Title:
STAINLESS STEEL FOIL FOR A FLEXIBLE DISPLAY
Document Type and Number:
WIPO Patent Application WO/2009/139495
Kind Code:
A1
Abstract:
Provided is a stainless steel foil for a flexible display, said foil having a highly smooth surface. The stainless steel foil can be used to manufacture a TFT substrate for a display, said substrate having excellent shape restoration characteristics after being rolled and bent. The stainless steel foil is characterized by having a thickness between 20μm and 200μm, a surface roughness (Ra) of no more than 50nm, and having shape restoration characteristics such that the distortion angle of the foil is no more than 10° after being wrapped around a cylinder with a diameter of 30mm.
Inventors:
YAMADA NORIKO (JP)
OGURA TOYOSHI (JP)
KUBO YUJI (JP)
NAGASAKI SHUJI (JP)
OGURA TOYOSHI (JP)
KUBO YUJI (JP)
NAGASAKI SHUJI (JP)
Application Number:
PCT/JP2009/059236
Publication Date:
November 19, 2009
Filing Date:
May 13, 2009
Export Citation:
Assignee:
NIPPON STEEL MATERIALS CO LTD (JP)
YAMADA NORIKO (JP)
OGURA TOYOSHI (JP)
KUBO YUJI (JP)
NAGASAKI SHUJI (JP)
YAMADA NORIKO (JP)
OGURA TOYOSHI (JP)
KUBO YUJI (JP)
NAGASAKI SHUJI (JP)
International Classes:
B21B1/40; B21B3/02; C22C38/00; G09F9/30; H01L51/50; H05B33/02; C22C38/28
Foreign References:
| JP2003185813A | 2003-07-03 | |||
| JPH09179106A | 1997-07-11 | |||
| JP2004335853A | 2004-11-25 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (Toranomon 37 Mori Bldg.5-1, Toranomon 3-chome, Minato-k, Tokyo 23, JP)
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