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    • 5. 发明申请
    • FLUORESCENT SUBSTANCE AND A PRODUCTION METHOD THEREFOR
    • 荧光物质及其生产方法
    • US20140048742A1
    • 2014-02-20
    • US13985398
    • 2012-02-06
    • Hyong Sik WonSeong Min KimChan Suk MinChul Soo Yoon
    • Hyong Sik WonSeong Min KimChan Suk MinChul Soo Yoon
    • C09K11/77
    • C09K11/7728C09K11/0883C09K11/7734
    • The fluorescent substance according to one embodiment of the present invention has the following compositional formula (1): [Compositional formula 1] SrySi(6−z)AlzOzN(8−z):Rex. Here, x, y and z are respectively 0.005≦x≦0.05, 0.05≦y≦0.5, 0.001≦z≦0.50, and Re is a rare earth element. As a result, the fluorescent substance according to one embodiment of the present invention can exhibit a short wavelength of between 525 nm and 537 nm when the concentration of strontium is between 0.05 moles and 0.5 moles. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by the addition of barium in a range of between 0.003 moles and 0.125 moles when the concentration of aluminium is high. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by adjusting the oxygen concentration by the addition not only of AlN but also of Al2O3 as an aluminium precursor when the concentration of aluminium is high. Ultimately, since the fluorescent substance according to one embodiment of the present invention can exhibit a short wavelength of between 525 nm and 537 nm, it is possible to prevent dropoff in colour reproduction and the colour rendering index.
    • 根据本发明的一个实施方案的荧光物质具有以下组成式(1):[组成式1] SrySi(6-z)AlzOzN(8-z):Rex。 这里,x,y和z分别为0.005 @ x @ 0.05,0.05 @ y @ 0.5,0.001 @ z @ 0.50,Re为稀土元素。 结果,当锶的浓度在0.05摩尔至0.5摩尔之间时,根据本发明的一个实施方案的荧光物质可以表现出在525nm和537nm之间的短波长。 此外,当铝的浓度高时,通过添加0.003摩尔至0.125摩尔的范围内的钡,荧光物质可以表现出在525nm和537nm之间的短波长。 此外,当铝的浓度高时,通过不仅添加AlN而且通过添加作为铝前体的Al 2 O 3来调节氧浓度,所以荧光物质可以表现出525nm至537nm之间的短波长。 最终,由于根据本发明的一个实施方案的荧光物质可以表现出525nm至537nm之间的短波长,因此可以防止色彩还原和显色指数的降低。
    • 8. 发明申请
    • White light emitting device and light source module for liquid crystal display backlight using the same
    • 用于液晶显示器的白光发光装置和光源模块使用相同
    • US20080180948A1
    • 2008-07-31
    • US12003814
    • 2008-01-02
    • Chul Soo YoonIl Woo ParkJong Rak SohnChang Hoon Kwak
    • Chul Soo YoonIl Woo ParkJong Rak SohnChang Hoon Kwak
    • H01L33/00
    • H01L33/504C09K11/0883C09K11/7728C09K11/7731C09K11/7734H05B33/14Y02B20/181
    • A white light emitting device including: a blue LE chip having a dominant wavelength of 430 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue LED chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram, and the red phosphor includes a phosphor represented by (Sr, Ba, Ca)AlSiN3:Eu and the green phosphor includes a phosphor represented by (Sr, Ba, Ca)2SiO4:Eu.
    • 一种白色发光器件,包括:主要波长为430至455nm的蓝色LE芯片; 配置在蓝色发光二极管芯片周围的红色荧光体,由蓝色发光二极管芯片激发的红色荧光体发射红色光; 以及配置在蓝色发光二极管芯片周围的绿色荧光体,由蓝色LED芯片激发的绿色荧光体发出绿色光,其中,从红色荧光体发出的红色光线具有落在由四个坐标点 0.5448,0.4544),(0.7079,0.22920),(0.6427,0.2905)和(0.4794,0.44633),从绿色荧光体发出的绿光具有落在由四个坐标定义的空间内的色坐标 基于CIE1931色度图,点(0.1270,0.8037),(0.4117,0.5861),(0.4197,0.5316)和(0.2555,0.5030),红色荧光体包括由(Sr,Ba,Ca)AlSiN Eu,绿色荧光体包括由(Sr,Ba,Ca)2 SiO 4:Eu表示的荧光体。
    • 10. 发明授权
    • Fluorescent substance and a production method therefor
    • 荧光物质及其制备方法
    • US09120973B2
    • 2015-09-01
    • US13985398
    • 2012-02-06
    • Hyong Sik WonSeong Min KimChan Suk MinChul Soo Yoon
    • Hyong Sik WonSeong Min KimChan Suk MinChul Soo Yoon
    • C09K11/08C09K11/66C09K11/77
    • C09K11/7728C09K11/0883C09K11/7734
    • The fluorescent substance according to one embodiment of the present invention has the following compositional formula (1): [Compositional formula 1] SrySi(6−z)AlzOzN(8−z):Rex. Here, x, y and z are respectively 0.005≦x≦0.05, 0.05≦y≦0.5, 0.001≦z≦0.50, and Re is a rare earth element. As a result, the fluorescent substance according to one embodiment of the present invention can exhibit a short wavelength of between 525 nm and 537 nm when the concentration of strontium is between 0.05 moles and 0.5 moles. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by the addition of barium in a range of between 0.003 moles and 0.125 moles when the concentration of aluminium is high. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by adjusting the oxygen concentration by the addition not only of AlN but also of Al2O3 as an aluminium precursor when the concentration of aluminium is high. Ultimately, since the fluorescent substance according to one embodiment of the present invention can exhibit a short wavelength of between 525 nm and 537 nm, it is possible to prevent dropoff in colour reproduction and the colour rendering index.
    • 根据本发明的一个实施方案的荧光物质具有以下组成式(1):[组成式1] SrySi(6-z)AlzOzN(8-z):Rex。 这里,x,y和z分别为0.005& nlE; x< ll; 0.05,0.05≦̸ y≦̸ 0.5,0.001≦̸ z≦̸ 0.50,Re为稀土元素。 结果,当锶的浓度在0.05摩尔至0.5摩尔之间时,根据本发明的一个实施方案的荧光物质可以表现出在525nm和537nm之间的短波长。 此外,当铝的浓度高时,通过添加0.003摩尔至0.125摩尔的范围内的钡,荧光物质可以表现出在525nm和537nm之间的短波长。 此外,当铝的浓度高时,通过不仅添加AlN而且通过添加作为铝前体的Al 2 O 3来调节氧浓度,所以荧光物质可以表现出525nm至537nm之间的短波长。 最终,由于根据本发明的一个实施方案的荧光物质可以表现出525nm至537nm之间的短波长,因此可以防止色彩还原和显色指数的降低。