Title:
EDGE-LIGHT TYPE BACKLIGHT UNIT AND REFLECTIVE TAPE MEMBER
Document Type and Number:
WIPO Patent Application WO/2015/186842
Kind Code:
A1
Abstract:
In order to provide an edge-light type backlight unit in which light utilization efficiency is increased and luminosity improvement is accelerated by a beam of light output from a light source being accurately incidented inside a light guide film, an edge-light type backlight unit according to the present invention: is equipped with a light guide film having an average thickness of 100-600μm inclusive, and one or a plurality of thin light sources arranged facing one or a plurality of end surfaces of the light guide film; outputs a beam of light, which is output from the thin light source, from a surface of the light guide film; and is also equipped with a first reflective tape arranged so as to cover the surface side of light guide film at the edges of the side thereof to which the one or a plurality of thin light sources are arranged. The first reflective tape may be arranged so as to cover the surface side of a gap between the light guide film and the one or a plurality of thin light sources.
Inventors:
FURUTA AKIRA (JP)
NAKASHIMA HIRONORI (JP)
NAKASHIMA HIRONORI (JP)
Application Number:
PCT/JP2015/066520
Publication Date:
December 10, 2015
Filing Date:
June 08, 2015
Export Citation:
Assignee:
KEIWA INC (JP)
International Classes:
F21S2/00; G02F1/13357
Domestic Patent References:
| WO2012102193A1 | 2012-08-02 |
Foreign References:
| JP2005078917A | 2005-03-24 | |||
| JP2005340160A | 2005-12-08 | |||
| JP2012123995A | 2012-06-28 | |||
| JP2007019024A | 2007-01-25 |
Attorney, Agent or Firm:
AMANO KAZUNORI (JP)
Kazuki Amano (JP)
Kazuki Amano (JP)
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