Title:
LIGHT-GUIDE PANEL, PLANAR LIGHT-SOURCE DEVICE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/151942
Kind Code:
A1
Abstract:
The disclosed light-guide panel has: a main body; a plurality of first unit shape elements that extend in the light-guide direction on top of the main body; and a plurality of second unit shape elements arranged between the first unit shape elements on top of the main body. The widths of the first unit shape elements decrease from the middle to the edges in the light-guide direction. In the middle, the height/width ratio of the first unit shape elements is greater than that of the second unit shape elements.
Inventors:
GOTO Masahiro (1-1, Ichigaya-kaga-cho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
後藤 正浩 (〒01 東京都新宿区市谷加賀町一丁目１番１号 大日本印刷株式会社内 Tokyo, 〒1628001, JP)
SEKIGUCHI Hiroshi (1-1, Ichigaya-kaga-cho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
後藤 正浩 (〒01 東京都新宿区市谷加賀町一丁目１番１号 大日本印刷株式会社内 Tokyo, 〒1628001, JP)
SEKIGUCHI Hiroshi (1-1, Ichigaya-kaga-cho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
Application Number:
JP2010/071907
Publication Date:
December 08, 2011
Filing Date:
December 07, 2010
Export Citation:
Assignee:
DAI NIPPON PRINTING CO., LTD. (1-1 Ichigaya-kaga-cho 1-chome, Shinjuku-ku Tokyo, 01, 〒1628001, JP)
大日本印刷株式会社 (〒01 東京都新宿区市谷加賀町一丁目１番１号 Tokyo, 〒1628001, JP)
GOTO Masahiro (1-1, Ichigaya-kaga-cho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
後藤 正浩 (〒01 東京都新宿区市谷加賀町一丁目１番１号 大日本印刷株式会社内 Tokyo, 〒1628001, JP)
大日本印刷株式会社 (〒01 東京都新宿区市谷加賀町一丁目１番１号 Tokyo, 〒1628001, JP)
GOTO Masahiro (1-1, Ichigaya-kaga-cho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
後藤 正浩 (〒01 東京都新宿区市谷加賀町一丁目１番１号 大日本印刷株式会社内 Tokyo, 〒1628001, JP)
International Classes:
F21S2/00; G02F1/13357; F21Y101/02
Attorney, Agent or Firm:
KATSUNUMA Hirohito et al. (Kyowa Patent & Law Office, Room 323 Fuji Bldg., 2-3, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
Claims: