Preparation method of ultra-low turn-on voltage deep blue light organic electroluminescent device

• Main Authors: YIN SHOUGEN, CUI MINGKUAN, RUI HONGSONG, LU KUANKUAN, WU XIAOMING, JIN MENGJIA, LAN BAOFA, LIU XUGUANG, YANG NAN, HOU HUIQING
• Format: Patent
• Language: Chinese; English
• Published: 17.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The invention relates to a preparation method of an ultra-low turn-on voltage deep blue light organic electroluminescent device. According to the invention, a methyl group, a phenyl group and a trimethylphenyl group are introduced to boron atoms on two sides of a BN-Ullazine derivative main body, an...