Abstract:
A conversion element (3) comprising a ceramic material (31) with a multiplicity of pores (32) provided for at least the partial absorption of at least one primary radiation (52) and for transforming the primary radiation (52) into at least one secondary radiation (53), wherein the conversion element (3) has a density greater than or equal to 97% of the theoretical solid-state density of the ceramic material (31), and the pores (32) in the conversion element (3) have a diameter substantially between 200 nm and 5000 nm.
Abstract:
A plasma display screen comprising a carrier plate, a transparent front plate, a ribbed structure dividing the space between the carrier plate and the front plate into plasma cells, which are filled with a gas, one or more electrodes arrays for generating corona discharges in the plasma cells, and a phosphor layer comprising a blue-emitting phosphor of the general formula (La1-x-yGdx)Si3N5:Cey, where 0
Abstract translation:一种等离子体显示屏,包括承载板,透明前板,将载体板和前板之间的空间分成等离子体单元的肋状结构,其填充有气体,一个或多个电极阵列,用于产生电晕放电 等离子体电池和包含通式(La1-x-yGdx)Si3N5:Cey的蓝色发光荧光体的荧光体层,其中0 <= x <1且0
Abstract:
The invention relates to a light emitting device, especially a LED comprising a SiAION material with a transparency of = 10 % to = 85 % for light in the wavelength range from = 550 nm to = 1000 nm.
Abstract:
An illumination system, comprising a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an europium(III)- activated rare earth metal sesquioxide of general formula (Y Y-x -XE x ) 2-z (EU 1-a -3A a ) z , wherein RE is selected from the group of gadolinium, scandium, and lutetium, A is selected from the group of bismuth, antimony, dysprosium, samarium, thulium, and erbium, 0 = x 1-x -RE x ) 2-z O 3 :( Eu 1-a A a ) Z , wherein RE is selected from the group of gadolinium, scandium, and lutetium, A is selected from the group of dysprosium, samarium, thulium, and erbium, 0 = x
Abstract translation:一种照明系统,包括辐射源和单片陶瓷发光转换器,其包括能够吸收由所述辐射源发射的一部分光并发射与所吸收的光的波长不同的波长的光的至少一种荧光体; 其中所述至少一种荧光体是通式(Y x Y x -X 1 x 2)2-z的铕(III) - 活化的稀土金属倍半氧化物, 其中RE选自钆,钪和镥,A,Ⅳ,Ⅳ,Ⅳ,Ⅳ,Ⅳ,Ⅳ,Ⅳ, 选自铋,锑,镝,钐,ium和铒组,0 = x <1,0.00 = z = 0.2; 并且0 = a
Abstract:
An illumination system, comprising a radiation source (1) and a luminescent material (3,4,5) comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is a yellow red-emitting europium(II)-activated earth alkaline lithium orthosilicate of general formula (Sr1-x-y- zCaxBay)Li2SiO4:Euz wherein 0 = x = l; 0 = y = l; 0.001
Abstract translation:1.一种照明系统,包括辐射源(1)和发光材料(3,4,5),所述发光材料包括至少一种能够吸收由所述辐射源发出的光的一部分的荧光体并且发射波长不同于所吸收的 光; 其中所述至少一种荧光体是通式为(Sr1-x-y-zCaxBay)Li2SiO4:Euz的黄红发射铕(II)活化的碱土原硅酸锂,其中0 = x = 1; 0 = y = 1; 0.001
Abstract:
The invention relates to an illumination system comprising a radiation source and a fluorescent material comprising at least one phosphor capable of absorbing a portion of the light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light; wherein said at least one phosphor is a green-emitting cerium-activated lutetium-aluminum-garnet of general formula (Lu1-x-y-a-bYxGdy)3(Al1-zGaz)5O12:CeaPrb wherein 0
Abstract:
This invention relates to a device for determining the conversion power of conversion element, a method for performing these measurements and a method for producing pcLEDs with essentially the same color point applying said device and said method. The device comprises a light source (5), a sample holder (6) and a detector element (7), wherein the light source (5) illuminates the sample holder (6) with a primary light (41), the sample holder (6) is at least locally transparent for a primary light (41), suitable to mount the multitude of conversion elements (3) capable to partly convert the primary light (41) into a secondary light (42), and comprises suitable prevention means (62, 62a, 62b, 62c, 62d, 62e) to prevent a light guiding of the secondary light (42) from one mounted conversion element (3) through the sample holder (6) to another mounted conversion element (3), and the detector element (7) is suitable to measure the intensities of primary and secondary light (41, 42) for each conversion element (3) separately.
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 thereofand M is a trivalent element chosen of the group of Al, B, Ga, Sc withd1> 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:
An illumination system, comprising a radiation source and a luminescent material comprising a phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light; wherein said phosphor is a europium-activated oxonitridoalumosilicate of general formula AE 1-y-z Ln y Si 3 -xAl x-a B a O 1+x-y N 4-x+y: Eu z , wherein AE is an alkaline earth metal selected from the group of Sr, Ca, Ba, Mg and Zn; Ln is a lanthanide metal selected from the group of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y; B is a trivalent metal selected from the group of boron, gallium and scandium and 0= a 1-y-z Ln y Si 3-x Al x-a B a O 1+x-y N 4-x+y : Euz, wherein AE is an alkaline earth metal selected from the group of Sr, Ca, Ba, Mg and Zn; Ln is a lanthanide metal selected from the group of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y; B is a trivalent metal selected from the group of boron, gallium and scandium and 0=a
Abstract translation:1。一种照明系统,包括辐射源和发光材料,所述发光材料包括磷光体,所述磷光体能够吸收由所述辐射源发射的一部分光并且发射波长不同于所吸收的光的波长的光; 其中所述磷光体是如下通式的铕激活的氧氮硅铝硅酸盐:其中所述磷光体是铕活化的氧氮硅铝硅酸盐,其中所述磷光体是通式AE 1-yz Ln y SUB x 3