Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Bo-Ra Lee

Chang-Ho Lee

Hee-Joo Ko

Se-Jin Cho

Jin-Young Yun

Il-Soo Oh

Jong-Hyuk Lee

Young-Woo Song

Hyung-Jun Song

Sung-Chul Kim

Seok-Hwan Hwang

Young-Kook Kim

Dae-Yup Shin

Young-Mok Son

Jin-O Lim

Hye-Jin Jung

Sang-Hyun Han

Yoon-Hyun Kwak

Beom-Joon Kim

Sun-Young Lee

Chang-Min Lee

Bum-Woo Park

Yeon-woo Lee

Hyun-Ju Choi

Pyung-Eun Jeon

Eun-Young Lee

Jun-Ha Park

Soo-Yon Kim

Eun-Jae Jeong

Sun-Young Kim

Yong-Beom Lee

So-Yeon Kim

Ji-Youn Lee

Jong-Won Choi

Wha-Il Choi

Sin-Young Park

Yeon-Woo Lee

ll-Soo Oh

Jung-Geun Lee

See-Jin Cho

Kim Beom-Joon

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

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

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

Embodiments of the invention are directed to a condensed-cyclic compound represented by Formula 1, and to an organic light-emitting device including the condensed-cyclic compound. The organic light-emitting device may include an organic layer containing the condensed-cyclic compound.

Condensed-cyclic compound and organic light-emitting device including the same

Novel heterocyclic compounds that impart improved luminescence efficiency characteristics such as low voltage, high luminance and long lifetime to organic light-emitting devices are described. Synthetic methods for the subject heterocyclic compounds are described. Methods for the construction of an organic light-emitting device comprising at least one of the subject heterocyclic compounds and comprising various hole transport layers, various electron transport layers and an emission layer are disclosed. The emission layer can comprise red, green, blue and white emission layers; one of said emission layers can comprise a phosphorescent compound. In certain embodiments, the heterocyclic compounds are useful as either fluorescent dopants or as phosphorescent hosts in the emission layer.

Heterocyclic compound and organic light-emitting device including the same

An organic light-emitting device including a substrate, an anode layer on the substrate, the anode layer including WON(2.2&#x2266;x&#x2266;2.6 and 0.22&#x2266;y&#x2266;0.26), an emission structure layer on the anode layer, and a cathode layer on the emission structure layer.

Organic light-emitting device and method of manufacturing the same

Derivatives of benzo[h]naphtho[1,2-f]quinoline and organic light emitting devices (OLEDs) including them are disclosed. The subject compounds impart high efficiency, low driving voltage, high luminance and long lifespan to the OLEDs. The subject compounds may be used as light emitting materials, as electron transporting materials, or as electron injecting materials. Because the subject compounds have high glass transition temperatures or high melting points, OLEDs including them exhibit high durability in storage or operation. Suitable substituents may be selected from deuterium, alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, aryloxy, arylthio, aryl, aryl- or heteroaryl-substituted amino, heteroaryl, condensed polycyclic, halogen, cyano, nitro, hydroxyl and carboxyl groups.

A condensed-cyclic compound and an organic light-emitting diode including the same.

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

Disclosed is an organic light emitting diode device including an anode, a cathode, an emission layer between the anode and the cathode, and a buffer layer positioned between the emission layer and the anode. The buffer layer includes an oxide, fluoride, quinolate, or acetoacetate compound of an alkaline metal or an alkaline-earth metal, as well as a material having a work function of about 2.6 to about 4.5 eV. The buffer layer also has a thickness of about 30 &#x212b; to about 400 &#x212b;.

Organic light emitting device having a bulk layer comprising a first and second material

An organic light emitting diode (OLED) display includes: a substrate; a first electrode on the substrate; a first emission layer on the first electrode; a second emission layer on the first emission layer; a second electrode on the second emission layer; and a light emitting assistance layer selectively positioned between the first emission layer and the second emission layer.

Organic light emitting diode display

A display device includes a display panel configured to display an image in an upward direction and a reflective panel on the display panel, the reflective panel configured to selectively transmit or reflect light with respect to an area corresponding to the image.

Display device

A photoluminescence diode which may decrease a driving voltage may include an anode, a cathode, an emission layer interposed between the anode and the cathode, and an electron accepting layer interposed between the emission layer and the cathode and including one material selected from fullerene, methanofullerene, doped fullerene, doped methanofullerene, a derivative thereof, and a mixture thereof.

Photo luminescence diode and photoluminescence diplay having the same

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Yongin, South Korea

Bo-Ra Lee