Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qinglong HaofiledCriticalQinglong Hao
Publication of MY129754ApublicationCriticalpatent/MY129754A/en
THE PRESENT INVENTION PROVIDES A LUMINOUS GEM MADE BY ARTIFICIAL SYNTHESIS AND THE PROCESS THE PREPARATION THEREOF.THE LUMINOUS GEM IS MAINLY COMPOSED OF PRIMARY PHASE A AND SECONDRY PHASE B,THE PRIMARY PHASE A HAS THE GENERAL FORMULA :(M,RE)1-x(A12-aB)2O4-x........(1)WHEREIN,M IS AT LEAST ONE OR MORE ALKALINE EARTH METAL SELECTED FROM Mg,Ca,Sr AND Ba;RE IS A LEAST ONE OR MORE RARE EARTH ELEMENT SELECTED FROM La,Ce,Pr,Nd,Sm,Gd,Tb,Dy,Eu,Ho,Er,Tm,Yb,Lu;X IS FROM 0.03 TO 0.15,A IS FROM 0.001-0.25;THE SAID SECONDRY B PHASE HAS THE GENERAL FORMULA :(M,RE)4-y(AI14-bBb)14O25-y.......(2),WHERE M AND RE HAS THE SAME DEFINISION AS THE ABOVE FORMULA (1);yIS IN THE RANGE OF FROM 0.05 TO 0.50,IS FROM 0.04 TO 1.50. THE LUMINOUS GEM OF THE PRESENT INVENTION HAS HIGH INITIAL BRIGHTNESS,LONG AFTER GLOW TIME,AND STABLE CHEMICAL STRUCTURE.
MYPI200143112001-07-022001-09-13Artificial synthesis luminous gem and process for the synthesizing thereof
MY129754A
(en)
Process for producing inorganic compound, fluorescent material, fluorescent-material-containing composition, luminescent device, illuminator, and image display
Phosphor and method for producing the same, crystalline silicon nitride and method for producing the same, phosphor-containing composition, light-emitting device using the phosphor, image display device, and illuminating device