Title:
HIGH-EFFICIENCY LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/068533
Kind Code:
A2
Abstract:
A high-efficiency light-emitting device of the present invention comprises: a nitride-based semiconductor laminate layer comprising a first conductive-type semiconductor layer, an active layer, and a second conductive-type semiconductor layer; a substrate comprising a first electrode and a second electrode each connected to the first conductive-type semiconductor layer and the second conductive-type semiconductor layer, a first pad electrode and a second pad electrode each connected with the first electrode and the second electrode, and a first connection pad and a second connection pad each connected with the first pad electrode and the second pad electrode; and a solder positioned between the pad electrodes and the connection pads, wherein the pad electrodes are disposed so as to face the connection pads, at least one among the first pad electrode and the first connection pad facing each other, or at least one among the second pad electrode and the second connection pad facing each other comprises at least one groove part formed on the surface thereof that is facing the other, and at least one part of the solder may be disposed in the groove part.
Inventors:
YOON YEO JIN (KR)
LEE CHUNG HOON (KR)
LEE CHUNG HOON (KR)
Application Number:
PCT/KR2015/010977
Publication Date:
May 06, 2016
Filing Date:
October 16, 2015
Export Citation:
Assignee:
SEOUL VIOSYS CO LTD (KR)
International Classes:
H01L33/62; H01L33/36
Attorney, Agent or Firm:
AIP PATENT & LAW FIRM (KR)
특허법인에이아이피 (KR)
특허법인에이아이피 (KR)
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