Lg Display Co., Ltd.

Seung-Hee Yoon

Seon-Keun Yoo

Ji-Cheol Shin

Sung-Hoon Joo

In-Bum Song

Shiren Kazushi

Sasada Yasuyuki

Shin-Han Kim

Sang-Beom Kim

So-Young Jang

Do-Han Kim

Jeong-Dae Seo

Jung-Keun Kim

Jin-Ho Park

Yoon-Deok Han

Dong-Hyeok Lim

Ki-Dong Koo

The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first host, a second host and a first blue dopant and positioned between the first and second electrodes, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.

Organic light emitting diode and organic light emitting device including the same

The present disclosure relates to an organic light emitting device. In particular, the present disclosure relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer comprising an anthracene-based host substituted with at least one deuterium and a boron-based dopant, at least one electron blocking layer comprising an aryl-substituted amine-based compound, and optionally at least one hole blocking layer comprising at least one of an azine-based compound and a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.

Organic light emitting device

The present disclosure relates to an organic light emitting device that includes a substrate; and an organic light emitting diode positioned on the substrate and including a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first host of an anthracene derivative and a first dopant of a boron derivative and positioned between the first and second electrodes, wherein an anthracene core of the first host is deuterated.

The present invention relates to an organic light emitting device. In particular, the present invention relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer comprising an anthracene-based host substituted with at least one deuterium and a boron-based dopant, at least one electron blocking layer comprising an amine-based compound substituted with aryl group, and optionally at least one hole blocking layer comprising at least one of an azine-based compound and a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.

An example of the present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

Organic compound, and organic light emitting diode and organic light emitting display device including the same

Embodiments of the present invention provide an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.

An embodiment of the present invention provides an organic compound represented by: and an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention includes a phenanthroline core, which has a nitrogen atom of a relatively electron rich sphybrid orbital, and a phosphine oxide moiety, which has an excellent electron transporting property and an excellent thermal stability. The electron transporting property of the organic compound of the present invention is improved based on the chemical structure of the organic compound. Accordingly, when the organic compound is used for the organic light emitting diode and the organic light emitting display device, the driving voltage is reduced, and the lifetime and the emitting efficiency are improved.

The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1. 

Organic compound and light emitting diode and organic light emitting diode display device using the same

An embodiment of the present invention provides an organic compound represented by following Formula: 

The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1.  This organic compound has the advantages in the thermal stability, the emission property, the color purity, the hole transport property and the hole movement property, and thus the lifetime, the emission efficiency and the emission property of the LED using the same are improved.

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Seoul, South Korea

Seung-Hee Yoon