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Light structure

  • US 7,661,839 B2
  • Filed: 05/01/2007
  • Issued: 02/16/2010
  • Est. Priority Date: 05/01/2007
  • Status: Expired due to Fees
First Claim
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1. An improvement on a light structure, comprisinga light-producing inner tube, the light-producing inner tube having electrical terminals at two ends thereof;

  • andan outer tube, the outer tube being positioned round the light-producing inner tube with the electrical terminals of the light-producing inner tube sticking out;

    the outer tube having first and second portions;

    the outer tube having a light reflecting film on an outer side of the first portion thereof;

    an inner side of the first portion of the outer tube having a rough and lumpy surface;

    the outer tube having fluorescent layers on both inner and outer sides of the second portion thereof.

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