Composition and light-emitting element using the composition
A composition and compound technology, applied in the field of light-emitting elements, can solve problems such as low luminous efficiency, and achieve the effects of high luminous efficiency, excellent luminescence, and excellent luminous efficiency
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Embodiment 1
[0210] Synthesized according to the method described in WO02 / 066552 by the following formula:
[0211] 【chemical 20】
[0212]
[0213] In the THF solution (0.05% by weight) of the phosphorescent compound (MC-1) that represents, mix into about 5 times weight by following formula:
[0214] 【Chemical 21】
[0215]
[0216] A THF solution (about 1% by weight) of the indicated compound (C-1) was prepared to prepare a mixture (solution). 10 µl of this mixture was dropped onto a slide glass and air-dried to obtain a solid film. When the solid film was irradiated with ultraviolet rays of 365 nm, strong green light was obtained from the phosphorescent compound (MC-1), confirming that the mixture had high luminous efficiency.
[0217] T of compound (C-1) 1 The energy value is 3.6eV, the absolute value of the energy level of HOMO E HOMO is 5.9eV. In addition, the T of the phosphorescent compound (MC-1) 1 The energy value is 2.7eV.
[0218] The calculation of the parameters w...
Embodiment 2
[0220] In the THF solution (0.05% by weight) of the phosphorescent compound (MC-1), mix into about 5 times of weight by the following formula:
[0221] 【Chemical 22】
[0222]
[0223] A THF solution (about 1% by weight) of the indicated compound (C-2) was prepared to prepare a mixture (solution). 10 µl of this mixture was dropped onto a slide glass and air-dried to obtain a solid film. When the solid film was irradiated with ultraviolet rays of 365 nm, strong green light emitted from the phosphorescent compound (MC-1) was obtained, confirming that the above-mentioned mixture has high luminous efficiency.
[0224] The calculation of the parameters was performed using the same computational science method as in Example 1. T of compound (C-2) 1 The energy value is 3.4eV, the absolute value of the energy level of LUMO E LUMO is 1.7eV.
Embodiment 3
[0226] In the THF solution (0.05% by weight) of the phosphorescent compound (MC-1), mix into about 5 times of weight by the following formula:
[0227] 【Chemical 23】
[0228]
[0229] A THF solution (about 1% by weight) of the indicated compound (C-3) was prepared to prepare a mixture (solution). 10 µl of this mixture was dropped onto a slide glass and air-dried to obtain a solid film. When the solid film was irradiated with ultraviolet rays of 365 nm, strong green light emitted from the phosphorescent compound (MC-1) was obtained, confirming that the above-mentioned mixture has high luminous efficiency.
[0230] The calculation of the parameters was performed using the same computational science method as in Example 1. T of compound (C-3) 1 The energy value is 3.8eV.
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Abstract
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