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    • 5. 发明授权
    • Laser projection system based on a luminescent screen
    • 基于荧光屏的激光投影系统
    • US08147067B2
    • 2012-04-03
    • US12089085
    • 2006-09-26
    • Ulrich WeichmannPeter SchmidtGero Heusler
    • Ulrich WeichmannPeter SchmidtGero Heusler
    • G03B21/00G02F1/00
    • G03B21/60G02F2203/12H04N5/7416H04N9/3129
    • A laser projection system includes at least one laser light source, a projection screen and a spatial light modulator for projecting a laser beam of the laser light source to form an image on the projection screen. The projection screen includes a luminescent layer which upon excitation by the laser beam emits blue light. The luminescent layer contains MSi6−aAlaN8−aOx+a:Eu2+ (with M=Sr, Ba,; 0≦x≦1; 0≦a≦1) as a luminescent material. With this material laser light of a laser diode emitting in the wavelength region of 405 nm can be converted to blue light of 450 nm with high efficiency. The proposed projection system, therefore, is suitable for RGB projection using laser diodes as laser light sources.
    • 激光投影系统包括至少一个激光源,投影屏幕和用于投射激光源的激光束以在投影屏幕上形成图像的空间光调制器。 投影屏幕包括发光层,在激光束激发时发出蓝光。 发光层含有作为发光材料的MSi6-aAlaN8-aOx + a:Eu2 +(其中M = Sr,Ba,O和nlE; x和nlE; 1; 0≦̸ a≦̸ 1)。 利用在405nm的波长区域发射的激光二极管的这种材料激光可以高效率地转换成450nm的蓝色光。 因此,所提出的投影系统适用于使用激光二极管作为激光光源的RGB投影。
    • 7. 发明申请
    • Wavelength Conversion Layers With Embedded Crystallites
    • 波长转换层与嵌入式微晶
    • US20080094691A1
    • 2008-04-24
    • US11722812
    • 2005-12-19
    • Holger MonchGero Heusler
    • Holger MonchGero Heusler
    • G02F1/35
    • C09K11/7772C03C14/006C03C17/3411C03C2214/16C09K11/7773F21K9/64H01L33/502H01S5/06
    • The present invention is directed to a wavelength conversion layer (1) with a matrix layer (2) comprising embedded rare-earth-ion-doped micro-crystallites (3) and/or rare-earth-ion-doped amorphous particles, wherein said rare-earth-ion-doped micro crystallites and/or rare-earth-ion-doped amorphous particles are doped with at least one of the lanthanides, and wherein said rare-earth-ion-doped micro-crystallites and/or said doped amorphous particles have a mean diameter d50 of 10 nm to 500 müm, and wherein the matrix layer, is transparent, whereby the refractive indices of said rare-earth-ion-doped micro-crystallites and/or said rare-earth-ion-doped amorphous particles match the refractive indices of the matrix layer with an index fifference delta n such as: 0≦delta n≦0.1, for at least one wavelength in the range of 400 nm to 1200 nm.
    • 本发明涉及一种具有基质层(2)的波长转换层(1),该基质层包括掺杂的稀土离子掺杂微晶(3)和/或稀土离子掺杂的无定形颗粒,其中所述 稀土离子掺杂的微晶和/或稀土离子掺杂的无定形颗粒掺杂有至少一种镧系元素,并且其中所述稀土离子掺杂的微晶和/或所述掺杂的非晶体 颗粒具有10nm至500μm的平均直径d 50 N,并且其中所述基质层是透明的,由此所述稀土离子掺杂微晶的折射率和/或所述 对于400nm至1200nm范围内的至少一个波长,稀土离子掺杂的无定形颗粒与矩阵层的折射率与索引倍数Δn匹配,例如:0 <= n n = 0.1。
    • 10. 发明授权
    • Wavelength conversion layers with embedded crystallites
    • 带嵌入微晶的波长转换层
    • US07577318B2
    • 2009-08-18
    • US11722812
    • 2005-12-19
    • Holger MönchGero Heusler
    • Holger MönchGero Heusler
    • G02F1/23G02F1/35
    • C09K11/7772C03C14/006C03C17/3411C03C2214/16C09K11/7773F21K9/64H01L33/502H01S5/06
    • The present invention is directed to a wavelength conversion layer (1) with a matrix layer (2) comprising embedded rare-earth-ion-doped micro-crystallites (3) and/or rare-earth-ion-doped amorphous particles, wherein said rare-earth-ion-doped micro crystallites and/or rare-earth-ion-doped amorphous particles are doped with at least one of the lanthanides, and wherein said rare-earth-ion-doped micro-crystallites and/or said doped amorphous particles have a mean diameter d50 of 10 nm to 500 müm, and wherein the matrix layer, is transparent, whereby the refractive indices of said rare-earth-ion-doped micro-crystallites and/or said rare-earth-ion-doped amorphous particles match the refractive indices of the matrix layer with an index fifference delta n such as: 0
    • 本发明涉及一种具有基质层(2)的波长转换层(1),该基质层包括掺杂的稀土离子掺杂微晶(3)和/或稀土离子掺杂的无定形颗粒,其中所述 稀土离子掺杂的微晶和/或稀土离子掺杂的无定形颗粒掺杂有至少一种镧系元素,并且其中所述稀土离子掺杂的微晶和/或所述掺杂的非晶体 颗粒的平均直径d50为10nm至500μm,并且其中基质层是透明的,由此所述稀土离子掺杂的微晶和/或所述稀土离子掺杂的非晶体的折射率 对于400nm至1200nm范围内的至少一个波长,颗粒与基准层的折射率与索引倍数Δn匹配,例如:0 <_达尔n <_0.1。