Patent Number: 8,722,206

Title: Organic light-emitting diode

Abstract: According to one embodiment, an organic light-emitting diode includes an anode and a cathode arranged apart from each other, an emission layer, arranged between the anode and cathode, containing a host material of polyvinyl(2,7-difluorocarbazole), a blue-emitting phosphorescent material, and an electron transport material, and a hole transport layer of polyvinylcarbazole arranged adjacent to the emission layer on an anode side.

Inventors: Ono; Tomio (Yokohama, JP), Enomoto; Shintaro (Yokohama, JP), Takasu; Isao (Komae, JP), Mizuno; Yukitami (Tokyo, JP), Uchikoga; Shuichi (Tokyo, JP)

Assignee: Kabushiki Kaisha Toshiba

International Classification: H01L 51/52 (20060101)

Expiration Date: 5/13/12018