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8153025 |
Red emitting luminescent materials
The invention relates to an improved red light emitting material of the formula M1−yA1+xSi4−xN7−x−2yOx+2y:RE whereby M is selected out of the group comprising Ba, Sr, Ca, Mg or mixtures thereof...
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8147716 |
Red phosphor and plasma display panel including same
A red phosphor includes yttrium (Y), gadolinium (Gd), an alkaline-earth metal element, and europium (Eu). A plasma display panel (PDP) includes the red phosphor.
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8137586 |
Phosphor blend for a compact fluorescent lamp and lamp containing same
A phosphor blend for a compact fluorescent lamp is described wherein the phosphor blend comprises a green-emitting Tb3+ phosphor, a Y2O3:Eu3+ phosphor, a Sr6BP5O20:Eu2+ phosphor, a Mg4GeO5.5F:Mn4+...
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8089084 |
Light emitting device
A light emitting device can be characterized as including a light emitting diode configured to emit light and a phosphor configured to change a wavelength of the light. The phosphor substantially...
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8044572 |
Light conversion structure and light-emitting device using the same
A light conversion structure ensuring good light transmission and less deterioration and capable of controlling light to a desired color tone and emitting a highly bright light, and a...
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8043528 |
Luminescent material
A luminescent material is provided, which comprises a crystalline phase including Y, Si, O and N, and an activator comprising Tb and Ce.
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8030834 |
Flat display device, plasma device panel and field emission containing phosphor coated with a heat-resistant material
Provided are a phosphor paste composition, a flat display device including the same, and a method of manufacturing the flat display device. The phosphor paste composition contains a phosphor with...
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8017038 |
Green phosphor and plasma display panel including the same
A green phosphor, a plasma display panel (PDP) including the same, and a method for making the same. In one example, the green phosphor includes strontium (Sr); aluminum (Al); europium (Eu); and at...
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8012372 |
Borate phosphor and white light illumination device utilizing the same
The invention provides borate phosphors composed of Ma(Mb)1-xBO3:(Mc)x, wherein Ma is Li, Na, K, Rb, Cs, or combinations thereof, Mb is Mg, Ca, Sr, Ba, Zn or combinations thereof, Mc is Y, La, Pr,...
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8007684 |
Oxynitride fluorescent material and light-emitting device
The invention has for its object the provision of an oxynitride fluorescent material has higher emission luminance than conventional rare earth element-activated sialon fluorescent materials. To...
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7851808 |
Nitride semiconductor light emitting diode
A nitride semiconductor light emitting diode (LED) comprises an n-type nitride semiconductor layer; an electron emitting layer formed on the n-type nitride semiconductor layer, the electron...
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7846351 |
Fluorescent substance, process for producing the same, and luminescent device
This invention provides a blue phosphor, which has higher blue brightness and larger half-value width in an emission spectrum as compared with the conventional rare earth-activated sialon phosphor...
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7527748 |
Phosphor and phosphor film for electron beam excitation and color display apparatus using the same
To provide a phosphor for an electron beam excitation with a small deterioration in an emission efficiency and capable of maintaining a high luminance, even when an excitation density of an...
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7429340 |
Phosphor paste composition and method of manufacturing flat display device using the same
Provided are a phosphor paste composition, a flat display device including the same, and a method of manufacturing the flat display device. The phosphor paste composition contains a phosphor with...
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7361417 |
Phosphor layer, image display device employing the same and method for making the phosphor layer
A phosphor layer having improved contrast and brightness characteristics and a display device including the same are provided. The phosphor layer is made out of an ultra-fine pigment, a dispersant,...
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7334916 |
Illumination device
An electrical illumination device for generating saturated colors with at least two illumination units. The illumination units each have a discharge vessel with a low-pressure discharge and a...
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7208103 |
Quantum-splitting fluoride-based phosphors, method of producing, and devices incorporating the same
A quantum-splitting phosphor has a formula of ADF5:Pr3+, wherein A is at least one alkaline-earth metal and D is at least one Group-IIIB metal. The phosphor is made in a solid-state method without...
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7202594 |
Display device panel with an emitting fluorescent film composed of red fluorescent particles covered with a red pigment
A display device which includes, a display panel, a red emitting fluorescent film, a green emitting fluorescent film, and a blue emitting fluorescent film, each of the fluorescent films being...
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7176612 |
LED device and portable telephone, digital camera and LCD apparatus using the same
An LED device at least including a blue light emitting element having peak emission wavelength of 420 nm to 480 nm, a green fluorescent substance having peak wavelength of fluorescent spectrum in...
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7161287 |
Green emitting yttrium silicate phosphor and cathode-ray tube using the same
The present invention provides a green emitting yttrium silicate phosphor, which has an improved temperature characteristic and life, and a cathode-ray tube using it. A green emitting yttrium...
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7153451 |
Phosphors and related manufacturing method, display device, and fluorescent lamp
Phosphors having high luminescence characteristics are provided while achieving manufacturing cost reductions by minimizing the usage amount of Eu, the luminescence center. Also provided are a...
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7138756 |
Phosphor for electron beam excitation and color display device using the same
A phosphor, which has less reduction in emission efficiency and is capable of keeping high luminance even when density of an electron beam for exciting the phosphor increases, is provided. As raw...
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7122128 |
Phosphors containing borate of terbium, alkaline-earth, and Group-3 metals, and light sources incorporating the same
A phosphor comprises a borate of terbium, at least an alkaline-earth metal, and at least a Group-3 metal. In one embodiment, the phosphor has a formula of A3(D1-xTbx)3(BO3)5; wherein A is at least...
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7056451 |
Phosphors containing boron and rare-earth metals, and light sources incorporating the same
A phosphor comprises a material having a formula of AB3O6:Ce,Mn, wherein A is at least a rare-earth metal other than cerium. The phosphor can be used in light sources and displays.
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7053551 |
Zinc silicate system phosphor, method for producing the same, zinc silicate system phosphor paste, and display device
At least one kind of a rear earth element or an alkaline earth metal element is activated together with manganese in a zinc silicate system phosphor, and a mean particle size of the phosphor is...
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7019452 |
Boron-containing red light-emitting phosphors and light sources incorporating the same
A boron-containing phosphor comprises a material having a formula of AD1−xEuxB9O16, wherein A is an element selected from the group consisting of Ba, Sr, Ca, Mg, and combinations thereof; D is at l...
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6960310 |
Phosphor for vacuum ultraviolet ray-excited light-emitting element
A phosphor for vacuum ultraviolet ray-excited light-emitting elements which comprises a compound represented by the following formula (I):...
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6919676 |
Discharge lamp having overlaid fluorescent coatings and methods of making the same
Disclosed is a new and useful discharge lamp for use in applications, such as tanning and technical lighting, and a method of making the same. The discharge lamp includes, inter alia, a vitreous...
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6888173 |
Light emitting diode device
An LED is mounted on a substrate, and a protector made of a transparent material is provided for sealing the LED. A color correcting filter is formed on the protector. The color correcting filter...
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6828718 |
Phosphors having improved luminance and long lifespan
A phosphor compliant with formula (1) below and a perovskite structure containing samarium (Sm): MTiO3: (A, B) (1)where M is an alkali earth metal, A is an element selected from the group...
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6808829 |
Image-display device
An image-display device using phosphor can improve the its luminescence efficiency and characteristics of color coordinates by adding an IIA element to a host crystal of ZnS phosphor to form a...
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6753099 |
Phosphor and imaging device using the same
The present invention provides a green emitting phosphor which includes an excess of the ordinary SiO2 component included in parent material Y2−2xSiO5 activated by Tb in terms of stoichiometric r...
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6736995 |
Plasma picture screen with a phosphor layer
This invention relates to a plasma picture screen provided with a phosphor layer which comprises an intrinsically pigmented phosphor. The plasma picture screen has an improved value for the...
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6696782 |
Green-emitting phosphor and image display device using the same
Green-emitting phosphor having a composition formula represented by (Y1-x-aGdxMa)3-3yTb3y(Al1-zGaz)5O12, where 0
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6613247 |
Wavelength-converting casting composition and white light-emitting semiconductor component
The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a...
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6590333 |
Rare earth phospho-vanadate phosphors, display system and light emitting system
Rare earth phospho-vandate phosphors containing at least one element of Group IV of the periodic table have spherical or cubic shaped particles and provide higher brightness and longer brightness...
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6552487 |
Phosphor for light sources, and associated light source
The phosphor according to the invention has the following composition: (RE1−x−yPrxCey)3(Al,Ga)5O12,whereRE=Y, Sc, Tb, Gd, La and/or Lu;0.00001
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6531814 |
Fluorescent lamp coating and coating recycling method
A process for recovering rare-earth phosphors from an interior of a lamp envelope (12). The interior of the envelope defines a wall and a base layer (14) is adhered to the wall. A coating layer...
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6509685 |
Plasma display screen comprising a red phosphor
A plasma display screen including a carrier plate, a transparent front plate, a ribbed structure which divides the space between the carrier plate and the front plate into plasma cells, which are...
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6501102 |
Light emitting diode (LED) device that produces white light by performing phosphor conversion on all of the primary radiation emitted by the light emitting structure of the LED device
Presented is an LED device that produces white light by performing phosphor conversion on substantially all of the primary light emitted by the light emitting structure of the LED device. The LED...
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6373184 |
Red phosphor for fluorescent display and preparation method thereof
Provided with a phosphor for a fluorescent display that includes at least one divalent transition metal and at least two trivalent metal added to SrTiO3 and having a formula of:...
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6369542 |
Trolling motor foot control with fine speed adjustment
A trolling motor foot control for use with a trolling motor is disclosed. The trolling motor foot control includes a pad adapted to receive an operator's foot, a first operating interface coupled...
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6356699 |
Rare earth doped optical glasses
A glass component in an optical system, which may be a lazing or an optical amplifying medium, comprising a silicate base glass doped with at least two Group III B elements, the glass, and a method...
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6304027 |
Mixed green-emitting phosphor and cathode ray tube using the same
A mixed green-emitting phosphor manufactured by mixing about 20 to 60 weight percent of Y3 (Al,Ga)5 O12 :Tb phosphor, less than about 30 weight percent of LaOCl:Tb phosphor, less than about 60...
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6245259 |
Wavelength-converting casting composition and light-emitting semiconductor component
The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a...
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6168729 |
Fluorescent material and fluorescent display device
A fluorescent material and a display device incorporating the fluorescent material are described. The fluorescent material is a mixture including a phosphor which is excitable at a voltage of 1 kV...
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6144152 |
Luminescent screen for low pressure mercury discharge lamp with specific emission range
Color rendering indices Ra,8 between 80 and 90 and R9 greater than 20, and a color point on or near the Planckian curve, are achieved with a lamp vessel provided with a luminescent screen including...
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6090309 |
Visible light-emitting phosphor composition having an enhanced luminescent efficiency over a broad range of voltages
A phosphor composition selected from a range of phosphor compositions is provided for discharging spent electrons from a display screen of a luminescent display. The selected phosphor composition...
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6077458 |
Phosphor, and cathode-ray tube and display using the same
The current coefficient and saturation brightness of a phosphor is increased by coating the surfaces of phosphor particles (11, 21, 41) constituting a powdered phosphor with layers (12, 22, 42),...
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6042746 |
Specialized phosphors prepared by a multi-stage grinding and firing sequence
A multi-stage process for preparing a phosphor product includes the stages of selecting precursors of a dopant and a host lattice as the phosphor starting materials, grinding the starting materials...
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