申请人:Lietzau Lars
                            
                            
                                公开号:US20080058537A1
                            
                            
                                公开(公告)日:2008-03-06
                            
                            The present invention relates to cyclopenta[b]naphthalene derivatives to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising at least one of these cyclopenta[b]naphthalene derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media.