摘要 |
<p>This invention provides a scattering preventive ring-type fluorescent lamp which has simplified a scattering preventive tube mounting step and has an improved appearance. The scattering preventive ring-type fluorescent lamp is characterized by comprising a ring shaped glass tube (1), a phosphor (4) provided on the inner surface of the glass tube (1), a pair of filaments (2a, 2b) provided on both ends of the glass tube (1), mercury sealed hermetically into the glass tube (1), a rare gas sealed hermetically into the glass tube (1), and a scattering preventive tube (5) provided around the glass tube (1) and having a ring outside thickness of 0.07 mm to 0.11 mm.</p> |
申请人 |
OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG;SUZUKI, RYO;KIKKAWA, TAKASHI;AKUTA, TAKAHIRO;MATSUI, RYOSUKE;MURAMATSU, TERUTAKA |
发明人 |
SUZUKI, RYO;KIKKAWA, TAKASHI;AKUTA, TAKAHIRO;MATSUI, RYOSUKE;MURAMATSU, TERUTAKA |