Title:
採光フィルム、採光フィルムの原反ロール、窓ガラス、ロールスクリーンおよび採光ルーバー
Document Type and Number:
Japanese Patent JP6461600
Kind Code:
B2
Abstract:
A lighting film 1 includes a base member 10 which has light-transmitting properties, a plurality of protrusion portions 11 which have light-transmitting properties and are formed on one surface of the base member 10 so as to be adjacent to each other, and a gap portion 12 which is formed between the protrusion portions. In the protrusion portion 11, a first end surface 11a on the base member 10 side or a second end surface 11b on an opposite side to the base member 10 is configured as a light incidence end surface, and a side surface 11c which comes into contact with the gap portion 12 is configured as a reflective surface of totally reflecting light which is incident from the light incidence end surface. The base member 10 or a member that is formed on one surface of the base member 10 and has light-transmitting properties is exposed in the gap portion 12.
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Inventors:
Shun Ueki
Tomoko Nango
Go Kamada
Kazuyoshi Sakuragi
Tsuji Masahiro Moto
Tomoko Nango
Go Kamada
Kazuyoshi Sakuragi
Tsuji Masahiro Moto
Application Number:
JP2014539727A
Publication Date:
January 30, 2019
Filing Date:
September 30, 2013
Export Citation:
Assignee:
Sharp Corporation
International Classes:
G02B5/00; E06B5/00; F21S11/00; F21V5/02
Domestic Patent References:
| JP2008040021A | ||||
| JP2012003025A | ||||
| JP2012038626A | ||||
| JP2001083454A | ||||
| JP2011123478A | ||||
| JP2001082057A | ||||
| JP2002526906A | ||||
| JP2013514549A |
Foreign References:
| WO2011084303A2 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Masao Miki
Susumu Nomura
Koji Kata
Masao Miki
Susumu Nomura
Koji Kata