公开(公告)号：US11133470B2

公开(公告)日：2021-09-28

申请号：US15048488

申请日：2016-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Naotoshi Suganuma ,  Hiroaki Itoi ,  Masatsugu Ueno

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescent (EL) device having improved emission efficiency and emission lifetime. An embodiment of the organic EL device of the present disclosure includes a plurality of hole transport layers between an anode and an emission layer. The plurality of the hole transport layers may include an anode-side hole transport layer, a middle hole transport layer, and an emission layer-side hole transport layer. The emission layer-side hole transport layer may include an emission layer-side hole transport material represented by the following Formula 1:

公开(公告)号：US20160273127A1

公开(公告)日：2016-09-22

申请号：US15071141

申请日：2016-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Naotoshi Suganuma ,  Noriyuki Yoshimoto ,  Ryosuke Kamiya

IPC: C30B19/12 ,  B32B3/08 ,  C30B29/54

CPC classification number: C30B19/12 ,  C30B7/005 ,  C30B29/54

Abstract: Exemplary embodiments of the inventive concept provide a substrate for forming a single crystal layer with a lyophilic area having a high affinity to a single crystal material to maintain a position of the solution of the single crystal material, and a crystal growth inducing rail part formed in a shape of a line in the lyophilic area and having a higher affinity to the solution of the single crystal material than the lyophilic area.

Abstract translation: 本发明构思的示例性实施方案提供了一种用于形成具有对单晶材料具有高亲和力的亲液性区域以保持单晶材料的溶液的位置的单晶层的基板，以及形成在 在亲液性区域中的线的形状，并且对于单晶材料的溶液比亲液性区域具有更高的亲和力。