发明名称 LUMINESCENT DEVICE AND LIGHTING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a luminescent device and a lighting apparatus capable of suppressing increase in temperature of a light-emitting device by effectively using a wiring pattern layer. <P>SOLUTION: According to the present invention, a luminescent device 2 includes: a substrate 21; a plurality of light-emitting devices 22 formed of LEDs, etc. mounted on the substrate 21; and a wiring pattern layer 21a which is formed on a surface of the substrate 21 and in which a region Sc, to which a cathode-side electrode Ce is connected, has an area greater than that of a region Sa, to which an anode-side electrode Ae is connected, in each of the light-emitting devices 22 formed of LEDs, etc. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012156289(A) 申请公布日期 2012.08.16
申请号 JP20110013695 申请日期 2011.01.26
申请人 TOSHIBA LIGHTING & TECHNOLOGY CORP 发明人 AOKI KAZUMI;OTAKE HIROKAZU;NOGUCHI AKINOBU;OWADA TAKAISA;KAN HIROYA
分类号 H01L33/64;F21S2/00;F21V23/00;F21V29/00;F21Y101/02;H01L33/62 主分类号 H01L33/64
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