Table 1. Device performance of the tested OLEDs.

					Performance at 1,000 cd m−2
EML	Turn-on voltage [V]	Max. ηEQE [%]	Max. CE [cd A−1]	CIE a	Voltage [V]	ηEQE [%]	CE [cd A−1]	LT50 [hour]
TBRb	6.0	4.0	13	(0.43, 0.51)	10b	2.5b	7.9b	5
4CzIPN-Me	3.8	21.0	73	(0.37, 0.58)	6.6	19.7	68	1,472
TBRb: 4CzIPN-Me	4.0	19.1	62	(0.43, 0.54)	7.5	16.7	56	3,775

^aThe CIE were obtained at 500 cd m⁻².

^bThese values were obtained at 800 cd m⁻².