摘要 |
Provided are a color conversion film that maintains sufficient converted light intensity over a long period of time without increasing its thickness and a multicolor light-emitting organic EL device that includes the color conversion film. The color conversion film contains a conjugated high molecular weight copolymer having a structure of formula (1) that has alternating fluorene group-containing repeating units and arylenevinylene repeating units, and has phenylene groups inserted as spacers on both ends of the fluorene groups
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