发明名称 |
Fluorescent lamp |
摘要 |
A fluorescent lamp which comprises a vacuum-tight envelope provided with electrodes between which discharge takes place during the operation of said fluorescent lamp. The envelope is coated on the inside with a phosphor composition layer comprising: a first light-emitting material having an emission spectrum with a peak in the wavelength range between 465 and 490 nm, or preferably between 480 and 490 nm, and a half width ranging from 30 to 120 nm, or preferably from 70 to 100 nm; a second light-emitting material having an emission spectrum with a peak in the wavelength range between 550 and 580 nm, or preferably between 560 and 570 nm, and a smaller half width than 110 nm; a third light-emitting material having an emission spectrum with a peak in the wavelength range between 600 and 620 nm, or preferably between 610 and 620 nm; and a fourth light-emitting material having an emission spectrum with a peak in the wavelength range between 480 and 500 nm, or preferably between 480 and 490 nm, thereby ensuring high luminous flux and satisfactory color rendering.
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申请公布号 |
US4199707(A) |
申请公布日期 |
1980.04.22 |
申请号 |
US19780938096 |
申请日期 |
1978.08.29 |
申请人 |
TOKYO SHIBAURA ELECTRIC CO LTD |
发明人 |
AKIYAMA, JUNETSU;FUCHIDA, TAKAYOSHI;KOBUYA, TOMOHIKO;KOHMOTO, KOHTARO;NAGAFUCHI, KAZUNORI;TAYA, AKIRA |
分类号 |
C09K11/08;C09K11/76;C09K11/77;H01J61/44;(IPC1-7):H01J61/44 |
主分类号 |
C09K11/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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