公开(公告)号：US09671086B2

公开(公告)日：2017-06-06

申请号：US14443053

申请日：2013-12-20

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Ronghui Liu ,  Yuanhong Liu ,  Huaqiang He ,  Xiaowei Huang ,  Wei Gao ,  Tao He ,  Yunsheng Hu ,  Weidong Zhuang

IPC: C09K11/00 ,  F21V9/16 ,  C09K11/08 ,  C09K11/77 ,  H05B33/14 ,  F21K9/64 ,  H01L33/50 ,  F21Y115/10

CPC classification number: F21V9/16 ,  C09K11/0883 ,  C09K11/7734 ,  C09K11/7792 ,  F21K9/64 ,  F21V9/30 ,  F21Y2115/10 ,  H01L33/502 ,  H05B33/14 ,  Y02B20/181

Abstract: An oxynitride orange-red fluorescent substance and a light-emitting film or sheet and a light-emitting device comprising the same are disclosed. The chemical formula of the oxynitride orange-red fluorescent substance is MmAaSixNyOz:dR in which the element M is one or more of the elements selected from Ca, Sr and Ba, the element A is Al or a mixture of Al with one or more of the elements selected from Ga, La, Sc and Y, the element R is one or more of the elements selected from Ce, Eu and Mn, 0.8≦m≦1.2, 1

公开(公告)号：US11098249B2

公开(公告)日：2021-08-24

申请号：US16313883

申请日：2017-06-30

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Ronghui Liu ,  Weidong Zhuang ,  Fu Du ,  Yuanhong Liu ,  Wei Gao ,  Xia Zhang ,  Huibing Xu ,  Chunpei Yan ,  Xiaowei Zhang

IPC: C09K11/77 ,  H01L33/50 ,  F21K9/64 ,  C09K11/08

Abstract: Phosphor, a preparation method for the phosphor, and a light emitting device having the phosphor. The phosphor comprises an inorganic compound which at least comprises an element M, an element A, an element D, and an element R; the element M is one or two elements selected from the group consisting of Lu, La, Pr, Nd, Sm, Y, Tb, and Gd and must comprise Lu; the element A is Si and/or Ge; the element D is one or two elements selected from the group consisting of O, N, and F and must comprise N; the element R is Ce and/or Dy. Since the ionic radius of Lu3+ is smaller than that of La3+, when the inorganic compound comprises element Lu, the original ligand site would be contracted. In order to reduce lattice distortion due to the ligand site contraction, the adjacent ligand site expands, and the photochromic property is adjusted.

公开(公告)号：US11066600B2

公开(公告)日：2021-07-20

申请号：US16313894

申请日：2017-06-30

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Ronghui Liu ,  Weidong Zhuang ,  Fu Du ,  Yuanhong Liu ,  Wei Gao ,  Xia Zhang ,  Huibing Xu ,  Chunpei Yan ,  Xiaowei Zhang

IPC: C09K11/77 ,  C09K11/08 ,  H01L33/50

Abstract: A lutetium nitride-based phosphor and a light emitting device comprising the same, wherein the lutetium nitride-based phosphor comprises an inorganic compound, and the composition of the inorganic compound comprises at least an M element, an A element, a D element and an R element; the M element is one or two elements selected from a group consisting of Lu, La, Pr, Nd, Sm, Y, Tb and Gd, and necessarily comprises Lu; the A element is Si and/or Ge; the D element is one or two elements selected from a group consisting of O, N and F, and necessarily comprises N; the R element is Ce and/or Dy, and the atomic molar ratio of the Lu element in the M element is greater than 50%. Because the ion radius of Lu3+ is smaller than the ion radius of La3+, the light color performance thereof can be flexibly adjusted according to needs.

公开(公告)号：US20170218267A1

公开(公告)日：2017-08-03

申请号：US15321956

申请日：2015-08-03

Applicant: GRIREM ADVANCED MATERIALS CO., LTD. ,  GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS

Inventor： Weidong Zhuang ,  Jiyou Zhong ,  Ronghui Liu ,  Yanfeng Li ,  Yuanhong Liu ,  Huibing Xu ,  Lei Chen

IPC: C09K11/77 ,  C30B29/22 ,  C30B1/10 ,  H01L33/50

CPC classification number: C09K11/7792 ,  C09K11/7718 ,  C09K11/7721 ,  C09K11/7769 ,  C09K11/7774 ,  C30B1/10 ,  C30B29/22 ,  H01L33/502 ,  H01L33/505

Abstract: The application relates to fluorescent powder which has a garnet structure and can be effectively excited by ultraviolet light or blue light, a method for preparing the fluorescent powder, and a light emitting device, an image display device and an illumination device comprising the fluorescent powder. A chemical formula of the fluorescent powder is expressed as: (M1a-xM2x)ZrbM3cOd, where M1 is one or two elements selected from Sr, Ca, La, Y, Lu and Gd, Ca or Sr being necessary; M2 is one or two elements selected from Ce, Pr, Sm, Eu, Tb and Dy, Ce being necessary; M3 is at least one element selected from Ga, Si, and Ge, Ga being necessary; and 2.8≦a≦3.2, 1.9≦b≦2.1, 2.8≦c≦3.2, 11.8≦d≦12.2, and 0.002≦x≦0.6.