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US 2022/0102640 A9Published application
Organic Light Emitting Display Device
AssigneesLG Display Co., Ltd., LG Chem, Ltd.
InventorsJungkeun KIM, Dohan KIM, Jeongdae SEO, Hyoseok KIM, Heungwoo CHOI, Wanpyo HONG
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Abstract
An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.
Claims20
An organic light emitting display device, comprising:
- at least one light emitting part between an anode and a cathode,
- wherein the at least one light emitting part comprises at least one organic layer,
- wherein the at least one organic layer comprises a first P-type charge generation layer,
- wherein the first P-type charge generation layer comprises a compound represented by Chemical Formula 1:
- wherein each of R1 and R4 is independently one among a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethoxy group, and a trimethylsilyl group, and
- wherein each of R2, R3, R5 and R6 is independently one among hydrogen, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group,
- wherein at least one or more of R1 to R6 is a cyano group,
- wherein Z1 and Z2 are independently represented by the following Chemical Formula 2:
- wherein each of A and B is independently one among a hydrogen atom, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group.
6 more elements
An organic light emitting display device, comprising:
- a hole injection layer on an anode;
- a hole transport layer on the hole injection layer;
- a light emitting layer on the hole transport layer;
- an electron transport layer on the light emitting layer;
- and
- a cathode on the electron transport layer,
- wherein the hole injection layer comprises a compound represented by Chemical Formula 1:
- wherein each of R1 and R4 is independently one among a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethoxy group, and a trimethylsilyl group, and
- wherein each of R2, R3, R5 and R6 is independently one among hydrogen, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group,
- wherein at least one or more of R1 to R6 is a cyano group,
- wherein Z1 and Z2 are independently re resented by the following Chemical Formula 2:
- wherein each of A and B is independently one among a hydrogen atom, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group.
9 more elements
Dependencies are inferred from the claim text.