公开(公告)号：US20140167015A1

公开(公告)日：2014-06-19

申请号：US14109084

申请日：2013-12-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Se-Hee LEE ,  Kwan-Soo KIM ,  Seok-Jong LEE ,  Jin-Ho PARK ,  Sun-Kap KWON

IPC: H01L51/50

CPC classification number: H01L51/504 ,  H01L27/3211 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5064 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5265 ,  H01L2251/5384

Abstract: An organic light emitting display device includes a first electrode formed on a substrate and being a reflective electrode, a second electrode facing the first electrode and being a semi-transparent electrode, and red, green and blue emission layers formed between the first and second electrodes, wherein a maximum electroluminescent peak of the redemission layer and a maximum photoluminescence peak of a host included in the red emission layer satisfy Equation 1 below: REDELλmax−RHPLλmax≧120 nm   wherein REDELλmax is a maximum electroluminescent peak of the red emission layer, and RHPLλmax is a maximum photoluminescence peak of a red host included in the red emission layer.

Abstract translation: 有机发光显示装置包括形成在基板上并且是反射电极的第一电极，面对第一电极并且是半透明电极的第二电极，以及形成在第一和第二电极之间的红色，绿色和蓝色发射层 其中红色发射层中包含的发射层的最大电致发光峰和最大光致发光峰满足下面的等式1：REDELλmax-RHPLλmax≥120nm<等式1>其中REDELλmax是红色发射的最大电致发光峰 层，RHPLλmax是包含在红色发射层中的红色主体的最大光致发光峰。