Kilpatrick Townsend & Stockton LLP
Organic electroluminescent device
The present application discloses an organic electroluminescent device that includes a plurality of kinds of light-emitting units having different light-emitting wavelengths, wherein the light-emitting units are organic light-emitting diodes, the organic light-emitting diodes include a plurality of single-colored organic light-emitting diodes and/or a plurality of white-light organic light-emitting diodes provided with optical filters; at least one kind of the organic light-emitting diodes has a microcavity structure; a microcavity optical length Li of the organic light-emitting diode having the microcavity structure and a light-emitting wavelength λi of the corresponding light-emitting unit meet the following formula: Li=niλi, wherein ni≥2, ni is a positive integer, and the ni corresponding to at least one of the plurality of kinds of light-emitting units having different light-emitting wavelengths λi is larger than or equal to 3; m is the number of the kinds of the light-emitting units, m≥i≥1, i and m are positive integers.
YUNGU (GU'AN) TECHNOLOGY CO., LTD.
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Hui Xiuqi Xiaokang Jingwen Mengzhen Weiwei Tiantian Lin Xiaoyu
Pang Huang Zhou Tian Li Li Li He Gao