| abstract |
The invention relates to fused naphthalenes of the general formula I in which A<SUB>1</SUB>, A<SUB>2</SUB>, A<SUB>3</SUB>, A<SUB>4</SUB>, Q<SUB>1</SUB>-Q<SUB>2</SUB>, G<SUB>1</SUB>-G<SUB>2</SUB>, R<SUB>1</SUB>, R<SUB>2</SUB>, X<SUB>1</SUB>, X<SUB>2</SUB>, X<SUB>3,</SUB> X<SUB>4</SUB>, X<SUB>5</SUB>, Z<SUB>1</SUB>, Z<SUB>2</SUB>, Z<SUB>3</SUB>, Z<SUB>4</SUB>, q, r, s and t are each as defined, and to their use as components of liquid-crystalline media, and to an electrooptical display element comprising them. |