and that enables the color gamut of a white LED to be increased with the use of the red phosphor. The red phosphor contains an element A, curopium, silicon, aluminum, oxygen, and nitrogen at the atom number ratio of the following formula: [A | 07-03-2014 |