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Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2013042036
Kind Code:
A
Abstract:

To provide a light-emitting device which efficiently diffuses the heat of a light-emitting diode by a simple structure.

A light-emitting deice includes: a substrate; a plurality of first light-emitting units disposed on a first straight line on the substrate; a plurality of second light-emitting units disposed on a second straight line separated from the first straight line and parallel with the first straight line on the substrate, and having a different luminescent color from the first light-emitting units; and a plurality of third light-emitting units disposed on a third straight line separated from the first and second straight lines and parallel with the first and second straight lines on the substrate, and having a different luminescent color from the first and second light-emitting units. A distance between the light-emitting units having the same luminescent color is larger than the minimum distance between the light-emitting units having different luminescent colors.


Inventors:
HATTORI YASUSHI
MITSUISHI IWAO
MATSUDA NAOHISA
KATO MASAHIRO
ISHIDA KUNIO
FUKUDA YUMI
HIRAMATSU RYOSUKE
ALBESSARD KEIKO
OKADA AOI
Application Number:
JP2011178979A
Publication Date:
February 28, 2013
Filing Date:
August 18, 2011
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
F21S8/04; H01L33/64; F21Y101/02
Domestic Patent References:
JP2011159832A2011-08-18
JP2006332490A2006-12-07
JP2004512687A2004-04-22
JP2008028171A2008-02-07
JP2007150268A2007-06-14
Attorney, Agent or Firm:
Tetsuma Ikegami
Akira Sudo
Mitsuyuki Matsuyama