公开(公告)号：US20160163771A1

公开(公告)日：2016-06-09

申请号：US14884952

申请日：2015-10-16

Applicant: LG Display Co., Ltd.

Inventor： Jaeseung JANG ,  Jaeil SONG ,  DongHyuk KIM

IPC: H01L27/32

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括在阳极和阴极之间的第一发光部分，第一发光部分具有第一发光层，第二发光部分在第一发光部分和阴极之间，第二光 具有第二发光层和第三发光层的发光部，其中所述第二发光层包括空穴型主体和第一电子型主体，所述第三发光层包括第一电子型主体和 第二电子型宿主。

公开(公告)号：US20210159282A1

公开(公告)日：2021-05-27

申请号：US17164680

申请日：2021-02-01

Applicant: LG Display Co., Ltd.

Inventor： Jaeseung JANG ,  Jaeil SONG ,  DongHyuk KIM

IPC: H01L27/32 ,  H01L51/50

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.

公开(公告)号：US20190296090A1

公开(公告)日：2019-09-26

申请号：US16423951

申请日：2019-05-28

Applicant: LG Display Co., Ltd.

Inventor： Jaeseung JANG ,  Jaeil SONG ,  DongHyuk KIM

IPC: H01L27/32 ,  H01L51/50

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.

公开(公告)号：US20170162816A1

公开(公告)日：2017-06-08

申请号：US15224093

申请日：2016-07-29

Applicant: LG DISPLAY CO., LTD.

Inventor： DongHyuk KIM ,  Younseok KAM ,  Taeshick KIM ,  Seung KIM ,  TaeSeok LIM

IPC: H01L51/50

CPC classification number: H01L51/504 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5088 ,  H01L2251/301

Abstract: Discussed is an OLED apparatus which facilitates to improve the lifetime and progressive driving voltage properties, wherein the OLED apparatus includes an anode, a cathode, and a plurality of stacks. Among the plurality of stacks, the first stack closest the anode includes a first emission layer including a blue emission layer, and a hole transporting layer having a first material, and a second material whose hole mobility is smaller than that of the first material.