Lg Display Co., Ltd.

Lg Electronics Inc.

Chun Gun Park

Jeong Dae Seo

Kyung Hoon Lee

Jung Keun Kim

Hyun Cheol Jeong

Myung Seop Kim

Hyoung Yun Oh

Jong Kwan Bin

Sung Hoon Pieh

Hee Jung Kim

Jae Man Lee

Sung Kab Kim

Jong Geun Yoon

Young Soo Han

Jae Woo Kyung

Hyung Yun Oh

Sae Tae Park

Do Han Kim

Jong-Hyun Park

Seung Jae Lee

Nam Sung Cho

Jong-Kwan Bin

Sang Tae Park

In Bum Song

Dong-Hee Yoo

Soon Ki Kwon

Soon Wook Cha

Sung Koo Lee

Jun Hwan Ahn

Tae Han Park

Sung Ouk Jung

Yun Hi Kim

Yong Kwan Kim

Hyung Sun Kim

Hyun-cheol Jeong

Sang Tae 209-1103 Mujigaemaeul Lg Apt Park

Sung-Ouk Jung

Disclosed herein are red phosphorescent compounds of the following formula:   

Red phosphorescent compounds and organic electroluminescent devices 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: 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

The invention relates to a red phosphorescent compound represented by the following Formula (1) and an organic electroluminescent (EL) device using the same: wherein 

Red phosphorescent compound and organic electroluminescent device using the same

Disclosed is an organic electroluminescent device comprising a structure having an anode, an emitting layer, and a cathode stacked therein, wherein a fluorescent compound represented by Formula 1 is used as a emitting material of the emitting layer or used as a dopant of the emitting layer:  wherein Aand Aare independently selected from a substituted or unsubstituted C-Caliphatic group, a C-Caromatic group and a C-Cheterocyclic group containing N, S or O, Ais selected from a substituted or unsubstituted C-Caliphatic group, a C-Caromatic group, a C-Cheterocyclic group containing N, S or O, and a hydrogen atom, and substituents of A, Aand Aare respectively one or more and the substituent is selected from the group consisting of C-Calkyl, C-Calkoxy, C-Calkylamino, C-Calkylsilyl, a halogen atom, C-Caryl, C-Caryloxy, C-Carylamino, C-Carylsilyl and a hydrogen atom.

Organic electroluminescence device

A red phosphorescent compound of Formula I:   and R1, R2, R3, R4 and R5 are as defined in the specification.

Disclosed herein is a red phosphorescent compound of the following Formula 1:  is includes a phenyl part and a quinoline part, the quinoline part has one substituent selected from a C-Calkoxy group and the phenyl part has substituents independently selected from hydrogen, C-Calkyl groups and C-Calkoxy groups, and is selected from 2,4-pentanedione, 2,2,6,6-tetramethylheptane-3,5-dione, 1,3-propanedione, 1,3-butanedione, 3,5-heptanedione, 1,1,1-trifluoro-2,4-pentanedione, 1,1,1,5,5,5-hexafluoro-2,4-pentanedione, and 2,2-dimethyl-3,5-hexanedione.

An organic EL device is disclosed, which has an organic multilayer between a first electrode and a second electrode, the organic multilayer comprising a hole injection layer formed on the first electrode, and formed of a mixture of at least one selected from organic materials and at least one selected from inorganic materials; a hole transport layer having at least one layer on the hole injection layer; and an emitting layer formed on the hole transport layer.

Organic el device

Disclosed herein are red phosphorescent compounds of the following one of Formulas 1 to 3  R1 and R2 are independently a C-Calkyl group, R3, R4, R5 and R6 are independently selected from hydrogen, C-Calkyl groups and C-Calkoxy groups, R1, R2, R3 and R4 are independently selected from C-Calkyl groups and C-Calkoxy groups, R1, R2, R3 and R4 are independently selected from hydrogen, C-Calkyl groups and C-Calkoxy groups, and is selected from 2,4-pentanedione, 2,2,6,6,-tetramethylheptane-3,5-dione, 1,3-propanedione, 1,3-butanedione, 3,5-heptanedione, 1,1,1-trifluoro-2,4-pentanedione, 1,1,1,5,5,5-hexafluoro-2,4-pentanedione and 2,2-dimethyl-3,5-hexanedione.

Disclosed is an organic electroluminescent device including a substrate, a first and a second electrode, and an emitting layer formed between the first electrode and the second electrode. The emitting layer includes a plurality of materials which is a blue emitting material using a following chemical formula as dopant.  In this case, at least one of Aand Ais selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.

Organic electroluminescent device

Red phosphorescence compounds and organic electro-luminescence device using the same are disclosed. In an organic electroluminescence device including an anode, a hole injecting layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injecting layer, and a cathode serially deposited on one another, the organic electroluminescence device may use a compound as a dopant of the light emitting layer. 

Red phosphorescence compounds and organic electroluminescence device using the same

An organic electroluminescence device is disclosed which comprises an emitting layer and a hole blocking layer disposed between an electron injecting electrode (cathode) and a hole injecting electrode (anode), the material for the hole blocking layer being expressed by the following chemical formula 1:  The organic electroluminescence device can improve the luminescence and driving characteristics.

Disclosed is an organic electroluminescent device including a substrate, a first and second electrode formed on the substrate, and a light-emitting layer formed between the first electrode and the second electrode. The light-emitting layer includes a plurality of materials which is a green luminescent material using a following chemical formula as a dopant. In this case, at least one of Aand Ais selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.

Disclosed is an organic electroluminescent device including a substrate, a first and second electrodes, and a light-emitting layer formed between the first electrode and the second electrode, and a hole-blocking layer formed between the light-emitting layer and the second electrode and using a material of a chemical formula 1. In this case, at least one of Aand Ais selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, halogen, and hydrogen.

An organic electroluminescence device is disclosed, to realize improvement of luminance and decrease on driving voltage, which includes an anode, a hole injecting layer, a hole transport layer, an emitting layer, and a cathode, wherein, the hole injecting layer and the hole transport layer are formed of the material expressed by the following chemical formula 1: 

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Seoul, South Korea

Chun Gun Park