| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluorescent lamp having a phosphor coating suitable for general lighting, basing on a vacuum ultraviolet radiation source generating especially a wavelength in the range of about 145 nm-185 nm. SOLUTION: The fluorescent coating contains a mixed phosphate as expressed by general formula (Ln<SB>x</SB>Sc<SB>w</SB>Tb<SB>z</SB>)PO<SB>4</SB>(wherein, Ln is one of or a mixture of La, Y, or Gd, and 0.35≤x≤0.95, 0≤w≤0.2, 0.05≤z≤0.5, w+x+y+z≈1). COPYRIGHT: (C)2005,JPO&NCIPI |
