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US 11,600,784 B2Granted
Organic light emitting display device
AssigneeLG Display Co., Ltd.
InventorsShinhan Kim, Dohan Kim, Min Yun, Seunghee Yoon
Life of this patent
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Abstract
An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts between an anode and a cathode and each having a light emitting layer. At least one of the at least two or more light emitting parts includes an organic layer. The organic layer is formed of a compound comprising a functional group that reacts with alkali metals or alkali earth metals and a functional group with electron transport properties.
Claims18
An organic light emitting display device comprising
- at least two or more light emitting parts between an anode and a cathode and each comprising a light emitting layer,
- at least one of the at least two or more light emitting parts comprising an organic layer,
- wherein the organic layer is formed of a compound represented by one of the Chemical Formulae 3, 4, or 5,
- wherein Ar3 includes a substituted or unsubstituted aromatic or heteroaromatic compound of 6 to 12 carbon atoms that has a molecular weight of 70 to 150.
1 more element
Dependencies are inferred from the claim text.