Abstract: The present disclosure relates to a phosphorus compound represented by the following Chemical Formula 1. In the above Chemical Formula 1, Ar is aryl and R1, R2, R3, R4, R5, and R6 are each independently H, substitutable linear or branched C1-C20 alkyl and substitutable C6-C20 aryl, the aryl includes a member selected from the group consisting of phenyl, biphenyl, naphthalene, fluorene, anthracene, phenanthrene, pyrene, fluoranthen, chrysene, benzofluoranthen, perylene, quinoline, indenoanthracene, indenophenanthrene, hydroanthracene, dibenzothiophen, dibenzofuran, and combinations thereof, and the substitution is substitution with C1-C6 alkyl or C6-C20 aryl, but may not be limited thereto.

Abstract: The present disclosure relates to a phosphorus compound represented by the following Chemical Formula 1. In the above Chemical Formula 1, Ar is aryl and R1, R2, R3, R4, R5, and R6 are each independently H, substitutable linear or branched C1-C20 alkyl and substitutable C6-C20 aryl, the aryl includes a member selected from the group consisting of phenyl, biphenyl, naphthalene, fluorene, anthracene, phenanthrene, pyrene, fluoranthen, chrysene, benzofluoranthen, perylene, quinoline, indenoanthracene, indenophenanthrene, hydroanthracene, dibenzothiophen, dibenzofuran, and combinations thereof, and the substitution is substitution with C1-C6 alkyl or C6-C20 aryl, but may not be limited thereto.