Lg Display Co., Ltd.

P.h.-tech, Inc.

Pnh Tech

Seon-Keun Yoo

Ji-Cheol Shin

Seung-Hee Yoon

Sung-Hoon Joo

Jeong-Dae Seo

Hee-Jun Park

Shin-Han Kim

Seong-Su Jeon

Sang-Beom Kim

Tae-Shick Kim

Ki-Woog Song

Dae-Wi Yoon

Do-Han Kim

Dong-Hyuk Kim

Sung-Hoon Pieh

Jung-Keun Kim

Youn-Seok Kam

Young-Jun Yu

Seok-Joon Oh

So-Young Jang

Ki-Dong Koo

Seo-Yong Hyun

Ha-Yeon Kim

Seok-Keun Yoon

Sun-Gi Kim

In-Ho Lee

Min-Gi Hong

The present disclosure relates to an organic compound, and an organic light emitting diode and an organic light emitting device including the same, more specifically, relates to an organic compound being represented by following Formula, an organic light emitting diode including the organic compound and an organic light emitting device including the organic light emitting diode. The organic compound is included in an electron transporting layer and/or a p-type charge generation layer of the organic light emitting diode.

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

The present disclosure relates to an organic light emitting diode including a first electrode; a second electrode facing the first electrode; a first p-type doping layer between the first and second electrodes; a second p-type doping layer between the first p-type doping layer and the second electrode; a third p-type doping layer between the second p-type doping layer and the second electrode; a first emitting material layer between the first and second p-type doping layers; a second emitting material layer between the second and third p-type doping layers; and a third emitting material layer between the third p-type doping layer and the second electrode, wherein an electrical conductivity of the third p-type doping layer is greater than an electrical conductivity of the first p-type doping layer and is equal to or smaller than an electrical conductivity of the second p-type doping layer.

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

The present disclosure provides an organic compound of the following formula and an organic light emitting diode and an OLED device including the same.

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

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.

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 organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.

Organic compound, light emitting diode and light emitting device having the compound

The present invention provides an electroluminescent compound of one of following formulas Formula 1 and Formula 2. Another aspect of the invention is an electroluminescent device including a first electrode; a second electrode facing the first electrode; and at least one organic material layer between the first and second electrodes, wherein one or more of the at least one organic material layer includes the electroluminescent compound. 

Electroluminescent compound and electroluminescent 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.

An organic light emitting display device includes first and second electrodes facing each other on a substrate, at least one emission layer formed between the first and second electrodes, a hole transport layer formed between the first electrode and the emission layer, and an electron transport layer formed between the second electrode and the emission layer, wherein the emission layer includes a first emission mixed layer formed on the hole transport layer, the first emission mixed layer including a first hole-type host and a first phosphorescent dopant, and a second emission mixed layer formed between the first emission mixed layer and the electron transport layer, the second emission mixed layer including a first electron-type host and a second phosphorescent dopant.

Growing community of inventors

Gunpo-si, South Korea

Seon-Keun Yoo