Morgan, Lewis & Bockius LLP
Organic light emitting display device
An organic light emitting display device is disclosed. The organic light emitting display device comprises an anode, an organic layer over the anode, and a cathode over the organic layer. The organic layer may include a heterocyclic compound. Alternatively, the organic layer may include a spirobisfluorene compound with hole transfer properties and a material with electron transfer properties.
LG Display Co., Ltd.
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Hyoseok DoHan Min SeungHee JungKeun
Kim Kim Yun Yoon Kim