A multilayered OLED cathode comprises two metal layers having a work function greater than 3.7eV (eg silver and aluminium). The device may also comprise an electron injection layer comprising Ba, Ca, BaO or NaF.
申请公布号
GB2459895(A)
申请公布日期
2009.11.11
申请号
GB20080008455
申请日期
2008.05.09
申请人
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED;SUMATION COMPANY LIMITED
