156results about How to "Strong luminescent peak" patented technology

A manganese and titanium co-doped fluorine magnesium germanate luminescent material has a chemical formula of aMgO-bMgF2-cGeO2: dMn<4+>, eTi<4+>, wherein aMgO-bMgF2-cGeO2 is a matrix, manganese element and titanium element are activation elements, a is 1-6, b is 0.05-2, c is 0.5-3, d is 0.01-0.05, and e is 0.005-0.03. In an electroluminescence (EL) spectrum of a luminescent thin film prepared by the manganese and titanium co-doped fluorine magnesium germanate luminescent material, a wavelength region of 650 nm has very strong luminescence peaks, and the luminescent thin film can be used in a thin-film electroluminescent display. The invention also provides a preparation method and application of the manganese and titanium co-doped fluorine magnesium germanate luminescent material.

The invention discloses a samarium-doped rare earth borate luminous film which has a chemical formula of MeBO3:xSm<3+>, wherein x is more than or equal to 0.01 and less than or equal to 0.05, MeBO3 is a matrix, the samarium element is an active element, and Me is Y, La, Gd or Lu. The samarium-doped rare earth borate luminous film has high luminous peaks at the positions of 638nm and 727nm in an electroluminescent spectrum (EL) and can be applied to a thin-film electroluminescent display. The invention also provides a preparation method and application of the samarium-doped rare earth borate luminous film.

The invention relates to a europium-terbium co-doped zirconium phosphate luminescent material. The europium-terbium co-doped zirconium phosphate luminescent material has a chemical formula of MZr4-x-yP6O24:xEu<3+>, yTb<3+>, wherein M is Ca, Ba or Sr, x is more than or equal to 0.02 and less than or equal to 0.1, and y is more than or equal to 0.01 and less than or equal to 0.04. The electroluminescent spectrum (EL) of a luminescent film prepared from the europium-terbium co-doped zirconium phosphate luminescent material has very strong photoluminescence peaks in areas of which the wavelengths are 510nm and 610nm, and the luminescent film can be applied to film electroluminescent displays. The invention also provides a preparation method and application of the europium-terbium co-doped zirconium phosphate luminescent material.

The invention provides a europium-terbium-codoped rare earth silicate luminescent material with a chemical formula of LaaGdbLucSiO5: xEu2+, yTb3+, wherein LaaGdbLucSiO5 is a matrix, a europium ion and a terbium ion are active elements, x is in a range of 0.01 to 0.05, y is in a range of 0.005 to 0.03, a is in a range of 0 to 2, b is in a range of 0 to 2, c is in a range of 0 to 2, and a+b+c is equal to 2. In the electroluminescent spectrum (EL) of a luminescent film prepared from the europium-terbium-codoped rare earth silicate luminescent material, strong luminescent peaks appear at zones with wavelength of 480 nm and 580 nm, and the luminescent film is applicable to a thin-film electroluminescent display. The invention further provides a preparation method and application of the europium-terbium-codoped rare earth silicate luminescent material.

The invention provides an europium-erbium double-doped zinc selenide luminescent material with a chemical formula of ZnSe:xEu<3+>,yEr<3+>, wherein x is 0.01-0.05, y is 0.01-0.06, ZnSe is a matrix, and Eu<3+> and Er<3+> ions are active elements. In an electroluminescence spectrum (EL) of a luminescent thin film prepared with the europium-erbium double-doped zinc selenide luminescent material, strong luminescence peaks can be found at 490nm and 580nm wavelength zones. The material can be used in a thin-film electroluminescent display device. The invention also provides a preparation method and an application of the europium-erbium double-doped zinc selenide luminescent material.

The invention belongs to the field of photoelectric light-emitting films, and discloses a cerium-terbium co-doped borophosphate light-emitting film and a preparation method thereof as well as an organic electroluminescence device. A chemical general formula of the light-emitting film is Sr(PO4)x(BO3)1-x:mCe<3+>, nTb<3+>, wherein Sr(PO4)x(BO3)1-x is a matrix, Ce<3+> and nTb<3+> are doping elements; x ranges from 0.4-0.8, m ranges from 0.012-0.036, and n ranges from 0.011-0.054. According to the invention, the cerium-terbium co-doped borophosphate light-emitting film is prepared by a magnetron spluttering device, has strong light-emitting peaks in wavelength regions of 490 nm and 510 nm, and is a development material of the electroluminescence device.

The invention provides a europium doped aluminosilicate luminescent material, a luminescent film and a film electroluminescent display device as well as preparation methods thereof. The europium doped aluminosilicate luminescent material has a chemical structural formula of MeAl2-xSi2O8:xEu<3+>, wherein MeAl2-xSi2O8 is a matrix, Eu is an activated element, Me is selected from one or more of Mg, Ca, Sr, Zn and Ba, and the value of x is 0.01-0.05. The europium doped aluminosilicate luminescent material can be used for preparing a europium doped aluminosilicate luminescent film. The europium doped aluminosilicate luminescent film can be used for preparing the film electroluminescent display device. The electroluminescent spectrum of the europium doped aluminosilicate luminescent film has strong photoluminescence peaks around 580nm and 620nm.

The invention discloses a cerium-terbium co-doped calcium sulfate luminous film with chemical formula of Ca(1-x-y)SO4:xCe<3+>, yTb<3+>, wherein 0.01<=x<=0.05, 0.01<=y<=0.08, Ca(1-x-y)SO4 is the matrix, and the cerium element and terbium element are active elements. In the electroluminescence spectrum (EL) of the cerium-terbium co-doped calcium sulfate luminous film, strong luminescence peaks appear at the positions of 490nm and 510nm, and the cerium-terbium co-doped calcium sulfate luminous film can be applied to a film electroluminescent display. The invention also provides a preparation method of the cerium-terbium co-doped calcium sulfate luminous film and an application thereof.

The invention relates to a europium-erbium double-doped zirconium dioxide light-emitting film. The chemical formula of the europium-erbium double-doped zirconium dioxide light-emitting film is ZrO2:xEu<3+>, yEr<3+>, wherein x is more than or equal to 0.01 and less than or equal to 0.05, y is more than or equal to 0.01 and less than or equal to 0.06, ZrO2 is a matrix, and an europium element and an erbium element are activated elements. The europium-erbium double-doped zirconium dioxide light-emitting film disclosed by the invention has very high light-emitting peaks in the 490 nanometer position and 580 nanometer position of an EL (Electroluminescent Spectrum), thereby being applied to a film electroluminescent display. The invention also provides a preparation method and application of the europium-erbium double-doped zirconium dioxide light-emitting film.

The invention provides a cerium/europium-codoped alkaline-earth niobium zincate luminescent material of which the chemical formula is Me[3-x-y]ZnNb2O9:xCe<3+>,yEu<3+>, wherein x is 0.01-0.05, y is 0.01-0.08, and Me is selected from at least one of calcium, strontium and barium. The light-emitting film prepared from the cerium/europium-codoped alkaline-earth niobium zincate luminescent material has strong light-emitting peaks at the wavelength of 490nm and 560nm in the electroluminescent spectrum (EL), and thus, is applicable to film electroluminescent display devices. The invention also provides a preparation method and application of the cerium/europium-codoped alkaline-earth niobium zincate luminescent material.

The invention relates to a cerium and terbium codoped borophosphate light-emitting film with the chemical formula of Me3BP3O12: xCe<3+>, yTb<3+>, wherein 0.01<=x<=0.05, 0.01<=y<=0.08, Me3BP3O12 is a substrate, the cerium element and the terbium element are active elements, and Me is Mg, Ca, Sr or Ba. The cerium and terbium codoped borophosphate light-emitting film has a rather strong light emitting peak within the wavelength regions of 490nm and 510nm in an electroluminescence spectrum (EL), and can be applied to a film electroluminescent display. The invention also provides a preparation method and application of the cerium and terbium codoped borophosphate light-emitting film.

The invention provides a niobate-based luminescent energy storage material with high energy storage density and a preparation method thereof. The material includes a top electrode, a deposition medium, a substrate and a bottom electrode. The preparation method is as follows: raw materials PbO, SrCO ₃ 、Na ₂ CO ₃ , Nb ₂ o ₅ and SiO ₂ After grinding, heating and melting, it is formed into a sheet in a mold, and after heat treatment of controllable crystallization, a disc energy storage target is obtained; BeO, BeCl, Nb ₂ o ₅ and Sm ₂ o ₃ After being ground, heated and melted, it is formed into a sheet in a mold, and after a controllable crystallization heat treatment, a disc light-emitting target is obtained; the energy storage material and the light-emitting material are respectively deposited on the surface of the substrate, and then through the photoresist process and magnetic Controlled sputtering, the surface of the substrate is plated with gold to form the top electrode, the bottom surface of the substrate is plated with aluminum to form the bottom electrode, and a niobate-based luminescent energy storage material with high energy storage density is formed.

The invention provides a fluorine/copper-codoped alkaline earth sulfide light-emitting material of which the chemical formula is MeS:xCu<2+>,yF<->, wherein x is 0.01-0.05, y is 0.01-0.06, and Me is zinc ion, magnesium ion, calcium ion, strontium ion or barium ion. In the electroluminescent spectrum (EL) of the light-emitting film prepared from the fluorine/copper-codoped alkaline earth sulfide light-emitting material, the 430nm-wavelength region has strong light-emitting peak, and thus, the fluorine/copper-codoped alkaline earth sulfide light-emitting material can be applied to film electroluminescent displays. The invention also provides a preparation method and application of the fluorine/copper-codoped alkaline earth sulfide light-emitting material.

The invention belongs to the field of photoelectric luminescent films, and discloses a samarium-doped strontium sulfate luminescent film, a preparation method thereof, and an organic electroluminescent device; the general chemical formula of the luminescent film is Sr1-xSO4:xSm3+, wherein Sr1-xSO4 is a matrix, and Sm is the doping element; the value range of x is 0.001-0.005. According to the invention, the samarium-doped strontium sulfate luminescent film is prepared by magnetron sputtering equipment, has very strong luminescent peaks in both 638-nm and 727-nm wavelength zones, and is a developing material for electroluminescent devices.

The invention discloses a europium and terbium-co-doped vanadite luminescent thin film and a preparation method and application thereof. The chemical general formula of the material of the europium and terbium-co-doped vanadite luminescent thin film is Me3(VO4)2: xEu<3+>, yTb<3+>, wherein Me3(VO4)2 is a matrix, a Eu element and a Tb element are active elements, x is 0.01-0.05, y is 0.01-0.04, and Me is Mg, Ca, Sr or Ba. In an electroluminescence spectrum (EL) of the europium and terbium-co-doped vanadite luminescent thin film (Me3(VO4)2: xEu<3+>, yTb<3+>), very strong luminescence peaks occur in 490nm and 510nm wavelength regions, and the europium and terbium-co-doped vanadite luminescent thin film can be applied to a thin film electroluminescent device. The invention further discloses a preparation method of the europium and terbium-co-doped vanadite luminescent thin film, the thin film electroluminescent device using the europium and terbium-co-doped vanadite luminescent thin film and a preparation method of the thin film electroluminescent device.