Disclosed is a polymer material capable of improving luminescence lifespan of an electroluminescence device, particularly a quantum dot light emitting device, wherein the polymer material includes a segment of an alternating copolymer of a structural unit of a specific structure and has a glass transition temperature of greater than or equal to about 50°C and less than or equal to about 250°C.
公开了一种能够提高电致发光器件(尤其是量子点发光器件)发光寿命的聚合物材料,其中聚合物材料包括特定结构单元的交替共聚物段,其
玻璃化转变温度大于或等于约 50°C 且小于或等于约 250°C。