LIGHT-EMITTING DEVICE

WIPO Patent Application WO/2017/209149

A1

Provided is a light-emitting device in which the amount of light emitted using a plurality of COB LED packages is increased, and the heat dissipation of the LED packages is improved. The light-emitting device has: a circuit board in which a plurality of openings are formed; a plurality of LED packages each having a package substrate in which a connection electrode to the circuit board is formed on the end part of the top surface, a plurality of LED elements mounted on the package substrate, and a sealing resin for sealing the plurality of LED elements, the plurality of LED packages being inserted, respectively, in the plurality of openings from the back-surface side of the circuit board, and the connection electrodes being electrically connected to the back surface of the circuit board; and a heat-dissipation substrate disposed on the back-surface side of the circuit board so as to sandwich the package substrates of the plurality of LED packages against the circuit board.

JP2004146501	OXIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME
WO/2019/105075	LED DEVICE, LED LIGHT AND METHOD FOR PROCESSING CONDUCTOR WIRE OF LED DEVICE
JPH04132275	LIGHT EMITTING DIODE LIGHT SOURCE

TAMURA RYO (JP)
KUSANO KENJI (JP)
AKIYAMA TOMOKAZU (JP)
IMAI SADATO (JP)
IINO TAKASHI (JP)
HADA RYUICHI (JP)

PCT/JP2017/020154

December 07, 2017

May 30, 2017

Click for automatic bibliography generation  

CITIZEN ELECTRONICS (JP)
CITIZEN WATCH CO LTD (JP)

H01L33/00; H01L33/64

WO2013018783A1

2013-02-07

JP2004311791A	2004-11-04
JP2006303191A	2006-11-02
JP2007200727A	2007-08-09
JP2010098181A	2010-04-30
JP2009117124A	2009-05-28
JP2010010659A	2010-01-14
JP2015220307A	2015-12-07
US20120012881A1	2012-01-19

AOKI, Atsushi et al. (JP)

View/Download PDF      PDF Help

Previous Patent: UV-BLOCKING GLASS PLATE, AND GLASS WINDOW FOR VEHICLES USING SAID GLASS PLATE

Next Patent: HOLLOW FIBER MEMBRANE MODULE