Lg Display Co., Ltd.

Lg Electronics Inc.

Jeong Dae Seo

Chun Gun Park

Kyung Hoon Lee

Hyun Cheol Jeong

Jung Keun Kim

Myung Seop Kim

Hyoung Yun Oh

Hee Jung Kim

Jong Kwan Bin

Sung Hoon Pieh

Jae Man Lee

Sang Tae Park

Eun Soo Cha

Chang Je Sung

Jong Moo Lee

Young Hoon Shin

Hyun Ju Choi

Sung Kab Kim

Chang Ho Hyeon

Won Jae Yang

Seon Keun Yoo

Ji Cheol Shin

Soon Ki Kwon

Jac Man Lee

Hyung Sun Kim

Sung Koo Lee

Sang Tac Park

Yun Hi Kim

Sung Ouk Jung

Jun Hwan Ahn

Sang Tae 209-1103 Mujigaemaeul Lg Apt Park

Sung-Ouk Jung

The present disclosure relates to an organic compound including a substituted or non-substituted phenanthroline moiety and a substituted or non-substituted anthracene moiety and being partially deuterated and an organic light emitting diode includes the organic compound. The organic compound has improved electron transporting property and/or the charge generation property. According, the emitting efficiency and the lifespan of the OLED and the organic light emitting display device including the organic compound in the ETL and/or the CGL are improved.

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

Disclosed herein are red phosphorescent compounds of the following formula:   

Red phosphorescent compounds and organic electroluminescent devices 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.

Red phosphorescent compound and organic electroluminescent device using the same

An organic electroluminescent (EL) device is provided which uses an electron-transport layer including hole blocking capability. The device includes a stack structure, with an emitting layer and an electron-transport layer provided between an anode and a cathode. The electron-transport layer is a mixture of at least two materials. This mixture may include an organic compound and one or more other organic compounds, or may include a metal or inorganic compound and one or more other metal or inorganic compounds, or may include one or more organic compounds and one or more metal or inorganic compounds. By incorporating a hole blocking capability into the electron-transport layer, structure and fabrication of the device is simplified and efficiency is increased.

Organic electroluminescence device and method for fabricating the same

An organic electroluminescent (EL) device having improved efficiency and service life is provided. The organic electroluminescent device has a stack structure including an emitting layer and an electron-transport layer positioned between an anode and a cathode. The electron-transport layer includes a first layer adjacent to the emitting layer which may be a mixture of at least two materials, and a second layer adjacent to the cathode which may be a mixture of at least two materials. The mixture of at least two materials may be a mixture of an organic compound and one or more other organic compounds, or may be a mixture of a metal or inorganic compound and one or more other metal or inorganic compounds, or may be a mixture of one or more organic compounds and one or more metal or inorganic compounds.

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.

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

A display device includes a transparent plate having a first area and a second area, a first conductive line on the second area of the transparent plate, a substrate having a third area and a fourth area on the first area of the transparent plate, a display element on the third area of the substrate, and a second conductive line on the fourth area of the substrate. The second conductive line is electrically coupled between the display element and the first conductive line, and the first and second conductive lines are on different planes.

Display 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 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.

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.

Growing community of inventors

Gwacheon-si, South Korea

Jeong Dae Seo