abstract |
The present invention relates to general formula (I) [Chemical 1] In which Z, A, n, R, L 5 and L 6 and (II) [Chemical formula 2] And (III) [Chemical 3] Is as defined in claim 1; And the use thereof in liquid crystals or mesogenic media, liquid crystals or mesogenic media containing at least one of these cyclopenta [b] naphthalene derivatives, and electricity containing these liquid crystals or mesogenic media The present invention relates to an optical display element. |