Back to results
US 10,851,292 B2Granted
Dark blue light thermally activated delayed fluorescence (TADF) material and application thereof
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorJiajia Luo
Life of this patent
Estimating the term…
Abstract
The present invention provides a thermally activated delayed fluorescence (TADF) material, which is composed of a molecular compound having an ultra-fast reverse intersystem crossing rate, and when the TADF material serves as a host material in light-emitting layers of electroluminescent devices, both the resulting blue light fluorescence device and phosphorescent electroluminescent device can achieve very high efficiency.
Claims9
A dark blue light thermally activated delayed fluorescence (TADF) material;
- comprising at least one of a Compound 1 and a Compound 2 having a molecular structures respectively as follows:
An electroluminescent device comprising a light-emitting layer;
- wherein a material of the light-emitting layer comprises at least one of Compound 1, Compound 2 and Compound 3 having molecular structures respectively as follows:
Dependencies are inferred from the claim text.