Patent application number | Description | Published |
20080218060 | PHOSPHOR, LIGHT EMITTING DEVICE USING PHOSPHOR, AND DISPLAY AND LIGHTING SYSTEM USING LIGHT EMITTING DEVICE - A phosphor (A) comprising a host material composed of a compound having a garnet crystal structure represented by the general formula (I): | 09-11-2008 |
20090166584 | MULTINARY OXYNITRIDE PHOSPHOR, AND LIGHT EMITTING DEVICE, IMAGE DISPLAY, ILLUMINATING DEVICE AND PHOSPHOR-CONTAINING COMPOSITION USING THE SAME, AND MULTINARY OXYNITRIDE - To provide a green phosphor with high conversion efficiency of blue of near-ultraviolet light and excellent color purity, a multinary oxynitride phosphor represented by the general formula [I] is proposed. | 07-02-2009 |
20100052515 | ALLOY POWDER FOR AW MATERIAL OF INORGANIC FUNCTIONAL MATERIAL AND PHOSPHOR - The present invention relates to a phosphor comprising a nitride or an oxynitride, comprising an X-ray powder diffraction pattern comprising at least one Region having at least one peak with an intensity ratio I of 8% or less, the X-ray powder diffraction pattern measured in the 2θ range from 10° to 60° using a CuKα line (1.54184 {acute over (Å)}), wherein the Region is the 2θ range from 41.5° to 47°, the intensity of each peak is a value obtained after background correction, and the intensity ratio I is defined by the formula (I | 03-04-2010 |
20100208173 | BLUE COLOR COMPOSITION FOR COLOR FILTER, COLOR FILTER, AND COLOR IMAGE DISPLAY DEVICE - The present invention relates to color image display devices having a combination of light shutters, a color filter having color elements of at least three colors of red, green and blue corresponding to the light shutters, and a backlight for transmission illumination, where the backlight has a phosphor layer or a phosphor film, and the phosphor layer or the phosphor film has a compound having at least element M | 08-19-2010 |
20100213817 | FLUORESCENT MATERIAL, FLUORESCENT DEVICE USING THE SAME, AND IMAGE DISPLAY DEVICE AND LIGHTING EQUIPMENT - To present a green- to yellow-emitting phosphor whereby a light-emitting device having high color rendering properties and high luminance can be obtained, a light-emitting device employing such a phosphor, and an image display device and a lighting system, containing such a light-emitting device. | 08-26-2010 |
20100283383 | PHOSPHOR, LIGHT EMITTING DEVICE USING PHOSPHOR, AND DISPLAY AND LIGHTING SYSTEM USING LIGHT EMITTING DEVICE - A phosphor (A) comprising a host material composed of a compound having a garnet crystal structure represented by the general formula (I): | 11-11-2010 |
20110204389 | ILLUMINATING DEVICE - An illuminating device comprises one or more luminescent devices ( | 08-25-2011 |
20120007115 | PHOSPHOR, LIGHT-EMITTING DEVICE USING SAME, IMAGE DISPLAY AND ILLUMINATING DEVICE - The present invention relates to a phosphor represented by the following general formula (I), comprising: a composite oxide containing a divalent and trivalent metal elements as a host crystal; and at least Ce as an activator element in said host crystal, wherein the phosphor has a maximum emission peak in a wavelength range of from 485 nm to 555 nm in the emission spectrum at room temperature: | 01-12-2012 |
20120262648 | PHOSPHOR AND USE THEREOF - A phosphor which emits light having high brightness, serves as an excellent orange or red phosphor whose light brightness is less decreased when exposed to an excitation source contains a crystal phase having the chemical composition expressed by the general formula [1]: | 10-18-2012 |
20120267997 | LIGHT-EMITTING DEVICE, WHITE LIGHT-EMITTING DEVICE, ILLUMINATOR, AND IMAGE DISPLAY - To achieve a light-emitting device emitting light with high brightness, closer to natural light, and less color shift due to a small change in intensity of emitted light, in a light-emitting device including a light source emitting light by driving current and at least one wavelength-converting material absorbing at least part of the light from the light source and emitting light having a different wavelength, the color coordinate x | 10-25-2012 |
20120275135 | ILLUMINATING DEVICE - An illuminating device comprises one or more luminescent devices ( | 11-01-2012 |
20130141013 | LIGHT EMISSION APPARATUS, ILLUMINATION SYSTEM AND ILLUMINATION METHOD - A light emission apparatus includes: a wiring board; a plurality of LED chips that are disposed on an LED chip mounting surface of the wiring board and are grouped into a plurality of LED groups; a wavelength conversion member that is disposed at a position corresponding to the LED chip mounting surface of the wiring board, converts a wavelength of light emitted by the corresponding LED chips, and emits first-order light with a different color temperature for each wavelength conversion region; a current supply section that supplies a driving current to the LED chips independently for each LED group through the wiring board; and a control section that controls the current amount supplied for each LED group in response to a control signal. The control section independently controls timing of starting to light the LED groups in accordance with the light control level. | 06-06-2013 |
20130234588 | PHOSPHOR AND PRODUCTION METHOD THEREOF, PHOSPHOR-CONTAINING COMPOSITION, LIGHT EMITTING DEVICE, ILLUMINATING DEVICE, DISPLAY, AND NITROGEN-CONTAINING COMPOUND - To provide a new phosphor of which fluorescence contains much red light component and has a large full width at half maximum, the crystal phase represented by the formula [I] is included in the phosphor. | 09-12-2013 |
20130271960 | SEMICONDUCTOR LIGHT EMITTING DEVICE, BACKLIGHT, COLOR IMAGE DISPLAY DEVICE AND PHOSPHOR TO BE USED FOR THEM - To provide a semiconductor light emitting device which is capable of accomplishing a broad color reproducibility for an entire image without losing brightness of the entire image. | 10-17-2013 |
20140042898 | PHOSPHOR, METHOD FOR PRODUCING PHOSPHOR, PHOSPHOR-CONTAINING COMPOSITION, LIGHT-EMITTING DEVICE, LIGHTING SYSTEM AND IMAGE DISPLAY DEVICE - To provide a yellow to orange phosphor which has high luminance and excellent temperature characteristics and which also has high luminance when mixed with a phosphor of a different color. | 02-13-2014 |