| 摘要 |
The present invention relates to a polyamic acid solution, an imidization film, and a display device, and discloses a polyamic acid solution which is a reaction product of dianhydrides and aromatic diamines and has a thermal expansion coefficient of 10 ppm/° C. or less in a temperature range of 50 to 540° C., after forming an imidization film, an imidization film thereof, and a display device including the same. The present invention may provide a display having excellent thermal stability, proper flexibility, and mechanical strength by applying the polyamic acid solution. |
