Optical reflector and surface light source device

Optical reflector and surface light source device

  • CN 1,791,811 A
  • Filed: 05/21/2004
  • Published: 06/21/2006
  • Est. Priority Date: 05/21/2003
  • Status: Active Grant
First Claim
Patent Images

1. light reflector, it is formed by the white polyolefin film;

  • Described white polyolefin film contains polyolefin resin and filler, at least be stretched along 1 direction of principal axis, the area stretching ratio is 1.3 times~

    80 times, and full light reflectance is more than or equal to 95%, size variation rate after leaving standstill 300 hours under 70 ℃

    is smaller or equal to 1.5%, and the fusing initial temperature is more than or equal to 70 ℃

    .

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