Title:
LIGHT GUIDE FILM AND BACKLIGHT UNIT
Document Type and Number:
WIPO Patent Application WO/2018/155482
Kind Code:
A1
Abstract:
The present invention provides a light guide film and a backlight unit that are bendable and highly resistant to impact and that enable adjustment of luminance in different regions. The present invention has: a plurality of optical units each having a light guide part and a light-emitting part; and a resin part which is filled between adjacent optical units. The light guide unit receives incoming light from a light source and then guides the light to the light-emitting part. The light-emitting part receives incoming light guided by the light guide part and emits the light from a light-emitting surface. The plurality of optical units, with the light-emitting surfaces of their respective light-emitting parts disposed parallel to each other, are arranged in the surface direction of the light-emitting surfaces. The light guide part and the light-emitting part are arranged in the surface direction of the light-emitting surface.
Inventors:
SEKIGUCHI MEGUMI (JP)
YAMADA NAOYOSHI (JP)
YAMADA NAOYOSHI (JP)
Application Number:
PCT/JP2018/006175
Publication Date:
August 30, 2018
Filing Date:
February 21, 2018
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
F21S2/00; G02B6/00; F21Y115/10; F21Y115/30; G02F1/13357
Foreign References:
| JP2011023353A | 2011-02-03 | |||
| JP2011138756A | 2011-07-14 |
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
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