公开(公告)号：US20170133618A1

公开(公告)日：2017-05-11

申请号：US15409029

申请日：2017-01-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeil KUM ,  Gwijeong CHO ,  KiWoog SONG ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L51/002 ,  H01L51/504 ,  H01L51/5278 ,  H01L2251/558

Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.

公开(公告)号：US20150372250A1

公开(公告)日：2015-12-24

申请号：US14710154

申请日：2015-05-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeil KUM ,  Gwijeong CHO ,  KiWoog SONG ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L51/002 ,  H01L51/504 ,  H01L51/5278 ,  H01L2251/558

Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.

Abstract translation: 本发明提供一种白色有机发光装置，其能够提高装置的异常发光，效率和可靠性。 根据本发明的示例性实施例的白色有机发光器件包括：第一发光单元，包括在第一电极和第二电极之间的第一发光层; 第二发光单元，包括在第一发光单元上的第二发光层; 以及第一发光单元和第二发光单元之间的电荷产生层，电荷产生层中的金属体积为电荷产生层总体积的1.0％以下。