abstract |
PCT No. PCT/DE94/01526 Sec. 371 Date Jun. 13, 1996 Sec. 102(e) Date Jun. 13, 1996 PCT Filed Dec. 22, 1994 PCT Pub. No. WO95/17764 PCT Pub. Date Jun. 29, 1995An incandescent halogen lamp is operated under convection-free conditions. In this way, light yields of about 15 to 20 lm/W with service lives of about 2000 hours can be attained. The important parameters are the bulb dimensions, luminous element dimensions, and fill gas properties. |