СВЕТОВОЕ УСТРОЙСТВО

1. Световое устройство, содержащее: ! источник света для излучения света от источника с длиной волны источника, причем интенсивность света от источника управляется посредством сигнала, ! первый кристаллофосфорный материал, выполненный с возможностью преобразования, по меньшей мере, части света от источника в свет, по меньшей мере, первой длины волны, отличающейся от длины волны источника, и ! второй кристаллофосфорный материал, выполненный с возможностью преобразования, по меньшей мере, части света от источника в свет, по меньшей мере, второй длины волны, отличающейся от длины волны источника и первой длины волны, при этом ! первый и второй кристаллофосфорные материалы подобраны так, чтобы иметь первую и вторую эффективность преобразования соответственно причем первая эффективность преобразования отличается от второй, каждая эффективность преобразования управляется посредством сигнала так, что отношение интенсивностей света первой и второй длины волны соответственно зависит от сигнала, при этом ! длина волны источника выбрана так, чтобы, по меньшей мере, один из первого и второго кристаллофосфорных материалов возбуждался на длине волны, при которой сдвиг длины волны имеет значительное влияние на излучение на выходе светового устройства по сравнению со сдвигом длины волны, полученным на длине волны источника, близкой к максимальному значению поглощения. ! 2. Устройство по п.1, в котором по меньшей мере одна из первой и второй эффективности преобразования зависит от длины волны источника, при этом длина волны источника зависит от интенсивности света от источника. ! 3. Устройство по п.1, в котором первая эффе РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 147 654 (13) A (51) МПК H01L 33/00 (2010.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): КОНИНКЛЕЙКЕ ФИЛИПС ЭЛЕКТРОНИКС Н.В. (NL) (21)(22) Заявка: 2010147654/28, 16.04.2009 Приоритет(ы): (30) Конвенционный приоритет: 23.04.2008 EP 08155016.2 (87) Публикация заявки РСТ: WO ...

Method for producing a Beta-Sialon phosphor

LOW PRESSURE MERCURY UNLOADING FLUORESCENT LAMPS

Phosphor, production method thereof and light emitting instrument

本发明要解决的技术问题是提供发光特性比以往的稀土类元素激活的赛隆荧光体更优良、并且耐久性也比以往的氧化物荧光体更优良的蓝色荧光体粉体。解决该问题的技术方案是，通过在氮气氛围中在1500℃以上2200℃以下的温度范围煅烧原料混合物，从而得到由激发源照射而发出在400nm～700nm波长范围内具有发光峰的荧光的荧光体，所述原料混合物是金属化合物的混合物，并可通过煅烧构成由M、A、Si、Al、O和N形成的组成物，其中M为选自Mn、Ce、Nd、Sm、Eu、Tb、Dy、Ho、Er、Tm、Yb中的1种或2种以上的元素，A为选自C、Si、Ge、Sn、B、Ga、In、Mg、Ca、Sr、Ba、Sc、Y、La、Gd、Lu、Ti、Zr、Hf、Ta、W中的1种或2种以上的元素。

Oxycarbonitride phosphors and light emitting devices using the same

本文公开了一类新颖的氧碳氮化物磷光体组合物和将其纳入其中的发光器件。M-Al-Si-O-N-C-Ln的六分区系统和M-Si-O-N-C-Ln的五分区系统中（M=碱土元素、Ln=稀土元素)，该磷光体由单一晶相或两种晶相构成，且具有高化学稳定性和热稳定性。在某些实施方式中，所述硅氧碳氮化物的磷光体在530-550nm波长下发出绿光。在其它实施方式中，所述磷光体组合物在近紫外和蓝光激发下在450-650nm波长范围内发出蓝绿色至黄色光。

Green-emitting, garnet-based phosphors in general and backlighting applications

본 명세서에는 식 (Lu 1-a-b-c Y a Tb b A c ) 3 (Al 1-d B d ) 5 (O 1-e C e ) 12 :Ce,Eu를 지니는 녹색 발광용 가넷계 인광체가 개시되어 있으며, 여기서, 식 중, A는 Mg, Sr, Ca 및 Ba로 이루어진 군으로부터 선택되고; B는 Ga 및 In으로 이루어진 군으로부터 선택되며; C는 F, Cl 및 Br로 이루어진 군으로부터 선택되고; 0≤a≤1; 0≤b≤1; 0<c≤0.5; 0≤d≤1; 및 0<e≤0.2이다. 이들 인광체는 알칼리 토류 원소와 할로겐의 양쪽을 내포하는 속성에 의해 당업계에 있어서의 어떠한 것과도 구별된다. 그들의 피크 발광 파장은 약 500㎚ 내지 540㎚ 사이에 있을 수 있고; 일 실시형태에서, 인광체 (Lu,Y,A) 3 (Al) 5 (O,F,Cl) 12 :Eu 2+ 는 540㎚에서 발광을 지닌다. 발광 피크의 FWHM은 80㎚ 내지 150㎚ 사이에 놓인다. 본 발명의 녹색 가넷 인광체는, 백색 광을 발생하기 위하여, CaAlSiN 3 등과 같은 적색-발광용 질화물계 인광체와 배합될 수 있다. In this specification, a garnet fluorescent material for green light emission having the formula (Lu 1-abc Y a Tb b a c ) 3 (Al 1 -d B d ) 5 (O 1 -e C e ) 12 : Ce, Wherein A is selected from the group consisting of Mg, Sr, Ca and Ba; B is selected from the group consisting of Ga and In; C is selected from the group consisting of F, Cl and Br; 0? A? 1; 0? B? 1; 0 < c? 0.5; 0? D? 1; And 0 < e? 0.2. These phosphors are distinguished from any of those in the art by their properties of containing both alkaline earth elements and halogens. Their peak emission wavelength can be between about 500 nm and 540 nm; In one embodiment, the phosphors (Lu, Y, A) 3 (Al) 5 (O, F, Cl) 12 : Eu 2+ have luminescence at 540 nm. The FWHM of the emission peak lies between 80 nm and 150 nm. The green garnet phosphor of the present invention may be compounded with a red phosphor for emitting red phosphor such as CaAlSiN 3 in order to generate white light.

BACKLIGHT UNIT OF LIQUID CRYSTAL DISPLAY DEVICE

GREEN PHOSPHOR HAVING HIGH COLOR PURITY, HIGH LIGHT EMITTING EFFICIENCY, AND LONG LIFETIME AND APPARATUS USING THE SAME

PURPOSE: A green phosphor and an apparatus using the same are provided to improve a display characteristic of a display device including a gas discharge device such as a fluorescent lamp, a plasma display panel, a cathode ray tube, a fluorescent display tube, and an X-ray image pick-up tube by using the green phosphor having high color purity. CONSTITUTION: A green phosphor is expressed by a chemical formula such as A(Zn1-xMnx)Al10O17 where A is Ca, Ba, or Sr and x satisfies a condition of 0.02<=x<=0.14. The green phosphor is formed of a preform and a light emitting core. The preform has a beta alumina structure. The green light is generated from the green phosphor by vacuum ultraviolet rays. © KIPO 2006 ...

Plasma display device

A plasma display panel. A pair of substrates has a transparent front surface and is disposed to leave a discharge space therebetween. A plurality of barrier ribs is disposed on one substrate to partition the discharge space into a plurality of respective green discharge spaces, blue discharge spaces and red discharge spaces. A group of electrodes is disposed on the substrates to discharge in the discharge spaces partitioned by the barrier ribs. A phosphor layer is formed in the discharge spaces, the phosphor layer being a green phosphor layer for the green discharge spaces, a blue phosphor layer for the blue phosphor discharge spaces, and a red phosphor layer for the red discharge spaces. A discharge gas is filled in the discharge spaces, wherein the green phosphor layer comprises from 10 to 70% by weight of a first green phosphor selected from the group consisting of Zn2SiO4:Mn, (Zn, A)2SiO4;Mn (where A is an alkali metal), and mixtures thereof; from 0 to 30% by weight of a second green ...

ULTRAVIOLET LIGHT IRRADIATION DEVICE

RED LINE EMITTING PHOSPHORS FOR USE IN LED APPLICATIONS

PHOSPHOR THIN FILM AND ELECTRO-LUMINESCENT PANEL

A phosphor thin film is provided treat has a high luminance, a satisfactory color purity sufficient to eliminate a need for filters, and a lone luminance life. The phosphor thin film can be adapted to suit each element of red, green and blue in full color electroluminescent (EL) panels. The phosphor thin film includes a matrix material and a luminescent center. The matrix material is an oxysulfide containing at least an alkaline earth element, Ga and/or In, and optionally A1, in addition to sulfur and oxygen.

Phosphor material, light emitting member and image display apparatus using the same

Quantum dot based lighting

Systems and methods are described that relate to quantum dot (QD) structures for lighting applications. In particular, quantum dots and quantum dot containing inks (comprising mixtures of different wavelength quantum dots) are synthesized for desired optical properties and integrated with an LED source to create a trichromatic white light source. The LED source may be integrated with the quantum dots in a variety of ways, including through the use of a small capillary filled with quantum dot containing ink or a quantum dot containing film placed appropriately within the optical system. These systems may result in improved displays characterized by higher color gamuts, lower power consumption, and reduced cost.

Display device, screen panel and phosphor material composition thereof

In an embodiment, a phosphor material composition comprises a phosphor powder and an additive, wherein the additive has an amount in a range of about 0.1%~20% of the phosphor powder in weight. The material of the additive is selected from the group consisting of an energy absorption material and a conductive material and a combination thereof. In another embodiment, a phosphor material composition including a phosphor powder and an additive is provided, wherein the additive has an amount of 2.8ppm~32000ppm. The material of the additive is also selected from the group consisting of an energy absorption material and a conductive material and a combination thereof.

METHOD OF WRITING AND REPRODUCING MULTIMEDIA SERVICE BY USING TAG AND APPARATUS THEREFOR

Provided are method and apparatus for writing and reproducing a multimedia service using a tag in order to provide an intuitive interface for a user using a multimedia service. The method includes selecting a multimedia service to be written; generating tag information identifying the selected multimedia service; and writing the generated tag information to a tag. Accordingly, multimedia service information and content information can be stored in a tag by being written to tag information using a common format, and thus the user can later execute a service operation by easily writing information of a desired service operation to a tag and then simply connecting the tag to a tag reading device.

Silicate phosphor and white light emitting device including the same

Disclosed is a silicate phosphor represented by Formula: Lia-xAxSrb-y-z-lByEuzClSic-mDmOd-nEn where A includes at least one ion selected from the group consisting of Na, K, Rb, and Cs. B includes at least one ion selected from the group consisting of Mg, Ca, Ba and Zn. C includes at least one ion selected from the group consisting of Sc, Y, La, Gd, Ce, Pr, Nd, Sm, Tb, Dy, Ho, Er, Tm, Yb, Lu and Bi. D includes at least one ion selected from the group consisting of B, Al, Ga, In and Tl. E includes at least one ion selected from the group consisting of F, Cl, Br, and I. Further disclosed is a white light emitting device including the silicate phosphor.

SOLID STATE LIGHTING DEVICE INCLUDING GREEN SHIFTED RED COMPONENT

A green-shifted red solid state lighting device includes at least one green solid state light emitter arranged to stimulate emissions from at least one red lumiphor, arranged in combination with at least one blue solid state light emitter. Such device may be devoid of any yellow lumiphor arranged to be stimulated by a blue solid state light emitter. A green shifted red plus blue (GSR+B) lighting device exhibits reduced Stokes Shift losses as compared to a blue shifted yellow plus red (BSY+R) lighting device, with comparable color rendering performance and similar efficiency, enhanced color stability over a range of operating temperatures, and enhanced color rendering performance at higher correlated color temperatures. Additional solid state emitters and/or lumiphors may be provided.

Highly efficient stable oxynitride phosphor

Phosphor from the class of the oxynitridosilicates, having a cation M which is doped with divalent europium, and having the empirical formula MSi2O2N2, where M=Sr1-x-yCayEux where 0.3≦x+y≦0.725, with a Ca/Eu ratio of >1, the oxynitridosilicate having an emission with a dominant wavelength in the range from 555 to 568 nm.

PHOSPHOR, METHOD FOR PRODUCING SAME AND LIGHT-EMITTING DEVICE

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 excellent in durability than the conventional oxide phosphors. The solving means resides in: firing a starting material mixture in a nitrogen atmosphere at a temperature range between 1,500°C inclusive and 2,200°C inclusive, wherein the starting material mixture is a mixture of metallic compounds, and is capable of constituting a composition comprising M, A, Si, Al, O, and N (M is one kind or two or more kinds of element(s) selected from Mn, Ce, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb; and A is one kind or two or more kinds of element(s) selected from C, Si, Ge, Sn, B, Ga, In, Mg, Ca, Sr, Ba, Sc, Y, La, Gd, Lu, Ti, Zr, Hf, Ta, and W) by firing; to obtain a phosphor which emits fluorescence having a peak at a wavelength within a range of 400nm to 700nm, by irradiation of an excitation source.

THE GREENS PHOSPHORUS AS WELL AS BASING PLASMA DISPLAY DEVICE ON IT

Method of manufacturing a color filter cathode ray tube (crt)

ELECTRODELESS PHOTOTHERAPY LAMP

Method of manufacturing a color filter cathode ray tube (crt)

Phosphor and its preparation method, using phosphor light-emitting device, Image display device, pigment and ultraviolet absorber

RED FLUORESCENT MATERIAL FOR A PLASMA DISPLAY PANEL AND A PLASMA DISPLAY PANEL WITH A RED FLUORESCENT FILM MADE BY USING (Y,Gd)Al3(BO3)4:Eu^3+ OR (Y,Gd)BO3:Eu^3+

PURPOSE: A red fluorescent material for a plasma display panel and a plasma display panel with a red fluorescent film are provided to suppress a brightness saturation phenomenon by reducing afterimage duration. CONSTITUTION: A plasma display panel includes a transparent front substrate(211), a rear substrate(221), light emitting cells(226), address electrodes(222), a rear dielectric layer(223), red, green, and blue fluorescent films(225a,225b,225c), sustain electrode pairs(212,213), a front dielectric layer(215), and a discharge gas. The light emitting cells are partitioned by a barrier rib. The address electrodes are elongated over the light emitting cells in a first direction. The rear dielectric layer covers the address electrodes. The red, green, and blue fluorescent films are arranged in the light emitting cell. The sustain electrode pairs are elongated in a second direction. The front dielectric layer covers the sustain electrode pairs. The discharge gas is contained in the light ...

Method for manufacturing plasma display panel, inspection method for inspecting phosphor layer and inspection apparatus for inspecting phosphor layer

Phosphor, manufacture thereof, light-emitting device, and image display device

A STACK OF LAYERS COMPRISING LUMINESCENT MATERIAL, A LAMP, A LUMINAIRE AND A METHOD OF MANUFACTURING THE STACK OF LAYERS

A stack of layers 100, a lamp, a luminaire and a method of manufacturing a stack of layers is disclosed. The stack of layers 100 comprises a first outer layer 102, a second outer layer 106 and a luminescent layer 104. The first outer layer 102 and the second outer layer 106 are of a light transmitting polymeric material and have an oxygen transmission rate lower than 30 cm 3 /(m 2 -day) measured under standard temperature and pressure (STP). The luminescent layer 104 is sandwiched between the first outer layer 102 and the second outer layer 106 and comprises a light transmitting matrix polymer and a luminescent material 108 being configured to absorb light according to an absorption spectrum and convert a portion of the absorbed light towards light of a light emission spectrum.

PHOSPHOR AND METHOD FOR PRODUCTION THEREOF AND PLASMA DISPLAY DEVICE

A plasma display device which has a green phosphor having a crystal structure of Zn2SiO4:Mn, characterized in that a part of the green phosphor is substituted with a monovalent oxide, wherein the monovalent oxide is preferably at least one of lithium oxide (Li2O), sodium oxide (Na2O), potassium oxide (K2O), cesium oxide (Cs2O), rubidium oxide (Rb2O), copper oxide (Cu2O) and silver oxide (Ag2O). The plasma display has a green phosphor being reduced in oxygen defects formed therein and as a result being suppressed in the deterioration of its brightness, and thus exhibits improved discharge characteristics.

IMPROVED DISPLAY PANEL APPARATUS AND METHOD

A panel display using gold as a conductive element and a matrix of carbon fibers as emitters is presented. The invention provides a novel defined pixel width of three emitter fibers per cell wherein each cell is positioned within three emulsion layers of suspended nano-crystals stack positioned vertically atop one-another. Each of these respective layers is excited by a single carbon fiber. In the preferred embodiment, fiber length ends from each cell are positioned at the mid-point of each respective polymer layer thickness and produce one of red, green, or blue colors required to complete the image formation.

Fluorescent material for dispaly unit, process for producing the same and color display unit including the same

Fluorescent material for display unit (1) comprising fluorescent substance matrix particles (2) constituted substantially of zinc sulfide of crystal structure composed mainly of, for example, hexagonal crystal or cubic crystal. First activator (3) is localized in surface layer part (2a) of the fluorescent substance matrix particles (2). Second activator is uniformly dispersed in the fluorescent substance matrix particles (2). The color of light emitted from a fluorescent substance of zinc sulfide having a crystal structure of, for example, hexagonal crystal can be improved by such a particle structure. Alternatively, unwanted light emission attributed to an electron beam on the low voltage side of the fluorescent substance for display unit (1) can be suppressed.

COLOR-TUNABLE LIGHTING DEVICES AND METHODS FOR TUNNING COLOR OUTPUT OF LIGHTING DEVICES

SOLID STATE LIGHTING DEVICE INCLUDING GREEN SHIFTED RED COMPONENT

蛍光体、その製造方法、発光装置および画像表示装置

Method for producing a B-sialon phosphor

The present invention proposes a method for producing a -SiA1ON phosphor, capable of adjusting the -SiA1ON phosphor to have high luminance and desired particle size characteristics. According to the present invention, a method is provided for producing a -SiA1ON phosphor having a chemical formula expressed as Si(6-x)AlxOyN(6-y):LnZ, where Ln is a rare earth element, 0 Подробнее

PLASMA DISPLAY DEVICE

PHOSPHOR AND PLASMA DISPLAY DEVICE

Process for producing luminant excitable with vacuum ultraviolet radiation, luminant excitable with vacuum ultraviolet radiation and luminous element including the same

YTTRIUM GADOLINIUM EUROPIUM/TERBIUM BISMUTH BORATE-BASED PHOSPHOR, AND FLUORESCENT LAMP AND PLASMA DISPLAY PANEL EMPLOYING THE PHOSPHOR

PURPOSE: Provided are a red or green light emitting borate-based phosphor, and a fluorescent lamp and a plasma display panel containing the phosphor which is improved in brightness and color reproduction range (color gamut). CONSTITUTION: The borate-based phosphor is represented by (Y_(1-x-y-z) Gd_x Q_y Bi_z)BO3, wherein Q is Eu or Tb; 0<=x<1; 0 Подробнее

HIGH LUMINANCE PHOSPHOR POWDER WITH EXTREMELY FINE PARTICLE SIZE, MANUFACTURING METHOD THEREOF AND PHOSPHOR COMPOSITION COMPRISING THE SAME

PURPOSE: Provided are a high luminance phosphor powder that is extremely fine, and has few defects on the surface of or inside the powder, and hence has excellent crystallinity and light emission characteristics, a manufacturing method thereof, and a phosphor composition comprising the same. CONSTITUTION: The highly crystallized phosphor powder has an average particle size of 0.1 to 2 micrometers and is manufactured by the method comprising preparing a raw material solution containing metal elements and/or semimetal elements to be constituents of the phosphor so as to become liquid droplets, subjecting the liquid droplets to decomposition by heating at a temperature of 500 to 1800 deg.C to produce hollow precursor particles and/or porous precursor particles, heating the precursor particles to crystallize the precursor particles while maintaining the hollow or porous form, and grinding the crystallized particles until a predetermined particle size is obtained. The phosphor composition comprises ...

Phosphor thin film, preparation method, and EL panel

The invention provides a phosphor thin film having a high luminance, a satisfactory color purity enough to eliminate a need for filters, and a long luminance life, and best suited for each element of RGB in full color EL panels, a preparation method thereof and EL panel. The phosphor thin film of the invention comprises a matrix material and a luminescent center. The matrix material is a sulfide containing at least an alkaline earth element, Ga and/or In, sulfur (S) and optionally, Al, or an oxysulfide further containing oxygen (O) in addition to the foregoing elements. Provided that A stands for the alkaline earth element and B stands for Ga, In and Al in the matrix material, the atomic ratio B/A is in the range: B/A=2.1 to 3.5.

LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR

The invention belongs to the field of luminescent materials. Disclosed are luminescent materials doped with metal nano particles and preparation methods therefor. The luminescent materials doped with metal nano particles are represented by the chemical formula: A5-x(PO4)2SiO4:xRE@My, wherein @ is for coating, M is inner core, M is one metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce, Dy and Mn; A is one or two elements selected from Ca, Sr, Ba, Mg, Li, Na and K; x is stoichiometric coefficient, 0 Подробнее

LUMINOPHORE AND LIGHT SOURCE CONTAINING SUCH A LUMINOPHORE

The invention relates to a novel luminophore from the class of nitridic or oxinitridic luminophores, comprising at least one cation M and an activator D, a fraction x of the cation being replaced by Cu. The luminophore according to the invention is suited for light sources.

Phosphor of warm luminous colors and fluorescent display device

A mixture phosphor is provided by mixing a phosphor of a red luminous color devoid of Cd with a phosphor of a green family luminous color also devoid of Cd, wherein a luminous color of the mixture phosphor is a warm color ranging from yellow to orange. And, in the mixture phosphor, S component is removed or less than that of the conventional phosphor of the warm luminous color. Accordingly, a dark streak may not appear or a dark streak appearing time may be delayed, thereby providing a fluorescent display device having an improved display quality.

Quantum-splitting fluoride-based phosphors, method of producing, and radiation sources incorporating same

A quantum-splitting fluoride-based phosphor comprises gadolinium, at least a first alkali metal, and a rare-earth metal activator. The phosphor is made in a solid-state method without using HF gas. The phosphor can be used alone or in conjunction with other phosphors in light sources and displays wherein it can be excited by VUV radiation, and increases the efficiency of these devices ...

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)Al₃(BO₃)₄:Eu³⁺, a paste composition including the same and a plasma display panel including a phosphor layer made out of the red phosphor. The red phosphor for a plasma display panel can have reduced decay time by using (Y,Gd)Al₃(BO₃)₄:Eu³⁺ alone or as a main constituent in a combination with (Y,Gd)BO₃:Eu³⁺. In addition, in a plasma display panel (PDP) including a phosphor layer made out of the red phosphor, by reducing the decay time of the PDP, coloring properties thereof can be improved and luminance saturation thereof at a high gradation degree occurring when Y(V,P)O₄:Eu³⁺ is used to improve color coordinates can be prevented.

Phosphor and plasma display device

Phosphor and a plasma display device are provided whose deterioration in brightness of phosphors and a degree of change in chromaticity are alleviated and whose discharge characteristics are improved and that has excellent initial characteristics. Phosphor of the present invention is an alkaline-earth metal aluminate phosphor containing an element M (where M denotes at least one type of element selected from the group consisting of Nb, Ta, W and B). In this phosphor, a concentration of M in the vicinity of a surface of the phosphor particles is higher than the average concentration of M in the phosphor particles as a whole. A plasma display device according to the present invention includes a plasma display panel in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor ...

Phosphor, Method for Production Same, Light Emitting Device, Image Display, Pigment and Ultraviolet Light Absorber

A phosphor, combined with LED having not exceeding 470 nm, of high emission intensity and with chemical and thermal stability is provided. The phosphor according to the present invention comprises an inorganic compound in which element A (A is one or two or more kinds of elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid solved in an inorganic crystal including at least metal element M and non-metal element X and represented by MnXn+1 (3≤n≤5), an inorganic crystal having the same crystal structure, or an inorganic crystal including a solid solution thereof. Here, M comprises at least Al and Si, and if necessary element L (L is a metal element other than Al and Si) and X comprises N, O if necessary, and element Z if necessary (Z is a non-metal element other than N and O).

GREEN-EMITTING, GARNET-BASED PHOSPHORS IN GENERAL AND BACKLIGHTING APPLICATIONS

Disclosed herein are green-emitting, garnet-based phosphors having the formula (Lu 1−a−b−c Y a Tb b A c ) 3 (Al 1−d B d ) 5 (O 1−e C e ) 12 :Ce,Eu, where A is selected from the group consisting of Mg, Sr, Ca, and Ba; B is selected from the group consisting of Ga and In; C is selected from the group consisting of F, Cl, and Br; and 0≦a≦1; 0≦b≦1; 0<c≦0.5; 0≦d≦1; and 0<e≦0.2. These phosphors are distinguished from anything in the art by nature of their inclusion of both an alkaline earth and a halogen. Their peak emission wavelength may lie between about 500 nm and 540 nm; in one embodiment, the phosphor (Lu,Y,A) 3 Al 5 (O,F,Cl) 12 :Eu 2+ has an emission at 540 nm. The FWHM of the emission peak lies between 80 nm and 150 nm. The present green garnet phosphors may be combined with a red-emitting, nitride-based phosphor such as CaAlSiN 3 to produce white light.

GREEN PHOSPHOR AND PLASMA DISPLAY PANEL USING THE SAME

COMPOUND OXIDE FOR FLUORESCENT MATERIAL AND FLUORESCENT MATERIAL

PROBLEM TO BE SOLVED: To provide a fluorescent material keeping high luminance even after the lapse of irradiation time of an excitation source. SOLUTION: The compound oxide for fluorescent materials has a composition obtained by substituting a part of Mg of a compound expressed by formula (1) with one or more elements (M3) selected from the group 5 elements and group 6 elements and having an M3/(Mg+M3) molar ratio of ≥0.003 and ≤0.006. Formula (1); 3M1O-aMgO-bM2O2 (M1is one or more elements selected from Ba, Sr and Ca; M2 is Si and/or Ge; a is ≥0.9 and ≤1.1; and b is ≥1.8 and ≤2.2). The invention further provides a fluorescent material composed of the above compound oxide for fluorescent material and incorporated with M4 as an activator, and a fluorescent material obtained by substituting a part of the element M2 of the above compound oxide with M4 (M4 is one or more elements selected from rare earth elements and Mn). COPYRIGHT: (C)2008,JPO&INPIT ...

ПАКЕТ СЛОЕВ, СОДЕРЖАЩИЙ ЛЮМИНЕСЦЕНТНЫЙ МАТЕРИАЛ, ЛАМПА, СВЕТИЛЬНИК И СПОСОБ ИЗГОТОВЛЕНИЯ ПАКЕТА СЛОЕВ

FIELD: lighting. SUBSTANCE: layer stack (100) comprises a first outer layer (102), a second outer layer (106), and a fluorescent layer (104). The first outer layer (102) and the second outer layer (106) are a polymeric material transmitting light, with an oxygen transmission rate below 30 cm 3 /(m 2 ⋅day), measured at standard temperature and pressure (STP). The luminescent layer (104) is disposed between the first outer layer (102) and the second outer layer (106) and comprises a matrix light transmitting polymer and a luminescent material (108) adapted to absorb light in accordance with the absorption and conversion spectrum of a portion of the absorbed light into the light spectrum of light radiation. EFFECT: increase the longevity of the light source with organic luminescent materials. 13 cl, 8 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 633 765 C2 (51) МПК H05B 33/14 (2006.01) H05B 33/08 (2006.01) H05B 33/04 (2006.01) B82Y 30/00 (2011.01) F21V 9/16 (2006.01) H01L 33/58 (2010.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2015103728, 05.07.2013 (24) Дата начала отсчета срока действия патента: 05.07.2013 Дата регистрации: (73) Патентообладатель(и): ФИЛИПС ЛАЙТИНГ ХОЛДИНГ Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: R U 18.10.2017 (72) Автор(ы): ХИКМЕТ Рифат Ата Мустафа (NL), ВАН БОММЕЛ Тис (NL), ВЕГ Рене Теодорус (NL), ВАН ХАЛ Паулус Альбертус (NL) (56) Список документов, цитированных в отчете о поиске: US 2011037926 A1, 17.02.2011. WO 05.07.2012 US 61/668,052 (45) Опубликовано: 18.10.2017 Бюл. № 29 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 05.02.2015 2012085780 A1, 28.06.2012. EP 1947707 A1, 23.07.2008. US 7273274 A1, 29.11.2007. RU 96929 U1, 20.08.2010. RU 2392123 C2, 20.06.2010. (86) Заявка PCT: IB 2013/055511 (05.07.2013) (87) Публикация заявки PCT: 2 6 3 3 7 6 5 (43) Дата публикации заявки: 27.08.2016 Бюл. № 24 2 6 3 3 7 6 5 R U Адрес для переписки: 129090, Москва, ...

ПАКЕТ СЛОЕВ, СОДЕРЖАЩИЙ ЛЮМИНЕСЦЕНТНЫЙ МАТЕРИАЛ, ЛАМПА, СВЕТИЛЬНИК И СПОСОБ ИЗГОТОВЛЕНИЯ ПАКЕТА СЛОЕВ

... 1. Пакет слоев (100, 300, 320, 340, 360, 452), содержащий- первый внешний слой (102, 341, 366, 402),- второй внешний слой (106, 343, 406), причем первый внешний слой (102, 341, 366, 402) и второй внешний слой (106, 343, 406) представляют собой пропускающий свет полимерный материал и имеют скорость пропускания кислорода ниже 30 см/(м·день) при стандартных температуре и давлении (СТД), илюминесцентный слой (104, 304, 324, 404), помещенный между первым внешним слоем (102, 341, 366, 402) и вторым внешним слоем (106, 343, 406), причем люминесцентный слой содержит пропускающий свет матричный полимер и люминесцентный материал (108), выполненный с возможностью поглощения света в соответствии со спектром поглощения и преобразования части поглощенного света в свет спектра светового излучения.2. Пакет слоев (100, 300, 320, 340, 360, 452) по п. 1, в котором материал первого внешнего слоя (102, 341, 366, 402) и материал второго внешнего слоя (106, 343, 406) имеют проницаемость для кислорода ниже 3 см ...

NIEDERDRUCK-QUECKSILBER-ENTLADUNGS-LEUCHTSTOFFLAMPEN

Mehrfarbig leuchtende, fluoreszierende Sichtanzeigevorrichtung

Eine mehrfarbig leuchtende, fluoreszierende Anzeigevorrichtung umfasst einen vakuumverschlossenen Behälter mit einem Glassubstrat, eine auf dem Glassubstrat angeordnete Anode, eine in dem vakuumverschlossenen Behälter installierte Kathode, eine erste phosphoreszierende Schicht mit einem gelbes bis rotes Licht emittierenden Phosphor und eine zweite phosphoreszierende Schicht mit einem blaues bis grünes Licht emittierenden Phosphor. Die erste phosphoreszierende Schicht enthält einen gelbes bis rotes Licht emittierenden Ln¶2¶O¶2¶S:Eu-Phosphor (Ln ist mindestens ein Element, das aus La, Gd, Lu und Y ausgewählt ist), und die zweite phosphoreszierende Schicht enthält wenigstens einen Phosphor, welcher aus ZnO:Zn-Phosphor, ZnGa¶2¶O¶4¶-Phosphor und ZnGa¶2¶O¶4¶:Mn-Phosphor ausgewählt ist, die blaues bis grünes Licht emittieren.

Temperaturstabiler Leuchtstoff und Lichtquelle mit derartigem Leuchtstoff

Ein neuartiger Leuchtstoff aus der Klasse der Oxinitride hat die Ansatzstöchiometrie Mo-SiO2-Si3N4. Dabei ist M insbesondere Ba. Durch diese im Vergleich zu bekannten Verbindungen geänderte Ansatzstöchiometrie wird eine Verbesserung vieler Eigenschaften erzielt. A novel phosphor from the class of oxynitrides has the approach stoichiometry Mo-SiO2-Si3N4. M is especially Ba. This approach stoichiometry, which is altered in comparison with known compounds, results in an improvement of many properties.

Display device, screen panel and phosphor material composition thereof

In an embodiment, a phosphor material composition comprises a phosphor powder and an additive, wherein the additive has an amount in a range of about 0.1 20 % of the phosphor powder in weight. The material of the additive is selected from the group consisting of an energy absorption material and a conductive material and a combination thereof. In another embodiment, a phosphor material composition including a phosphor powder and an additive is provided, wherein the additive has an amount of 2.8ppm-32000ppm. The material of the additive is also selected from the group consisting of an energy absorption material, a conductive material and a combination thereof.

Method for producing a ss-SiA1ON phosphor

PROCESS FOR PRODUCING LUMINANT EXCITABLE WITH VACUUM ULTRAVIOLET RADIATION, LUMINANT EXCITABLE WITH VACUUM ULTRAVIOLET RADIATION AND LUMINOUS ELEMENT INCLUDING THE SAME

PHOSPHOR THIN FILM, ITS PRODUCTION METHOD, AND EL PANEL

A phosphor thin film enabling high luminance, dispensing with a filter because of good color purity, achieving a long luminance life, and especially suitable for the RGB elements of a full-color EL panel. The phosphor thin film contains a host material and luminescence centers. The host material is an oxy sulfide that at least contains a alkaline earth element, Ga and/or In, and sulfur (S) and may further contain Al. Or an oxy sulfide that contains the above elements and further oxygen (O). The atomic ratio B/A of the host material is B/A = 2.1 to 3.5 Where A is an alkaline earth and B is Ga, In, and Al.

Plasma display panel

Field emission anode plate, filed emission light source and manufacturing method for light source

A field emission anode plate (1), a filed emission light source and a manufacturing method for the light source are provided. The field emission anode plate comprises a transparent ceramic base (10) and an anode conductive layer (11) provided on the surface of the transparent ceramic base which can be excited to produce light by cathode rays. The filed emission light source comprises the field emission anode plate, a field emission cathode plate (2) and a supporter (3). The field emission cathode plate comprises a substrate (20) and a cathode conductive layer (21) provided on the surface of the substrate. The anode conductive layer and the cathode conductive layer are arranged opposite to each other, and two ends of the supporter are hermetically connected to the field emission anode plate and the field emission cathode plate respectively, thus the field emission anode plate, the field emission cathode plate and the supporter constitute a vacuum chamber. As the transparency and electron-impact ...

Plasma display panel for displaying color image, has phosphor layers transforming discharge radiations into visible radiations with different primary colors, and having different chemical composition and same tribo-electric charges

Panneau comprenant deux dalles ménageant entre elles des zones de décharges remplies de gaz de décharge et des luminophores qui sont adaptés pour transformer le rayonnement des décharges en rayonnements visibles de différentes couleurs primaires ; selon l'invention, les luminophores de chacune des couleurs primaires présentent des compositions chimiques différentes mais une charge triboélectrique identique ou quasiment identique, se différentiant de moins de 0,5 µC/g. Grâce à l'invention, on obtient des caractéristiques identiques d'amorçage et d'expansion des décharges dans les zones de décharge correspondant à des couleurs primaires différentes.

LUMINESCENT LAYER FORMED OF A FERROELECTRIC MATERIAL POLARIZES TO A CATHODOLUMINESCENT LIGHT EMITTING DEVICE.

Luminescent powders comprising red, green and blue lumiphores, useful in the preparation of plasma television screens

De nombreux dispositifs utilisent des matériaux luminescents. C'est en particulier le cas des écrans de visualisation à plasma pour la télévision qui contiennent trois types de matériaux luminescents, rouges, verts et bleus utilisés pour reproduire l'ensemble des couleurs. Les matériaux aujourd'hui utilisés sont sous forme de poudre de grains denses dont la granulométrie moyenne est de l'ordre de 1 à 5 microns. Selon l'invention, la réduction du coût matière est obtenue par l'utilisation soit de poudres luminescentes composées de grains creux dont la dimension moyenne est comprise entre 0,3 µm et 8 µm et dont le volume total des cavités d'un grain donné contribue pour au moins 20% au volume de ce grain, soit de poudres luminescentes composées de particules dites inactives 4 dont la dimension moyenne est comprise entre 0,4 et 8 µm enrobées de nanoparticules 5 d'une composition luminescente dont la dimension moyenne est comprise entre 3 et 100 nanomètres.

PLASMA DISPLAY

Phosphor layers (110G, 110B, 110R), each consisting of a combination of a blue phosphor and a green phosphor that have a β-alumina crystal structure, are charged positive (+) on the surfaces thereof, and are reduced in oxygen deficiency by being fired in an oxygen-nitrogen atmosphere and of a red phosphor of a yttrium oxide compound, are homogeneously formed on the wall surface of partition walls (109), thereby making the charge characteristics of a phosphor in each color identical, reducing the oxygen deficiency of a phosphor, restricting the adsorption of various gases during a panel fabrication process, stabilizing charge characteristics during driving, and preventing brightness deterioration. © KIPO & WIPO 2007 ...

PHOSPHOR AND METHOD FOR PRODUCTION THEREOF AND PLASMA DISPLAY DEVICE

A plasma display device which has a green phosphor having a crystal structure of Zn2SiO4:Mn, characterized in that a part of the green phosphor is substituted with a monovalent oxide, wherein the monovalent oxide is preferably at least one of lithium oxide (Li2O), sodium oxide (Na2O), potassium oxide (K2O), cesium oxide (Cs2O), rubidium oxide (Rb 2O), copper oxide (Cu2O) and silver oxide (Ag2O). The plasma display has a green phosphor being reduced in oxygen defects formed therein and as a result being suppressed in the deterioration of its brightness, and thus exhibits improved discharge characteristics. © KIPO & WIPO 2007 ...

Red phosphor and luminous element using the same

The present invention relates to a phosphor and a luminous element using the same. The present invention provides a phosphor for absorbing a portion of light emitted from a light source and emitting light with a wavelength different from that of the absorbed light. The phosphor comprises a fluorescent material having an alkaline earth metal- germanium metal-sulfur structure that contains Ge and at least one element selected from the group consisting of Sr and Ca and is activated by Eu. The phosphor of the present invention increases a color rendering index (CRI) of a white luminous element for a general lighting apparatus, and a luminous element using the phosphor has an advantage in that it is suitable for a white luminous element backlight which can substitute for a cold cathode fluorescent lamp (CCFL) in medium and large-sized TVs and has higher color reproducibility and higher white uniformity.

Light emitting device using electron emission and flat display apparatus using the same

Provided are a light emitting device using electron emission with a low driving voltage and high luminous efficiency, and a flat display apparatus using the light emitting device. In addition, a light emitting device using electron emission in which with a nano-sized gap can be formed with repeatability and have reliability is provided. The light emitting device includes: a plurality of PN junctions, each including a depletion layer having a predetermined thickness; an anode electrode facing the depletion layer and separated from the depletion layer by a predetermined distance; and a phosphor layer formed on a surface of the anode electrode. The flat display apparatus includes the light emitting device.

White light source and display apparatus using the same

A white light source includes an ultraviolet-visible excitation light generation unit capable of generating visible light and ultraviolet light, and a fluorescence generation unit having a phosphor layer and being capable of generating visible light upon excitation by the ultraviolet light and uses, in the phosphor layer, a red light emitting phosphor represented by the following compositional formula: (Ca1-a-bSraEub)S:Mc, wherein a, b and c satisfy the following conditions: 0<=a<1.0, 0<=b<0.1 and 0<=c<=0.1; and M is a dopant element having absorption of excitation energy at about 350 nm to about 500 nm. The dopant element M includes rare earth elements such as Ce, Yb, Gd and Tm. By substituting part of Ca and/or Sr with Zn, the white light source can exhibit further improved performances. The white light source exhibits an increased red light component as compared with light emitted from conventional (Y1-a-bGdaCeb)3(Al1-cGac)5O12 green light phosphors and is suitably used in display apparatus ...

Fluorescent lamp and display apparatus

There is provided a fluorescent lamp having construction where no difference is surely caused between a composition of the fluorescent particle mixture at one end portion of the glass tube and a composition of the fluorescent particle mixture at another end portion of the glass tube. The fluorescent lamp includes the glass tube and a fluorescent particle layer, formed on the inner surface of the glass tube, including a fluorescent particle mixture of blue light emitting fluorescent particles having an average specific gravity of 4.0±0.4, red light emitting fluorescent particles having an average specific gravity of 4.0±0.4, and green light emitting fluorescent particles having an average specific gravity of 4.0±0.4, wherein the fluorescent particle mixture forming the fluorescent particle layer has a specific gravity of 4.0±0.4.

Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device

An organometallic complex which can be provided at low cost and which emits blue phosphorescence is provided. An organometallic complex in which nitrogen at the 1-position of a 5-aryl-4H-1,2,4-triazole derivative is coordinated to a Group 9 metal or a Group 10 metal, the aryl group is bonded to the Group 9 metal or the Group 10 metal, and the 5-aryl-4H-1,2,4-triazole derivative is a 3-aryl-5,6,7,8-tetrahydro-4H-[1,2,4]triazolo[4,3-a]pyridine derivative is provided. The organometallic complex emits green to blue phosphorescence and is also advantageous in terms of cost.

Display device, screen panel and phosphor material composition thereof

FLUORESCENT MATERIAL AND FLUORESCENT MATERIAL PASTE

Phosphor and ultraviolet ray exited luminescent element

A phosphor which comprises a compound represented by the formula (I): Ca1-b-dSrbEucMgSi2O6 (I) [wherein 0.5 < b <1, and 0 < c = 0.1]; and an ultraviolet ray exited luminescent element which includes the above phosphor.

PHOSPHOR AND METHOD FOR PRODUCTION THEREOF AND PLASMA DISPLAY DEVICE

LUMINESCENT DEVICE

This invention provides a luminescent device comprising a blue fluorescent substance-containing fluorescent substance layer. The fluorescent substance layer comprises, as a blue fluorescent substance, an aluminate fluorescent substance comprising Ba, Sr, Eu, Mg, Al and O as constituent elements at an atomic ratio of Ba : Sr : Eu : Mg : Al : O = p : q : r : 1 : w : 17, wherein 0.70 ≤ p ≤ 0.95, 0 ≤ q ≤ 0.15, 0.05 ≤ r ≤ 0.20, p + q + r ≥ 1, and 9.8 ≤ w ≤ 10.5. When the aluminate fluorescent substance is subjected to X-ray crystal structure analysis on the assumption that the aluminate fluorescent substance belongs to a space group P63/mmc, the aluminate fluorescent substance has a linear bond function s of not more than 1 as calculated by s = -11622 + 2043.07La + 199.24L1 - 116.91L2 wherein La represents a lattice constant, Å; L1 represents atomic distance between Al(2) and O(5), Å; and L2 represents atomic distance between Al(1) and O(4), Å.

OXYNITRIDE PHOSPHORS FOR USE IN LIGHTING APPLICATIONS HAVING IMPROVED COLOR QUALITY

Disclosed are oxynitride phosphor compositions having the formula (RE1- xCeX)3AIa-y-z-wSiyGazScwO12-yNy, where RE is at least one of Lu, Gd, Y, and Tb, 0.001 ≤x≤0.10, 0≤w≤2, 0.001 ≤y≤0.50, 0≤z≤4.999, and 4.5≤a≤5.0. When combined with radiation from a blue or UV LED, these phosphors can provide light sources with good color quality having high CRI over a large color temperature range. Also disclosed are blends of the above oxynitrid.e phosphors and additional phosphors.

QUANTUM DOT BASED LIGHTING

Systems and methods are described that relate to quantum dot (QD) structures for lighting applications. In particular, quantum dots and quantum dot containing inks (comprising mixtures of different wavelength quantum dots) are synthesized for desired optical properties and integrated with an LED source to create a trichromatic white light source. The LED source may be integrated with the quantum dots in a variety of ways, including through the use of a small capillary filled with quantum dot containing ink or a quantum dot containing film placed appropriately within the optical system. These systems may result in improved displays characterized by higher color gamuts, lower power consumption, and reduced cost.

IMAGE DISPLAY DEVICE

PROBLEM TO BE SOLVED: To improve the life characteristics of a field emission display device. SOLUTION: The field emission display device has a face plate on which a fluorescent film is formed and a means to irradiate the above fluorescent film with electron beams, and the above fluorescent film is represented by the formula: ZnS:M, Al (wherein M is an activator composed of at least one kind of Cu, Ag, and Au; and Al is a coactivator), and by the phosphor having an Al concentration higher than the M concentration, the charging characteristics are improved and the resistance is lowered, and furthermore the defect concentration in the surface of the phosphor is reduced and a field emission display device which realizes the improvement of the life characteristics which has not been solved heretofore can be manufactured. COPYRIGHT: (C)2004,JPO ...

Method for producing a ss-SiA1ON phosphor

Method of preparing a beta-SiAlON phosphor

A method of preparing a β-SiAION phosphor comprises weighing a silicon raw material, an aluminum raw material and an activator raw material in order to prepare a β-SiAION phosphor represented by the following formula: Si(6-x)AlxOyN(8-y):Lnz , wherein Ln is a rare earth element and 0 Подробнее

A composition for a photo-conductive layer and a method for preparing a flourescent layer on a CRT panel

Phosphor thin film, its production method and EL panel

Plasma display device

A plasma display device is provided in which deterioration in brightness of phosphor layers can be avoided. The plasma display device includes a plasma display panel in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor layers include blue phosphor, the blue phosphor being composed of an alkaline-earth metal aluminate phosphor containing at least one element selected from the group consisting of Mo and W. The addition of hexavalent ions (Mo, W) in the blue phosphor allows the elimination of oxygen defects in the vicinity of a layer containing Ba atoms (Ba-O layer), the suppression of adsorption of water to the surface of the blue phosphor and the improvement of deterioration in brightness and a change in chromaticity for the respective phosphors and discharge characteristics ...

MULTICOLOURED LUMINOUS FLUORESCENT DISPLAY DEVICE

LUMINOPHORE OF LUMINOUS HOT COLORS AND DISOSITIF Of AFFICHAGEFLUORESCENT.

FLUORESCENT MATERIAL FOR DISPLAY UNIT, PROCESS FOR PRODUCING THE SAME AND COLOR DISPLAY UNIT INCLUDING THE SAME

Fluorescent material for display unit (1) comprising fluorescent material matrix grains (2) constituted substantially of zinc sulfide of crystal structure composed mainly of, for example, hexagonal crystal or cubic crystal. First activator (3) is localized in surface layer part (2a) of the fluorescent material matrix grains (2). Second activator is uniformly dispersed in the fluorescent material matrix grains (2). The color of light emitted from a fluorescent material of zinc sulfide having a crystal structure of, for example, hexagonal crystal can be improved by such a grain structure. Alternatively, unwanted light emission attributed to electron beams on the low voltage side of the fluorescent material for display unit (1) can be suppressed. © KIPO & WIPO 2007 ...

GREEN-EMITTING, GARNET-BASED PHOSPHORS IN GENERAL AND BACKLIGHTING APPLICATIONS

FLUORESCENT DISPLAY DEVICE HAVING PHOSPHOR LAYER CONTAINING COMPOUND SELECTED FROM P, K OR NA AND PHOSPHOR PASTE

PURPOSE: A fluorescent display device and a phosphor paste are provided to achieve improved luminance residual ratio and high temperature exposure characteristics by adding a specific material to the phosphor layer of the device so as to remove moisture and residual gas from the device. CONSTITUTION: A fluorescent display device excites a phosphor layer and emits light by permitting a low speed electron beam to collide against the anode on which the phosphor layer is formed. The phosphor layer contains a phosphor, and one or more compounds selected from P, K or Na. A phosphor paste comprises one or more phosphors selected from ZnO:Zn phosphor, (Zn,Mg)O-based phosphor, Ln2O2S:Re(Ln=La,Gd,Lu/Re=Eu,Tb) phosphor, ZnGa2O4 or ZnGa2O4:Mn phosphor, and one or more compounds selected from K3PO4, P2O5 or Na2SiO3. © KIPO 2005 ...

Novel aluminate-based green phosphors

PLASMA DISPLAY APPARATUS, FLUORESCENT MATERIAL, AND FLUORESCENT MATERIAL MANUFACTURING METHOD

Adsorption of water by the surface of a blue fluorescent material is suppressed to improve degradation inluminance, change in chromaticity or discharge characteristic of the fluorescent material. In a fluorescent layer used in a plasma display, adsorption of water by the surface of the blue fluorescent material is suppressed, and degradation in luminance, change in chromaticity or discharge characteristic of the fluorescent material is improved by eliminating oxygen defects in the vicinity of a layer (Ba-O layer) containing Ba atoms of the blue fluorescent material.

PHOSPHOR, PHOSPHOR PASTE AND LUMINESCENT ELEMENT BEING EXITED BY VACUUM ULTRAVIOLET RAY

A phosphor which comprises the following fluorescent substances (I) and (II), wherein the fluorescent substance (I) contains a silicic acid salt and Mn as an activating agent, and the fluorescent substance (II) contains a compound represented by the formula (1), or, a compound represented by the formula (2), and Tb as an activating agent; (M11-aM2a)(Mg1-b-cZnb)Al11-dMnc+dO19-(a+d)/2 (1) [wherein M1 is at least one selected from the group consisting of La, Y and Gd, M2 is at least one selected from the group consisting of Ca, Sr and Ba, a is 0 to 0.6, b is 0 to 1, c is 0 to 0.5, d is 0 to 0.5, b + d is 1 or less, and c + d is more than 0 and 0.5 or less]; and M32O3 • mAl2O3 • nB2O3 (2) [wherein M3 is at least one selected from the group consisting of La, Y and Gd, m is 2.5 to 4.5, and n is 3.5 to 5.5 ]. The phosphor and a phosphor paste made of the phosphor exhibits high brightness even when they are exposed to a plasma.

HIGHLY TRANSMISSIVE ELECTROLUMINESCENT LAMP

A highly transmissive electroluminescent lamp (100); where the lamp (100) has a front electrode (300) electrically connected to a first clear conductive layer (201) of PDOT or functionally similar material, a phosphor layer (202) and a dielectric layer (203). The phosphor layer (202) contains nano-particles of phosphor, where the nano- particles have a size less than about 100 nm. The dielectric layer (203) contains nano- particles of a dielectric, where these nano-particles have a size less than about 100 nm. There is a second clear conductive layer (201) of PDOT, and a back electrode (310) electrically connected to the second clear conductive layer (201), for energizing the lamp (100). In other embodiments (110), the particles in the phosphor layer (202) may have sizes larger than 100 nm, while still achieving the effect of substantial transparency of such embodiments.

Fluorescent material and fluorescent material paste

A phosphor having a high brightness after being exposed to plasma and a phosphor paste containing the phosphor. The phosphor comprises a fluorescent substance A1 containing a compound represented by the following formula (I) and at least one activator selected from the group consisting of Eu and Mn, and a fluorescent substance B1 containing an aluminate; mM1O.nM2O.2M3O2 (I) [in the formula (I), M1 is at least two selected from the group consisting of Ca, Sr and Ba, or Ca alone or Ba alone; M2 is at least one selected from the group consisting of Mg and Zn; M3 is at least one selected from the group consisting of Si and Ge; 0.5≦m≦3.5; and 0.5≦n≦2.5].

GREEN-EMITTING, GARNET-BASED PHOSPHORS IN GENERAL AND BACKLIGHTING APPLICATIONS

Phosphor, production method thereof and light emitting instrument

A light emitting element includes a light-emitting source for emitting light at a wavelength of 330 to 500 nm and a constituent phosphor. The constituent phosphor includes a compound including M, A, Al, O, and N, where M is at least one kind of element selected from Mn, Ce, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb, and A is at least one kind of element selected from C, Si, Ge, Sn, B, Ga, In, Mg, Ca, Sr, Ba, Sc, Y, La, Gd, Lu, Ti, Zr, Hf, Ta, and W.

Luminophore and Light Source Containing such a Luminophore

A luminophore from the class of nitridic or oxynitridic luminophores with at least one cation M and an activator D, wherein a proportion x of the cation is replaced with Cu and D is at least one element from the series Eu, Ce, Sm, Yb and Tb 1. A luminophore from the class of nitridic or oxynitridic luminophores with at least one cation M and an activator D , wherein a proportion x of the cation is replaced with Cu and D is at least one element from the series Eu , Ce , Sm , Yb and Tb.2. The luminophore as claimed in claim 1 , wherein the luminophore is a nitridosilicate claim 1 , an oxynitridosilicate claim 1 , a modified CaAlSiN claim 1 , or an alpha-Sialon.3. The luminophore as claimed in claim 1 , wherein the luminophore comprises Eu as the activator.4. The luminophore as claimed in claim 1 , wherein the proportion of Cu in M lies in the range of 0.05 mol % to 5 mol %.5. The luminophore as claimed in claim 1 , wherein the proportion of the activator D lies in the range of 0.2 mol % to 15 mol %.6. The luminophore as claimed in claim 1 , wherein the luminophore is a calsin of the type Cal-xCuxAlSiN3:Eu.7. The luminophore as claimed in claim 1 , wherein the proportion of Cu in M lies in the range of 0.2 mol % to 5 mol %.8. A light source comprising a luminophore as claimed in .9. The light source as claimed in claim 1 , wherein the light source is a conversion-type LED claim 1 , a fluorescent lamp or a high pressure discharge lamp.10. A conversion-type LED having a chip which emits primary radiation claim 1 , and a layer containing a luminophore arranged in front of the chip claim 1 , said layer converting at least part of the primary radiation of the chip into secondary radiation claim 1 , wherein said luminophore is a first luminophore as claimed in .11. The conversion-type LED as claimed in claim 10 , wherein (Lu claim 10 ,Y claim 10 ,Gd)3(Al claim 10 ,Ga)5O12:Ce is used as a further luminophore to produce white.12. The conversion-type LED as claimed in claim 10 ...

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 EA=Sr, Ba, Ca or Mg alone or in combination, wherein the activating doping D consists of Eu and wherein a deficiency of SiO2 is introduced, such that a modified sub stoichiometric orthosilicate is present. 1. 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 EA=Sr , Ba , Ca or Mg alone or in combination , wherein the activating doping D consists of Eu and wherein a deficiency of SiO2 is introduced , such that a modified sub stoichiometric orthosilicate is present.2. The phosphor as claimed in claim 1 , wherein the orthosilicate is an orthosilicate stabilized with SE and N claim 1 , where SE=rare earth metal claim 1 , such that the stoichiometry corresponds to EA2 x aSExEUaSi1 yO4 x 2yNx.3. The phosphor as claimed in claim 1 , wherein SE=La or Y alone or in combination.4. The phosphor as claimed in claim 2 , wherein the proportion a of the Eu is between a=0.01 and 0.20.5. The phosphor as claimed in claim 1 , wherein EA contains Sr and/or Ba with at least 66 mol % claim 1 , in particular with a Ca proportion of a maximum of 5 mol % and in particular with an Mg proportion of a maximum of 30 mol %.6. The phosphor as claimed in claim 1 , wherein the proportion x is between 0.003 and 0.02.7. The phosphor as claimed in claim 1 , wherein the factor y crucial for the deficiency is in the range of 0 Подробнее

Phosphor, Lighting Fixture, and Image Display Device

A phosphor substituting the conventional sialon phosphor or oxide phosphor activated by rare earth and an application thereof are provided. The phosphor of the present invention comprises an inorganic crystal including at least La, Si, Al, N (nitrogen), M element (M is at least one kind of element selected from the group consisting of Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb), and O (oxygen) if necessary and the inorganic crystal is a host crystal, which is LaSiAlNcrystal or a solid-solution crystal thereof, activated by the M element. 1. A phosphor comprising an inorganic crystal including: La , Si , Al , N (nitrogen) , M element (M is at least one kind of element selected from a group consisting of Ce , Pr , Nd , Sm , Eu , Gd , Tb , Dy , Ho , Er , Tm , and Yb) , and O (oxygen) if necessary;{'sub': 9', '19', '32', '9', '19', '32, 'wherein said inorganic crystal comprises LaSiAlNcrystal or a solid solution crystal of LaSiAlNcrystal as a host crystal, which is activated by said M element.'}2. The phosphor according to wherein said host crystal is LaSiAlNcrystal.3. The phosphor according to wherein said inorganic crystal is LaMSiAlONcrystal (here claim 1 , x satisfies: 0.001≦x≦0.99 and y satisfies: 0.001≦y≦0.99).4. The phosphor according to wherein said inorganic crystal is LaEuSiAlONcrystal (here claim 1 , x satisfies: 0.001≦x≦0.99 and x=y).5. The phosphor according to wherein said inorganic crystal is LaCeSiAlNcrystal (here claim 1 , x satisfies: 0.001≦x≦0.99).6. The phosphor according to wherein an atomic fraction a of said La claim 1 , an atomic fraction b of said Si claim 1 , an atomic fraction c of said Al claim 1 , an atomic fraction d of said O claim 1 , an atomic fraction e of said N claim 1 , and an atomic fraction f of said M element in said inorganic crystal satisfies:{'br': None, '0.0001≦a≦0.03\u2003\u2003(i),'}{'br': None, '0.1≦b≦0.2\u2003\u2003(ii),'}{'br': None, '0.25≦c≦0.4\u2003\u2003(iii),'}{'br': None, '0≦d≦0.1\u2003\u2003(iv),'}{'br': None ...

METHOD FOR PREPARING A ß-SIAION PHOSPHOR

There is provided a method for preparing a β-SiAlON phosphor capable of be controlled to show characteristics such as high brightness and desired particle size distribution. The method for preparing a β-SiAlON phosphor represented by Formula: Si (6-x) Al x O y N (8-y) :Ln z (wherein, Ln is a rare earth element, and the following requirements are satisfied: 0<x≦4.2, 0<y≦4.2, and 0<z≦1.0) includes: mixing starting materials to prepare a raw material mixture; and heating the raw material mixture in a nitrogen-containing atmospheric gas, wherein the starting materials includes a host raw material including a silicon raw material including metallic silicon, and at least one aluminum raw material selected from the group consisting of metallic aluminum and aluminum compound, and at least activator raw material selected from the rare earth elements for activating the host raw material.

Phosphor, Manufacture Thereof, Light-Emitting Device, and Image Display Device

Provided is a chemically-thermally stable phosphor having different emission characteristics from the conventional and exhibiting high emission intensity with an LED of 470 nm or less. A phosphor of the present invention includes A, D, E, and X elements (A is one or more kinds selected from Mg, Ca, Sr and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr and Hf; E is one or more kinds selected from B, Al, Ga, In, Sc, Y and La; and X is one or more kinds selected from O, N and F), and an inorganic crystal of a crystal designated by SrSiAlON, another inorganic crystal having the same crystal structure as SrSiAlON, or a solid-solution crystal thereof, wherein M (one or more kinds of elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid-solved. 1. A phosphor comprising: an inorganic compound comprising:{'sub': 1', '3', '2', '4', '4', '1', '3', '2', '4', '4, 'an inorganic crystal constituted of a crystal designated by SrSiAlON, another inorganic crystal having a same crystal structure as the crystal designated by the SrSiAlON, or a solid-solution crystal thereof, into which an M element is solid-solved wherein M is one or more kinds of elements selected from a group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb,'}wherein the inorganic crystal, the other inorganic crystal, or the solid-solution crystal comprises: at leastan A element wherein A is one or more kinds of elements selected from the group consisting of Mg, Ca, Sr, and Ba;a D element wherein D is one or more kinds of elements selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hf;an E element wherein E is one or more kinds of elements selected from the group consisting of B, Al, Ga, In, Sc, Y, and La; andan X element wherein X is one or more kinds of elements selected from the group consisting of O, N, and F.2. The phosphor according to claim 1 ,{'sub': 1', '3', '2', '4', '4', '1', '3', '2', '4', '4', '1', '5', '8, 'wherein the other inorganic crystal having the ...

LIGHT EMISSION APPARATUS AND MANUFACTURING METHOD THEREOF

A light emission apparatus () and a manufacturing method thereof are provided. The light emission apparatus includes a light emission base body () and a metal layer () with metal microstructure. The metal layer is set on the surface of the light emission base body. The material of light emission base body is transparent ceramic YAlO:Tb. By setting a metal layer with metal microstructure on the light emission base body, the interface between the metal layer and the light emission base body could form a surface plasmon under the cathode ray (). The spontaneous emission of the transparent ceramic and the emission efficiency of the light emission base body could be enhanced by the effect of surface plasmon. 1. A luminescent device , wherein the luminescent device comprises a luminescent substrate and a metal layer which is disposed on the surface of the luminescent substrate and has a metal microstructure; and the material for the luminescent substrate is transparent ceramic having a formula of YAlO:Tb.2. The luminescent device according to claim 1 , wherein the material for the metal layer is at least one selected from the group consisting of gold claim 1 , silver claim 1 , aluminum claim 1 , copper claim 1 , titanium claim 1 , iron claim 1 , nickel claim 1 , cobalt claim 1 , chromium claim 1 , platinum claim 1 , palladium claim 1 , magnesium and zinc.3. The luminescent device according to claim 1 , wherein the thickness of the metal layer is in the range of 0.5 nm to 200 nm.4. A method for manufacturing a luminescent device claim 1 , comprising the steps of:{'b': '1', 'step S: washing and drying a luminescent substrate;'}{'b': '2', 'step S: disposing a metal layer on a surface of the luminescent substrate;'}{'b': '3', 'step S: annealing the luminescent substrate disposed with the metal layer in vacuum and then cooling, to produce a luminescent device having the metal layer with a metal microstructure.'}51. The method according to claim 4 , wherein claim 4 , in step S ...

Ultraviolet Light-Emitting Material And Ultraviolet Light Source

The invention provides a new ultraviolet light-emitting material and ultraviolet light source in which bacteriocidal performance, operating life, and luminescence efficiency are enhanced without any risk of adversely affecting human bodies. An ultraviolet light-emitting material has a composition as represented by Formula (A): 2. The ultraviolet light-emitting material according to claim 1 , wherein x is from 0.00078 to 0.040.3. The ultraviolet light-emitting material according to claim 1 , wherein the ultraviolet light-emitting material is obtained by mixing Al(OH)powder with ScClpowder as a dopant claim 1 , and subsequently calcining a mixture of Al(OH)powder and ScClpowder to create powdery ultraviolet light-emitting material.4. An ultraviolet light source claim 1 , comprising:{'sub': 1−x', 'x', '2', '3', '2', '3, 'an anode having a luminescent layer in which ultraviolet light-emitting material having a composition as represented by Formula (A): (AlSc)O(A) wherein a dopant, Sc is added to a matrix, AlO, and wherein x satisfies 0 Подробнее

Light-emitting polymer

A radiation-emitting polymer composition includes a polysiloxane polymer including tritium and a wavelength-shifter chemically bonded as a side chain to the polysiloxane polymer or chemically bonded as a side chain to a siloxane carrier dispersed within the polysiloxane polymer. The wavelength-shifter includes a plurality of cyclic chemical moieties and emits electromagnetic radiation in response to radiation emitted by the tritium.

QUANTUM DOT BASED LIGHTING

Systems and methods are described that relate to quantum dot (QD) structures for lighting applications. In particular, quantum dots and quantum dot containing inks (comprising mixtures of different wavelength quantum dots) are synthesized for desired optical properties and integrated with an LED source to create a trichromatic white light source. The LED source may be integrated with the quantum dots in a variety of ways, including through the use of a small capillary filled with quantum dot containing ink or a quantum dot containing film placed appropriately within the optical system. These systems may result in improved displays characterized by higher color gamuts, lower power consumption, and reduced cost. 1. A backlight unit apparatus comprisinga light source capable of emitting blue light positioned to be capable of illuminating an optical material comprising a host material and first quantum dots capable of emitting green light and second quantum dots capable of emitting red light, wherein the weight percent ratio of the first quantum dots to the second quantum dots in the optical material is in a range from about 9:1 to about 2:1; andthe optical material being further positioned adjacent to a surface of a transparent light guide, wherein trichromatic light can be generated from a combination of green light emitted from the first quantum dots, red light emitted from the second quantum dots, and a portion of blue light emitted from the light source.2. The backlight unit apparatus in accordance with wherein the optical material is positioned adjacent an edge surface of the light guide.3. The backlight unit apparatus in accordance with wherein the optical material is included in a transparent capillary.4. The backlight unit apparatus in accordance with wherein a light reflective material partially surrounds the capillary such that light emitted from the optical material in a direction away from the edge of the light guide is reflected toward the edge of the ...

Fluorophore, Method for Producing Same, Light-Emitting Device, and Image Display Device

Provided is chemically and thermally stable phosphor having light-emitting characteristics different from the conventional phosphor and high emission intensity when combined with LED of not exceeding 470 nm. The phosphor comprises inorganic compound having crystal represented by A(D,E)X; crystal represented by CaSiON; or inorganic crystal having the same crystal structure as crystal represented by CaSiON, which includes A, D, E, and X elements (A is one or more kinds selected from Mg, Ca, Sr, and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more kinds selected from B, Al, Ga, In, Sc, Y, and La; and X is one or more kinds selected from O, N, and F), in which M element (M is one or more kinds of elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid-solved. 1. A phosphor comprising: an inorganic compound comprising:{'sub': 2', '5', '9', '2', '5', '3', '6', '2', '5', '3', '6, 'a crystal represented by A(D,E)X; a crystal represented by CaSiON; or an inorganic crystal having a same crystal structure as the crystal represented by the CaSiON, which includes an A element, a D element, an E element, and an X element (wherein A is one or two or more kinds of elements selected from the group consisting of Mg, Ca, Sr, and Ba; D is one or two or more kinds of elements selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hf; E is one or two or more kinds of elements selected from the group consisting of B, Al, Ga, In, Sc, Y, and La; and X is one or two or more kinds of elements selected from the group consisting of O, N, and F),'}wherein an M element (wherein M is one or two or more kinds of elements selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid-solved into each of the crystals.2. The phosphor according to claim 1 ,{'sub': 2', '5', '9, 'wherein the crystal represented by A(D,E)Xcomprisesat least one kind of element selected from the group consisting of Ca, Ba, and Sr at least as ...

ULTRAVIOLET LIGHT-GENERATING TARGET AND METHOD FOR MANUFACTURING THE SAME, AND ELECTRON BEAM-EXCITED ULTRAVIOLET LIGHT SOURCE

An ultraviolet light-generating target comprising a substrate transmitting ultraviolet light; and a light-emitting layer provided on the substrate and emitting ultraviolet light in response to an electron beam, wherein the light-emitting layer is an amorphous layer formed of AlOdoped with Sc. 1. An ultraviolet light-generating target comprising:a substrate transmitting ultraviolet light; anda light-emitting layer provided on the substrate and emitting ultraviolet light in response to an electron beam,{'sub': 2', '3, 'wherein the light-emitting layer is an amorphous layer formed of AlOdoped with Sc.'}2. The ultraviolet light-generating target according to claim 1 , wherein a thickness of the light-emitting layer is 2.0 μm or less.3. The ultraviolet light-generating target according to claim 1 , wherein a doping concentration of the Sc in the light-emitting layer is 4.0 atomic % or less.4. An electron beam-excited ultraviolet light source comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the ultraviolet light-generating target according to ; and'}an electron source providing the electron beam to the ultraviolet light-generating target.5. The electron beam-excited ultraviolet light source according to claim 4 , wherein a thickness of the light-emitting layer is 2.0 μM or less.6. The electron beam-excited ultraviolet light source according to claim 4 , wherein a doping concentration of the Sc in the light-emitting layer is 4.0 atomic % or less.7. A method for manufacturing an ultraviolet light-generating target claim 4 , comprising:{'sub': 2', '3, 'vapor-depositing AlOdoped with Sc on a substrate transmitting ultraviolet light, to form an amorphous layer; and'}firing the amorphous layer.8. The method for manufacturing an ultraviolet light-generating target according to claim 7 , wherein a thickness of the amorphous layer is set at 2.0 μm or less.9. The method for manufacturing an ultraviolet light-generating target according to claim 7 , wherein a doping ...

CORE-SHELL FLUORESCENT MATERIAL AND LIGHT SOURCE DEVICE USING THE SAME

A core-shell fluorescent material and a light source device using the same are disclosed. The core-shell fluorescent material includes a core and a shell for generating an emitting light with wavelength within 520 and 800 nm after absorbing an exciting light with wavelength within 370 and 500 nm. The core may include yellow, green or red fluorescent powder, and the shell includes manganese (IV)-doped fluoride compound. The light source device generally includes the core-shell fluorescent material, a radiation source, leads and a package. The leads provide current to the radiation source and cause the radiation source to emit radiation. The core-shell fluorescent material is coated on the package for receiving the radiation so as to generate a high quality emission served as the desired light source for the field of lighting and displaying. 1. A core-shell fluorescent material for generating an emitting light with a peak wavelength within 520 and 800 nm after being excited by ultraviolet light and visible light within 370 and 500 nm , comprising:a core comprising yellow, green or red fluorescent powder; and{'sub': x', '6-y', 'y, 'sup': '4+', 'a shell coated on the core and comprising manganese (IV)-doped fluoride compound specified by a chemical formula AMFZ:Mn,'}{'sup': '4+', 'wherein A is selected from Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, or combinations thereof, M is selected from Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or combinations thereof, F is the fluorine element, Z is the halogen element comprising at least one of Cl, Br, I, or combinations thereof, 0 Подробнее

LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR

The invention belongs to the field of luminescent materials. Disclosed are luminescent materials doped with metal nano particles and preparation methods therefor. The luminescent materials doped with metal nano particles are represented by the chemical formula: A(PO)SiO:xRE@M, wherein @ is for coating, M is inner core, M is one metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce, Dy and Mn; A is one or two elements selected from Ca, Sr, Ba, Mg, Li, Na and K; x is stoichiometric coefficient, 0 Подробнее

PHOSPHOR COMPOSITIONS AND LIGHTING APPARATUS THEREOF

A phosphor composition is presented. The phosphor composition includes a solid solution of aluminum nitride and a complex oxide including europium and strontium, where an amount of oxygen in the solid solution is at least 0.4 weight percent and less than 1 weight percent. A lighting apparatus including a phosphor material including the phosphor composition is also provided. 1. A phosphor composition comprising a solid solution of aluminum nitride and a complex oxide comprising europium and strontium , wherein an amount of oxygen in the solid solution is at least 0.4 weight percent and less than 1 weight percent.2. The phosphor composition according to claim 1 , wherein the amount of oxygen is in a range of from about 0.5 weight percent to about 0.9 weight percent.3. The phosphor composition according to claim 1 , wherein the solid solution is free of silicon.4. The phosphor composition according to claim 1 , wherein a ratio of europium to strontium is in a range of from about 1:4 to about 4:1.5. The phosphor composition according to claim 1 , wherein europium is present in an amount in a range of from about 0.5 weight percent to 8.0 weight percent.6. The phosphor composition according to claim 1 , wherein strontium is present in an amount in a range of from about 0.25 weight percent to 4 weight percent.7. The phosphor composition according to claim 1 , having a peak emission in a wavelength range from about 450 nanometers to about 550 nanometers.8. A lighting apparatus comprising a light source and a phosphor material radiationally coupled to the light source claim 1 , wherein the phosphor material comprises the phosphor composition in accordance with .9. The lighting apparatus according to claim 8 , wherein the light source comprises a light emitting diode (LED) chip.10. A backlight apparatus comprising a light source and a phosphor material radiationally coupled to the light source claim 1 , wherein the phosphor material comprises the phosphor composition in ...

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M 1−x Eu x Al y O 1+3y/2 , where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5:≦y≦12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

Phosphor, method for preparing and using the same, light emitting device package, surface light source apparatus and lighting apparatus using red phosphor

Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M) 2 SiO 4-x Ny:Eu, where M is a metallic element, 0<x<4, and y=2x/3.

Green-emitting, garnet-based phosphors in general and backlighting applications

Disclosed herein are green-emitting, garnet-based phosphors having the formula (Lu 1-a-b-c Y a Tb b A c ) 3 (Al 1-d B d ) 5 (O 1-e C e ) 12 :Ce,Eu, where A is selected from the group consisting of Mg, Sr, Ca, and Ba; B is selected from the group consisting of Ga and In; C is selected from the group consisting of F, Cl, and Br; and 0≦a≦1; 0≦b≦1; 0<c≦0.5; 0≦d≦1; and 0<e≦0.2. These phosphors are distinguished from anything in the art by nature of their inclusion of both an alkaline earth and a halogen. Their peak emission wavelength may lie between about 500 nm and 540 nm; in one embodiment, the phosphor (Lu,Y,A) 3 Al 5 (O,F,Cl) 12 :Eu 2+ has an emission at 540 nm. The FWHM of the emission peak lies between 80 nm and 150 nm. The present green garnet phosphors may be combined with a red-emitting, nitride-based phosphor such as CaAlSiN 3 to produce white light.

Novel aluminate-based green phosphors

화학식 M 1-x Eu x Al y O 1+3y/2 를 갖는 새로운 알루미네이트계 그린 형광체가 개시되는데, 여기서 M은 Ba, Sr, Ca, Mg, Mn 및 Zn으로 구성된 그룹으로부터 선택되는 하나 이상의 2가 금속이고; 0.1<x<0.9; 그리고 0.5<y<1.2이다. 상기 형광체는 대략 280 내지 420nm의 범위의 파장을 갖는 실질적으로 비가시적인 방사선을 흡수하고, 대략 500 내지 550nm의 범위의 파장을 갖는 가시적인 그린 방사선을 방출하도록 구성된다. 일 실시예에서, 상기 형광체는 2가의 알칼리토금속 Mg를 포함하고 Mn이 또한 존재할 수도 있다. 본 발명의 알루미네이트계 그린 형광체의 새로운 특징은, 상대적으로 좁은 범위의 파장의 방사선을 방출되도록 구성될 수 있다는 점이다; 일 실시예에서 이 범위는 약 518 내지 520nm이다. 대안적인 실시예에서, 상기 형광체는 최대값의 절반에서 약 40nm와 동일하거나 이보다 작은 전체 폭을 갖는 피크 파장을 갖는 가시광을 방출한다. A new aluminate based green phosphor having the formula M 1-x Eu x Al y O 1 + 3y / 2 is disclosed wherein M is at least one selected from the group consisting of Ba, Sr, Ca, Mg, Mn and Zn. Is a metal; 0.1 <x <0.9; And 0.5 <y <1.2. The phosphor is configured to absorb substantially invisible radiation having a wavelength in the range of approximately 280-420 nm and to emit visible green radiation having a wavelength in the range of approximately 500-550 nm. In one embodiment, the phosphor comprises a divalent alkaline earth metal Mg and Mn may also be present. A new feature of the aluminate-based green phosphors of the present invention is that they can be configured to emit radiation in a relatively narrow range of wavelengths; In one embodiment this range is about 518-520 nm. In an alternative embodiment, the phosphor emits visible light having a peak wavelength having an overall width equal to or less than about 40 nm at half the maximum value.

Plasma display

β-알루미나 결정 구조를 가지고 표면이 양(+)으로 대전하고, 산소-질소분위기 중에서 소성하여 산소 결함을 삭감한 청색 형광체 및 녹색 형광체와, 산화이트륨계 화합물인 적색 형광체가 조합한 것으로 이루어지는 형광체층(110G, 110B, 110R)을 격벽(109)의 벽면에 균질하게 형성함으로써, 각 색의 형광체의 대전특성이 동일해지는 동시에, 형광체의 산소 결함을 저감하고, 패널 작성 공정에서의 각종 가스의 흡착을 억제하여, 구동 중의 방전 특성의 안정화를 도모하고, 휘도 열화를 방지할 수 있다. A phosphor layer comprising a blue phosphor and a green phosphor having a β-alumina crystal structure, positively charged on the surface, and fired in an oxygen-nitrogen atmosphere to reduce oxygen defects, and a red phosphor as a yttrium-based compound. By forming the 110G, 110B, and 110R homogeneously on the wall surface of the partition wall 109, the charging characteristics of the phosphors of each color are the same, and the oxygen defects of the phosphors are reduced, and adsorption of various gases in the panel making process is performed. By suppressing, stabilization of discharge characteristics during driving can be achieved, and deterioration in luminance can be prevented.

Red fluorescent substance and light-emitting diode using the same

본 발명은 형광체와 이를 이용한 발광 다이오드에 관한 것이다. 본 발명의 형광체는 광원으로 부터 발광된 광의 일부를 흡수하여 흡수된 광과 상이한 파장의 광을 방출할 수 있는 형광체로서, 상기 형광체는 Sr, Ca로부터 선택된 적어도 하나의 원소와 Ge를 포함하고 Eu으로 활성화된 알카리토금속 - 저마늄금속 - 황의 형광물질을 함유한다. 본 발명에 따른 형광체는 일반조명용 백색광 발광 다이오드의 연색성(CRI, Color rendering index for white light LED)을 증가시키고, 이러한 형광체를 사용한 발광 다이오드는 중대형 LCD TV에 있어서 냉음극 형광램프(CCFL, Cold Cathode Fluorescent Lamp)을 대체할 고 색 재현성과 높은 백색 균일도를 갖는 백색광 발광 다이오드 배면 조명장치에 적합한 장점을 가진다. The present invention relates to a phosphor and a light emitting diode using the same. The phosphor of the present invention is a phosphor capable of absorbing a portion of light emitted from a light source and emitting light having a wavelength different from that absorbed. The phosphor includes at least one element selected from Sr and Ca and Ge, Activated alkaline-metal-germanium-sulfur phosphors. The phosphor according to the present invention increases the color rendering index (CRI) of a general lighting white light emitting diode, and the light emitting diode using such a phosphor is a cold cathode fluorescent lamp (CCFL) in a medium to large LCD TV. It has the advantage of being suitable for the white light emitting diode back lighting device having high color reproducibility and high white uniformity to replace the lamp. 형광체, 발광소자, 알카리토금속, 저마늄금속, 자외선 Phosphor, light emitting element, alkaline metal, germanium metal, ultraviolet

Ultraviolet Light-emitting Material and Ultraviolet Light Source

인체에 영향을 미치지 않고, 살균 성능의 향상, 수명 특성의 향상 및 발광효율의 향상이 도모되는 자외선 발광재료 및 이 자외선 발광재료를 이용한 자외선 광원을 제공하기 위해, 모체로 되는 Al 2 O 3 에 도프제로서 Sc가 첨가되는 하기 조성식 (A)로 나타나는 자외선 발광재료. 조성식(A): (Al 1 - x Sc x ) 2 O 3 또한, 상기 조성식(A)에 있어서, x는 0<x<1의 범위를 만족시키고, 바람직하게는 x=0.00078∼0.040의 범위이면 좋다. Without affecting the human body, to provide an ultraviolet light source with the improvement of the sterilization performance, the improvement of the life property and luminous efficiency UV light emitting material and the ultraviolet light-emitting material that improves the plan of, the Al 2 O 3 which is a matrix doped The ultraviolet light-emitting material represented by the following composition formula (A) to which Sc is added. Composition formula (A): (Al 1 - x Sc x ) 2 O 3 In the composition formula (A), x satisfies 0 <x <1, preferably x = 0.00078 to 0.040.

紫外线发光材料及紫外线光源

本发明涉及紫外线发光材料及紫外线光源。本发明的目的在提供一种不会对人体造成不良影响，可谋求杀菌性能的提升、寿命特性的提升、及发光效率的提升的紫外线发光材料及使用该紫外线发光材料的紫外线光源。本发明的紫外线发光材料，是在成为母体的Al 2 O 3 中添加Sc作为掺杂剂而由下述组成式（A）所表示：组成式（A）：（Al 1-x Sc x ） 2 O 3 。另外，在上述组成式（A）中，x是满足0＜x＜1的范围，较佳为x=0.00078至0.040的范围。

Novel taking aluminate as main green phosphor

本发明揭示化学式为M 1-x Eu x Al y O 1+3y/2 的以铝酸盐为主的新颖绿色磷光体，M是至少一种选自由Ba、Sr、Ca、Mg、Mn、Zu、Cu、Cd、Sm及Tm组成群组的二价金属；0.1＜x＜0.9；且0.5≤y≤12。磷光体经构造吸收波长介于约280nm至420nm之间的实质上不可见辐射，并发射波长为约500nm至550nm的可见绿光。一示例性磷光体包含二价碱土金属Mg，且可存在Mn。所述铝酸盐为主的绿色磷光体的一新颖特征是可经构造以发射相对窄范围的波长；在一实例中此范围为约518nm至520nm。在另一实例中所述磷光体发射的可见光峰值波长为半峰全幅值小于或等于约40nm。

A phosphor layer slurry compound of color crt

본 발명은 칼라음극선관의 형광막 슬러리 조성물에 관한 것으로, 특히 칼라음극선관의 녹, 청, 적 형광체의 형광막 형성시 고감도의 감광제인 SPP 제품을 사용하여 형광막의 노광시간을 단축하고 이로인한 제품의 생산성을 높이며, 음극선관의 휘도를 향상시키도록 한 것이다. The present invention relates to a fluorescent film slurry composition for a color cathode ray tube, and more particularly, to a fluorescent film slurry composition for a color cathode ray tube, which is capable of shortening the exposure time of a fluorescent film using a SPP product as a high- The productivity of the cathode ray tube is improved, and the luminance of the cathode ray tube is improved. 상기 목적을 달성하기 위한 본 발명의 기술구성은 판넬글라스에 블랙매트릭스막을 형성하고, 상기 블랙매트릭스막 위에는 새도우마스크 구멍을 통해 조사되는 자외선광에 의해 형광막이 형성되며, 상기 형광막위에 유기필름막을 형성시킨후 금속반사막을 형성하는 칼라음극선관의 형광면 구조에 있어서, 상기 형광막을 형성하는 슬러리 조성은 형광체와 순수 그리고 SPP 및 분산제를 혼합하여 이루도록 한 것이다. According to an embodiment of the present invention, a black matrix film is formed on a panel glass, a fluorescent film is formed on the black matrix film by ultraviolet light irradiated through a shadow mask hole, and an organic film is formed on the fluorescent film And forming a metal reflection film on the phosphor screen. The slurry composition for forming the phosphor film is formed by mixing phosphor, pure water, SPP and dispersant.

General green-emitting phosphors based on garnet and backlight application

本发明涉及一般以石榴石为主的发绿光磷光体和背光应用。本文揭示以石榴石为主的发绿光磷光体，其具有式(Lu 1‑a‑b‑c Y a Tb b A c ) 3 (Al 1‑d B d ) 5 (O 1‑e C e ) 12 :Ce,Eu，其中A选自由Mg、Sr、Ca和Ba组成的群组；B选自由Ga和In组成的群组；C选自由F、Cl和Br组成的群组；且0≤a≤1；0≤b≤1；0≤c≤0.5；0≤d≤1；且0<e≤0.2。这些磷光体由于纳入碱土金属与卤素二者的性质而区别于此项技术中的任一者。其峰值发射波长可介于约500nm与540nm之间。本发明的绿色石榴石磷光体可与以氮化物为主的发红光磷光体(例如CaAlSiN 3 )组合以产生白光。

Green-emitting, garnet-based phosphors in general and backlighting applications

本文揭示以石榴石为主的发绿光磷光体，其具有式(Lu 1-a-b-c Y a Tb b A c ) 3 (Al 1-d B d ) 5 (O 1-e C e ) 12 :Ce,Eu，其中A选自由Mg、Sr、Ca和Ba组成的群组；B选自由Ga和In组成的群组；C选自由F、Cl和Br组成的群组；且0≤a≤1；0≤b≤1；0≤c≤0.5；0≤d≤1；且0<e≤0.2。这些磷光体由于纳入碱土金属与卤素二者的性质而区别于此项技术中的任一者。其峰值发射波长可介于约500nm与540nm之间；在一个实施例中，所述磷光体(Lu,Y,A) 3 Al 5 (O,F,Cl) 12 :Eu 2+ 在540nm下发射。所述发射峰的FWHM介于80nm与150nm之间。本发明的绿色石榴石磷光体可与以氮化物为主的发红光磷光体(例如CaAlSiN 3 )组合以产生白光。

Novel aluminate-based green phosphors

本发明揭示化学式为M 1－x Eu x Al y O 1+3y/2 的以铝酸盐为主的新颖绿色磷光体，其中M是至少一种选自由Ba、Sr、Ca、Mg、Mn、Zu、Cu、Cd、Sm及Tm组成群组的二价金属；0.1＜x＜0.9；且0.5≤y≤12。磷光体经构造以吸收波长介于约280nm至420nm之间的实质上不可见辐射，并发射波长介于约500nm至550nm之间的可见绿光。在一个具体实施例中，所述磷光体包含二价碱土金属Mg，且同样可存在Mn。本发明以铝酸盐为主的绿色磷光体的一个新颖特征是其可经构造以发射相对窄范围的波长；在一个实施例中，此范围为约518nm至520nm。在一个替代实施例中，所述磷光体发射的可见光峰值波长为半峰全幅值小于或等于约40nm。

Method for producing a beta-Sialon phosphor

提供了一种制备能够被控制为显示诸如高亮度和期望的粒度分布的特性的β-SiAlON磷光体的方法。β-SiAlON磷光体由式Si (6-x) Al x O y N (8-y) :Ln z 表示(其中，Ln是稀土元素，并且满足下面的要求：0＜x≤4.2，0＜y≤4.2且0＜z≤1.0)，制备该β-SiAlON磷光体的方法包括：混合起始物料，以制备原料混合物；在含氮气氛的气体中加热原料混合物，其中，所述起始物料包括主原料和至少一种激活剂原料，主原料包括硅原料和至少一种铝原料，硅原料包括金属硅，所述至少一种铝原料选自于由金属铝和铝化合物组成的组，所述至少一种激活剂原料选自于用于激活主原料的稀土元素。

White phosphor, light emission device with the same, and liquid crsytal display device with the light emission device as back light unit

본 발명은 백색 형광체, 이를 이용하는 발광 장치, 및 이 발광 장치를 백 라이트 유닛으로 사용하는 액정 표시 장치에 관한 것으로서, 상기 백색 형광체는 ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), 및 이들의 조합으로 이루어진 군에서 선택되는 화합물을 포함하는 청색 형광체를 40 내지 50중량부로 포함하고, ZnS:(Cu,Al), ZnS:(Cu,Au,Al), 및 이들의 조합으로 이루어진 군에서 선택되는 화합물과 (Sr 1 -x Ca x )Ga 2 S 4 :Eu(0≤x<0.2)를 포함하는 녹색 형광체를 23 내지 36중량부로 포함하고, Y 2 O 3 :Eu, Y 2 O 3 :(Eu,Tb), Y 2 O 2 S:Eu, Y 2 O 2 S:(Eu,Tb), 및 이들의 조합으로 이루어진 군에서 선택되는 화합물을 포함하는 적색 형광체를 20 내지 30중량부로 포함한다. 상기 백색 형광체는 청색 형광체, 2종의 혼합 녹색 형광체, 및 적색 형광체를 일정한 비율로 혼합하여 휘도 및 색재현 특성이 모두 우수하며 일정한 색온도를 갖도록 할 수 있다. 백색형광체, 발광장치, 전자방출디스플레이, 백라이트유닛, 액정표시장치 The present invention relates to a white phosphor, a light emitting device using the same, and a liquid crystal display device using the light emitting device as a backlight unit, wherein the white phosphor includes ZnS: (Ag, Cl), ZnS: (Ag, Al), ZnS 40 to 50 parts by weight of a blue phosphor including a compound selected from the group consisting of: (Ag, Al, Cl), and combinations thereof, and ZnS: (Cu, Al), ZnS: (Cu, Au, Al And 23 to 36 parts by weight of a green phosphor including (Sr 1- x Ca x ) Ga 2 S 4 : Eu (0 ≦ x <0.2) and a compound selected from the group consisting of a combination thereof; 2 O 3 : Eu, Y 2 O 3 : (Eu, Tb), Y 2 O 2 S: Eu, Y 2 O 2 S: (Eu, Tb), and combinations thereof 20 to 30 parts by weight of the red phosphor to be included. The white phosphor may be mixed with a blue phosphor, two kinds of mixed green phosphors, and a red phosphor in a constant ratio, so that both luminance and color reproduction characteristics may be excellent, and may have a constant color temperature. White phosphor, light emitting device, electron emission display, backlight unit, liquid crystal display device

Temperature-stable oxynitride phosphor and light source comprising a corresponding phosphor material

본 발명은 신규한 형광체 재료 및 상기 형광체 재료를 포함하는 광원에 관한 것이다. 옥시나이트라이드들의 부류로부터의 신규한 형광체 재료는 충전 화학양론 MO-SiO2-Si3N4를 갖고, M은 바람직하게 Ba이다. 형광체 재료는 충전 화학양론 MO-SiO2-Si3N4로부터 제조되고, 공지된 형광체 재료 MSi2O2N2:D에 비해 증가된 산소 함량을 가지며, MO는 M의 옥시딕 화합물이다. 공지된 화합물들과 다른 충전 화학양론은 다수 특성들의 개선을 허용한다. The present invention relates to a novel phosphor material and a light source comprising the phosphor material. The novel phosphor material from the class of oxynitrides has a charge stoichiometry MO-SiO 2 -Si 3 N 4, where M is preferably Ba. Phosphor materials are prepared from charge stoichiometry MO-SiO2-Si3N4 and have an increased oxygen content compared to the known phosphor material MSi2O2N2: D, where MO is an oxydic compound of M. Known compounds and other packing stoichiometry allow for improvement of many properties.

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 luminescent substance and an inorganic luminescent substance. The combination may be a mixture of organic and inorganic substances. Layers of organic and inorganic substances may be used. Each Plasma-shell is a hollow geometric body filled with an ionizable gas at a suitable pressure. Photons from the gas discharge inside the Plasma-shell excite the luminescent substance. In one embodiment the luminescent substance is located on the external surface of the Plasma-shell. In another embodiment, the luminescent substance is located inside the Plasma-shell. Plasma-shell includes Plasma-sphere, Plasma-disc, and Plasma-dome. The Plasma-shell may be used in combination with a Plasma-tube.

Green Phosphor and Device Using the Same

본 발명은 색순도, 발광 효율, 수명 등의 특성이 우수한 녹색 형광체를 제공한다. The present invention provides a green phosphor excellent in characteristics such as color purity, luminous efficiency, lifespan, and the like. 상기 녹색 형광체는 화학식 A(Zn 1-x Mn x )Al 10 O 17 (식 중, A는 Ca, Ba 또는 Sr이고, x는 0.02≤x≤0.14를 만족시키는 수를 나타냄)로 표시되는 것을 특징으로 한다. The green phosphor is represented by the formula A (Zn 1-x Mn x ) Al 10 O 17 (wherein A is Ca, Ba or Sr, and x represents a number satisfying 0.02 ≦ x ≦ 0.14). It is done. 녹색 형광체, β 알루미나 구조, 발광 중심 Green phosphor, β-alumina structure, emission center

Discharge fluorescen apparatus including fluorescent fibers

A discharge fluorescent apparatus is composed of an air-tight envelope having a discharge-space containing a dischargeable gas therein and plural fluorescent fibers having a phosphor, preferably fluorescent optical fibers, positioned in/on the envelope. Further, at least one protrusion or barrier wall preferably having the phosphor may be positioned in/on the envelope. The fluorescent fibers are positioned on the envelope and/or on the protrusion or barrier wall. The fluorescent fibers emit visible light when excited by ultraviolet rays generated from the gas. The fluorescent optical fibers each may be composed of a light-conductive core or the core and a clad, in which the core and/or the clad contain the phosphor or plural phosphor particles therein. The fluorescent fibers may be positioned on the envelope and/or on the protrusion or barrier wall by an electrostatic process. The discharge fluorescent apparatus may apply to a tubular fluorescent lamp, a flat fluorescent lamp and a plasma display panel. Therefore, the discharge fluorescent apparatus exhibits a remarkably enhanced luminance, because it has a massive surface area in/on the fluorescent fibers, the protrusion and/or the barrier wall that may contain the phosphor.

Iridium complex compound, organic electroluminescent element material, organic electroluminescent element, illumination device and display device

An organic electroluminescent element in which at least one organic layer including a light emitting layer is sandwiched between an anode and a cathode, wherein the at least one organic layer includes an iridium complex compound represented by a following general formula (1). [general formula (1)]

Iridium complex compound, organic electroluminescence device material, organic electroluminescence device, lighting device and display device

A plasma display panel comprising a red phosphor for a plasma display panel and a fluorescent film formed therefrom

본 발명은 (Y,Gd)Al 3 (BO 3 ) 4 :Eu 3 + 을 포함하는 플라즈마 디스플레이 패널용 적색 형광체, 이를 포함하는 형광체 페이스트 조성물 및 이로부터 형성된 형광막을 구비한 플라즈마 디스플레이 패널을 제공한다. 본 발명에 따른 플라즈마 디스플레이 패널용 적색 형광체는 (Y,Gd)Al 3 (BO 3 ) 4 :Eu 3 + 을 단독으로 사용하거나 또는 (Y,Gd)Al 3 (BO 3 ) 4 :Eu 3 + 형광물질을 주성분으로 하여 (Y,Gd)BO 3 :Eu 3+ 형광물질을 혼합하여 사용함으로써 잔광시간을 개선할 수 있으며, 상기 적색 형광체로부터 형성된 형광막을 구비한 플라즈마 디스플레이 패널은 잔광시간을 감소시켜 색재현을 개선할 수 있고, 색좌표 개선을 위해 Y(V,P)O 4 :Eu 3 + 를 사용할 때 나타나는 고계조에서의 휘도포화 문제를 해결할 수 있다. The present invention (Y, Gd) Al 3 ( BO 3) 4: provides a plasma display panel comprising a red phosphor, a fluorescent film phosphor paste composition and formed therefrom comprising the same for a plasma display panel including Eu 3 +. The red phosphor for a plasma display panel according to the present invention (Y, Gd) Al 3 ( BO 3) 4: used alone, the Eu 3 + or (Y, Gd) Al 3 ( BO 3) 4: Eu 3 + fluorescence The afterglow time can be improved by using a mixture of (Y, Gd) BO 3 : Eu 3+ fluorescent material as a main component, and the plasma display panel having the fluorescent film formed from the red phosphor reduces color after It can improve the reproduction and solve the problem of luminance saturation at high gradation when using Y (V, P) O 4 : Eu 3 + to improve the color coordinate.

Display device with aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M 1−x Eu x Al y O 1+3y/2 , where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5:≦y≦12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M1-xEuxAlyO1+3y/2, where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5≤y≤12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

A novel green phosphor based on aluminate

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M1-xEuxAlyO1+3y/2, where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5≤y≤12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

Aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M 1−x Eu x Mg 1−y Mn y Al z O [(x+y)+3z/2] ; where 0.1<x<1.0; 0.1<y<1.0; 0.2<x+y<2.0; and 2≦z≦14; wherein M is selected from the group consisting of Ba, Sr, Ca, and Zn; and wherein the phosphor is configured to absorb UV and visible radiation having a wavelength ranging from about 220 to 440 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm in some embodiments, and 80 nm in other embodiments.

Color-tunable lighting devices and methods of use

A lighting device ( 100 ) includes a housing ( 104 ) enclosing a housing interior ( 108 ), a light source ( 132 ), a light converter ( 136 ), and a color tuning device. The light source is configured for emitting a primary light beam of a primary wavelength ( 140 ) through the housing interior. The light converter includes a luminescent material ( 144 ) facing the housing interior and configured for emitting secondary light ( 156, 158 ) of one or more wavelengths different from the primary wavelength, in response to excitation by the primary light beam. The housing includes a light exit ( 124 ) for outputting a combination of primary light and secondary light. The color tuning device is configured for adjusting a position of the primary light beam relative to the luminescent material.

Phosphor, Method For Manufacturing Same, Light Emitting Device, And Image Display Device

本发明提供一种荧光体，该荧光体具有与现有荧光体不同的发光特性，并且在与波长470nm以下的LED组合时发光强度高，且化学稳定性及热稳定性良好。本发明的荧光体至少包含含有A元素、D元素、和X元素(其中，A为选自Li、Mg、Ca、Sr、Ba的一种或两种以上的元素；D为选自Si、Ge、Sn、Ti、Zr、Hf的一种或两种以上的元素；X为选自O、N、F的一种或两种以上的元素)、或根据需要含有E元素(其中，E为选自B、Al、Ga、In、Sc、Y、La的一种或两种以上的元素)的由Sr 3 Si 8 O 4 N 10 所示的结晶、或具有与Sr 3 Si 8 O 4 N 10 所示的结晶相同的结晶结构的无机结晶中固溶有M元素(其中，M为选自Mn、Ce、Pr、Nd、Sm、Eu、Tb、Dy、Yb的一种或两种以上的元素)的无机化合物。

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors

本发明揭示化学式为M 1-x Eu x Al y O 1+3y/2 的以铝酸盐为主的新颖绿色磷光体，M是至少一种选自由Ba、Sr、Ca、Mg、Mn、Zu、Cu、Cd、Sm及Tm组成群组的二价金属；0.1＜x＜0.9；且0.5≤y≤12。磷光体经构造吸收波长介于约280nm至420nm之间的实质上不可见辐射，并发射波长为约500nm至550nm的可见绿光。一示例性磷光体包含二价碱土金属Mg，且可存在Mn。所述铝酸盐为主的绿色磷光体的一新颖特征是可经构造以发射相对窄范围的波长；在一实例中此范围为约518nm至520nm。在另一实例中所述磷光体发射的可见光峰值波长为半峰全幅值小于或等于约40nm。

Aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M 1-x Eu x Mg 1-y Mn y Al z O [(x+y)+3z/2] ; where 0.1<x<1.0;0.1<y<1.0; 0.2<x+y<2.0; and 2≦z≦14; wherein M is selected from the group consisting of Ba, Sr, Ca, and Zn; and wherein the phosphor is configured to absorb UV and visible radiation having a wavelength ranging from about 220 to 440 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm in some embodiments, and 80 nm in other embodiments.

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M1-xEuxAlyO1+3y/2, where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5≤y≤12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

Novel aluminate-based green phosphors

Novel aluminate-based green phosphors are disclosed having the formula M1-xEuxAlyO1+3y/2, where M is at least one of a divalent metal selected from the group consisting of Ba, Sr, Ca, Mg, Mn, Zu, Cu, Cd, Sm, and Tm; 0.1<x<0.9; and 0.5≤y≤12. phosphors are configured to absorb substantially non-visible radiation having a wavelength ranging from about 280 to 420 nm, and emit visible green light having a wavelength ranging from about 500 to 550 nm. In a particular embodiment, the phosphor contains the divalent alkaline earth metals Mg, and Mn may be present as well. A novel feature of the present aluminate-based green phosphors is the relatively narrow range of wavelength over which they can be configured to emit; in one embodiment, this range is from about 518 nm to 520 nm. In an alternative embodiment, the phosphor emits visible light with a peak wavelength having a full width at half maximum of less than or equal to about 40 nm.

Luminescent substance and light source having such a luminescent substance

一种正硅酸盐类的新型荧光材料，包含硅的亚化学计量份额。尤其添加SE和N以用于稳定。

Magnesium alumosilicate-based phosphor

The invention relates to co-activated magnesium alumosilicate based phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.

Oxycarbonitride phosphors and light emitting devices using the same

Disclosed herein is a novel family of oxycarbidonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M—Al—Si—O—N—C—Ln and quintuplet system of M—Si—O—N—C—Ln (M=alkaline earth element, Ln=rare earth element), the phosphors are composed of either one single crystalline phase or two crystalline phases with high chemical and thermal stability. In certain embodiments, the disclosed phosphor of silicon oxycarbidonitrides emits green light at wavelength between 530-550 nm. In further embodiments, the disclosed phosphor compositions emit blue-green to yellow light in a wavelength range of 450-650 nm under near-UV and blue light excitation.

Oxycarbonitride phosphors and light emitting devices using the same

Disclosed herein is a novel family of oxycarbonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M—Al—Si—O—N—C—Ln and quintuplet system of M—Si—O—N—C—Ln (M=alkaline earth element, Ln=rare earth element), the phosphors are composed of either one single crystalline phase or two crystalline phases with high chemical and thermal stability. In certain embodiments, the disclosed phosphor of silicon oxycarbonitrides emits green light at wavelength between 530-550 nm. In further embodiments, the disclosed phosphor compositions emit blue-green to yellow light in a wavelength range of 450-650 nm under near-UV and blue light excitation.

Fluorophore, method for producing same, light-emitting device using fluorophore, image display device, pigment, and ultraviolet absorbent

적어도 A 원소와 D 원소와 X 원소와 필요에 따라 E 원소 (단, A 는, Mg, Ca, Sr, Ba 에서 선택되는 1 종 또는 2 종 이상의 원소, D 는, Si, Ge, Sn, Ti, Zr, Hf 에서 선택되는 1 종 또는 2 종 이상의 원소, E 는, B, Al, Ga, In, Sc, Y, La 에서 선택되는 1 종 또는 2 종 이상의 원소, X 는, O, N, F 에서 선택되는 1 종 또는 2 종 이상의 원소) 를 함유하고, Ca 2 Si 5 O 3 N 6 으로 나타내는 결정과 동일한 결정 구조를 갖는 무기 결정 (Ca 2 Si 5 O 3 N 6 으로 나타내는 결정 자체, 또는 Mg, Sr, Ba, Ge, Sn, Ti, Zr, Hf, B, Al, Ga, In, Sc, Y, La, F 에서 선택되는 1 종 또는 2 종 이상의 원소가 고용되는 고용체를 포함한다) 에, M 원소 (단, M 은, Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Yb 에서 선택되는 1 종 또는 2 종 이상의 원소) 가 고용된 무기 화합물을 함유하는 형광체를 제공한다.

Green-emitting, garnet-based phosphors in general and backlighting applications

본 명세서에는 식 (Lu 1-a-b-c Y a Tb b A c ) 3 (Al 1-d B d ) 5 (O 1-e C e ) 12 :Ce,Eu를 지니는 녹색 발광용 가넷계 인광체가 개시되어 있으며, 여기서, 식 중, A는 Mg, Sr, Ca 및 Ba로 이루어진 군으로부터 선택되고; B는 Ga 및 In으로 이루어진 군으로부터 선택되며; C는 F, Cl 및 Br로 이루어진 군으로부터 선택되고; 0≤a≤1; 0≤b≤1; 0<c≤0.5; 0≤d≤1; 및 0<e≤0.2이다. 이들 인광체는 알칼리 토류 원소와 할로겐의 양쪽을 내포하는 속성에 의해 당업계에 있어서의 어떠한 것과도 구별된다. 그들의 피크 발광 파장은 약 500㎚ 내지 540㎚ 사이에 있을 수 있고; 일 실시형태에서, 인광체 (Lu,Y,A) 3 (Al) 5 (O,F,Cl) 12 :Eu 2+ 는 540㎚에서 발광을 지닌다. 발광 피크의 FWHM은 80㎚ 내지 150㎚ 사이에 놓인다. 본 발명의 녹색 가넷 인광체는, 백색 광을 발생하기 위하여, CaAlSiN 3 등과 같은 적색-발광용 질화물계 인광체와 배합될 수 있다. In this specification, a garnet fluorescent material for green light emission having the formula (Lu 1-abc Y a Tb b a c ) 3 (Al 1 -d B d ) 5 (O 1 -e C e ) 12 : Ce, Wherein A is selected from the group consisting of Mg, Sr, Ca and Ba; B is selected from the group consisting of Ga and In; C is selected from the group consisting of F, Cl and Br; 0? A? 1; 0? B? 1; 0 < c? 0.5; 0? D? 1; And 0 < e? 0.2. These phosphors are distinguished from any of those in the art by their properties of containing both alkaline earth elements and halogens. Their peak emission wavelength can be between about 500 nm and 540 nm; In one embodiment, the phosphors (Lu, Y, A) 3 (Al) 5 (O, F, Cl) 12 : Eu 2+ have luminescence at 540 nm. The FWHM of the emission peak lies between 80 nm and 150 nm. The green garnet phosphor of the present invention may be compounded with a red phosphor for emitting red phosphor such as CaAlSiN 3 in order to generate white light.

A stack of layers comprising luminescent material, a lamp, a luminaire and a method of manufacturing the stack of layers

公开了一种层堆叠100、灯、照明器材以及制造层堆叠的方法。层堆叠100包括第一外层102、第二外层106以及发光层104。第一外层102和第二外层106为光透射聚合材料并且具有在标准温度和压力(STP)下测量的低于30cm 3 /(m 2 ·天)的氧气透过率。发光层104被夹入在第一外层102和第二外层106之间并且包括光透射基质聚合物和发光材料108，该发光材料被配置为根据吸收光谱吸收光并且将所吸收的光的部分转换为具有发光光谱的光。

Phosphor, manufacturing method of phosphor, light emitting element, light emitting device and image display device

본 발명의 형광체는, M α (L, A) β X γ 로 표시되는 형광체 모체 결정의 원소 M의 적어도 일부가 활성화 물질로서 Eu로 치환되어 있어, 일반식: M α (L, A) β X γ :Eu δ 로 표시되는 조성을 갖는 형광체로서, M은 Mg, Ca, Sr, Ba 및 Zn으로부터 선택되는 1종류 또는 2종류 이상의 원소(단, Sr을 적어도 포함함)이며, L은 Li, Na 및 K로부터 선택되는 1종류 또는 2종류 이상의 원소이며, A는 Al, Ga, B, In, Sc, Y, La 및 Si로부터 선택되는 1종류 또는 2종류 이상의 원소이며, X는 O, N, F 및 Cl로부터 선택되는 1종류 또는 2종류 이상의 원소(단, X가 N만인 것을 제외함)이며, α, β, γ 및 δ가 8.70≤α+β+γ+δ≤9.30이며, 0.00<α≤1.30, 3.70≤β≤4.30, 3.70≤γ≤4.30, 0.00<δ≤1.30이며, 파장 260nm의 광을 조사하였을 때의 형광 스펙트럼에 있어서, 파장 569nm에 있어서의 형광 강도를 I 0 으로 하고, 파장 617nm에 있어서의 형광 강도를 I 1 로 하였을 때, 형광 강도비 I 1 /I 0 이 0.01 이상 0.4 이하가 되도록 구성되는 것이다.

Phosphor Thin Film, Its Production Method, and EL Panel

본 발명은 높은 휘도이며, 또한 색순도가 양호하기 때문에 필터를 사용할 필요가 없으며, 또한 휘도수명이 길고, 풀컬러EL패널용 RGB의 각 소자에 특히 적합한 형광체박막을 제공한다. The present invention does not require a filter because of its high luminance and good color purity, and also provides a phosphor thin film which has a long luminance life and is particularly suitable for each element of RGB for full color EL panel. 본 발명의 형광체박막은 모체재료와 발광중심을 함유한다. 모체재료는, 알칼리토류원소와, Ga 및/또는 In과, 황(S)을 적어도 함유하며, 또한 Al을 함유할 수 있는 황화물이거나, 이들에 산소(O)가 함유되는 옥시황화물이다. 모체재료중에서 알칼리토류원소를 A로 나타내며, Ga, In 및 Al을 B로 나타내었을 때, 원자비 B/A는 B/A=2.1∼3.5이다. The phosphor thin film of the present invention contains a mother material and a light emitting center. The base material is a sulfide which contains at least an alkaline earth element, Ga and / or In, sulfur (S) and may contain Al, or an oxysulfide containing oxygen (O) in these. In the matrix material, when alkaline earth elements are represented by A and Ga, In and Al are represented by B, the atomic ratio B / A is B / A = 2.1 to 3.5.

Green phosphor and plasma display panel

구동전압과 휘도특성을 개선함과 동시에 색순도를 향상시킬 수 있는 녹색형광체가 개시된다. A green phosphor that can improve color purity while improving driving voltage and luminance characteristics is disclosed. 본 발명의 녹색형광체는 Zn2SiO4:Mn 형광체와, (Y, Gd)BO3:Tb 형광체와, BaAl12O19:Mn 형광체를 혼합하여 이루어지고, 전체 조성에 대한 BaAl12O19:Mn 형광체의 혼합비율이 1~25중량%의 범위로 설정된다. 또한, Zn2SiO4:Mn 형광체에 대한 (Y, Gd)BO3:Tb 형광체의 혼합비율이 25~80중량%의 범위로 설정될 수 있다. The green phosphor of the present invention is made by mixing a Zn 2 SiO 4: Mn phosphor, a (Y, Gd) BO 3: Tb phosphor, and a BaAl 12 O 19: Mn phosphor, and the mixing ratio of BaAl 12 O 19: Mn phosphor to the total composition is 1 to 25% by weight. It is set in the range of. In addition, the mixing ratio of the (Y, Gd) BO 3: Tb phosphor to the Zn 2 SiO 4: Mn phosphor may be set in a range of 25 to 80 wt%. 플라즈마디스플레이패널, 녹색형광체, 구동전압, 휘도특성 Plasma Display Panel, Green Phosphor, Driving Voltage, Luminance Characteristics

Fluorophore, method for producing same, light-emitting device using fluorophore, image display device, pigment, and ultraviolet absorbent

적어도 A 원소와 D 원소와 X 원소와 필요에 따라 E 원소 (단, A 는, Mg, Ca, Sr, Ba 에서 선택되는 1 종 또는 2 종 이상의 원소, D 는, Si, Ge, Sn, Ti, Zr, Hf 에서 선택되는 1 종 또는 2 종 이상의 원소, E 는, B, Al, Ga, In, Sc, Y, La 에서 선택되는 1 종 또는 2 종 이상의 원소, X 는, O, N, F 에서 선택되는 1 종 또는 2 종 이상의 원소) 를 함유하고, Ca 2 Si 5 O 3 N 6 으로 나타내는 결정과 동일한 결정 구조를 갖는 무기 결정 (Ca 2 Si 5 O 3 N 6 으로 나타내는 결정 자체, 또는 Mg, Sr, Ba, Ge, Sn, Ti, Zr, Hf, B, Al, Ga, In, Sc, Y, La, F 에서 선택되는 1 종 또는 2 종 이상의 원소가 고용되는 고용체를 포함한다) 에, M 원소 (단, M 은, Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Yb 에서 선택되는 1 종 또는 2 종 이상의 원소) 가 고용된 무기 화합물을 함유하는 형광체를 제공한다. At least one element selected from the group consisting of Mg, Ca, Sr and Ba; D is at least one element selected from the group consisting of Si, Ge, Sn, Ti, Z and Hf and E is at least one element selected from among B, Al, Ga, In, Sc, Y and La and X is at least one element selected from O, N and F contains a selection of one or more elements), and an inorganic crystal having the same crystal structure as the crystal represented by Ca 2 Si 5 O 3 N 6 ( crystal represented by Ca 2 Si 5 O 3 N 6 itself, or Mg, Wherein the solid solution contains one or more elements selected from Sr, Ba, Ge, Sn, Ti, Zr, Hf, B, Al, Ga, In, Sc, Wherein at least one element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy and Yb is dissolved.

Plasma display device

一种等离子显示装置，通过在隔壁(109)的壁面上均匀地形成具有β－氧化铝晶体结构、表面带正(+)电、在氧气－氮气气氛中进行烧成而削减氧不足的蓝色荧光体和绿色荧光体与氧化钇系化合物的红色荧光体的组合而构成的荧光体层(110G、110B、110R)，在各色的荧光体的带电特性成为相同的同时，减低荧光体的氧不足，抑制面板制作过程中的各种气体的吸附，能够谋求驱动中的放电特性的稳定化，而防止亮度劣化。

Cold cathode fluorescent lamp and backlight module using the same

Phosphor, method of manufacturing it and plasma display panel containing this phosphor

本发明的目的是提供一种Eu活化的磷光体，可保持高的波长转换效率并且抑制由真空紫外线辐射引起的随时间的衰减，以及提供一种通过抑制残留图像而具有优越显示性能的等离子体显示屏，残留图像是由于磷光体随时间的衰减而产生。为此，本发明提供一种铕活化的磷光体，其中组成磷光体每个颗粒的二价铕比率在颗粒表面及其附近低于整个颗粒的二价铕比率。使用上述磷光体颗粒，可制备铕活化的磷光体，与常规磷光体相比，制得的磷光体具有高发光强度保持率，并且在抑制随时间的衰减上具有良好性能。

Temperature-stable oxynitride phosphor and light source comprising a corresponding phosphor material

本发明涉及一种新型磷光体材料以及包含此磷光体材料的光源。该新型磷光体材料由氧氮化物类构成并具有投料化学计量为MO-SiO 2 -Si 3 N 4 ，其中M优选是Ba。所述磷光体材料由投料化学计量比的MO-SiO 2 -Si 3 N 4 制备，具有相对于已知磷光体材料MSi 2 O 2 N 2 :D而言增加的氧含量，其中MO是M的氧化化合物。不同于已知化合物的投料化学计量实现了许多特性的改善。

Phosphor, manufacture thereof, light-emitting device, and image display device

Phosphor, manufacture thereof, light-emitting device, and image display device

Light emitting device and method of manufacturing the same

【課題】発光素子からの紫外光または青色光にて高効率に発光する蛍光体を利用する発光装置であって、発光色の設定が容易でありかつ輝度の高い発光装置を提供する。 【解決手段】発光装置（１０）は、１次光を発する発光素子（１１）と、１次光の一部を吸収してその１次光の波長以上の波長を有する２次光を発する波長変換部（１２）とを含み、その波長変換部は互いに異なる光吸収帯域を有する複数種の蛍光体（１３、１４、１５）を含み、これら複数種の蛍光体の少なくとも１種は他の少なくとも１種で発せられた２次光を吸収し得る吸収帯域を有することを特徴としている。 【選択図】図１

Oxynitride phosphors for use in lighting applications having improved color quality

Disclosed are oxynitride phosphor compositions having the formula (RE 1-x Ce x ) 3 Al a-y-z-w Si y Ga z Sc w O 12-y N y , where RE is at least one of Lu, Gd, Y, and Tb, 0.001≦x≦0.10, 0≦w≦2, 0.001≦y≦0.50, 0≦z≦4.999, and 4.5≦a≦5.0. When combined with radiation from a blue or UV LED, these phosphors can provide light sources with good color quality having high CRI over a large color temperature range. Also disclosed are blends of the above oxynitride phosphors and additional phosphors.

Blend comprising an oxynitride phosphor and light emitting apparatus using it

Electroluminescence display comprising a layer of photochromic material

본 발명은 디스플레이 전면의 제 1 전극과 디스플레이 후면의 제 2 전극 사이에 1개 이상의 발광층 및 1개 이상의 절연층을 포함하는 전계발광 디스플레이 소자에 있어서, 반사방지막 대신에 발광층과 제 2 전극 사이에 광변색성 물질로 된 박막이 도포되거나 또는 1개 이상의 광변색성 기재가 삽입된 전계발광 디스플레이 소자에 관한 것으로, 본 발명의 전계발광 디스플레이 소자는 강한 외광의 입사시에도 시인성과 콘트라스트가 우수하고, 기존의 유사 다이아몬드 탄소(DLC) 박막을 채택한 전계발광 소자보다 증대된 발광효율을 가진다. The present invention provides an electroluminescent display device comprising at least one light emitting layer and at least one insulating layer between a first electrode on the front of a display and a second electrode on the back of the display, wherein the light is interposed between the light emitting layer and the second electrode instead of the antireflection film. The present invention relates to an electroluminescent display device coated with a thin film made of a chromic material or having one or more photochromic substrates inserted therein, wherein the electroluminescent display device of the present invention has excellent visibility and contrast even when strong external light is incident. It has an increased luminous efficiency than the electroluminescent device employing a pseudo diamond carbon (DLC) thin film.

Red line emitting phosphor for use in light emitting diode applications

Thermally stable oxynitride phosphor and light source having such a phosphor

A thermally stable phosphor made of the M-Si&mdash;O&mdash;N system, having a cation M and an activator D, M being represented by Ba or Sr alone or as a mixture and optionally also being combined with at least one other element from the group Ca, Mg, Zn, Cu. The phosphor is activated with Eu or Ce or Tb alone or as a mixture, optionally in codoping with Mn or Yb. The activator D partially replaces the cation M. The phosphor is produced from the charge stoichiometry MO&mdash;SiO2&mdash;SiN4/3 with an increased oxygen content relative to the known phosphor MSi2O2N2:D, where MO is an oxidic compound.

Method for manufacturing vacuum ultraviolet-excited luminescent material and method for manufacturing plasma display panel

COMPOSITION IN THE FORM OF SLURRY FOR THE REALIZATION OF THE FLUORESCENT LAYER OF A COLORED CATHODIC TUBE

Composition for making fluorescent layer

Composition, in crushed form, is used for making fluorescent layer of fluorescent screen in coloured cathode ray tube, in which screen consists of glass panel with moulded black layers on it; fluorescent layer formed by UV irradiation of fluorescent layer, crossing openings of perforated mask between moulded layers; layer of organic film on fluorescent layer; and reflecting metal layer. The composition is prepared by mixing fluorescent material; pure water; acetal compound (produced from copolymer of vinyl alcohol, vinyl acetate, and salt of 4-{2-(4-formyl)-phenyl}-1-methyl-1-pyridinium (SPP)); and an emulsifier.

Luminescent materials doped with metal nano particles and preparation methods therefor

The invention belongs to the field of luminescent materials. Disclosed are luminescent materials doped with metal nano particles and preparation methods therefor. The luminescent materials doped with metal nano particles are represented by the chemical formula:A 5-x (PO 4 ) 2 SiO 4 :xRE@M y , wherein @ is for coating, M is inner core, M is one metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce, Dy and Mn; A is one or two elements selected from Ca, Sr, Ba, Mg, Li, Na and K; x is stoichiometric coefficient, 0<x≤1; y is molar ratio of M and Si, 0<y≤0.01.When luminescent materials doped with metal nano particles of the invention are excitated by electron beam, they have higher luminescent efficiency. The luminescent materials are good to be used in field emission light source devices.

Luminescent substance and light source having such a luminescent substance

MULTICOLOR LUMINOUS FLUORESCENT DISPLAY DEVICE

Un dispositif d'affichage lumineux fluorescent multicolore comprend une enceinte scellée sous vide munie d'un substrat en verre, une anode disposée sur le substrat en verre, une cathode installée dans l'enceinte scellée sous vide, une première couche phosphorescente contenant un phosphore émettant une lumière jaune à rouge, et une seconde couche phosphorescente contenant un phosphore émettant une lumière bleue à verte. La première couche phosphorescente contient un phosphore Ln2O2S:Eu (Ln est au moins un élément choisi dans le groupe constitué de La, Gd, Lu et Y) qui émet une lumière jaune à rouge, et la seconde couche phosphorescente contient au moins un phosphore choisi parmi le phosphore ZnO:Zn, le phosphore ZnGa2O4 et le phosphore ZnGa2O4:Mn, qui émettent une lumière bleue à verte. A multicolor fluorescent light display device comprises a vacuum sealed enclosure provided with a glass substrate, an anode disposed on the glass substrate, a cathode installed in the vacuum sealed enclosure, a phosphorescent first layer containing a phosphor emitting a yellow to red light, and a second phosphorescent layer containing a phosphor emitting a blue to green light. The first phosphorescent layer contains a phosphor Ln2O2S: Eu (Ln is at least one element selected from the group consisting of La, Gd, Lu and Y) which emits a yellow to red light, and the second phosphorescent layer contains at least one phosphorus selected from phosphorus ZnO: Zn, phosphorus ZnGa2O4 and phosphorus ZnGa2O4: Mn, which emit a blue to green light.

Mixture of luminophores, devoid of cadmium, which produces warm colors going from yellow to orange for use in a fluorescent display screen

Un mélange de luminophores est fourni en mélangeant un luminophore d'une couleur rouge lumineuse dépourvu de Cd avec un luminophore d'une couleur lumineuse de la famille des verts également dépourvu de Cd, la couleur lumineuse du mélange de luminophores étant une couleur chaude allant du jaune à l'orange. En outre, dans le mélange de luminophores, le composant soufre est soit supprimé totalement soit en moindre quantité par rapport aux luminophores classiques à couleurs chaudes lumineuses. En conséquence, il n'apparaît pas de raie sombre ou la durée au bout de laquelle cette raie sombre apparaît peut être retardée, ce qui permet d'avoir un dispositif à affichage fluorescent à vide avec un afficheur de meilleure qualité.

Plasma display device

본 발명은 플라즈마 디스플레이 패널에 관한 것으로서, 상기 플라즈마 디스플레이 패널은 방전공간이 형성되도록 적어도 전면측이 투명한 한쌍의 기판; 상기 방전공간을 다수의 공간으로 구획하도록 기판의 한쪽에 설치된 격벽; 상기 격벽에 의해 구획된 방전공간에서 방전을 발생시키도록 상기 기판에 설치된 전극군; 상기 격벽에 의해 구획된 방전공간내에 형성된 형광체층; 상기 방전공간에 채워진 방전가스를 포함하고, 상기 형광체층은 10 내지 70 중량%의 Zn 2 SiO 4 :Mn, (Zn,A) 2 SiO 4 :Mn (A는 알칼리 금속) 및 이들의 혼합물로 이루어진 군에서 선택되는 제1 녹색형광체; 0 내지 30 중량%의 (Ba, Sr, Mg)O·aAl 2 O 3 :Mn, LaMgAl 11 O 19 :Tb,Mn 및 이들의 혼합물로 이루어진 군에서 선택되는 제2 녹색 형광체; 및 20 내지 70 중량%의 ReBO 3 :Tb (Re는 Sc, Y, La, Ce 및 Gd 중에서 선택된 하나 이상의 희토류 원소임)으로 표현되는 제3 녹색 형광체를 포함하고, 상기 방전가스는 전체 방전가스중 6% 이상의 Xe을 포함한다. The present invention relates to a plasma display panel, wherein the plasma display panel includes a pair of substrates having at least a front side transparent to form a discharge space; A partition wall provided on one side of the substrate to partition the discharge space into a plurality of spaces; An electrode group provided on the substrate to generate a discharge in the discharge space partitioned by the partition wall; A phosphor layer formed in a discharge space partitioned by the partition wall; A discharge gas filled in the discharge space, wherein the phosphor layer comprises 10 to 70 wt% of Zn 2 SiO 4 : Mn, (Zn, A) 2 SiO 4 : Mn (A is an alkali metal) and a mixture thereof A first green phosphor selected from the group; A second green phosphor selected from the group consisting of 0 to 30% by weight of (Ba, Sr, Mg) O.aAl 2 O 3 : Mn, LaMgAl 11 O 19 : Tb, Mn and mixtures thereof; And a third green phosphor represented by 20 to 70% by weight of ReBO 3 : Tb (Re is at least one rare earth element selected from Sc, Y, La, Ce, and Gd), and the discharge gas is a total discharge gas. 6% or more of Xe. PDP,녹색형광체,Ba,Zn,Tb PDP, green phosphor, Ba, Zn, Tb

Gallium Nitride Phosphor, its Method of Manufacture, and a Display Device Using the Phosphor

본 발명은 발광특성이 우수한 질화갈륨 형광체와 그 제조방법, 더욱 이 형광체를 사용하고 있는 디스플레이 디바이스를 제공한다. 질화갈륨 형광체 분말을 실질적으로 H 2 와 H 2 O의 가스를 함유하지 않는 분위기에서 열처리 또는 마이크로파 주사함으로써, 진공 중에서 형광체를 가열했을 때의 H 2 , H 2 O가스 방출량이, 형광체에 대하여 각각 0.2cm 3 /g 이하, 2.0cm 3 /g 이하인 질화갈륨 형광체를 얻는다. The present invention provides a gallium nitride phosphor excellent in luminescence properties, a manufacturing method thereof, and a display device using the phosphor. Substantially by heat treatment or microwave injection in an atmosphere not containing a gas of H 2 and H 2 O, respectively, H 2, H 2 O gas emission when heating the phosphor in a vacuum, with respect to the phosphor 0.2 gallium nitride phosphor powder not more than 3 cm / g or less, 2.0cm 3 / g to obtain a gallium nitride phosphor.

Oxycarbonitride phosphors and light emitting devices using the same

Disclosed herein is a novel family of oxycarbonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M-Al-Si-O-N-C-Ln and quintuplet system of M-Si-O-N-C-Ln (M = alkaline earth element, Ln = rare earth element), the phosphors are composed of either one single crystalline phase or two crystalline phases with high chemical and thermal stability. In certain embodiments, the disclosed phosphor of silicon oxycarbonitrides emits green light at wavelength between 530-550 nm. In further embodiments, the disclosed phosphor compositions emit blue-green to yellow light in a wavelength range of 450-650 nm under near-UV and blue light excitation.

Light emitting device provided with a wavelength conversion unit incorporating plural kinds of phosphors

A light-emitting device includes a light-emitting element for emitting primary light, and a wavelength conversion unit for absorbing part of the primary light and emitting secondary light having a wavelength longer than that of the primary light, wherein the wavelength conversion unit includes plural kinds of phosphors having light absorption characteristics different from each other, and then at least one kind of phosphor among the plural kinds of phosphors has an absorption characteristic that can absorb the secondary light emitted from at least another kind of phosphor among the plural kinds of phosphors.

Fluorescent body, fluorescent body manufacturing method, light-emitting element, light-emitting device, and image display device

A fluorescent body according to the present invention has a composition represented by general formula M α (L,A) β X γ :Eu δ , wherein at least some of elements M, each of which is of a fluorescent body host crystal represented by M α (L,A) β X γ , are substituted with Eu as an activation material. The fluorescent body is configured such that: M represents one or more elements (including at least Sr) selected from Mg, Ca, Sr, Ba, and Zn; L represents one or more elements selected from Li, Na, and K; A represents one or more elements selected from Al, Ga, B, In, Sc, Y, La, and Si; X represents one or more elements (excluding the case where X is only N) selected from O, N, F, and Cl; α, β, γ, and δ satisfy 8.70≤α+β+γ+δ≤9.30, and 0.00<α≤1.30, 3.70≤β≤4.30, 3.70≤γ≤4.30, and 0.00<δ≤1.30 are satisfied; and, in a fluorescence spectrum generated by irradiation with light having a wavelength of 260 nm, in a case where I 0 represents a fluorescence intensity at a wavelength of 569 nm and I 1 represents a fluorescence intensity at a wavelength of 617 nm, a fluorescence intensity ratio I 1 /I 0 is 0.01-0.4.

Phosphor compositions and lighting apparatus thereof

A phosphor composition is presented. The phosphor composition includes a solid solution of aluminum nitride and a complex oxide including europium and strontium, where an amount of oxygen in the solid solution is at least 0.4 weight percent and less than 1 weight percent. A lighting apparatus including a phosphor material including the phosphor composition is also provided.

Luminescent substance and light source having such a luminescent substance

본 발명은 Si의 서브-화학량론적인 프랙션을 포함하는 오쏘실리케이트들의 클래스로부터의 새로운 발광 물질에 관한 것이다. 특히, SE 및 N이 안정화를 위해 부가된다.

Light emission device and display device using same as light source

본 발명은 발광 장치 및 이 발광 장치를 광원으로 사용하는 표시 장치에 관한 것으로서, 이 발광 장치는 진공 영역을 사이에 두고 대향 배치되는 제1 기판 및 제2 기판; 제1 기판의 내면에 위치하는 전자 방출부; 제1 기판의 내면에 위치하며 화소별로 전자 방출부들의 방출 전류량을 제어하는 구동 전극; 제2 기판의 내면에 위치하는 애노드 전극; 상기 애노드 전극의 일면에서 화소 영역들에 대응하여 서로간 거리를 두고 형성되는 형광층; 및 상기 형광층을 덮으며 형성되고, Ag을 포함하며, 90 내지 99.9%의 반사율을 갖는 반사막을 포함한다. 본 발명의 발광 장치는 반사막의 반사 효율이 매우 우수하여, 결과적으로 형광체의 음극 발광 효율이 매우 우수하다. 발광장치, 스프레이코팅,Ag,반사막,반사효율

Plasma display device

본 발명은 형광체층의 휘도의 열화가 방지된 플라즈마 디스플레이 장치를 제공한다. The present invention provides a plasma display device in which the deterioration of the luminance of the phosphor layer is prevented. 1색 또는 복수색의 방전 셀이 복수 배열됨과 더불어, 각 방전 셀에 대응하는 색의 형광체층(110B, 110R, 110G)이 배설되고, 상기 형광체층이 자외선에 의해 여기되어 발광하는 플라즈마 디스플레이 패널(100)을 구비한 플라즈마 디스플레이 장치로서, 상기 형광체층은 청색 형광체(110B)를 포함하고, 또한 상기 청색 형광체(110B)는 Mo 및 W 중에서 선택되는 적어도 일종의 원소를 포함하는 알칼리 토류 금속 알루민산염 형광체로 구성한다. 청색 형광체에 6가의 이온(Mo, W)을 첨가함으로써, Ba 원자를 함유하는 층(Ba-O층) 근방의 산소의 결함을 없애고, 청색 형광체 표면으로의 물의 흡착을 억제하여, 각 형광체의 휘도 열화나 색도 변화와 방전 특성의 개선을 행한다. Plasma display panel in which a plurality of discharge cells of one color or a plurality of colors are arranged, and phosphor layers 110B, 110R, and 110G of a color corresponding to each discharge cell are disposed, and the phosphor layers are excited by ultraviolet rays to emit light. 100), wherein the phosphor layer includes a blue phosphor 110B, and the blue phosphor 110B includes an alkaline earth metal aluminate phosphor comprising at least one element selected from Mo and W. It consists of. By adding hexavalent ions (Mo, W) to the blue phosphor, defects of oxygen in the vicinity of the layer containing Ba atoms (Ba-O layer) are eliminated, and adsorption of water onto the surface of the blue phosphor is suppressed, and the luminance of each phosphor is reduced. Deterioration, chromaticity change and discharge characteristics are improved.