Lg Chem, Ltd

Lg Display Co., Ltd.

Lg Chemical Co., Ltd.

Se-Hwan Son

Jun-Gi Jang

Jae-Soon Bae

Jae-Chol Lee

Seok-Hee Yoon

Kong-Kyeom Kim

Youn-Gu Lee

Kong-Kyeum Kim

Hyeon Sik Choi

Ji-Eun Kim

Min-Soo Kang

Sang-Young Jeon

Sung-Gap Im

Jung-Bum Kim

Hye-Young Jang

Jeoung-Kwen Noh

Ok-Hee Kim

Seokhee Yoon

Jung-Hyoung Lee

Tae-Yoon Park

Dae-Woong Lee

Young-Kyu Han

Changhee Lee

Sun-Ah Park

Sang-Ho Kim

Jong-Geol Kim

The present invention relates to an organic light emitting device that has a structure which is capable of maximally extracting light generated in the organic light emitting device to the outside. In detail, the organic light emitting device according to the present invention is characterized in that the organic light emitting device includes a high refractive index layer or an electrode that includes a light reuse pattern.

Organic light-emitting diodes (OLEDS) with high efficiency and its manufacturing method

The present invention provides an organic light emitting diode comprising a substrate; a transparent cathode; an anode; and an organic material layer interposed between the transparent cathode and the anode, wherein the organic material layer comprises a light emitting layer and an n-type doped electron transport layer, the n-type doped electron transport layer includes an electron transport material and an n-type dopant and is disposed between the transparent cathode and the light emitting layer, and a method for manufacturing the same.

Organic light-emitting diode and method of manufacturing the same

The present invention relates to a novel anthracene derivative and an organic electronic device using the same. An anthracene derivative that is represented by the following Formula 1: The anthracene derivative can act as a hole injecting, hole transporting, electron injecting and transporting, or light emitting material in an organic light emitting device and an organic electronic device. In particular, the anthracene derivative can act as a light emitting host. The organic electronic device according to the present invention has excellent characteristics in views of efficiency, the driving voltage, and the stability.

Anthracene derivative and an organic electronic device using the same

The present invention relates to a novel anthracene derivative and an organic electronic device using the same. The anthracene derivative can act as a hole injecting, hole transporting, electron injecting and transporting, or light emitting material in an organic light emitting device and an organic electronic device. In particular, the anthracene derivative can act as a light emitting host. The organic electronic device according to the present invention has excellent characteristics in views of efficiency, the driving voltage, and the stability.

Disclosed is an organic light emitting device comprising a first electrode, two or more organic compound layers, and a second electrode, wherein the first electrode comprises a conductive layer and an n-type organic compound layer which is in contact with the conductive layer, one of the organic compound layers interposed between the n-type organic compound layer of the first electrode and the second electrode is a p-type organic compound layer forming an NP junction together with the n-type organic compound layer of the first electrode, energy levels of the layers satisfy the following Expressions (1) and (2), and one or more layers interposed between the p-type organic compound layer and the second electrode are n-doped with alkali earth metal:0 eV&#x3c;&#x2266;4 eV&#x2003;&#x2003;(1)&#x2266;1 eV&#x2003;&#x2003;(2)

Organic luminescent device including a first electrode, two or more organic layers and a second electrode and a production method for the same

The present invention relates to a novel heterocyclic derivative and an organic light emitting device using the compound, and the heterocyclic derivative may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.

Heterocyclic derivative and organic light emitting device using same

The present invention provides a stacked organic light emitting diode that comprises a first electrode; a second electrode; and at least two light emitting units that are located between the first electrode and the second electrode. The light emitting unit satisfies the following energy relation equation, and includes an n-type organic layer and a p-type organic layer that form NP conjunction, and also includes an n-type doped organic layer that is located between the light emitting units:&#x2266;1 eV

Stacked organic light emitting diode

The present invention provides an organic light emitting diode comprising a substrate, a first electrode provided on the substrate, one or more organic material layers provided on the first electrode, a second electrode provided on the organic material layer, and a light extraction layer provided on the top portion of the second electrode, and a method for manufacturing the same. The organic light emitting diode according to the present invention minimizes total internal reflection of the light emitted from a device to improve the light emitting efficiency.

Organic LED and manufacturing method thereof

Disclosed is an organic light emitting device and a method of manufacturing the same. The organic light emitting device includes a base rod, and a plurality of organic light emitting units. Each of the plurality of organic light emitting units includes a first electrode formed on the base rod, an organic layer formed on the first electrode, and a second electrode formed on the organic layer. The plurality of organic light emitting units are formed in longitudinal direction of the base rod and come into continuous contact with each other. The first electrode of each of the organic light emitting units comes into contact with the second electrode of each of the organic light emitting units adjoining said first electrode of each of the organic light emitting units.

Organic light emitting device and method for manufacturing the same

The present invention provides an organic light emitting diode unit including: a bar-shaped organic light emitting diode body; a glass protective tube having at least one opening and housing the organic light emitting diode body; and at least one seal cover provided with a moisture absorbent at the side facing the opening and closes at least one opening of the glass protective tube, and a method of manufacturing the organic light emitting diode unit.

Organic light emittig diode unit and method for manufacturing the same

Disclosed are organic electroluminescent devices employing materials of a low reduction potential in a layer functioning hole-injection. The organic electroluminescent devices may employ an anode material having a relatively low work function. Aluminum may be used in anode. During the operation, the organic electroluminescent devices may form a virtual electrode in their internal area, which enhances injection of carriers from a nearby electrode. Use of aluminum in the anode helps construction of cathode-emission organic electroluminescent devices.

Electroluminescent devices with low work function anode

Disclosed is a novel group of compounds having a general structure of anthracene body substituted with at least one thiophenyl group, which can be further substituted with various substituent groups. These new compounds are generally compatible with organic electroluminescence. Also disclosed are organic electroluminescent devices and method of making the same. The organic electroluminescent devices include at least one of the compounds in various layers thereof. Organic electroluminescent devices employing the new compounds in their light-emitting layers show outstanding stability.

Organic compounds for electroluminescence and organic electroluminescent devices using the same

The present invention relates to electronic devices comprising an organic compound acting to inject or transport holes with p-type semi-conducting characteristics. The present invention provides for electronic devices comprising at least one or more layers selected from a group composed of a hole injecting layer, a hole transporting layer, and a hole injecting and transporting layer which comprises hexaazatriphenylene based organic compound represented by chemical formula (1), wherein the devices can use low drive-voltage, and can improve a light-emitting life.

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Daejeon, South Korea

Se-Hwan Son