Abstract: An organic electroluminescence display device includes: a light emission region including a plurality of pixels on a drive substrate, wherein each of the pixels includes, in order from a side close to the drive substrate, a first electrode, a functional layer, and a second electrode, the first electrode is provided for each of the pixels, and the functional layer includes at least an organic electroluminescence layer; a print pattern layer included in the functional layer and formed individually for each of the pixels; and a protrusion provided on the drive substrate and protruding further than any layer provided between the print pattern layer and the drive substrate.

Abstract: A light emitting device comprises a resin molded body having a recess, the recess having a first bottom surface and a second bottom surface arranged at a higher location of an outer periphery than the first bottom surface; a first electrically conductive member and a second electrically conductive member each having terminal portions respectively exposed from a first outer side surface and second outer side surface which are opposite outer side surfaces among the outer side surfaces of the resin molded body; a light emitting element mounted on the first electrically conductive member; a protective element mounted on the second electrically conductive member; and another electrically conductive member separated from the first electrically conductive member and the second electrically conductive member.

Abstract: Squarylium dyes with improved design flexibility via functionalization thereof thereby yielding desirable photophysical, solubility, thermal stability, and/or light stability properties, for example. The resulting dyes are useful in optical filters and as fluorescent indicators, for example.

Abstract: The present invention provides a new class of excited state intramolecular charge transfer (ESIPT) dye compounds based on mono or dihydroxy substituted 1,3-bisiminoisoindole motif and metal complexes containing such compounds as ligands. The present invention also provides OLEDs containing the compound and/or metal complex as the emissive material.

Abstract: The present invention relates to the use of dibenzofurans and dibenzothiophenes which have at least one nitrogen-bonded five-membered heterocyclic ring as a substituent as host, blocker and/or charge transport material in organic electronics. The present invention further relates to dibenzofurans and dibenzothiophenes which comprise at least one nitrogen-bonded five-membered heterocyclic ring and at least one carbazolyl radical as substituents, to a process for preparation thereof, and to the use of these compounds in organic electronics.

Abstract: A semiconductor device includes: a substrate; a semiconductor layer composed of GaN-based compound semiconductor on the substrate; a source electrode, a gate electrode, and a drain electrode on the substrate; and an additive substance added to the semiconductor layer. The additive substance serves as a luminescent center within the semiconductor layer. Charge trapped at an energy level in the semiconductor layer is released and recombined by light generated from the luminescent center.

Abstract: An LED lamp provides a strong red color with a natural appearance. The LED lamp is provided with an LED module and a filter. The LED module includes a blue LED with a main emission peak in the 440 nm to 460 nm wavelength band, a green/yellow phosphor that is excited by light emitted by the blue LED, and a red phosphor that is excited by light emitted by at least one of the blue LED and the green/yellow phosphor. The filter reduces the spectral radiation intensity of at least a portion of the 570 nm to 590 nm wavelength band among light emitted by the LED module.

Abstract: A pixel structure comprises a substantially transparent substrate, a drive transistor formed on the substrate, an organic light emitting device formed on the opposite side of the drive transistor from the substrate, a reflective layer disposed between the light emitting device and the drive transistor and having a reflective surface facing the light emitting device. The reflective layer forms an opening offset from the drive transistor for passing light emitted by the light emitting device to the substrate. At least a portion of the reflective layer is preferably concave in shape to direct reflected light from the light emitting device back onto the light-emitting device.

Abstract: A color filter substrate includes a transparent substrate, a patterned light-shielding layer, a plurality of color filter units, and a plurality of dummy color filter units. The transparent substrate has a display region and a peripheral region surrounding the display region. The patterned light-shielding layer is disposed on the transparent substrate, and the patterned light-shielding layer includes a first light-shielding pattern disposed on the display region and a second light-shielding pattern disposed on the peripheral region. The first light-shielding pattern defines a plurality of sub-pixel regions. The color filter units are disposed on the display region. The dummy color filter units are disposed on the peripheral region. Spacing between two adjacent dummy color filter units or spacing between the color filter unit and the adjacent dummy color filter unit is wider than spacing between two adjacent color filter units.

Abstract: Embodiments of the present disclosure include organic light emitting diode (OLED) devices having hollow objects configured to scatter otherwise trapped light out of the device, thereby improving the performance of the device. The hollow objects are dispersed in one or more organic layers of the OLED device. The hollow objects may have a similar refractive index to that of air, such that visible light emitted by the emissive layer may contact the hollow objects in the OLED device and may be scattered out of the device. In some embodiments, the hollow objects may be spherical or tubular, and may be sized to be larger than the visible light wavelength spectrum.

Abstract: A method for manufacturing a light-emitting device includes a step of forming an etching resistant protection layer on a substrate provided with an organic planarizing layer, a step of forming a plurality of electrodes on the etching resistant protection layer, a step of forming an organic compound layer on the substrate provided with the plurality of electrodes, a step of forming a resist layer on the organic compound layer formed on parts of electrodes among the plurality of electrodes using a photolithographic method, and a step of removing the organic compound layer in a region not covered with the resist layer by dry etching, wherein an entire surface of the organic planarizing layer on the substrate on which steps up to the step of forming the plurality of electrodes have been performed is covered with at least one of the etching resistant protection layer and the electrode.

Abstract: The present invention is to ensure that when it has been judged that film-formation areas of a plurality of layers laminated on the same luminescent areas of organic EL devices involve a defect, it is possible to exactly find which layer of the multi-laminated layers is a defective layer. The film formation areas of layers to be laminated on luminescent area are formed in a manner such that overlap deviations e1-e3 are intentionally formed.

Abstract: A sealed body in which sealing is uniformly performed is provided. A light-emitting module in which sealing is uniformly performed is provided. A method of manufacturing the sealed body in which sealing is uniformly performed is provided. The sealed body comprises a first substrate alternately provided with a high-reflectivity region with respect to the energy ray and a low-reflectivity region with respect to the energy ray so as to overlap with a sealant surrounding a sealed object, and a second substrate capable of transmitting the energy ray. The sealed object is sealed between the first substrate and the second substrate by heating the sealant with irradiation with the energy ray through the second substrate.

Abstract: The present invention relates to a ceramics composite including: a matrix phase including Al2O3 or a substance in which one selected from Sc2O3 and Ga2O3 is incorporated into Al2O3; a main phosphor phase formed in the matrix phase and including a substance represented by a general formula A3B5O12:Ce in which A is at least one selected from Y, Gd, Tb, Yb and Lu and B is at least one selected from Al, Ga and Sc; and a CeAl11O18 phase mixed in the matrix phase and the main phosphor phase.

Abstract: Solid state light emitting devices include multiple LED components providing adjustable melatonin suppression effects. Multiple LED components may be operated simultaneously according to different operating modes according to which their combined output provides the same or similar chromaticity, but provides melatonin suppressing effects that differ by at least a predetermined threshold amount between the different operating modes. Switching between operating modes may be triggered by user input elements, timers/clocks, or sensors (e.g., photosensors). Chromaticity of combined output of multiple LED components may also be adjusted, together with providing adjustable melatonin suppression effects at each selected combined output chromaticity.

Abstract: An embodiment of the invention provides a display panel, which includes a substrate having a pixel region and a peripheral region, a conducting layer overlying the substrate in the peripheral region, a first insulating layer overlying the conducting layer in the peripheral region, wherein a ratio between an area of the first insulating layer and an area of the conducting layer in the peripheral region is between about 0.27 and 0.99, a lower electrode layer overlying the first insulating layer, a second insulating layer overlying the lower electrode layer, and an upper electrode layer overlying the second insulating layer.

Abstract: A phosphor is represented by a general Formula: EuxMyL3?x?ySi6?zAlzN11?(z+y+z)O(z+y+z) and satisfies 0.00001?x?2.9999, 0.0001?y?2.99999 and 0?z?6.0. L is at least one element selected from La, Y, Gd and Lu. M is at least one element selected from Ca, Sr, Ba and Mn.

Abstract: Aspects of the present invention provide a family of phosphor compositions that may be used in the field of lighting applications. These phosphor compositions have crystal structures and chemical bond arrangements that enable broad band absorption and excitation using radiation up to and including the blue wavelength region. A preferred embodiment of the phosphor compositions has a general formula of (AxAy . . . Az)3-(1+q)m(W1-rMor)O6:Lnm,Dqm, wherein x+y+ . . . +z=1; 0?r?1; 0?q?1; 0<m?0.12; and A=Divalent element from group IIA and/or IIB (e.g., Mg2+, Ca2+, Sr2+, Ba2+, Zn2+, etc.), W=tungsten with 6+ charge state, Mo=Molybdenum with 6+ charge state, Ln=Trivalent rare earth lanthanide element (e.g., Ce3+ to Lu3+), D=Monovalent element from group IA and/or IB (e.g., Li1+, Na1+, Cu1+, etc.), and O=Oxygen (O2?).

Abstract: The present invention relates to a silicon oxynitride phosphor, a production method for same, and an optical element comprising same. According to one embodiment of the present invention, the silicon oxynitride phosphor is a silicon oxynitride phosphor comprising a compound represented by the following chemical formula 1, which emits light on being irradiated by means of a light source. Chemical formula 1: Sr2?zSi(O1?xNx)4:zEu2+, where 0<x<1 and 0<z?0.4.

Abstract: Provided are a substrate for an organic electronic device (OED), an OED, and lighting. The substrate capable of forming an OED ensuring excellent performance and reliability because it has excellent performance including light extraction efficiency, penetration of moisture or a gas from an external environment is inhibited, and growth of dark spots is controlled may be provided.

Abstract: According to one embodiment, a display device includes a first insulating layer, a second insulating layer, a pixel electrode, a light emitting layer, an opposite electrode and a pixel circuit. The second insulating layer is provided on the first insulating layer. The pixel electrode is provided on the second insulating layer and light-transmissive. The light emitting layer is provided on the pixel electrode. The opposite electrode is provided on the light emitting layer. The circuit is provided between the first insulating layer and the second insulating layer, includes an interconnect supplied with a drive current, and is configured to supply the drive current to the pixel electrode. The circuit is connected to the pixel electrode. The interconnect has a first region overlaying the pixel electrode when projected onto a plane parallel to the first insulating layer. The interconnect has an opening in the first region.

Abstract: An OLED device is disclosed. The OLED device includes a first substrate including a driver element and a connection electrode connected to the driver element, a second substrate including an organic light emission diode element, a contact spacer electrically connected to the connection electrode, and a sealant disposed into a cavity which is formed by the first and second substrates, the connection electrode, the organic light emission diode element, and the contact space. Herein, the sealant is bonded to the contact spacer and the connection electrode and maintains the electric connection between the contact spacer and the connection electrode. In this manner, the driver element and the organic light emission diode element are protected from external oxygen and/or moisture, and the electric connection between the connection electrode and the contact spacer is reinforced.

Abstract: Phosphor compositions, white phosphor compositions, methods of making white phosphor compositions, tinted white phosphor compositions, methods of making tinted white phosphor compositions, LEDs, methods of making LEDs, light bulb structures, paints including phosphor compositions, polymer compositions including phosphor compositions, ceramics including phosphor compositions, and the like are provided.

Abstract: Provided are an ?-SiAlON activated by Eu, which can realize a higher luminance in a light-emitting device such as a white LED, and also a light-emitting device. The ?-SiAlON is represented by the general formula: (M)x(Eu)y(Si)12-(m+n)(Al)m+n(O)n(N)16-n (wherein M denotes one or more elements including at least Ca, selected from the group consisting of Li, Mg, Ca, Y and lanthanide elements (except for La and Ce)), and is constituted by an ?-SiAlON having Eu in the form of a solid solution. The 50% mean area diameter of primary particles of the ?-SiAlON is 5 ?m or more, and the ratio of the 50% mean area diameter of primary particles to the 50% mean area diameter of secondary particles of the ?-SiAlON is preferably 0.56 or more.

Abstract: The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b (MN)*c (SiN4/3)*d1 CeO3/2*d2 EuO*x SiO2*y AlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications.

Abstract: Disclosed herein is an organic EL display device, including: a lower electrode provided every first organic EL element for a blue color and every second organic EL element for another color on a substrate; a hole injection/transport layer provided every first and second organic EL elements; a second organic light emitting layer for another color provided on said hole injection/transport layer for said second organic EL element; a connection layer made of a low-molecular material and provided over an entire surface of said hole injection/transport layer for said second organic light emitting layer and said first organic EL element; a first organic light emitting layer for a blue color provided over an entire surface of said connection layer; and an electron injection/transport layer and an upper electrode provided over an entire surface of said organic light emitting layer in order.

Abstract: An organic EL display device of the invention includes: a first substrate; a second substrate disposed above the first substrate and having a display area and a non-display area; and a light-emitting layer disposed between the display area and the first substrate, wherein a first alignment mark having the light-emitting layer is disposed between the non-display area and the first substrate, and a second alignment mark is disposed on the second substrate at a position corresponding to the first alignment mark.

Abstract: A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.

Abstract: An exemplary printable composition of a liquid or gel suspension of diodes comprises a plurality of diodes, a first solvent and/or a viscosity modifier. An exemplary apparatus comprises: a plurality of diodes; at least a trace amount of a first solvent; and a polymeric or resin film at least partially surrounding each diode of the plurality of diodes. Various exemplary diodes have a lateral dimension between about 10 to 50 microns and about 5 to 25 microns in height. Other embodiments may also include a plurality of substantially chemically inert particles having a range of sizes between about 10 to about 50 microns.

Abstract: The organic light emitting device of the present invention has a plurality of emission layers between an anode and a cathode, and the emission layers are separated from each other by an equipotential surface forming layer 4 or a charge generating layer 4. The feature of the present invention resides in that the organic light emitting device has, at least either inside or outside the device, a light scattering means for scattering light emitted from the emission layers. The organic light emitting device can reduce the angle dependency of the emission brightness and the emission color by outputting the light emitted from the emission layers in a condition where the light is scattered by the light scattering means.

Abstract: The emission strength of a light released from a blue light-emitting phosphor having a merwinite crystal structure and an elemental formula of (Sr,Ca)3MgSi2O8 activated with Eu in which a molar ratio of Sr and Ca is in the range of 1:0.10 to 1:0.30 is stable in a wide temperature range.

Abstract: An electroluminescent display comprising semiconductor nanocrystals, wherein the semiconductor nanocrystals are selected to emit light at a predetermined wavelength and are disposed in a predetermined pattern. In certain embodiments, semiconductor nanocrystals that emit light at different predetermined wavelengths are disposed in the display to create a predetermined multi-color pattern.

Abstract: An exemplary embodiment of the present invention provides an organic light emitting diode, comprising a substrate, a first electrode, an organic material layer, and a second electrode, wherein a trench comprising a concave part and a convex part is provided on the substrate, the first electrode is provided on the substrate on which the trench is formed by being deposited, and an auxiliary electrode is provided on the first electrode. The organic light emitting diode according to the exemplary embodiment of the present invention may increase surface areas of the first electrode and the auxiliary electrode formed on the substrate, thereby implementing a low resistance electrode. In addition, since a line width of the electrode is not increased, it is possible to prevent a decrease of an opening ratio of the organic light emitting diode.

Abstract: The teachings are generally directed to phosphors having combination coatings with multifunctional characteristics that increase the performance and/or reliability of the phosphor. The teachings include highly reliable phosphors having coatings that contain more than one inorganic component, more than one layer, more than one thicknesses, more than one combination of layers or thicknesses, a gradient-interface between components, a primer thickness or layer to inhibit or prevent leaching of phosphor components into the coatings, a sealant layer to inhibit or prevent entry of moisture or oxygen from the environment, a mixed composition layer as a sealant and multifunctional combination coatings.

Abstract: A solid state lighting apparatus includes a plurality of light emitting diodes (LEDs) including at least a first LED and a second LED. Chromaticities of the first and second LEDs are selected so that a combined light generated by a mixture of light from the pair of LEDs has about a target chromaticity. The first LED may include a first LED chip that emits light in the blue portion of the visible spectrum and a phosphor that emits red light in response to blue light emitted by the first LED chip. The second LED emits light having a color point that is above the planckian locus of a 1931 CIE Chromaticity diagram, and in particular may have a yellow green, greenish yellow or green hue.

Abstract: A luminescent element includes a luminescent glass and a metal layer with a metal microstructure formed on a surface of the luminescent glass; wherein the luminescent glass has a chemical composition: bY2O3.cAl2O3.dB2O3.yTb2O3, wherein bY2O3.cAl2O3.dB2O3.yTb2O3. A preparation method of a luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.

Abstract: Provided is a phosphor particle group of divalent europium-activated oxynitride green light emitting phosphor particles each of which is a ?-type SiAlON represented by a general formula: EuaSibAlcOdNe, where 0.005?a?0.4, b+c=12, d+e=16, wherein a mean value of a value obtained by dividing a longer particle diameter by a shorter particle diameter is not greater than 1.75. Also provided are a light emitting apparatus using the phosphor particle group in a light converter, and a liquid crystal display television using the light emitting apparatus. With these, a high-efficiency and stable light emitting apparatus using a ?-type SiAlON, and a phosphor particle group therefor are provided.

Abstract: An alumina-based ceramic wavelength converter is described having a surface layer containing a second phase of alumina, preferably as alumina crystallites. The surface layer is formed as a result of the sintering process used to form the bulk ceramic which is itself substantially transparent. The ceramic wavelength converter is combined with a light emitting diode to form a light emitting device. Preferably, the ceramic wavelength converter is comprised of an alumina-based phosphor represented by a general formula A3B5O12:Ce, wherein A is Y, Sc, La, Gd, Lu, or Tb and B is Al, Ga or Sc.

Abstract: The fluorescent substance according to the present disclosure emits luminescence with a peak in the wavelength range of 500 to 600 nm under excitation by light with a peak in the wavelength range of 250 to 500 nm, and has an optical absorption coefficient ?560nm of 4×10?5 or less at 560 nm. The substance is represented by the following formula (1): (M1-xCex)2yAlzSi10-zOuNw??(1). In the formula, M is a metal element selected from the group consisting of Ba, Sr, Ca, Mg, Li, Na and K; and x, y, z, u and w are variables satisfying the conditions of 0<x?1, 0.8?y?1.1, 2?z?3.5, u?1, 1.8?z?u and 13?u+w?15, respectively.

Abstract: A fluorescent lamp includes a phosphor composition comprising: Y2O3:Eu3+ (YEO); at least one of LaPO4:Ce3+, Tb3+ (LAP), MgAl11O19:Ce3+, Tb3+ (CAT) or GdMgB5O10:Ce3+, Tb3+ (CBT); a special BAMn phosphor, (Ba,Sr,Ca)(Mg1-xMnx)Al10O17:Eu2+, with a specific amount of Mn (x) as disclosed herein, and optionally halophosphor, with the proviso that there is no BaMgAl10O17:Eu2+ (BAM).

Abstract: There are provided an oxynitride-based phosphor and a light emitting device including the same, the oxynitride-based phosphor containing at least calcium (Ca), barium (Ba), silicon (Si), oxygen (O), and nitrogen (N) as host material components in a host material and having a rare-earth element dissolved in the host material as an activator, wherein the rare-earth element is at least one from a group consisting of manganese (Mn), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), dysprosium (Dy), terbium (Tb), holmium (Ho), erbium (Er), thulium (Tm), and ytterbium (Yb), and the host material has a monoclinic crystal structure in which a crystal lattice according to a peak of an X-ray powder diffraction pattern has values of a=7.076, b=23.888, c=4.827, ?=?=90°, and ?=109.110°.

Abstract: A light-emitting element is provided which has a light-emitting layer between a first electrode and a second electrode, where the light-emitting layer has a first layer and a second layer; the first layer contains a first organic compound and a third organic compound; the second layer contains a second organic compound and the third organic compound; the first layer is provided to be in contact with the second layer on the first electrode side; the first organic compound is an organic compound with an electron transporting property; the second organic compound is an organic compound with a hole transporting property; the third organic compound has an electron trapping property; and light emission from the third organic compound can be obtained when voltage is applied to the first electrode and the second electrode so that the potential of the first electrode is higher than that of the second electrode.

Abstract: Auxiliary wiring boards 5a and 5b have electrode pads 51a and 51b which are electrically connected to electrode extraction units 26a and 26b of an organic EL device 21 and metal pads 52a and 52b which are electrically connected to the electrode pads 51a and 51b. The metal pads 52a and 52b are wire-bonded to metal lands 31a and 31b of a wiring board 3 by ultrasonic waves at a low joining temperature. Accordingly, a thermal denaturation of the organic EL device 21 can be suppressed and moreover, the organic EL device 21 can be electrically connected to the wiring board 3 regardless of whether the electrode extraction units 26a and 26b are made up of the metal material or the non-metal material.

Abstract: The invention relates to a method for making an electronic display device (1) having a screen (3) covered by a protection plate, and to a substrate (2) covered by said screen for obtaining such a device. The method comprises the following steps: a) applying glue (10) at the non cross-linked state substantially on the entire surface of the screen and/or the assembling surface (11a) of the plate (11) following a deposit on the screen connection area (5) of at least one organic layer (15) for protecting the connection area from the glue; applying the assembling surface against the screen via the glue; c) emitting a radiation through the plate for cross-linking the glue; and d) removing a portion of the plate covering the connection area so that the latter can be electrically accessible, the protection layer being removed from the connection area upon said removal or during a further surface processing step.

Abstract: According to one embodiment, the luminescent material shows a luminescence peak in a wavelength range of 570 to 670 nm when excited with light having an emission peak in a wavelength range of 250 to 520 nm. The luminescent material includes a host material having a crystal structure substantially same as the crystal structure of Sr2Si7Al3ON13. The host material is activated by Eu, and includes Sr and Ca to satisfy a relationship of 0.008?MCa/(MSr+MCa)?0.114, where MCa is a number of moles of Ca and MSr is a number of moles of Sr.

Abstract: Yellow-green to yellow-emitting, lutetium aluminate-based terbium (Tb) containing phosphors for use in white LEDs, general lighting, and LED and backlighting displays are disclosed herein. The phosphor may further contain gadolinium (Gd). In one embodiment of the present invention, the phosphor comprises a cerium-activated, yellow-green to yellow-emitting lutetium aluminate-based phosphor having the formula (Lu1-xAx)3Al5O12:Ce wherein A is at least one of Gd and Tb and 0.1?x?1.0, wherein the phosphor is configured to emit light having a peak emission wavelength ranging from about 550 nm to about 565 nm, and wherein the phosphor contains at least some Tb.

Abstract: The present invention provides a method for producing a fluoride fluorescent material, comprising: contacting a fluoride particles represented by the following general formula (I): K2[M1?aMn4+aF6]??(I) wherein M is at least one member selected from the group consisting of elements belonging to Groups 4 and 14 of the Periodic Table, and a satisfies the relationship: 0<a<0.2; with a solution containing alkaline earth metal ions in the presence of a reducing agent to form an alkaline earth metal fluoride on the surface of the fluoride particles.

Abstract: According to one aspect of the present invention, a laminated structure of conductive transparent oxide layers containing silicon or silicon oxide is applied as an electrode on the side of injecting a hole (a hole injection electrode; an anode) instead of the conventional conductive transparent oxide layer such as ITO. In addition, according to another aspect of the invention, a laminated structure of conductive transparent oxide layers containing silicon or silicon oxide, each of which content is different, is applied as a hole injection electrode. Preferably, silicon or a silicon oxide concentration of the conductive layer on the side where it is connected to a TFT ranges from 1 atomic % to 6 atomic % and a silicon or silicon oxide concentration on the side of a layer containing an organic compound ranges from 7 atomic % to 15 atomic %.

Abstract: Low-HF or HF-free processes for improving color stability of a Mn+4 doped phosphor of formula I include contacting the phosphor of formula I with a solution that contains hexafluorosilicic acid, and isolating a treated phosphor of formula I having improved color stability relative to an untreated phosphor of formula I Ax[MFy]:Mn+4??(I) wherein A is Li, Na, K, Rb, Cs, R4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.

Abstract: To provide a phosphor having a broad emission spectrum with a peak in the range from yellow color to red color (wavelength from 570 nm to 620 nm), having a flat excitation band with large area on the long wavelength side from near ultraviolet/ultraviolet to green color (wavelength from 250 nm to 550 nm), and excellent in emission intensity and luminance, and a method of manufacturing the same, and also a light source such as white LED using the phosphor. As raw materials, Ca3N2(2N), AlN(3N), Si3N4(3N), and Eu2O3(3N) are prepared, and out of each raw material, 0.950/3 mol of Ca3N2, 2 mol of AlN, 4/3 mol of Si3N4, and 0.050/2 mol of Eu2O3 are weighed, and the raw materials thus weighed are mixed by using a mortar. The raw materials thus mixed are put in a BN crucible, and retained/fired for 3 hours at 1700° C. in a nitrogen atmosphere, and thereafter cooled from 1700° C. to 200° C., to thereby obtain the phosphor expressed by a composition formula Ca0.950Al2Si4O0.075N7.917:Eu0.050.