公开(公告)号：KR101136521B1

公开(公告)日：2012-04-17

申请号：KR1020090115158

申请日：2009-11-26

Applicant: 한국과학기술연구원

Inventor： 우덕하 ,  김선호 ,  이석 ,  변영태 ,  전영민 ,  김재헌 ,  정미 ,  김신근

IPC: H01L33/20

Abstract: PURPOSE: A light emitting diode and manufacturing method thereof are provided to form an uneven structure on an upper semiconductor layer to reduce the total reflection in a light emitting diode, thereby increasing the light emitting efficiency of the light emitting diode. CONSTITUTION: A first conductive lower semiconductor layer(120), an active layer(130), and a second conductive upper semiconductor layer(140) are formed on a substrate(110). A porous alumina layer(210) including a hole is formed on the upper semiconductor layer. Parts of the upper semiconductor layer, the active layer, and the lower semiconductor layer are etched to form an etching unit(260). The etching process is performed using an alumina layer as a mask.

Abstract translation: 目的：提供发光二极管及其制造方法，以在上半导体层上形成不平坦结构，以减少发光二极管中的全反射，从而提高发光二极管的发光效率。 构成：在衬底（110）上形成第一导电下半导体层（120），有源层（130）和第二导电上半导体层（140）。 包括孔的多孔氧化铝层（210）形成在上半导体层上。 蚀刻上部半导体层，有源层和下部半导体层的一部分以形成蚀刻单元（260）。 使用氧化铝层作为掩模进行蚀刻处理。

公开(公告)号：KR1020110058388A

公开(公告)日：2011-06-01

申请号：KR1020090115158

申请日：2009-11-26

Applicant: 한국과학기술연구원

Inventor： 우덕하 ,  김선호 ,  이석 ,  변영태 ,  전영민 ,  김재헌 ,  정미 ,  김신근

IPC: H01L33/20

Abstract: PURPOSE: A light emitting diode and manufacturing method thereof are provided to form an uneven structure on an upper semiconductor layer to reduce the total reflection in a light emitting diode, thereby increasing the light emitting efficiency of the light emitting diode. CONSTITUTION: A first conductive lower semiconductor layer(120), an active layer(130), and a second conductive upper semiconductor layer(140) are formed on a substrate(110). A porous alumina layer(210) including a hole is formed on the upper semiconductor layer. Parts of the upper semiconductor layer, the active layer, and the lower semiconductor layer are etched to form an etching unit(260). The etching process is performed using an alumina layer as a mask.

Abstract translation: 目的：提供发光二极管及其制造方法以在上半导体层上形成不均匀结构，以减少发光二极管中的全反射，从而提高发光二极管的发光效率。 构成：在衬底（110）上形成第一导电下半导体层（120），有源层（130）和第二导电上半导体层（140）。 在上半导体层上形成包括孔的多孔氧化铝层（210）。 对上半导体层，有源层和下半导体层的部分进行蚀刻以形成蚀刻单元（260）。 使用氧化铝层作为掩模进行蚀刻处理。