Samsung display co., ltd. (20250120313). LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

Organization Name

samsung display co., ltd.

Inventor(s)

Jiyoung Lee of Yongin-si KR

Tsuyoshi Naijo of Yongin-si KR

Seran Kim of Yongin-si KR

Sungsoo Bae of Yongin-si KR

Hyosup Shin of Yongin-si KR

Changwoong Chu of Yongin-si KR

Moran Ha of Yongin-si KR

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

This abstract first appeared for US patent application 20250120313 titled 'LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

Original Abstract Submitted

embodiments provide a light-emitting device that includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. the interlayer includes an emission layer, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound that is an organometallic compound, and a fourth compound that is a boron-containing compound. the fourth compound has a difference (�e) between a lowest excitation singlet energy level and a lowest excitation triplet energy level less than or equal to about 0.4 ev; and the light-emitting device satisfies condition 1 or condition 2, which are explained in the specification: