Abstract
In order to improve the measurement precision of relative quantum efficiency of the phosphors in 120-300 nm, the surface diffuse reflection intensity and the excitation light total intensity of phosphors were measured, and the difference between the two values was the real absorbed intensity. The total excitation intensity was obtained by calibrating a diffuser. Thus relative quantum efficiency precision of phosphors for Plasma Display Plane(PDP) in UV VUV ranging from 120 nm to 300 nm was improved. Experimental result shows that the measurement precision is below 1%, and the comparative fine excitation spectral curve is obtained, the spectral resolution is 1 nm. At last, excitation spectra of blue phosphors (BaMgAl10O17:Eu) and three kinds of green phosphors (LaPO4:Tb, LaPO4:CeTb, YPO4:Tb) were measured.
Original language | English |
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Pages (from-to) | 59-63 |
Number of pages | 5 |
Journal | Guangxue Jingmi Gongcheng/Optics and Precision Engineering |
Volume | 16 |
Issue number | 1 |
State | Published - Jan 2008 |
Scopus Subject Areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
Keywords
- Phosphor
- Plasma Display Plane(PDP)
- Relative luminance
- VUV excitation spectrum