公开(公告)号：US20160336497A1

公开(公告)日：2016-11-17

申请号：US15150161

申请日：2016-05-09

Applicant: LG INNOTEK CO., LTD.

Inventor： Hyun Don SONG ,  Ki Man KANG ,  Seung Hwan KIM ,  Sung Won David ROH ,  Jin Wook LEE ,  Eun Ju HONG ,  Yee Rang HONG

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/64 ,  H01L33/48 ,  H01L33/46 ,  H01L33/60 ,  H01L33/32 ,  H01L33/40

CPC classification number: H01L33/62 ,  H01L33/32 ,  H01L33/382 ,  H01L33/40 ,  H01L33/46 ,  H01L33/48 ,  H01L33/486 ,  H01L33/60 ,  H01L33/641 ,  H01L33/644 ,  H01L33/647 ,  H01L2933/0016

Abstract: A light emitting device having an enhanced surface property and an electrical property is provided. The light emitting device includes a light emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer, a first electrode disposed on one side of the light emitting structure and electrically connected to the first semiconductor layer, a second electrode disposed on one side of the light emitting structure and electrically connected to the second semiconductor layer, and an ohmic contact including a first layer disposed between the second electrode and the second semiconductor layer and having aluminum (Al), a second layer including at least one MxAly alloy formed by a reaction with Al included in the first layer, and a third layer disposed on the second layer and having gold (Au) is provided.

Abstract translation: 提供具有增强的表面性质和电性能的发光器件。 发光器件包括：发光结构，包括第一半导体层，有源层和第二半导体层，第一电极，设置在发光结构的一侧并与第一半导体层电连接;第二电极， 在所述发光结构的一侧并且电连接到所述第二半导体层，以及欧姆接触，所述欧姆接触包括设置在所述第二电极和所述第二半导体层之间并具有铝（Al）的第一层，第二层包括至少一个M×Aly 提供了通过与包含在第一层中的Al的反应形成的合金和设置在第二层上并具有金（Au）的第三层。