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Title:
MANUFACTURING METHOD OF LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACKLIGHT APPARATUS, ILLUMINATION APPARATUS, AND PARTITION BOARD APPARATUS
Document Type and Number:
WIPO Patent Application WO/2011/067871
Kind Code:
A1
Abstract:
Provided is a partition board apparatus, wherein a light guide plate can be made to act as a translucent member such as a window plate, and can also be made to act as a light shielding member while being used as a surface light source with a prescribed pattern. The partition board apparatus has: a light guide plate that has formed thereon a plurality of recess pattern traces formed on one main face and the other main face thereof, said plurality of recess pattern traces formed by pressing a matrix-formed processing dots provided on an ultrasonic processing horn on a main face of the light guide plate while partially melting the light guide plate with ultrasonic vibration; and a light source unit that generates diffuse light with the recess pattern traces by making light enter the light guide plate from a side face thereof. The light guide plate acts as a translucent member when light from the light source unit does not enter, and acts as a light shielding member comprised of a surface light source having a prescribed pattern formed by the recess pattern traces when light from the light source unit enters.

Inventors:
SAKAMOTO, Mitsuhide (Aza Gou Higashi 302, Dosaki, Tanyo-cho, Ichinomiya-sh, Aichi 25, 〒4910825, JP)
坂本光秀 (〒25 愛知県一宮市丹陽町外崎字郷東302番地株式会社エス・ケー・ジー内 Aichi, 〒4910825, JP)
NAKASHIMA, Hiroshi (Aza Gou Higashi 302, Dosaki, Tanyo-cho, Ichinomiya-sh, Aichi 25, 〒4910825, JP)
Application Number:
JP2010/003513
Publication Date:
June 09, 2011
Filing Date:
May 26, 2010
Export Citation:
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Assignee:
S.K.G. Co., Ltd. (117 Takayashiro 1-chome, Meitou-ku Nagoya-sh, Aichi 95, 〒4650095, JP)
株式会社エス・ケー・ジー (〒95 愛知県名古屋市名東区高社1丁目117番地 Aichi, 〒4650095, JP)
SAKAMOTO, Mitsuhide (Aza Gou Higashi 302, Dosaki, Tanyo-cho, Ichinomiya-sh, Aichi 25, 〒4910825, JP)
坂本光秀 (〒25 愛知県一宮市丹陽町外崎字郷東302番地株式会社エス・ケー・ジー内 Aichi, 〒4910825, JP)
International Classes:
F21V33/00; E06B9/01; F21V8/00; F21Y101/02; F21Y103/00
Attorney, Agent or Firm:
SATO, Masaru (SATO AND ASSOCIATES, 3-6-11 Ariake, Kouto-k, Tokyo 71, 〒1358071, JP)
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