Lg Chem, Ltd

Jae Seung Ha

Sang Duk Suh

Minseung Chun

Sung Kil Hong

Wanpyo Hong

Seong So Kim

Woochul Lee

Jiwon Kwak

Dong Uk Heo

Joo Ho Kim

Ji Young Choi

Yeon Hwan Kim

Sung Jae Lee

Hoon Jun Kim

Dong Hoon Lee

Min Woo Jung

Yongbum Cha

Jungha Lee

Boon Jae Jang

Sang Young Jeon

Sunghyun Hwang

Jin Joo Kim

Nansra Heo

Dongheon Kim

Sujeong Geum

Hyungjin Lee

Seong Mi Cho

Jun Woo Yun

Woo Jin Cho

Hongsik Yoon

Heungwoo Choi

Yong Bum Cha

Seonwoo Kim

Hyeon Jin Mun

Da Jung Lee

Hojung Lee

A compound of Chemical Formula 1: and an organic light emitting device including the same.

Compound and organic light emitting device comprising same

The present disclosure relates to a compound of Chemical Formula 1, and a composition and an organic light emitting device including the same. The composition including the compound or a cured material thereof is included in an organic material layer of the organic light emitting device.

Compound, composition comprising same, and organic light emitting diode comprising same

Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.

Organic electroluminescent device

Provided is an organic light-emitting device including: an anode; a cathode facing the anode; two or more light-emitting layers provided between the anode and the cathode and each having a maximum light emission peak of ≤500 nm (≤500 nm emission layer); and a light-emitting layer provided between the two or more ≤500 nm emission layers, and having a maximum light emission peak at >500 nm (>500 nm emission layer), where a distance from the anode to the ≤500 nm emission layer most adjacent to the anode is 100 nm to 200 nm, the distance from the anode to the ≤500 nm emission most adjacent to the cathode is three to four times the distance from the anode to the ≤500 nm emission layer most adjacent to the anode, and an N-type charge generation layer including an alkali metal and a P-type charge generation layer including a material with an electron affinity of ≥4.8 eV are provided between each of the ≤500 nm emission layers and the emission >500 nm emission layer.

Organic light-emitting device

Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; and organic material layers including a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer, one or more layers of the organic material layers disposed between the anode and the light emitting layer, and one or more layers from among the organic material layers disposed between the cathode and the light emitting layer, each include one or more compounds each composed of sp3 carbon as a center, the light emitting layer includes a host including one or more anthracene-based compounds, and among organic materials included in the organic material layers, the bandgap energy (E) of each of the organic materials except for a dopant compound is 3 eV or more.

Provided is an organic light emitting device that includes an anode, a cathode provided to face the anode, and one or more light emitting units provided between the anode and the cathode, wherein the organic light emitting device includes a charge generation layer provided between the anode and the one light emitting unit, or between the two light emitting units adjacent to each other among the light emitting units, the charge generation layer comprises a p-type charge injection layer, a p-type charge generation layer, or a layer which simultaneously injects and generates p-type charges, and the p-type charge injection layer, the p-type charge generation layer, or the layer which simultaneously injects and generates p-type charges has electric conductivity of 1×10S/cm or more.

Organic light emitting element

An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.

Organic light emitting device

Provided is a compound of Chemical Formula 1:

Provided is an amine based compound of Chemical Formula 1: and an organic electroluminescent device comprising the same. The amine based compound can be used as a material of an organic material layer of an organic electroluminescent device, and can achieve an improvement of the efficiency, a low driving voltage and/or an improvement of the lifetime characteristic when applied to the organic electroluminescent device.

Amine based compound and organic light emitting device comprising the same

The present specification relates to a spiro structure compound and an organic light emitting device including the same.

Spiro-type compound and organic light emitting diode comprising same

The present specification provides a compound of Chemical Formula 1, and an organic light emitting device including the same. The compound of Chemical Formula 1 used in one or more organic material layers of an organic light emitting device provides enhanced efficiency, lowered driving voltage, and increased lifetime of the device.

Amine-based compound and organic light emitting device comprising same

The present specification provides an amine compound and an organic light emitting device including the same.

Amine compound and organic light-emitting device comprising same

The present specification provides a double spiro structured compound and an organic light emitting device including the same.

Growing community of inventors

Daejeon, South Korea

Jae Seung Ha