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1. (WO2018139347) ILLUMINATION DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVING DEVICE

Pub. No.:    WO/2018/139347    International Application No.:    PCT/JP2018/001506
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 20 00:59:59 CET 2018
IPC: F21S 2/00
F21Y 115/10
F21Y 115/30
Applicants: SHARP KABUSHIKI KAISHA
シャープ株式会社
Inventors: SHIMIZU Takaharu
清水 敬治
Title: ILLUMINATION DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVING DEVICE
Abstract:
A backlight device (12) is provided with: a red laser light source (17), a blue laser light source (18), and a green laser light source (19) that are laser light sources for producing laser light; a light guide plate (22) in which a section of outer-peripheral edge surfaces thereof that faces the red laser light source (17), the blue laser light source (18), and the green laser light source (19), which are laser light sources, is a laser-light incident section (22a) at which laser light is incident, a section of the outer-peripheral edge surfaces thereof that is located at the opposite side from the laser-light incident section (22a) is a laser-light-incident opposite section (22e), and one of a pair of plate surfaces is a light-emission plate surface (22c) from which light is emitted; and a diffuse reflection member (26) that is attached to the laser-light-incident opposite section (22e) of the light guide plate (22) in a contact manner and that diffusely reflects laser light.