摘要:
A phosphor as a divalent europium-activated oxynitride green light emitting phosphor which is a β-type SiAlON substantially represented by a general formula (A): EuaSibAlcOdNe (where a, b, c, d, and e are numbers satisfying 0.005≦a≦0.4, b+c=12, and d+e=16), and having an average particle size (d1) (determined by an air permeability method) of 9 to 16 μm, a median diameter (50% D) in particle size distribution of 12.5 to 35 μm, 50% D/d1 of 1.4 to 2.2, and an absorptance at 600 nm of not more than 8.0%, and a light emitting apparatus, a BL light source apparatus, and a liquid crystal display device using the same are provided, to provide a light emitting apparatus with a high efficiency and a stable characteristic and a liquid crystal display apparatus using the same by using the β-type SiAlON having controlled dispersibility and improved transparency.
摘要翻译:作为基本上由通式(A)表示的基本上由通式(A)表示的SiAlON的二价铕活化的氮氧化物绿色发光荧光体的荧光体:EuaSibAlcOdNe(其中a,b,c,d和e是满足0.005&nlE的数; a,n = e,0.4,b + c = 12,d + e = 16),平均粒径(d1)(透气度法测定)为9〜16μm,中值粒径(50%D) 粒径分布为12.5〜35μm,50%D / d1为1.4〜2.2,吸收率为600nm以下为8.0%以下,发光装置,BL光源装置以及液晶显示装置 提供了使用它们以提供具有高效率和稳定特性的发光装置,以及使用具有受控分散性和改进的透明度的“SiAlON”的液晶显示装置。
摘要:
There are provided a phosphor which is a divalent europium-activated oxynitride phosphor substantially represented by General formula (A): EuaSibAlcOdNe, a divalent europium-activated oxynitride phosphor substantially represented by General formula (B): MIfEugSihAlkOmNn or a divalent europium-activated nitride phosphor substantially represented by General formula (C): (MIIl-pEup)MIIISiN3, having a reflectance of light emission in a longer wavelength region of visible light than a peak wavelength of 95% or larger, and a method of producing such phosphor; a nitride phosphor and an oxynitride phosphor which emit light efficiently and stably by the light having a wavelength ranging from 430 to 480 nm from a semiconductor light emitting device by means of a light emitting apparatus using such phosphor, and a producing method of such phosphor; and a light emitting apparatus having stable characteristics and realizing high efficiency.
摘要:
A phosphor as a divalent europium-activated oxynitride green light emitting phosphor which is a β-type SiAlON substantially represented by a general formula (A): EuaSibAlcOdNe (where a, b, c, d, and e are numbers satisfying 0.005≦a≦0.4, b+c=12, and d+e=16), and having an average particle size (d1) (determined by an air permeability method) of 9 to 16 μm, a median diameter (50% D) in particle size distribution of 12.5 to 35 μm, 50% D/d1 of 1.4 to 2.2, and an absorptance at 600 nm of not more than 8.0%, and a light emitting apparatus, a BL light source apparatus, and a liquid crystal display device using the same are provided, to provide a light emitting apparatus with a high efficiency and a stable characteristic and a liquid crystal display apparatus using the same by using the β-type SiAlON having controlled dispersibility and improved transparency.
摘要翻译:作为基本上由通式(A)表示的基本上由通式(A)表示的SiAlON的二价铕活化的氮氧化物绿色发光荧光体的荧光体:EuaSibAlcOdNe(其中a,b,c,d和e是满足0.005&nlE的数; a,n = e,0.4,b + c = 12,d + e = 16),平均粒径(d1)(透气度法测定)为9〜16μm,中值粒径(50%D) 粒径分布为12.5〜35μm,50%D / d1为1.4〜2.2,吸收率为600nm以下为8.0%以下,发光装置,BL光源装置以及液晶显示装置 提供了使用它们以提供具有高效率和稳定特性的发光装置,以及使用具有受控分散性和改进的透明度的“SiAlON”的液晶显示装置。
摘要:
A liquid crystal display including a backlight and a filter, the backlight including a light-emitting device having a light-emitting element emitting blue light, and a green phosphor and a red phosphor absorbing a part of primary light emitted from the light-emitting element and emitting first secondary light and second secondary light, respectively, the green phosphor being a β-type SiAlON phosphor containing Eu and Al dissolved in a crystal of a nitride or an oxynitride having a β-type Si3N4 crystal structure, and the filter including filters for colors of red (R), green (G), blue (B) and yellow (Y), respectively, arranged in a plane for subpixels provided in each pixel of the liquid crystal display, which attains excellent color reproducibility (NTSC ratio) and high luminance, can be provided.
摘要:
Provided is a phosphor particle group of divalent europium-activated oxynitride green light emitting phosphor particles each of which is a β-type SiAlON substantially represented by a general formula: EuaSibAlcOdNe, where 0.005≦a≦0.4, b+c=12, d+e=16, wherein 60% or more of the phosphor particle group is composed of the phosphor particles in which a value obtained by dividing a longer particle diameter by a shorter particle diameter is greater than 1.0 and not greater than 3.0. A high-efficiency and stable light emitting apparatus using a β-type SiAlON, which includes a light converter using the phosphor particle group, and a phosphor particle group therefor are also provided.
摘要翻译:本发明提供一种二价铕活化氮氧化物绿色发光荧光体颗粒的荧光体颗粒,其各自为基本上由通式:EuaSibAlcOdNe表示的“SiAlON”,其中0.005≤n1E; a≦̸ 0.4,b + c = 12, d + e = 16,其中,荧光体粒子群的60%以上由荧光体粒子构成,其中通过将更长的粒径除以更短的粒径而获得的值大于1.0且不大于3.0。 还提供了一种使用包含使用荧光体颗粒基团的光转换器和其荧光体粒子群的“SiAlON”的高效稳定的发光装置。
摘要:
A group of phosphor particles for a light-emitting device contains a plurality of types of phosphor particles having different emission peak wavelengths, while phosphor particles of a type having a relatively longer emission peak wavelength have a relatively larger median diameter as compared with phosphor particles of a type having a relatively shorter emission peak wavelength.
摘要:
Provided is a phosphor particle group of divalent europium-activated oxynitride green light emitting phosphor particles each of which is a β-type SiAlON substantially represented by a general formula: EuaSibAlcOdNe, where 0.0055≦a≦0.4, b+c=12, d+e=16, wherein 60% or more of the phosphor particle group is composed of the phosphor particles in which a value obtained by dividing a longer particle diameter by a shorter particle diameter is greater than 1.0 and not greater than 3.0. A high-efficiency and stable light emitting apparatus using a β-type SiAlON, which includes a light converter using the phosphor particle group, and a phosphor particle group therefor are also provided.
摘要翻译:提供了一种二价铕激活的氮氧化物绿色发光荧光体颗粒的荧光体颗粒基团,其各自是基本上由通式:EuaSibAlcOdNe表示的“SiAlON”,其中0.0055和nlE; a≦̸ 0.4,b + c = 12, d + e = 16,其中,荧光体粒子群的60%以上由荧光体粒子构成,其中通过将更长的粒径除以更短的粒径而获得的值大于1.0且不大于3.0。 还提供了一种使用包含使用荧光体颗粒基团的光转换器和其荧光体粒子群的“SiAlON”的高效稳定的发光装置。
摘要:
There are provided a phosphor which is a divalent europium-activated oxynitride phosphor substantially represented by General formula (A): EuaSibAlcOdNe, a divalent europium-activated oxynitride phosphor substantially represented by General formula (B): MIfEugSihAlkOmNn or a divalent europium-activated nitride phosphor substantially represented by General formula (C): (MIIl-pEup)MIIISiN3, having a reflectance of light emission in a longer wavelength region of visible light than a peak wavelength of 95% or larger, and a method of producing such phosphor; a nitride phosphor and an oxynitride phosphor which emit light efficiently and stably by the light having a wavelength ranging from 430 to 480 nm from a semiconductor light emitting device by means of a light emitting apparatus using such phosphor, and a producing method of such phosphor; and a light emitting apparatus having stable characteristics and realizing high efficiency.
摘要翻译:提供了一种基本上由通式(A)表示的二价铕激活的氮氧化物荧光体的荧光体:Eu A a B b Al C a 基本上由通式(B)表示的二价铕激活的氮氧化物荧光体:MI Eu <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 或二价铕激活的氮化物荧光体,其基本上由下式表示: 具有在可见光的较长波长区域中发光的反射率的通式(C):(MII)1 P u> 95%以上的峰值波长,以及这种荧光体的制造方法; 通过使用这种荧光体的发光装置,从半导体发光元件利用具有430〜480nm波长的光有效且稳定地发光的氮化物荧光体和氮氧化物荧光体及其制造方法; 以及具有稳定特性并实现高效率的发光装置。
摘要:
A light emitting apparatus includes: a semiconductor light emitting element capable of emitting light of two wavelength components; and a fluorescent material section, having a fluorescent material contained therein, capable of emitting light, the light being radiated as a result of fluorescence from the fluorescent material when the fluorescent material is excited by the two wavelength components, wherein the two wavelength components and the wavelength component resulting from the fluorescence are adjusted so as to be set at an arbitrary color temperature on a characteristic curve of black-body radiation.