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US20130169147 LED LIGHT BULB  
In one embodiment, an LED light bulb includes an LED module, a base part on which the LED module is disposed, and a globe attached to the base part. The LED module includes an ultraviolet to violet...
US20130313966 PHOSPHOR AND LIGHT EMITTING DEVICE  
A phosphor and a light emitting device containing the phosphor are provided. According to an embodiment, the phosphor is expressed in a chemical formula of LxMyCz1Nz2:Aa where L is at least one of...
US20100314993 OXYFLUORIDE PHOSPHORS AND WHITE LIGHT EMITTING DIODES INCLUDING THE OXYFLUORIDE PHOSPHOR FOR SOLID-STATE LIGHTING APPLICATIONS  
A blue-green emitting Ce3+-activated oxyfluoride phosphor for use with a light emitting diode (LED) in solid state lighting applications. The blue-green emitting Ce3+-activated oxyfluoride phosphor...
US20130069522 WAY OF REDUCING LED'S COLOR TEMPERATURE AND COLOR COORDINATES DRIFTING  
The present invention relates to a way of reducing LED's color temperature and color coordinates drifting, more particularly to a phosphor-converted LED with blue ray light emitting body so that...
US20130093307 LED LAMP HAVING TWO LAYERS OF FLUORESCENT POWDER  
An LED lamp has two layers of fluorescent powder, wherein a blue light of 400-530 nm emitted by a blue light LED chip first irradiates on an inner layer of silicate fluorescent powder to excite a...
US20110226314 BLUE PHOSPHORS, WHITE LIGHT ILLUMINATION DEVICES AND SOLAR CELLS UTILIZING THE SAME  
The invention provides phosphors composed of Eu(1-x-w)MaxMbwMgMc10O17, wherein Ma is Yb, Sn, Ce, Tb, Dy, or combinations thereof, and 0
US20130234586 Nitride-Based Red-Emitting Phosphors in RGB (Red-Green-Blue) Lighting Systems  
Embodiments of the present invention are directed to nitride-based, red-emitting phosphors in red, green, and blue (RGB) lighting systems, which in turn may be used in backlighting displays and...
US20100308712 NITRIDE-BASED RED-EMITTING PHOSPHORS IN RGB RED-GREEN-BLUE LIGHTING SYSTEMS  
Embodiments of the present invention are directed to nitride-based, red-emitting phosphors in red, green, and blue (RGB) lighting systems, which in turn may be used in backlighting displays and...
US20090283778 Electroluminescent display useful for displaying a predetermined pattern  
An electroluminescent display comprising semiconductor nanocrystals, wherein the semiconductor nanocrystals are selected to emit light at a predetermined wavelength and are disposed in a...
US20110298358 WARM WHITE LED AND ITS LUTETIUM-BASED PHOSPHOR  
A lutetium-based phosphor having the chemical formula: xLu3Al5O12.yGd3Al5O12:CePrEuTb, and being capable of radiating reddish orange-red spectrum when activated by a shortwave light emitted by an...
US20140175968 YTTRIUM-CERIUM-ALUMINUM GARNET PHOSPHOR AND LIGHT-EMITTING DEVICE  
In a yttrium-cerium-aluminum garnet phosphor having a crystallographic texture, nanocrystalline grains having a grain size of 5-20 nm and containing cerium in a higher concentration than the matrix...
US20140152173 RARE EARTH ALUMINUM GARNET TYPE PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE SAME  
The present invention provides a new phosphor with a controllable emission wavelength without using a number of rare and expensive raw materials in forming the composition. The phosphor includes a...
US20130328478 PHOSPHOR, LIGHT-EMITTING DEVICE AND USE THEREOF  
The present invention provides: a phosphor which can be combined with a blue LED to emit white light having a low color temperature as in the case where the phosphor is used singly, has a broad...
US20130258211 WHITE LIGHT EMITTING DEVICE AND WHITE LIGHT SOURCE MODULE USING THE SAME  
A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red...
US20130113365 METHOD OF PRODUCING COATED PHOSPHOR, COATED PHOSPHOR AND WHITE LIGHT SOURCE  
To provide a coated phosphor having good phosphor characteristics that can maintain light emitting characteristic for a long period of time. A mixing process is prepared in which a phosphor and...
US20110227476 LIGHT EMITTING DEVICE USING ORANGE-RED PHOSPHOR WITH CO-DOPANTS  
Disclosed herein are lighting apparatuses having a light source, a first phosphor, and a second phosphor, wherein the lighting apparatuses exhibit increased R9 values. In some embodiments, the...
US20120286645 LAMP WITH PHOSPHOR COMPOSITION FOR IMPROVED LUMEN PERFORMANCE, AND METHOD FOR MAKING SAME  
Disclosed herein are lamps comprising a radiation source and a phosphor blend configured for conversion of radiation, the phosphor blend including at least two different rare earth phosphors,...
US20130063021 PHOSPHORS AND VISIBLE AND UV LIGHT EMITTING DEVICES UTILIZING THE SAME  
Disclosed is a phosphor having a formula of M(M′1-y-zEuyMnz)(M″1-xPrx)(PO4)2. M is a monovalent metal element selected from Li, Na, K, or combinations thereof. M′, Eu, and Mn are divalent metal...
US20120306354 COATED PHOSPHORS AND LIGHT EMITTING DEVICES INCLUDING THE SAME  
Provided according to embodiments of the invention are method of coating a phosphor that include contacting the phosphor with a sol comprising at least one of silica, alumina, borate and a...
US20140001944 LIGHTING DEVICE  
A lighting device may be provided that includes: a light emitting device; and a phosphor composition which is disposed on the light emitting device, wherein the phosphor composition includes...
US20140015400 Phosphor and light emitting devices comprising same  
A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.
US20120081001 Green Emitting Phosphor  
A green emitting phosphor is provided, allowing the internal quantum efficiency to be increased. The green emitting phosphor comprises a mother crystal containing Sr, Ga and S, and a luminescent...
US20140293608 Reduced-Blue-Light LED Lighting Device, Method of Its Manufacture, and LED Lighting Method  
LED lighting device in which color-mixed light according to a mixture of a blue optical emission spectrum according to the emission from an LED element, a red optical emission spectrum according to...
US20130241397 PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME  
Provided is a phosphor having enhanced luminance with respect to that of conventional β-type sialon phosphors. A phosphor having enhanced luminance is obtained by causing Al, O (oxygen) and Eu to ...
US20110068680 PHOSPHOR, LIGHT EMITTING DEVICE, AND PLASMA DISPLAY PANEL  
The present invention provides a phosphor with high luminance and color purity. The phosphor of the present invention is represented by the general formula: aYO3/2·(3−a)CeO3/2·bAlO3/2·cGaO3/2, wher...
US20110156575 Display Device with Quantum Dot Phosphor and Manufacturing Method Thereof  
A display device and a method of manufacturing the same are provided. The display device includes an illuminate unit and a color filter. The illuminate unit has a light-emitting chip and a...
US20110115366 Light source having phosphor including divalent, trivalent and tetravalent elements  
A phosphor having an excitation band relative to lights in the wide range of wavelengths from ultraviolet to visible light, and having an emission spectrum in the red range and so on, with a wide...
US20120286647 Phosphor converted LED  
The invention is directed to a light emitting comprising a blue emitting LED, a first phosphor layer exited at the emitting wavelength of the LED, which phosphor has an emission wavelength within a...
US20130241394 WHITE LIGHTING DEVICE  
According to the embodiment, a white lighting device includes a semiconductor light-emitting element emitting near-ultraviolet light, and a phosphor layer containing at least a blue-green phosphor...
US20120056528 FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME  
The fluorescent substance according to the embodiment is generally represented by (M1−xECx)aSibAlOcNd, and is a kind of the Sr2Si7Al3ON13 phosphors. The substance is in the form of crystals h...
US20110254435 PHOSPHORS AND WHITE LIGHT ILLUMINATION DEVICES UTILIZING THE SAME  
Disclosed are compositions and synthetic methods of phosphors that can be efficiently excited by blue light. The wavelength of the blue light is between 400 nm to 480 nm. The phosphors contain...
US20130009541 LED LIGHTING DEVICE HAVING A PHOSPHOR COMPOSITION  
There is herein described a phosphor composition for converting the light emitted from LED dies. The phosphor composition has an emission dominant wavelength responsive to an excitation dominant...
US20060022582 White LEDs with tunable CRI  
A method for the manufacturing of white LEDs is proposed, which can achieve a tunable color rendering index (CRI) or luminosity through the use of at least two phosphor composition layers of...
US20130140981 LUMINESCENT SUBSTANCE AND LIGHT SOURCE HAVING SUCH A LUMINESCENT SUBSTANCE  
A blue to yellow emitting phosphor from the class of orthosilicates, which substantially has the structure EA2SiO4:D, wherein the phosphor comprises as component EA at least one of the elements...
US20140175970 PHOSPHOR AND LIGHT EMITTING DEVICE  
A phosphor and a light emitting device are provided. The phosphor comprises a composition having a formula of AaSi5OtNn:EuZ. A is selected from the group consisting of Be, Mg, Ca, Sr and Ba....
US20130207537 Oxycarbidonitride based phosphors and LED lighting devices  
A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.
US20130207536 Carbidonitride phosphors and LED lighting devices using the same  
A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.
US20130147343 PHOSPHOR COMPOSITION, LIGHT EMITTING DEVICE, AND THE METHOD OF PREPARING THE PHOSPHOR COMPOSITION  
There are provided a phosphor and a light emitting device. The phosphor includes a phosphor composition including a rare-earth element employed in a compound represented by the equation: L3Si6N11,...
US20100301738 PHOSPHOR, LIGHT EMITTING DEVICE USING THE SAME AND METHOD OF MANUFACTURING THE PHOSPHOR  
Provided are a phosphor which is capable of emitting green light of high luminance and in which unfavorable effects on other members has been reduced so as to be applicable to white light having...
US20060103295 Non-pixellated display  
A non-pixellated segmented display is disclosed. The display comprises a first electrode having a first pattern, an insulator layer having a second pattern, an electroluminescent layer, and a...
US20130264937 WHITE LIGHT-EMITTING DEVICE AND ILLUMINATION DEVICE  
The present invention provides a technology that allows reducing the used amount of a Mn4+-activated fluoride complex phosphor without loss of luminous efficiency, in a white light-emitting device...
US20130257265 PHOSPHOR-CONVERTED WHITE LED WITH LOW DEVIATION OF CORRELATED COLOR TEMPERATURE AND COLOR COORDINATES AND METHOD OF PREPARING THE SAME  
A light emitting device is provided to produce white light with a stable correlated color temperature and stable color coordinates. The light emitting device includes a blue LED chip and a yellow...
US20100060144 TRI-COLOR WHITE LIGHT LED LAMP  
The invention relates to a tri-color lamp for generating white light comprising a phosphor composition comprising a phosphor of general formula (Ba1-x-y-z-SrxCay)2SiO4:Euz, wherein 0≦x≦1, 0≦y...
US20130241395 PHOSPHORS AND METHOD FOR PRODUCING THEREOF  
The present embodiments provide a europium-activated oxynitride phosphor and a production method thereof. This phosphor emits red luminescence having a peak at 630 nm or longer and can be produced...
US20130002129 PHOSPHOR AND LEDS CONTAINING SAME  
There is herein described a phosphor for use in white pc-LED applications. The phosphor has a composition represented by (Y1-x-yGdxCey)3(Al1-zScz)5O12 wherein 0
US20120176026 (OXY) NITRIDE PHOSPHOR, WHITE LIGHT-EMITTING DEVICE INCLUDING THE (OXY) NITRIDE PHOSPHOR, METHOD OF PREPARING PHOSPHOR, AND NITRIDE PHOSPHOR PREPARED BY THE METHOD  
Provided is an (oxy)nitride phosphor, which is a compound represented by Formula 1 below: {M(1-x)Eux}aSibOcNd wherein,M is an alkaline earth metal; and0
US20140265820 OXYCARBONITRIDE PHOSPHORS AND LIGHT EMITTING DEVICES USING THE SAME  
A family of oxycarbonitride phosphor compositions is provided. Also provided are light emitting devices incorporating the oxycarbonitride phosphor compositions.
US20140009061 WHITE LIGHT SOURCE  
A white light source 1 of an embodiment has color temperature of 2600 [K] or more and less than 3200 [K]. The white light source of the embodiment has a ratio of a minimum emission intensity to a...
US20120019126 OXYNITRIDE PHOSPHORS, METHOD OF PREPARATION, AND LIGHT EMITTING INSTRUMENT  
An oxynitride phosphor is presented. The oxynitride phosphor has a formula: ApBqOrNs: R such that A is barium or a combination of barium with at least one of Li, Na, K, Y, Sc, Be, Mg, Ca, Sr, Ba,...
US20140084782 FLUORESCENT SUBSTANCE, LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCING FLUORESCENT SUBSTANCE  
The fluorescent substance according to the present disclosure emits luminescence with a peak in the wavelength range of 500 to 600 nm under excitation by light with a peak in the wavelength range...