Abstract: This disclosure discloses a wavelength converting material. The wavelength converting material comprises a plurality of wavelength converting particles, the wavelength converting particles having an average particle size greater than 5 ?m, and wherein each of the wavelength converting particles has a particle size. 90% of the wavelength converting particles have the particle size smaller than a ?m; 50% of the wavelength converting particles have the particle size smaller than b ?m; and 10% of the wavelength converting particles have the particle size smaller than c ?m; wherein (a?c)/b?0.5.

Abstract: Disclosed is a device for producing an electric current and a method for making the same. The device for producing an electric current, comprising: an anode comprising a stack formed by alternately stacking of at least one Si layer and at least one carbon material layer, and a LiPON layer on the stack; a cathode; and an electrolyte between the anode and the cathode.

Abstract: Disclosed are compositions and synthetic methods of phosphors that can be efficiently excited by blue light. The wavelength of the blue light is between 400 nm to 480 nm. The phosphors contain garnet fluorescent material activated with cerium, which contain Ba, Y, Tb, Lu, Sc, La, Gd, Sm, or combinations thereof, and Al, Ga, In, or combinations thereof. In addition, the phosphors are easily and quickly prepared in a large amount. The phosphors have high thermal stability and high emission intensity, therefore, being high of value in industry for utilization.

Abstract: The present disclosure provides an illuminating system including a light emitting diode (LED); and a tunable luminescent material disposed approximate the light-emitting diode, wherein the tunable luminescent material includes alkaline earth metal (AE) and silicon aluminum nitride doped by a rare earth element (RE), formulated as (AE)Si6?pAlpN8, wherein p is a parameter defining a relative aluminum content in weight and p is greater than zero.

Abstract: Provided is a metal oxonitridosilicate phosphor of a general formula M5?z?a?bAl3+xSi23?xN37?x?2aOx+2a: Euz, Mnb, wherein M is one or more alkaline earth metals; 0?x?7; 0?a?1; 0<z?0.3; and 0<b?0.3.

Abstract: A cell module includes an anode, a cathode and a proton exchange membrane. The anode adheres to one side of the proton exchange membrane while the cathode adheres to the opposite side thereof. The anode comprises a substrate and at least one diamond-like carbon layer covering the substrate. The present disclosure further provides an ozone generator and a method using the same.

Abstract: A white-light emitting device and its preparation method are provided. The white-light emitting device comprises an ultraviolet (UV) light emitting diode (LED) chip, a first phosphor, and a second phosphor, wherein the UV LED chip generates a first radiation; the first phosphor is composed of Zn(C3N2H4)2 powder and is excited by the first radiation to generate a second radiation; and the second phosphor is excited by the first radiation and/or the second radiation to generate a third radiation. The third radiation is then mixed with the first radiation and/or the second radiation to generate a white light.

Abstract: This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

Abstract: A wavelength converting material comprising a phosphate compound have a chemical formula of ABl-m-nPO4:Mm, Nn, wherein A comprises an alkali metal element, B comprises an alkaline earth metal element, M is a sensitizer comprising a rare-earth element, and N is an acceptor comprising a rare-earth element, wherein 0<m?0.3 and 0<n?0.3.

Abstract: Disclosed is a phosphor and a method for preparing the same. The phosphor comprises a material having a general composition formula expressed by M1Si6N8-XOX (satisfying 0?x?1), where M is alkaline earth metal.

Abstract: This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

Abstract: A phosphor comprising an oxynitride compound having a chemical formula of A2-mE3O2N4:Mm, wherein A comprises an alkaline-earth element, E comprises a IVA group element, M is an activator comprising a bivalent rare-earth element, and 0.00001?m?1.0, wherein A is at least one element selected from the group consisting of Mg, Ca, Sr and Ba; E is at least one element selected from the group consisting of C, Si, Ge, and Sn; and M is at least one element selected from the group consisting of Lu, Sc, La, Gd, Tb, Eu, and Sm.

Abstract: A method for manufacturing metal nano particles having a hollow structure is provided. First, a suitable reducing agent is added into a first metal salt solution, and first metal ions are reduced to form first metal nano particles. Next, after the reducing agent is decomposed, a second metal salt solution with a higher reduction potential than that of the first metal is added. Then, the first metal particles are oxidized to form first metal ions when the second metal ions are reduced on the surface of the first metal by electrochemical oxidation reduction reaction, and thus, second metal nano particles having a hollow structure and a larger surface area are obtained. The method is simple and the metal nano particles with uniform particle size are obtained by this method.

Abstract: Disclosed is a phosphor and a method for preparing the same. The phosphor comprises a material having a general composition formula expressed by M1Si6N8?xOx (satisfying 0?x?1), where M is alkaline earth metal.

Abstract: A phosphor is represented by below formula: AaBbCcDdEe:Mm wherein, M represents at least one activator selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb and combinations thereof; A represents at least one element selected from Ca2+, Sr2+, Ba2+ and combinations thereof; B represents C4+, Si4+ or Ge4+; C represents B3+, Al3+ or Ga3+; D and E each independently represent at least one element selected from N, O, F and combinations thereof; m+a=2; 0.00001?m?0.1; 0.5?b+c?8; and 0.5?d+e?10. The phosphor has a color render index of greater than 50 and is suitable to be applied in a white LED to improve the color rendering property of the white light. A method of preparing the phosphor is also provided.

Abstract: This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

Abstract: A white-light emitting device and its preparation method are provided. The white-light emitting device comprises an ultraviolet (UV) light emitting diode (LED) chip, a first phosphor, and a second phosphor, wherein the UV LED chip generates a first radiation; the first phosphor is composed of Zn(C3N2H4)2 powder and is excited by the first radiation to generate a second radiation; and the second phosphor is excited by the first radiation and/or the second radiation to generate a third radiation. The third radiation is then mixed with the first radiation and/or the second radiation to generate a white light.

Abstract: A fluorescent layer, its preparation method and uses are provided. The fluorescent layer is provided from a fluorescent material and a calcining material. The fluorescent material is in an amount ranging from about 5 wt % to about 95 wt % based on the total weight of the fluorescent layer. The fluorescent layer of the present invention can be used in a light-emitting diode to change the color of emitting-light and improve the heat dissipation of the light-emitting diode. Furthermore, the fluorescent layer of the present invention is free of an organic resin, and thus, does not have the problem of aging (etiolation). The final product has a stable, lasting and durable luminescent quality.

Abstract: An oxynitride phosphor and a method of manufacturing the same are revealed. The formula of the oxynitride phosphor is Ba3-x-ySi6O12N2:Cey, Eux (0?x?1, 0?y?1). Europium (Eu) and cerium (Ce) are luminescent centers. The oxynitride phosphor is synthesized by solid-state reaction. The oxynitride phosphor is excited by vacuum ultraviolet light with a wavelength range of 130 nm to 300 nm or ultraviolet to visible light with a wavelength range of 350 nm to 550 nm. The emission wavelength of the oxynitride phosphor is ranging from 400 nm to 700 nm. Thus the oxynitride phosphor can be applied to plasma display panels and ultraviolet (UV) excitation sources. The energy transfer occurs between Ce and Eu of the oxynitride phosphor and the oxynitride phosphor has a blue light emission peak and a green light emission peak. Thus color rendering index of the oxynitride phosphor is improved.

Abstract: A method of manufacturing an oxynitride phosphor is revealed. A precursor is sintered under 0.1-1000 MPa nitrogen pressure for synthesis of an oxynitride phosphor. The general formula of the oxynitride phosphors is MxAyBzOuNv (0.00001?x?5; 0.00001?y?3; 0.00001?z?6; 0.00001?u?12; 0.00001?v?12). M is an activator or a mixture of activators. A is a bivalent element or a mixture of bivalent elements. B is a trivalent element, a tetravalent element, a mixture of trivalent elements or a mixture of tetravalent elements. O is a univalent element, a bivalent element, a mixture of univalent elements, or a mixture of bivalent elements. N is a univalent element, a bivalent element, a trivalent element, a mixture of univalent elements, a mixture of bivalent elements, or a mixture of trivalent elements. Thus pure phosphor can be mass-produced.