Sfc Co., Ltd.

Hodogaya Chemical Co., Ltd.

Samsung Display Co., Ltd.

Bong-Ki Shin

Shuichi Hayashi

Se-Jin Lee

Takeshi Yamamoto

Jong-Tae Je

Byung-sun Yang

Shunji Mochiduki

Su-jin Kim

Ji-hwan Kim

Oun-gyu Lee

Naoaki Kabasawa

Ju-man Song

Yuta Hirayama

Hyeon Jun Jo

Sungeun Choi

Kyung-Hwa Park

Sung-eun Choi

Shunji Mochizuki

Ji-Hwan Kim

Oun-Gyu Lee

Sung Woo Kim

Dong-Hyun Kim

Mi-Kyung Kim

Hwan-Hee Cho

Norimasa Yokoyama

Se-Hun Kim

Soon-Wook Cha

Young-Hwan Park

Seok-bae Park

Yoona Shin

Kazuyuki Suruga

Daizou Kanda

Soon-wook Cha

Seung-Soo Lee

Hee-dae Kim

Yu-rim Lee

Seok-Bae Park

Hyeon-jun Jo

Sung-hoon Joo

SungHoon Joo

Goutam Masanta

Jiwon Lee

Bu-Bae Park

Tae Young Kim

Dong Myung Park

Moon-Chan Hwang

Seongeun Woo

Do-Min Lee

Yu-Rim Lee

Daizo Kanda

Tae-Young Kim

Byung-Sun Yang

Soo-kyung Kang

Seong-eun Woo

Ji-Hee Park

Do-min Lee

Su-Jin Kim

Sung Hoon Joo

Tea-hee Lee

Hee-Jung Yang

Seon-Gi Min

Sunghoon Joo

Ju-Man Song

Hee Dae Kim

Sung-Eun Choi

Hyeon-Jun Jo

Sung-Hoon Joo

Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.

Polycyclic compound and organic light emitting device using the same

An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.

Organic light-emitting element using polycyclic aromatic derivative compound

The present invention provides various organic electroluminescent elements using a material for a capping layer and a material for a luminous layer, in which the material for a capping layer uses an arylamine material that exhibit excellent stability and durability in the form of a thin film, especially a specific amine compound having a high refractive index and having a high absorbance within a wavelength range from 400 nm to 410 nm in the absorption spectrum at a concentration of 10mol/L; and in which the material for a luminous layer uses a compound containing a heterocyclic compound that has a specific fused ring structure.

Organic electroluminescent element

The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

Polycyclic compound and organoelectro luminescent device using same

Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.

Polycyclic aromatic compounds and organic electroluminescent devices using the same

The present disclosure relates to a quencher having a quenching effect on a fluorescent material exhibiting luminescence characteristics at an excited energy level, and various uses thereof.

Quencher and use thereof

There is provided an organic electroluminescence device, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence device being characterized in that the hole transport layer contains an arylamine compound represented by formula (1), and the light-emitting layer contains a heterocyclic compound having a fused ring structure represented by formula (2) or a heterocyclic compound having a fused ring stricture represented by formula (3), wherein each of formulas (1), (2) and (3) are set forth in the specification.

Organic electroluminescence device

The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.

Labeling dye and kit including same

Disclosed herein is an organic light emitting diode comprising a compound represented by Chemical Formula A or B and an anthracene derivative represented by Chemical Formula H. Here, Chemical Formulas A, B, and H are as described in the specification.

Light emitting diode including boron compound

The present invention relates to: a novel merocyanine-based compound which exhibits a fluorescence signal at a visible light region of at least 380 nm, and which may be used for detecting biomolecules; and a biomolecular labeling dye, kit and contrast agent composition comprising the same.

Merocyanine-based compound and biomolecular labeling dye, kit and contrast agent composition comprising same

According to the present invention, there is provided an organic electroluminescent device which has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode arranged in order of description. The device is characterized in that: the hole transport layer includes a specific arylamine compound, and that the luminous layer includes a specific indenoindole derivative or a specific carbazole derivative. The organic EL device of the present invention has improved efficiency of hole transport from the hole transport layer to the luminous layer and also improved efficiency of electron transport from the electron transport layer to the luminous layer, in comparison to conventional organic EL devices.

A heterocyclic compound is represented by Formula 1. In Formulae 1, 1a, and 1b, two adjacent groups among Ato Aare each independently connected with a respective * of Formulae 1a or 1b to form a ring, where each * is a carbon atom of Formula 1. An organic light-emitting device includes the heterocyclic compound. 

Heterocyclic compound and organic light-emitting device including the same

The organic EL device of the present invention has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The hole transport layer includes an arylamine compound represented by the following general formula (1): 

The present invention relates to dye compounds represented by Formulae I and II, which are described in the specification. The dye compounds of the present invention have markedly improved quantum yields and emit strong fluorescence compared to existing cyanine dyes. Due to these advantages, the dye compounds of the present invention can find applications in various fields, for example, as probes for various biological systems where optical imaging is required. Particularly, the dye compounds of the present invention can be used as mitotrackers capable of labeling and tracking mitochondria. Therefore, the dye compounds of the present invention can be used to quantitatively image mitochondria in live tissues and cells. Furthermore, the dye compounds of the present invention can be applied as pH probes for measuring the pH of live cells.

Dye compounds

Growing community of inventors

Cheongju-si, South Korea

Bong-Ki Shin