Table 3. Maximum Intensity of EL Emission in the UV and Near-IR Ranges in OLEDs Based on CuTFP and CuTPP Doped in PVK.

dye content (wt %)	emission wavelength in UV (nm)/IR (nm)	corresponding intensity (μW cm–2 nm–1)	intensity ratio
CuTFP, 1%	410/795	7.44/1.22	6.1/1
CuTFP, 5%	410/795	10.13/2.91	3.5/1
CuTPP, 1%	395/786	1.95/3.51	1/1.8
CuTPP, 5%	395/786	2.51/3.78	1/1.5