Abstract

+, and combinations thereof; and a, b, c, x, y, z, and δ are molar coefficients.

IPC Classes  ?

• H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
• C09K 11/61 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
• C09K 11/79 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing silicon

Abstract

5; Ln is an element or a combination of elements selected from the group consisting of Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn and Pb; Lv is an element or a combination of elements selected from the group consisting of Cl, F, Br, I and S; Lm is an element or a combination of elements selected from the group consisting of Li, Na and K.

IPC Classes  ?

• C09K 11/59 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing silicon
• C09K 11/63 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing boron
• C09K 11/73 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus also containing halogen, e.g. halophosphates also containing alkaline earth metals
• C09K 11/55 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing beryllium, magnesium, alkali metals or alkaline earth metals
• C09K 11/54 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing zinc or cadmium

Abstract

A silicate-containing luminescent material which can be excited by the light source ranging from UV to green region, especially useful for white and multi-colour light-emitting device and its making method are disclosed. The luminescent material can emit the light from blue to red, and its common formula is aMO•bM'O•SiO2•cR: xEu• yLn•z Lv•&dgr;Lm, wherein, M is one or more kinds of elements selected from Sr, Ca, Ba and Zn; M' is one or more kinds of elements selected from Mg, Cd and Be; R is one or two components selected from B2O3 and P2O5; Ln is one or more kinds of elements selected from Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn and Pb; Lv is one or more kinds of elements selected from Cl, F, Br, I, S; Lm is one or more kinds of elements selected from Li, Na and K.

IPC Classes  ?

• C09K 11/79 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing silicon
• H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof

Abstract

Long-afterglow luminescent material is represented by the formula aMO.bM’(S&bgr;Se1-&bgr;).cAl2O3.dB2O3.eP2O5:xEu.yLn, wherein M is one or more elements selected from Sr, Ca, Ba, and Mg, M’ is one or more elements selected from Sr, Ca, and Ba, Ln is one or more elements selected from Nd, Dy, Tm, La, Ce, and Pr, a, b, c, d, e, x, y is molar number respectively, 0.5ឬaឬ6.0, 0.0001≤b≤2.0, 0.5≤c≤9.0, 0≤d ≤1.0, 0≤e≤1.0, 0.00001≤x≤0.25, 0.00001≤y≤0.3, 0≤&bgr;≤1.0, wherein 0.5ឬ(a+b) ≤6.0, 0≤(d+e) ≤1.0. The preparation method is solid phase reaction at high temperature by firstly oxidation and then reduction.

IPC Classes  ?

• C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials

Abstract

5: xEu.yLn, wherein M is/are selected from Sr, Ca, Ba, and Mg, and any combinations thereof; M′ is/are selected from Sr, Ca, and Ba, and any combinations thereof; Ln is/are selected from Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, and Sm, and any combinations thereof; a, b, c, d, e, x and y are mole ratios, wherein 0.5

IPC Classes  ?

• C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
• C09K 11/55 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing beryllium, magnesium, alkali metals or alkaline earth metals
• C09K 11/56 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing sulfur
• C09K 11/64 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing aluminium
• C09K 11/63 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing boron
• C09K 11/71 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus also containing alkaline earth metals