公开(公告)号：US20150034923A1

公开(公告)日：2015-02-05

申请号：US14339168

申请日：2014-07-23

Applicant: LG Display Co., Ltd.

Inventor： Shinhan KIM ,  Byungchul AHN ,  Changwook HAN ,  Dohyung KIM ,  Hongseok CHOI ,  Sunghoon PIEH ,  Yoonheung TAK ,  Jeongdae SEO ,  Youngkwan JUNG ,  Gwijeong CHO ,  Younseok KAM ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5004 ,  H01L27/3209 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5278 ,  H01L2251/5376

Abstract: Provided is a white organic light emitting diode device, including first and second electrodes facing each other above a substrate, first and second charge generation layers formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the first charge generation layer and including a first light emitting layer, a second stack disposed between the first charge generation layer and the second charge generation layer and including a second light emitting layer, and a third stack disposed between the second charge generation layer and the second electrode and including a third light emitting layer, wherein two of the first to third light emitting layers emit a blue light and the rest light emitting layer emits a yellow-green light.

Abstract translation: 提供了一种白色有机发光二极管装置，其包括在基板上面对的第一和第二电极，形成在第一电极和第二电极之间的第一和第二电荷产生层，设置在第一电极和第一电荷之间的第一堆叠 设置在第一电荷产生层和第二电荷产生层之间并包括第二发光层的第二叠层和设置在第二电荷产生层和第二电极之间的第三堆叠， 包括第三发光层，其中第一至第三发光层中的两个发射蓝色光，其余发光层发射黄绿色光。