Lg Display Co., Ltd.

Jung-Keun Kim

Do-Han Kim

Seung-Jae Lee

Soon-Wook Cha

In-Bum Song

Jong-Kwan Bin

Chun-Gun Park

Nam-Sung Cho

Tae-Shick Kim

Jong-Hyun Park

Kyung-Hoon Lee

Jeong-Dae Seo

Eun-Jung Park

Ji-Cheol Shin

Hyun-Cheol Jeong

Wook Song

Dong-Hee Yoo

Tae-Han Park

Joong-Hwan Yang

Bo-Min Seo

Sung-Kil Hong

Mi-Young Han

Seon-Keun Yoo

Seung-Hee Yoon

Wan-Pyo Hong

In-Sun Yoo

Hyoung-Yun Oh

Sang-Duk Suh

Joo-Yong Yoon

Heung-Woo Choi

Ki-Dong Koo

Jae-Hyung Yu

Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.

White organic light-emitting device and display device using the same

A display device, includes a substrate having at least two colored subpixels and a white subpixel separately arranged thereon; a first anode having a first thickness at each of the colored subpixels on the substrate; a second anode, having a thickness smaller than the first thickness, at the white subpixel on the substrate; an organic stack comprising a first stack having a first blue emission layer, a second stack having a second blue emission layer, and a third stack having at least one of emission layers having a longer wavelength than the blue emission layers, which are provided in sequence on the first anode in the colored subpixel and the second anode in the white subpixel; a cathode over the organic stack; and a compensation pattern between the second anode and the substrate.

Display device including white organic light-emitting device

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.

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: wherein each of Rto Ris independently selected from hydrogen, substituted or non-substituted Cto Caryl, substituted or non-substituted Cto Cheteroaryl, substituted or non-substituted Cto Calkyl, substituted or non-substituted Cto Calkoxy, ether, cyano group (CN), fluorine, tri-fluoro methyl, tri-fluoro methoxy and trimethylsilyl, and at least one of Rto Ris the cyano group, and wherein at least one of Rto Ris the cyano group, and A is selected from substituted or non-substituted Cto Caryl and substituted or non-substituted Cto Cheteroaryl. The present invention also provides an organic light emitting diode and an 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

The present invention provides a phosphorescent compound of following formula: 

Phosphorescent compound and organic light emitting diode device using the same

A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein the is one of and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.

Red phosphorescent composition and organic electroluminescent device using the same

A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: [Formula 1] wherein each of the R1, the R2, the R3, the R4, and the R5 is selected from hydrogen, fluorine, C1-C6 substituted or non-substituted alkyl group, C6-C30 substituted or non-substituted aromatic group, and C6-C30 substituted or non-substituted heterocyclic group, and two of the R1, the R2, the R3, the R4 and the R5 are fluorine and wherein the R6 is selected from the C6-C30 substituted or non-substituted aromatic group, and the C6-C30 substituted or non-substituted heterocyclic group.

Blue fluorescent composition and organic electroluminescent device using the same

The present invention relates to a blue fluorescence compound which enables to achieve high brightness, a long lifetime and high efficiency; and an organic electroluminescence device thereof.

Blue fluorescence compound and organic electroluminescence device using the same

A red phosphorescent composition includes a host material being capable of transporting an electron or a hole; and a dopant material represented by the following Formula 1: wherein each of R1 to R4 is selected from the group consisting of hydrogen atom (H), C1 to C6 alkyl and C1 to C6 alkoxy, and at least one of R1 to R4 is C1 to C6 alkyl, and wherein each of R5 to R7 is selected from the group consisting of hydrogen, C1 to C6 alkyl and halogen atom, and at least one of R5 to R7 is halogen atom, and wherein each of X and Y is selected from the group consisting of H, non-substituted C1 to C6 alkyl and C1 to C6 alkyl substituted by fluorine.

Disclosed is an organic light emitting material having the following chemical formula, for improving luminous efficiency, 

Organic light emitting material and organic light emitting device using the same

A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.

A red phosphorescent compound, includes a host material being capable of transporting an electron or a hole; and a dopant material represented by the following formula 1: wherein each of R1 to R4 is selected from the group consisting of hydrogen atom (H), C1 to C6 alkyl and C1 to C6 alkoxy, and at least one of R1 to R4 is C1 to C6 alkyl, and wherein each of R5 to R7 is selected from the group consisting of hydrogen, C1 to C6 alkyl and pyrrole, and at least one of R5 to R7 is pyrrole, and wherein each of X and Y is selected from the group consisting of H, non-substituted C1 to C6 alkyl and C1 to C6 alkyl substituted by fluorine.

Growing community of inventors

Seoul, South Korea

Jung-Keun Kim