公开(公告)号：US20160181561A1

公开(公告)日：2016-06-23

申请号：US14752372

申请日：2015-06-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jaegoo LEE ,  Seil KIM

IPC: H01L51/50

CPC classification number: H01L51/5278 ,  H01L51/5016 ,  H01L51/5044

Abstract: A white organic light emitting diode including a first electrode; a second electrode facing the first electrode; a charge generation region between the first and second electrodes; a first emitting layer to emit light of a first color, the first emitting layer being between the first electrode and the charge generation region; and a second emitting layer to emit light of a second color, the second emitting layer being between the second electrode and the charge generation region, wherein the charge generation region includes a hole generation region to generate holes, an electron generation region to generate electrons, and a depletion prevention region to prevent a depletion region from being generated by the holes and the electrons, the depletion prevention region being between the hole generation region and the electron generation region.

Abstract translation: 一种白色有机发光二极管，包括第一电极; 面对所述第一电极的第二电极; 在第一和第二电极之间的电荷产生区域; 第一发光层，其发射第一颜色的光，所述第一发光层位于所述第一电极和所述电荷产生区之间; 以及发射第二颜色的第二发光层，所述第二发光层位于所述第二电极和所述电荷产生区域之间，其中所述电荷产生区域包括产生空穴的空穴产生区域，产生电子的电子生成区域， 以及用于防止由空穴和电子产生耗尽区的耗尽区域，所述耗尽区域位于空穴产生区域和电子生成区域之间。