A light-emissive device comprising: a light-emissive region (12); a first electrode (10) located on a viewing side of the light-emissive region for injecting charge carriers of a first type: and a second-electrode (11) located on a non-viewing side of the light-emissive region for injecting charge carriers of a second type; and wherein there is a reflectivity-influencing structure (13) located on the non-viewing side of the light-emissive region and including a light absorbent layer comprising graphite and/or a fluoride or oxide of a low work function metal.
申请公布号
EP1147562(A1)
申请公布日期
2001.10.24
申请号
EP19990958360
申请日期
1999.12.07
申请人
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
发明人
BERGER, PAUL;BURROUGHES, JEREMY HENLEY;CARTER, JULIAN CHARLES;HEEKS, STEPHEN KARL