Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Se-Jin Cho

Jong-Hyuk Lee

Chang-Ho Lee

Hee-Joo Ko

Jin-Young Yun

Il-Soo Oh

Hyung-Jun Song

Young-Woo Song

Bo-Ra Lee

Seok-Hwan Hwang

Sung-Chul Kim

Young-Kook Kim

Yoon-Hyun Kwak

Hye-Jin Jung

Jin-O Lim

Sang-Hyun Han

Sun-Young Lee

Dae-Yup Shin

Young-Mok Son

Won-Jong Kim

Yong-Tak Kim

Joon-Gu Lee

Kyu-Hwan Hwang

Jin-Baek Choi

Seok-Gyu Yoon

Chang-Min Lee

Bum-Woo Park

Beom-Joon Kim

Yeon-woo Lee

Hyun-Ju Choi

II-Soo Oh

Pyung-Eun Jeon

Eun-Young Lee

Jun-Ha Park

Soo-Yon Kim

Eun-Jae Jeong

Jae-Heung Ha

Young-kook Kim

Jeoung-In Yi

Ji-Young Choung

Yeon-Hwa Lee

Il Soo Oh

Hye-Lim Lee

Yeon-Woo Lee

ll-Soo Oh

Hee-Ju Ko

Won-Jung Kim

Kyu-Hawn Hwang

Jung-Geun Lee

An organic light emitting diode device includes a first electrode, a second electrode, an organic emission layer, an electron transport layer and a buffer layer. The second electrode is opposite to the first electrode. The organic emission layer is located between the first and second electrodes. The electron transport layer is located between the organic emission layer and the second electrode. The buffer layer is located between the organic emission layer and the electron transport layer, and is made of at least one material selected from a pyrene compound represented by the following Chemical Formula 1, an anthracene compound represented by the following Chemical Formula 2 and a combination thereof: Here, the definitions of R, Rand A are as described in the specification.

Organic light emitting diode device

Embodiments of the present invention are directed to a condensed-cyclic compound represented by Formula 1, and to an organic light-emitting diode including the same. 

Condensed-cyclic compound and organic light-emitting diode comprising the same

Provided is an organic light-emitting device including a first electrode, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, and an electron-transporting layer disposed between the emission layer and the second electrode. The electron-transporting layer includes a first electron-transporting material and a second electron-transporting material. The lowest unoccupied molecular orbital (LUMO) energy level of the first electron-transporting material (EL) and the lowest unoccupied molecular orbital (LUMO) energy level of the second electron-transporting material (EL) satisfy the equation 0.1 eV&#x2266;|EL&#x2212;EL|&#x2266;0.3 eV.

Organic light-emitting device

A compound represented by Formula 1 below may be used in an organic light emitting diode. Additionally, in some embodiments, an organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode and including the compound represented by Formula 1. 

Compound for organic light-emitting diode and organic light-emitting diode including the same

An organic light emitting device, and a manufacturing method of the same, in which in a light emitting layer, an electron trap material is introduced so as to improve a light emitting property and an operating characteristic and to prolong a life span.

Organic light emitting device with enhanced lifespan

Organic light-emitting device using a mixture of electron transporting compounds

A heterocyclic compound represented by Formula 1 below, an organic light-emitting diode including the same, and a flat panel display device including the organic light-emitting diode: where X is *&#x2014;Aror wherein Ar, Ar, R, R, R, R, Y, Y, Y, Y, a, b, c, and d are as defined in the specification.

Heterocyclic compound, organic light-emitting diode comprising the heterocyclic compound, and flat panel display device comprising the organic light-emitting diode

Provided are a heterocyclic compound represented by Formula 1 below, and an organic light-emitting diode and a flat display device each including the heterocyclic compound. The organic light-emitting diode including an organic layer including the heterocyclic compound has a low driving voltage, high luminescence efficiency, and long lifetime.

Heterocyclic compound, organic light-emitting diode including the heterocyclic compound, and flat display device including the organic light-emitting diode

An organic light emitting element includes a first electrode, a second electrode, and an organic layer. The organic layer includes a first emission layer between the first electrode and the second electrode, a second emission layer between the first emission layer and the second electrode, and an electron injection layer (EIL) between the first emission layer and the second emission layer, the electron injection layer (EIL) containing fullerene (C60).

Organic light emitting element having emission layers and an electron injection layer including fullerene and lithium quinolate

An organic light-emitting diode including a buffer layer including an amine-based compound.

Organic light-emitting diode

A dual mode organic light emitting device and a pixel circuit including the same are disclosed. The dual mode organic light emitting device includes a cathode formed over a substrate, an electron transport layer (ETL) formed over the cathode, an emission layer formed over the electron transport layer (ETL), and an anode formed over the emission layer, wherein the cathode includes a first metal selected from silver (Ag), aluminum (Al), copper (Cu), and gold (Au) and a second metal having a work function of about 4.0 eV or less, and the first metal and the second metal are present at a weight ratio of about 1:1 to about 1:100.

Dual mode organic light emitting device and pixel circuit including the same

A heterocyclic compound represented by Formula 1 or Formula 2 below, and an organic light-emitting device including the heterocyclic compound. The organic light-emitting device may include an organic layer containing the heterocyclic compound, and thus may have a low driving voltage, a high-emission efficiency, and long lifespan characteristics. 

Heterocyclic compound and organic light-emitting device including the same

An organic light emitting diode display is disclosed. The display includes some pixel areas which are opaque and some pixel areas which are partially opaque and partially transparent. Selectively displaying the light emission of the pixel areas allows for control of the relative brightness of a displayed image and an object behind the display.

Organic light emitting diode display

The present invention provides an organic light emitting diode comprising a substrate comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel; a first electrode disposed on the substrate; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode; and a first layer disposed between the first electrode and the second electrode and containing an ambipolar compound, and a method for manufacturing the organic light emitting diode.

Organic light emitting diode and method for manufacturing the same

An organic light-emitting device, including a first electrode, the first electrode having a smaller absolute value of a work function energy level than an absolute value of a work function energy level of ITO, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode.

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Yongin, South Korea

Se-Jin Cho