Title:
LIGHTING FILM AND MANUFACTURING METHOD OF LIGHTING FILM
Document Type and Number:
Japanese Patent JP2016066098
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve lighting efficiency.SOLUTION: A lighting film 1 includes: a base part 3 having a plurality of grooves arranged separately along one surface; a plurality of filling parts 4 formed by filling filler having a refractive index different from the base part into the plurality of grooves; and a cavity filling part 5 formed by filling prescribed filler into one or more recessed parts formed by an end face shape on one surface side of the plurality of filling parts.SELECTED DRAWING: Figure 1
Inventors:
OKI YASUHIRO
MITSUZUKA KIYOSHI
MITSUZUKA KIYOSHI
Application Number:
JP2015257117A
Publication Date:
April 28, 2016
Filing Date:
December 28, 2015
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B5/00; F21S11/00
Domestic Patent References:
| JP2013156554A | 2013-08-15 | |||
| JP2011034060A | 2011-02-17 |
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Yasushi Kawasaki
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Yasushi Kawasaki