Lg Display Co., Ltd.

Sunghoon Joo

Seonkeun Yoo

Hyoseok Kim

Min Ro Yun

Hyeseung Kang

Jeongdae Seo

Seunghee Yoon

Seongkee Park

Dohan Kim

JungSoo Park

Jungkeun Kim

Jinok Hwang

Jonghyun Park

Byungsoo Kim

Shinhan Kim

ChangWook Han

EunJung Park

Hanbyeol Seok

Kiyong Kim

Seunghoon Ryu

Eunjung Park

Taeyoun Kim

Min Seong Yun

Seunkeun Yoo

Disclosed is an organic light emitting diode. The organic light-emitting diode comprises at least one light-emitting part between an anode and a cathode, wherein the at least one light-emitting part has at least one organic layer and an emissive layer. The at least one organic layer is composed of a compound having one or more heteroatoms, and the compound has an energy level due to the heteroatoms and conductive characteristics due to the energy level.

Organic light-emitting diode

An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts each having a light emitting layer and an electron transport layer; and a charge generation layer between the at least two or more light emitting parts. The charge generation layer comprises a compound that includes a core with two nitrogen atoms and a functional group having crystallinity.

Organic light emitting display device

An organic light emitting display device is disclosed. The organic light emitting display device includes at least two light emitting parts each including a light emitting layer and an electron transport layers, and at least one charge generation layer between the light emitting parts, wherein at least one among the charge generation layer or the electron transport layer includes a compound having nitrogen atoms and a substituent for enhancing electron mobility.

An organic light emitting display device is provided. The organic light emitting display device includes at least one light emitting part between an anode and a cathode and having at least one light emitting part between an anode and a cathode and having at least one organic layer and a light emitting layer. The at least one organic layer includes a compound having a core with one or more nitrogen atoms and at least one other core with relatively high electronegativity.

An organic light emitting display device is discussed. The organic light emitting display device can include at least two or more light emitting parts each including a light emitting layer and an electron transport layer; and a charge generation layer between the two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.

An organic light emitting display device is disclosed. The organic light emitting display device comprises at least two light emitting parts between an anode and a cathode, each of the light emitting parts having a light emitting layer and an electron transport layer, charge generation layers between the at least two light emitting parts, wherein at least one among the electron transport layers in the at least two light emitting parts includes a pyrimidine derivative at both sides of the core so as to reduce a driving voltage and increase an efficiency of the organic light emitting display device.

An organic light emitting display device is discussed. The organic light emitting display device in one embodiment includes at least one light emitting part between an anode and a cathode, and including at least one organic layer and a light emitting layer, wherein the organic layer includes a compound having one or more nitrogen atoms and a substituent with relatively high electron mobility.

An organic light emitting display device is disclosed. The organic light emitting display device comprises an emitting layer over an anode, the light emitting part having an emitting layer and an electron transporting layer, and a cathode on the light emitting part, wherein each of the emitting layer and the electron transporting layer includes a compound with the same core to facilitate electron transport from the electron transporting layer to the emitting layer.

Dye-sensitized solar cell and a manufacturing method for the same are disclosed. Dye-sensitized solar cell according to one embodiment of this document can comprise a first substrate including a first electrode, a photo-absorption layer positioned on the first substrate, and a second substrate including a second electrode, the second substrate positioned on the photo-absorption layer and the photo-absorption layer including a middle layer where a plurality of holes are formed.

Dye-sensitized solar cell and manufacturing method for thereof

Dyes for dye-sensitized solar cell are provided. Each of the dyes for a dye-sensitized solar cell according to an embodiment has a chemical structure: wherein each of X and Y may comprise a substituent, comprising aromatic hydrocarbon groups which are respectively independently substituted or unsubstituted, aromatic heterocyclic groups which are substituted or unsubstituted, and a combination thereof, Z may comprise aromatic hydrocarbon groups which are substituted or unsubstituted, heterocyclic groups which are substituted or unsubstituted, vinyl groups, and polyvinyl groups which are substituted or unsubstituted, and A may comprise acid functional groups.

Dyes for dye sensitized solar cell

Dyes for a dye-sensitized solar cell are provided. The dyes for a dye-sensitized solar cell have a structure of wherein each of X and Y independently comprises a substituent, comprising a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, and combinations thereof, and at least one of the X and Y comprises an aromatic group which are substituted a pyrene derivative substituted with an alkyl group or an aryl group, and Z comprises a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted heterocyclic group, a vinyl group, and a substituted or unsubstituted polyvinyl group, and A comprises an acid functional group.

Growing community of inventors

Paju-si, South Korea

Sunghoon Joo