发明名称 |
Low-pressure mercury vapour discharge lamp for suntanning purposes. |
摘要 |
<p>Low-pressure mercury vapour discharge lamp for suntanning purposes comprising a tubular discharge vessel which is provided on the inside with a first luminescent layer comprising a first luminescent material which emits mainly UVA and with a second luminescent layer which comprises a second luminescent material which emits mainly UVA, the two luminescent materials also showing mutually different UVB emission contents. At least one of the two luminescent layers extends over only part of the circular circumference of the discharge vessel with the object of obtaining different quantities of UVB radiation emission in different transverse directions of the lamp. <IMAGE></p> |
申请公布号 |
EP0448170(A1) |
申请公布日期 |
1991.09.25 |
申请号 |
EP19910200582 |
申请日期 |
1991.03.18 |
申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
BAATEN, JOHANNES PETRUS MARIA;VERMEULEN, PAULUS ALBERTUS MARIA |
分类号 |
C09K11/66;C09K11/77;H01J61/48 |
主分类号 |
C09K11/66 |
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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