Nitrogen-containing compound, electronic element, and electronic device
A technology of nitrogen compounds and electronic components, applied in electrical components, electric solid devices, circuits, etc., can solve the problems of performance degradation of light-emitting devices, increase of operating voltage, and decrease of luminous efficiency, so as to improve hole mobility and reduce twist angle , The effect of reducing the energy band width
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Embodiment 1
[0190] The substrate containing the Ag alloy light reflection layer and the anode ITO (thickness 15nm) of the organic electroluminescence element is cut into a size of 40mm (length) × 40mm (width) × 0.7mm (thickness), and the photolithography process is used to cut it Prepare an experimental substrate with a cathode 5, an anode 1 and an insulating layer pattern, use ultraviolet ozone and O2:N2 plasma for surface treatment to increase the work function of the anode 1 (experimental substrate), and use an organic solvent to clean the surface of the ITO substrate, To remove scum and oil on the surface of the ITO substrate, the organic solvent can be ethanol, acetone, or isopropanol. Of course, it can also be other organic solvents, which will not be listed here. It should be noted that the ITO substrate can also be cut into other sizes according to actual needs, and the size of the ITO substrate in the present disclosure is not specifically limited here.
[0191] On the experiment...
Embodiment 2~20
[0200] An organic electroluminescent device was fabricated by the same method as in Example 1 except that the compounds shown in Table 1 were each used in forming the hole transport layer 31 (HTL).
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