Title:
LIGHT-EMITTING DEVICE AND LIGHT-EMITTING PANEL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2011/126027
Kind Code:
A1
Abstract:
Provided are a light-emitting device and a light-emitting panel apparatus, wherein either enhancing light use efficiency, making handling thereof easier, and/or being able to illuminate an illuminating-target range with high illuminance and without unevenness is enabled. The light-emitting device (1) comprises: a transparent body (10) that has translucency, and that is formed to be ring-shaped as a whole; a substrate (12) onto which the transparent body (10) is to be arranged; and a plurality of light sources (11) that irradiate light towards the transparent body (10), and that are arranged on one face of the substrate (12) so as to be placed along the transparent body (10). The transparent body (10) is made to be a filled body filled to repletion, the cross section thereof is formed to be polygon-shaped, and a ring-shaped circumferential slot (16) is formed on a face of the transparent body (10) at the side facing the one face of the substrate (12), thus making the light sources (11) covered by the circumferential slot (16).
Inventors:
KO, WENSEN (24-11 Sugamo 1-chome, Toshima-k, Tokyo 02, 〒1700002, JP)
Application Number:
JP2011/058645
Publication Date:
October 13, 2011
Filing Date:
April 05, 2011
Export Citation:
Assignee:
HISA TOYO TECHNOLOGIES CORPORATION (24-11, Sugamo 1-chome Toshima-k, Tokyo 02, 〒1700002, JP)
久豊技研株式会社 (〒02 東京都豊島区巣鴨１丁目２４番地１１ Tokyo, 〒1700002, JP)
久豊技研株式会社 (〒02 東京都豊島区巣鴨１丁目２４番地１１ Tokyo, 〒1700002, JP)
International Classes:
F21V8/00; F21S2/00; H01L33/58; F21Y101/02
Attorney, Agent or Firm:
IAT WORLD PATENT LAW FIRM (7th Floor, HULIC Nakano Bldg. 44-18 Honcho 4-chome, Nakano-k, Tokyo 12, 〒1640012, JP)
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