公开(公告)号：US20220209154A1

公开(公告)日：2022-06-30

申请号：US17560601

申请日：2021-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Yong Hwan KIM ,  Ki Woog SONG ,  Ji Hoon KIM ,  Ji Yun KIM

IPC: H01L51/50 ,  H01L27/32

Abstract: A white light emitting device and a light emitting display device including the same, in which the relationship between the triplet energy levels of dopants of emission layers is appropriately adjusted so as to improve the efficiency of the white light emitting device and the light emitting display device, thereby increasing a color temperature and enabling rich color representation.

公开(公告)号：US20220209153A1

公开(公告)日：2022-06-30

申请号：US17549323

申请日：2021-12-13

Applicant: LG DISPLAY CO., LTD.

Inventor： Yong Hwan KIM ,  Ki Woog SONG

IPC: H01L51/50 ,  H01L27/32

Abstract: A white light emitting device and the light emitting display device including the same have an improved structure capable of preventing a color difference between regions and eliminating a difference in color characteristics between a low grayscale level and a high grayscale level.