公开(公告)号：US09882157B2

公开(公告)日：2018-01-30

申请号：US14776652

申请日：2015-03-09

Applicant: Boe Technology Group Co., Ltd.

Inventor： Yansong Li

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/5008 ,  H01L27/3244 ,  H01L51/00 ,  H01L51/0035 ,  H01L51/0036 ,  H01L51/0047 ,  H01L51/50 ,  H01L51/5004 ,  H01L51/5056 ,  H01L51/5068 ,  H01L51/5072 ,  H01L51/5084 ,  H01L51/56 ,  H01L2251/552

Abstract: Disclosed herein is an OLED light emitting device and the production method thereof and a display apparatus. The OLED light emitting device includes a base substrate, and an anode, a cathode, and a light emitting layer located between the anode and the cathode, which are provided on the base substrate, and the OLED light emitting device further comprises a dissociation layer for dissociating excitons which arrive at the dissociation layer into holes and electrons; wherein the dissociation layer is provided between the light emitting layer and the anode in the case where the electron mobility is greater than the hole mobility; and the dissociation layer is provided between the light emitting layer and the cathode in the case where the hole mobility is greater than the electron mobility.

公开(公告)号：US09054320B2

公开(公告)日：2015-06-09

申请号：US14164654

申请日：2014-01-27

Applicant: BOE Technology Group Co., LTD. ,  JiLin OLED Material Tech. Co., LTD.

Inventor： Na Li ,  Yansong Li ,  Xiaoyu Ma ,  Hui Wang

IPC: C07D249/08 ,  H01L51/00

CPC classification number: H01L51/0058 ,  C07D249/08 ,  C07D403/10 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5012

Abstract: The invention provides a 1,2,4-triazole-based derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material having a higher luminescence efficiency. The 1,2,4-triazole-based derivative has a molecular structure of the following general formula, wherein A group represents an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The 1,2,4-triazole-based derivative mentioned in the invention can be used in organic electroluminescent device.

Abstract translation: 本发明提供基于1,2,4-三唑的衍生物，其制备方法和用途以及有机电致发光器件。 本发明属于有机电致发光技术领域，可以得到发光效率高的蓝色发光材料。 1,2,4-三唑系衍生物具有以下通式的分子结构，其中A基团表示碳原子数为8〜18的芳香族杂环基，碳原子数为稠环芳香族基 9-15，芴基或三芳基氨基。 本发明中提及的1,2,4-三唑类衍生物可用于有机电致发光器件中。