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Compact self-ballasted fluorescent lamp with improved rising characteristics

  • US 20040232815A1
  • Filed: 02/25/2004
  • Published: 11/25/2004
  • Est. Priority Date: 02/28/2003
  • Status: Active Grant
First Claim
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1. A compact self-ballasted fluorescent lamp, comprising:

  • an arc tube including a glass tube at least partially bent, and electrodes sealed at both ends of the glass tube, each electrode including a filament coil; and

    a holder having a pair of insertion openings formed therein, and holding the arc tube by fixing the ends of the glass tube inserted through the insertion openings, wherein the ends of the glass tube are inserted to such positions that enable each filament coil to be positioned within the holder, and a minimum distance L1, in an insertion direction of the ends of the glass tube, between each filament coil and an edge of corresponding one of the insertion openings is in a range of 0 to 10 mm inclusive.

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