| 摘要 |
This substrate for organic electroluminescence is characterized by comprising a moulded article of a polyimide resin composition including at least a polyimide which includes at least 50 mol% of repeating units represented by general formula (1) (in general formula (1): R1 represents an ether bond, a sulfide bond, a sulfoxy bond, a methylene group, or an ethylene group; R2 and R3 each independently represent hydrogen, a methyl group, or a trifluoromethyl group; and R4 is a tetravalent organic group including an aromatic ring, and is represented by any of the following structures). In addition to being capable of being easily moulded by being applied as coating of a solution, the substrate, after having been moulded, achieves excellent transparency with few surface defects, and an excellent balance between organic solvent resistance, heat resistance, dimensional stability, and mechanical strength. |
