Radiation detection material and radiation detection device

    公开(公告)号:US11300693B2

    公开(公告)日:2022-04-12

    申请号:US17014291

    申请日:2020-09-08

    IPC分类号: G01T1/20 C09K11/77 H01L27/146

    摘要: The embodiments provide a radiation detection material emitting fluorescence with high intensity and short lifetime, and also provide a radiation detection device. The polycrystalline radiation detection material of the embodiment is represented by the following formula (1) TlM1-x-yRxX3-z  (1). In the formula, M is at least one metal element selected form the group consisting of Ca, Sr, Ba and Mg; R is at least one luminescence center element selected form the group consisting of Ce, Pr, Yb and Nd; X is at least one halogen element selected form the group consisting of Cl, Br and F; and x, y and z are numbers satisfying the conditions of 0≤x≤0.5, −0.1≤y≤0.1, and −0.5≤z≤1, respectively.

    WHITE LIGHT-EMITTING DEVICE
    17.
    发明申请
    WHITE LIGHT-EMITTING DEVICE 审中-公开
    白色发光装置

    公开(公告)号:US20140175971A1

    公开(公告)日:2014-06-26

    申请号:US14134293

    申请日:2013-12-19

    IPC分类号: F21K99/00

    摘要: The embodiment of the present disclosure provides a light-emitting device capable of both realizing neutral white color and having high luminous efficiency. The device has a blue-light emitting semi-conductor element and a luminescent layer containing a mixture of fluorescent substances. The mixture contains first and second phosphors. The first phosphor is activated with Ce and emits luminescence with a peak wavelength of 540 to 560 nm, and the second phosphor emits luminescence with a peak wavelength of 580 to 610 nm and is represented by the following formula (2): (Sr1-x2Eux2) Sia2Alb2Oc2Nd2Ce2   (2).

    摘要翻译: 本公开的实施例提供一种能够实现中性白色并具有高发光效率的发光装置。 该装置具有蓝色发光半导体元件和含有荧光物质混合物的发光层。 该混合物包含第一和第二荧光体。 第一荧光体用Ce活化并发射峰值波长为540〜560nm的发光,第二荧光体发射峰值波长为580〜610nm的发光,由下式(2)表示:(Sr1-x2Eux2 )Sia2Alb2Oc2Nd2Ce2(2)。

    RED LIGHT-EMITTING FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME
    18.
    发明申请
    RED LIGHT-EMITTING FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME 有权
    红色发光荧光物质和使用其的发光装置

    公开(公告)号:US20130214305A1

    公开(公告)日:2013-08-22

    申请号:US13775597

    申请日:2013-02-25

    IPC分类号: C09K11/77 H01L27/15

    摘要: The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1): (M1-xECx)aM1bAlOcNd   (1). In the formula (1), M is an element selected from the group consisting of IA group elements, IIA group elements, IIIA group elements, IIIB group elements, rare earth elements and IVA group elements; EC is an element selected from the group consisting of Eu, Ce, Mn, Tb, Yb, Dy, Sm, Tm, Pr, Nd, Pm, Ho, Er, Cr, Sn, Cu, Zn, As, Ag, Cd, Sb, Au, Hg, TI, Pb, Bi and Fe; M1 is different from M and is selected from the group consisting of tetravalent elements; and x, a, b, c and d are numbers satisfying the conditions of 0

    摘要翻译: 本实施方案提供由下式(1)表示的红色发光荧光物质:(M1-xECx)aM1bAlOcNd(1)。 在式(1)中,M是选自IA族元素,IIA族元素,IIIA族元素,IIIB族元素,稀土元素和IVA族元素的元素; EC是选自Eu,Ce,Mn,Tb,Yb,Dy,Sm,Tm,Pr,Nd,Pm,Ho,Er,Cr,Sn,Cu,Zn,As,Ag,Cd, Sb,Au,Hg,TI,Pb,Bi和Fe; M1与M不同,选自四价元素; x,a,b,c和d分别是满足0