LAMINATE SHEET, LIQUID CRYSTAL DISPLAY MODULE, BACKLIGHT UNIT, AND METHOD FOR MANUFACTURING LAMINATE SHEET

WIPO Patent Application WO/2017/014051

A1

The purpose of the present invention is to provide a laminate sheet capable of minimizing luminance unevenness caused by the shape of other optical members arranged on the rear surface while suppressing sparkles caused by the interference with the pixel pitch in a liquid crystal panel. The laminate sheet according to the present invention includes an intermediate layer, a first matte layer laminated onto the front surface of the intermediate layer, and a second matte layer laminated onto the rear surface of the intermediate layer. The 60° glossiness on the rear surface of the second matte layer is 3/2 or more and 10 or less of the 60° glossiness on the front surface of the first matte layer. The 60° glossiness on the front surface of the first matte layer is preferably 5 or more and 20 or less. The 60° glossiness on the rear surface of the second matte layer is preferably 30 or more and 80 or less. The arithmetic average roughness (Ra) on the front surface of the first matte layer is preferably 0.5 μm or more and 1 μm or less. The arithmetic average roughness (Ra) on the rear surface of the second matte layer is preferably 1/5 or more and 9/10 or less of the arithmetic average roughness (Ra) on the front surface of the first matte layer.

OKABE MOTOHIKO (JP)

PCT/JP2016/070045

January 26, 2017

July 06, 2016

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KEIWA INC (JP)

B32B7/023; G02B5/02; B29C48/08; B29C48/305; F21S2/00; F21V3/00; G02B5/30; G02F1/1335; B29L7/00; B29L9/00; F21Y115/10

JP2007179035A	2007-07-12
JP2011150074A	2011-08-04
JP2011123380A	2011-06-23
JP2011128606A	2011-06-30
JPH03101864A	1991-04-26
JP2014164137A	2014-09-08

AMANO Kazunori (JP)

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