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Patent Searching and Data


Title:
PLANAR ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/038924
Kind Code:
A1
Abstract:
A planar illumination device (1) according to an embodiment is provided with: a light guide plate (4); a light source (5b); and reflectors (3A, 3B). Light enters the light guide plate (4) through an light entering-side surface (4a). The light source (5b) emits light to the light entering-side surface (4a) of the light guide plate (4). The reflectors (3A, 3B) are disposed along an emission surface, which is one of the main surfaces of the light guide plate (4) and along a rear surface on the opposite side thereof. The reflectors (3A, 3B) include: a first part (3B) fixed on the side of the light entering-side surface (4a) located on the rear surface of the light guide plate (4) by a fixing member (105); and a second part (3A) separated from the first part (3B) and disposed closer to a terminal end side in a light guiding direction than the first part (3B) is. The first part (3B) and the second part (3A) are fixed to a frame (2A) via a single fixing member (101).

Inventors:
ADACHI KAZUMASA (JP)
Application Number:
PCT/JP2020/008428
Publication Date:
March 04, 2021
Filing Date:
February 28, 2020
Export Citation:
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Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
F21S2/00; G02F1/13357; F21Y115/10
Domestic Patent References:
WO2015198378A12015-12-30
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
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