Browsing by Author "CHEN Teng-Ming"

Now showing 1 - 3 of 3

Phosphors and Light-Emitting Devices Using the Same
(2012-06-14)
CHEN Teng-Ming
;
Kuo Te-Wen
The present invention relates to novel phosphors, which are represented by a formula of (A1-xMx)8D12O24S2, wherein x, A, M and D are defined the same as the specification. In addition, the present invention further provides a light-emitting device using the above novel phosphors.
Yellow Fluorosulfide Phosphors for Light-Emitting Diode and Preparation Method Thereof
(2012-06-28)
CHEN Teng-Ming
;
Wu Yun-Chen
A novel yellow phosphor of a fluorosulfide having a chemical formula of (A1-x-yCexBy)2Ce1-zSr2F4S2 and a tetragonal crystal phase is disclosed, wherein A and B are different rare earth metals other than Ce, the values of x, y, z are 0
Yellow Phosphor Having Oxyapatite Structure, Preparation Method and White Light-Emitting Diode Thereof
(2012-06-21)
CHEN Teng-Ming
;
HUANG Chien-Hao
A yellow phosphor having oxyapatite structure, preparation method and white light-emitting diode thereof are disclosed. The yellow phosphor has a chemical formula of (A1−xEux)8−yB2+y(PO4)6−y(SiO4)y(O1−zSz)2, wherein A and Eu are divalent metal ions, B is a trivalent metal ion, 0