Phosphor Materials
Zinc Sulfide (ZnS) powder is the core phosphor product that ProTech Materials offers. We also focus on phosphors for applications in information display market. ProTech Materials supplies some of the key materials required for display applications, such as indium tin oxide (ITO), substitute materials for ITO, as well as phosphor materials.
Phosphor Catagory
- Phosphors for plasma displays (PDP)
- Phosphors for cold cathode fluorescent lamps (CCFL)
- Phosphors for projection TV (PVT)
- Phosphor for Light Emit Diode (LED)
- Phosphors for black and white TVs
- Phosphors for Monochrome Display Tubes
- Phosphors for flat tubes
Product Applications and Parameters
- Phosphors for plasma displays
Phosphors |
Color of Emission |
Main Application |
|
(Y,Gd)BO3: Eu |
Red |
Plasma display |
ZnSiO4: Mn |
Green |
BaMgAl10O17: Eu |
Blue |
- Phosphors for Cold Cathode Fluorescent Lamps
Phosphors |
Color of Emission |
Main Application |
|
Y2O3: Eu |
Red |
Cold Cathode Fluorescent Lamps |
LaPO4: CeTb |
Green |
BaMgAl10O17: Eu |
Blue |
- Phosphors for Projection TV
Phosphors |
Color of Emission |
Main Application |
|
Y2O3: Eu |
Red |
Projection TV |
Y2SiO5: Tb |
Green |
Y3Al5O12: Tb |
Greem |
ZnS: Ag |
Blue |
- Phosphors for Light Emit Diode
Phosphor |
Emission Color |
Excitation Wavelength (nm) |
Emission Wavelength (nm) |
Main Application |
YAG:Ce |
Yellow |
465 |
525 |
Blue LED |
|
YAG:Ce phosphor SEM image
|
- Phosphors for Black and White TV
Phosphors |
Color of Emission |
Main Application |
|
(Zn,Cd)S: Ag +ZnS:Ag |
White |
W/B TV |
ZnS:Ag,Cl+
ZnS:Cu,Au,Al+
Y2O2S:Eu
|
White |
ZnS:Cu,Cl |
Green |
- Phosphors for Monochrome Display Tubes
|
Color of Emission |
Main Application |
|
InBO3:Eu |
Red |
Monochrome Display |
InBO3:Tb |
Green |
 |
 |
InBO3:Eu SEM |
|
Phosphors |
Color of Emission |
Main Application |
|
Y2O2S:Tb |
White |
Flat Tubes |
Y2O2S:Tb |
Blue |
|
