Organic light-emitting device

• Main Authors: TIAN XUECHAO, WANG JING, KUANG ZHIYUAN, CAI LIUHUAN, GAO LIANG, SANG MING, PANG HUIQING, XIA CHUANJUN, ZHAO CHUNLIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2024
• Subjects: ELECTRICITY

The invention belongs to the field of organic electronic devices, and discloses an organic light-emitting device which comprises an anode, a cathode and at least one light-emitting layer arranged between the anode and the cathode, and the light-emitting layer comprises a host material and a dopant material, the main body material at least comprises a first compound and a second compound; the first compound has an electron transport property, the second compound has a hole transport property, the main body compound combination with a specific structure is used, the service life of a device is effectively prolonged on the premise of maintaining high device efficiency and low driving voltage, and the organic electroluminescent device has the advantages of high efficiency, long service life and low voltage. 本发明属于有机电子器件领域，公开了一种有机电致发光器件，所述有机电致发光器件包含阳极，阴极以及设置在阳极与阴极之间的至少一个发光层，其中，所述发光层包含主体材料和掺杂剂材料，所述主体材料至少包含第一化合物和第二化合物；所述第一化合物具有电子传输性，所述第二化合物具有空穴传输性，使用特定结构的主体化合物组合，在保持较高的器件效率和较低驱动电压的前提下，有效提高了器件寿命，具有高效率、长寿命、低电压的优点。