Title:
REFLECTING SHEET, REFLECTION UNIT FOR SURFACE LIGHT SOURCE DEVICE, AND SURFACE LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/146959
Kind Code:
A1
Abstract:
The purpose of the present invention is to minimize emission color irregularities by a surface light source device, caused by reflecting sheets. The present invention provides: a reflecting sheet arranged facing the light source of a surface light source device, wherein the reflecting sheet is characterized by having a reflecting part for reflecting light from the light source, and a transmitting part for transmitting light from the light source, and by having a transmitted yellow index (YI) or 50 or less; and a surface light source device having a light source, a lower side reflecting sheet for reflecting light, and an upper surface reflecting sheet comprising the reflecting sheet, wherein the lower side reflecting sheet is situated on the back surface of the light source, and the upper side reflecting sheet is situated facing the lower side reflecting sheet.
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Inventors:
WAKAHARA RYUICHI (JP)
KAWATA YUJI (JP)
TANAKA SHOTARO (JP)
KAWATA YUJI (JP)
TANAKA SHOTARO (JP)
Application Number:
PCT/JP2015/058853
Publication Date:
October 01, 2015
Filing Date:
March 24, 2015
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
G02B5/08; F21S2/00; G02F1/13357; G09F13/04; G09F13/14; F21Y101/02
Foreign References:
| JP2009231128A | 2009-10-08 | |||
| JP2003139926A | 2003-05-14 | |||
| JP2008058670A | 2008-03-13 | |||
| JP2005181825A | 2005-07-07 | |||
| JP2012174634A | 2012-09-10 | |||
| JP2009042421A | 2009-02-26 |
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