Glass substrate for flat panel display and production method therefor

Glass substrate for flat panel display and production method therefor

  • CN 103,204,630 A
  • Filed: 06/29/2012
  • Published: 07/17/2013
  • Est. Priority Date: 07/01/2011
  • Status: Active Grant
First Claim
Patent Images

1. p-SiTFT flat-panel screens glass substrate, it is formed by following glass, and implement warming and cooling rate be 10 ℃

  • /min and in 550 ℃

    after keeping 2 hours thermal treatment down be below the 75ppm by the represented percent thermal shrinkage of following formula,(formula)Percent thermal shrinkage (ppm)={ length of the glass before the shrinkage/thermal treatment of the glass before and after the thermal treatment } * 10 6, This glass contains;

    SiO 252~

    78 quality %, Al 2O 33~

    25 quality %, B 2O 33~

    15 quality %, RO3~

    20 quality %,R 2O0.01~

    0.8 quality %, Sb 2O 30~

    0.3 quality %, And this glass does not contain As in fact 2O 3, wherein, RO is the total amount of MgO, CaO, SrO and BaO, R 2O is Li 2O, Na 2O and K 2The total amount of O.

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