Title:
LIGHT-REFLECTIVE FILM AND EDGE LIGHT-TYPE BACKLIGHT
Document Type and Number:
WIPO Patent Application WO/2014/196534
Kind Code:
A1
Abstract:
A light-reflective film suitable particularly for a reflective sheet used in an edge light-type backlight and which fulfills (i) to (iv). (i) The film comprises at least two laminated layers. (ii) The difference in surface roughness (SRa) between one surface and the other surface is at least 0.5 µm. (iii) A value obtained by dividing the surface roughness (SRa) of one surface by the surface roughness (SRa) of the other surface is at least 6.0. (iv) The thickness (T (µm)) of the entire film and the bending rigidity (S (mN·m)) fulfills the formula 1 ≤ S/T × 1,000 ≤ 25.
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Inventors:
KAWATA YUJI (JP)
WAKAHARA RYUICHI (JP)
TANAKA SHOTARO (JP)
WAKAHARA RYUICHI (JP)
TANAKA SHOTARO (JP)
Application Number:
PCT/JP2014/064752
Publication Date:
December 11, 2014
Filing Date:
June 03, 2014
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
G02B5/08; B32B7/02; F21S2/00; F21V7/00; F21V7/04; F21Y101/02
Foreign References:
| JP2012135952A | 2012-07-19 | |||
| JP2000082313A | 2000-03-21 | |||
| JP2003092018A | 2003-03-28 | |||
| JP2008512719A | 2008-04-24 | |||
| JP2010230804A | 2010-10-14 |
Other References:
See also references of EP 3006199A4
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
Toshimitsu Ban (JP)
Toshimitsu Ban (JP)
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