公开(公告)号：US20150008394A1

公开(公告)日：2015-01-08

申请号：US14097471

申请日：2013-12-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Il-Soo OH ,  Chang-Ho Lee ,  Ji-Hwan Yoon ,  Dae-Yup Shin ,  Hee-Joo Ko ,  Se-Jin Cho ,  Jin-Young Yun ,  Bora Lee ,  Yeon-Woo Lee ,  Beom-Joon Kim ,  Pyung-Eun Jeon ,  Hyun-Ju Choi ,  Joong-Won Sim ,  In-Jae Lee

IPC: H01L27/32

CPC classification number: H01L27/3244 ,  H01L51/5092 ,  H01L2251/558

Abstract: An organic light emitting diode (OLED) display includes a substrate, a thin film transistor formed on the substrate, a first electrode formed on the thin film transistor and electrically connected to the thin film transistor, a hole injection layer (HIL) formed on the first electrode, a hole transport layer (HTL) formed on the hole injection layer (HIL), an emission layer formed on the HTL, an electron transport layer (ETL) formed on the emission layer, a first buffer layer located on the ETL, and a second electrode formed on the first buffer layer.

Abstract translation: 有机发光二极管（OLED）显示器包括基板，形成在基板上的薄膜晶体管，形成在薄膜晶体管上并电连接到薄膜晶体管的第一电极，形成在薄膜晶体管上的空穴注入层（HIL） 第一电极，形成在空穴注入层（HIL）上的空穴传输层（HTL），形成在HTL上的发射层，形成在发射层上的电子传输层（ETL），位于ETL上的第一缓冲层， 以及形成在第一缓冲层上的第二电极。

公开(公告)号：US10727417B2

公开(公告)日：2020-07-28

申请号：US14198514

申请日：2014-03-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In-Jae Lee ,  Myung-Suk Han

IPC: H01L51/00 ,  C09B57/00 ,  C09B1/00 ,  H01L51/50

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a hole transport region between the first electrode and the EML; an electron transport layer (ETL) between the EML and the second electrode, and including a first electron transport material; a first buffer layer between the EML and the ETL, and including a first buffer material; and a second buffer layer between the first buffer layer and the ETL, and including a second buffer material and a second electron transport material, wherein the first buffer material and the second buffer material are each independently selected from compounds represented by Formula 1 below, and the first buffer layer does not include an electron transport material:

公开(公告)号：US20150053933A1

公开(公告)日：2015-02-26

申请号：US14198514

申请日：2014-03-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In-Jae Lee ,  Myung-Suk Han

IPC: H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a hole transport region between the first electrode and the EML; an electron transport layer (ETL) between the EML and the second electrode, and including a first electron transport material; a first buffer layer between the EML and the ETL, and including a first buffer material; and a second buffer layer between the first buffer layer and the ETL, and including a second buffer material and a second electron transport material, wherein the first buffer material and the second buffer material are each independently selected from compounds represented by Formula 1 below, and the first buffer layer does not include an electron transport material:

Abstract translation: 一种有机发光装置，包括：第一电极; 面对所述第一电极的第二电极; 在所述第一电极和所述第二电极之间的发射层（EML）; 在第一电极和EML之间的空穴传输区域; EML和第二电极之间的电子传输层（ETL），并且包括第一电子传输材料; EML和ETL之间的第一缓冲层，并且包括第一缓冲材料; 以及在第一缓冲层和ETL之间的第二缓冲层，并且包括第二缓冲材料和第二电子传输材料，其中第一缓冲材料和第二缓冲材料各自独立地选自下面由式1表示的化合物和 第一缓冲层不包括电子传输材料：