Title:
LIGHT DIFFUSING MEMBER FOR LIGHTING MEMBER AND LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/221505
Kind Code:
A1
Abstract:
A light diffusing member for a lighting member according to one embodiment of the present invention is overlapped, at least partially, in a light transmission direction on the lighting member having a plurality of lighting portions provided on one surface thereof and having light transmitting property in a visible light region. The light diffusing member has light transmitting property and light diffusing property in the visible light region, has a thickness larger than a maximum height difference of a surface on which the plurality of lighting portions is formed, and is provided with peaks and valleys causing light to diffuse on at least any one surface of a pair of surfaces facing each other in the light transmission direction, or includes a plurality of light diffusing materials inside thereof. The average pitch of peaks and valleys or the average arrangement interval between the light diffusing materials is smaller than the pitch of the plurality of lighting portions.
Inventors:
ASAOKA YASUSHI
NISHINAKA SHUMPEI
MATSUURA KYOKO
UEKI SHUN
KANNO TORU
NISHINAKA SHUMPEI
MATSUURA KYOKO
UEKI SHUN
KANNO TORU
Application Number:
PCT/JP2018/020523
Publication Date:
December 06, 2018
Filing Date:
May 29, 2018
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G02B5/02; E06B5/00; F21S11/00; F21V3/00; F21V3/06; G02B5/00
Domestic Patent References:
| WO2016175149A1 | 2016-11-03 |
Foreign References:
| JP2016118608A | 2016-06-30 | |||
| JP2006063768A | 2006-03-09 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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