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7612502 |
Planar light source
A planar light source including a first substrate, a second substrate, a sealant, first electrodes, sets of first dielectric patterns, a phosphor layer, and a discharge gas is provided. The second...
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7604752 |
Phosphor and fluorescent luminous tube
A SrTiO 3 :Pr phosphor includes a SrTiO 3 :Pr phosphor material and an additive having one or more elements selected from the group consisting of W, Mo and V in a form of an elemental substance...
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7598663 |
Multi-wavelength LED provided with combined fluorescent materials positioned over and underneath the LED component
A multi-wavelength LED construction and its manufacturing process having respectively coated on the base layer and the position above the peripheral of the light emitting chip a fluorescent...
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7597822 |
Blue phosphor and display panel using the same
A phosphor represented by a general formula: M 1 x M 2 2−x Si 2 O 6 Ra z . . . (1) wherein, M 1 and M 2 are alkaline earth metals, x<2, Ra is Ce or Eu and 0.005≦z≦0.05), and wherein a...
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7592639 |
Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device
A chip-type light-emitting semiconductor device includes: a substrate 4 ; a blue LED 1 mounted on the substrate 4 ; and a luminescent layer 3 made of a mixture of yellow/yellowish phosphor...
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7591962 |
Low-pressure mercury vapor discharge lamp comprising UV-A phosphor
The invention is concerned with a low-pressure mercury vapor discharge lamp comprising a light-transmitting discharge vessel, said discharge vessel enclosing, in a gastight manner, a discharge...
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7579770 |
Spark-gap white fluorescent lamp having silicon quantum dots and preparing method thereof
A white fluorescent lamp is prepared with a substrate and a high voltage circuit. The substrate has a fluorescent layer with silicon quantum dots. The lamp generates a white light by exciting the...
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7579765 |
Orange-emitting phosphor
An orange-emitting phosphor that emits at a high luminance when being excited by blue light emitted by a blue light-emitting diode is provided. This orange-emitting phosphor is an alkaline-earth...
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7575697 |
Silicate-based green phosphors
Novel green phosphors are disclosed having the comprise silicate-based compounds having the formula (Sr,A 1 ) x (Si,A 2 )(O,A 3 ) 2+x :Eu 2+ , where A 1 is at least one divalent cation (a 2+ ion)...
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7538495 |
Fluorescent lamp, backlight apparatus, and manufacturing method of fluorescent lamp
A fluorescent lamp including a glass bulb, a protection layer formed on an inner surface of the glass bulb, and a phosphor layer formed on a surface of the protection layer. The surface of the...
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7535176 |
VUV-excited device with blue-emitting phosphor
Blue-emitting phosphors for use with plasma display panels (PDP) or other vacuum ultraviolet-excited (VUV) devices are provided. These blue-emitting phosphors and mixtures thereof include at least...
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7535162 |
Zinc oxide phosphor, process for producing the same and light emitting device
The present invention relates to a zinc oxide phosphor characterized by emitting visible light with a broad emission spectrum close to white, and a process for producing the same. A powder prepared...
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7531961 |
Plasma display with phosphors containing a β-alumina crystal structure
Phosphor layers ( 110 G, 110 B, and 110 R) are made of a combination of: blue and green phosphors that are positively charged on their surfaces and baked in an oxygen-nitrogen atmosphere to...
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7528537 |
Phosphor, phosphor paste, and vacuum ultraviolet excited light-emitting device
A phosphor having small reduction in brightness when exposed to the plasma, a phosphor paste comprising the phosphor are provided. The phosphor comprises the following fluorescent substances I and...
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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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7524476 |
Vacuum ultraviolet excited green phosphor material and light-emitting device using the same
This invention is intended to overcome the problems with conventional phosphor materials, specifically to overcome the problems of insufficient luminance and of color impurity on the screens of...
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7514867 |
LED lamp provided with optical diffusion layer having increased thickness and method of manufacturing thereof
An LED lamp according to the present invention includes: at least one LED chip 12 that is mounted on a substrate 11; a phosphor resin portion 13 that covers the LED chip 12; a lens 22 to...
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7514020 |
Silicophosphate-based phosphor and light-emitting device including the same
Provided is a silicophosphate-based phosphor of Formula 1 and a light-emitting device including the same:
[(Sr (1-x-y-a-b-c) Ba a Ca b...
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7511411 |
Light emitting device, phosphor, and method for preparing phosphor
A surface of a phosphor particle is coated with a coating member made of a material that is different from the phosphor in chemical vapor-phase reaction. The coating member is made of any of metal...
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7501764 |
Fluorescent lamp and method of manufacturing same
A cold cathode fluorescent tube where an electron emitting electrode is sealed in shows much deterioration in the luminance with time, thereby being not adequate for a long time use. The electrode...
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7497974 |
Ce,Pr-coactivated yttrium phosphate phosphor and lamp containing same
The sensitivity of YPO 4 :Ce phosphors to 185 nm radiation may be increased by incorporating a praseodymium coactivator. The use of Ce and Pr as co-activators in a YPO 4 phosphor improves the...
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7495395 |
Plasma display panel with defined phosphor layer thicknesses
A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is...
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7495383 |
Phosphor based on a combination of quantum dot and conventional phosphors
A phosphor composition and a light source constructed therefrom are disclosed. The phosphor composition includes first and second phosphors. The first phosphor includes first phosphor particles...
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7495379 |
Fluorescent lamp and illuminating apparatus
An object of the present invention to provide a fluorescent lamp in which after formation of a phosphor layer, a glass bulb is bent and in which the phosphor layer is not subject to cracking or...
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7492083 |
Alkaline earth aluminate phosphor for a cold cathode fluorescent lamp and cold cathode fluorescent lamp
An alkaline earth aluminate phosphor for a cold cathode fluorescent lamp, which is represented by the compositional formula a (P 1-x Eu x )O.(Q 1-y Mn y )O.bAl 2 O 3 and which is characterized by...
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7486010 |
Plasma display device and method of preparing phosphor
In a phosphor whose host crystal is constituted of an oxide, a method of preparing the phosphor where the oxygen deficiencies in the phosphor are not many, and a plasma display device using the...
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7485883 |
Variable wavelength radiation source
An apparatus for selectively producing one or more of a plurality of wavelength distributions of radiation. The apparatus comprises a primary UV radiation source and one or more wavelength...
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7476334 |
Phosphor and plasma display unit
Disclosed here is a plasma display unit that employs phosphors having an amount of charge controlled close to zero, by which degradation in luminance, color temperature, and charge characteristics...
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7473003 |
Emergency lighting
Emergency lighting for an aircraft employs a photoluminescent substrate that is activated by exposure to light wherein the substrate has portions with different light emitting characteristics...
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7470378 |
Oxynitride fluorescent material and light-emitting device
Sialon fluorescent materials with activated Eu or other rare earth ions have been known as fluorescent materials capable of being excited by blue light to emit yellow light. An oxynitride...
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7468145 |
Phosphor and treatment method for the same
The present invention aims at realizing a PDP and a mercury-free fluorescent lamp feasible to maintain excellent luminescent characteristics over long periods by suppressing time-lapse changes in...
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7466375 |
Liquid crystal display device
A liquid crystal display device includes a light source and a liquid crystal display panel. The light source includes a blue-emitting phosphor configured to emit blue light, a green-emitting...
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7465413 |
Phosphor and plasma display panel using the same
A phosphor of the present invention is characterized by: having a phosphor main portion containing zinc silicate as a base material and manganese as an activator; and having at least one element...
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7453195 |
White lamps with enhanced color contrast
A lighting apparatus for emitting white light including a semiconductor light source emitting radiation with a peak at from about 250 nm to about 500 nm; a first phosphor having a peak emission...
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7452485 |
Phosphor and plasma display panel
Disclosed are a phosphor in which prevention of aging deterioration of luminance and prevention of deterioration of discharging characteristics are compatible, a method of manufacturing the...
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7449129 |
Ce,Pr-coactivated strontium magnesium aluminate phosphor and lamp containing same
A Sr(Al,Mg) 12 O 19 :Ce,Pr phosphor is described wherein the phosphor has an increased sensitivity to excitation by 185 nm radiation compared to a Sr(Al,Mg) 12 O 19 :Ce phosphor. The...
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7436108 |
Red phosphor for plasma display panel and plasma display panel including phosphor layer formed of the red phosphor
A red phosphor for a plasma display panel (PDP) including (Y,Gd)Al 3 (BO 3 ) 4 :Eu 3+ , a paste composition including the same and a plasma display panel including a phosphor layer made out of the...
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7435358 |
UVC-emitting Sr(Al,Mg)12O19:Pr phosphor and lamp containing same
The UVC emission of a Sr(Al,Mg) 12 O 19 :Pr is improved by providing an excess of magnesium relative to the molar amount praseodymium In particular, the UVC-emitting phosphor has a composition...
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7432642 |
Semiconductor light emitting device provided with a light conversion element using a haloborate phosphor composition
A light emitting device is provided that has a semiconductor light emitting element and a phosphor which converts a part of the luminescence spectrum emitted from the semiconductor light emitting...
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7431864 |
Phosphor, production method thereof and light emitting instrument
The present invention aims at providing a blue-aimed phosphor powder which is more excellent in emission characteristic than the conventional rare-earth activated sialon phosphors and which is more...
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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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7423368 |
Plasma display and method of producing phosphor used therein
The present invention relates to a plasma display device and to a method of producing a phosphor to be used for the device, that prevents the phosphor layer from deteriorating, and improves the...
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7419621 |
UV-emitting phosphor and lamp containing same
A UV-emitting phosphor is described wherein the phosphor is excitable by vacuum ultraviolet radiation (VUV). The phosphor is a gadolinium-activated strontium magnesium aluminate which preferably...
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7413680 |
Phosphor and fluorescent display device
A phosphor including a matrix in the form of titanate expressed by Ca 1-x Sr x TiO 3 (0<x≦0.5), and Pr (praseodymium) and Li (lithium) that are added to the matrix. The phosphor may further...
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7408299 |
Plasma display panel
A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the red phosphor layer comprises Y(V,P)O 4 :Eu and (Y,Gd)BO 3 :Eu coated on...
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7405516 |
Plasma-shell PDP with organic luminescent substance
A PDP constructed out of one or more Plasma-shells with a luminescent substance(s) located in close proximity to each Plasma-shell. The luminescent substance comprises a combination of an organic...
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7396490 |
Ce,Pr-coactivated calcium pyrophosphate phosphor and lamp containing same
A UV-emitting, Ce,Pr-coactivated calcium pyrophosphate phosphor is provided wherein the Pr activator increases the phosphor's sensitivity to excitation by 185 nm radiation. The improved sensitivity...
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7396489 |
Plasma display device and method of manufacturing same
A plasma display device including a green phosphor of which brightness is hardly deteriorated and a production method therefore are disclosed. The plasma display device comprises a plasma display...
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7394191 |
Image display device having a long-life phosphor layer
The disclosed method can improve the luminescence life of an image display device. By using a blue luminescent phosphor having the phosphor component ZnS:M, N (where M is one or more elements...
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7391148 |
Phosphor blends for high-CRI fluorescent lamps
A phosphor blend comprises at least two phosphors each selected from one of the groups of phosphors that absorb UV electromagnetic radiation and emit in a region of visible light. The phosphor...
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