Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Duk San Neolux Co., Ltd.

Korea Advanced Institute of Science and Technology

Samsung Mobile Display Co., Ltd.

Dae-Yup Shin

Kwan-Hee Lee

Soo-Jin Park

Seok-Hwan Hwang

Chang-Ho Lee

Young-Kook Kim

Hee-Joo Ko

Se-Hun Kim

Se-Jin Cho

Jin-Young Yun

Young-Mok Son

Hye-Jin Jung

Jin-O Lim

Sang-Hyun Han

Yoon-Hyun Kwak

Mi-Kyung Kim

Hwan-Hee Cho

Soo-Yon Kim

Il-Soo Oh

Jong-Hyuk Lee

Soon-Ryong Park

Chang-Woong Chu

Chang-Min Lee

Won-Jun Song

Hye-In Jeong

Young-Woo Song

Mu-Hyun Kim

Seung-Hoon Choi

Sang-Woo Lee

Myeong-Suk Kim

Sun-Young Lee

Eun-Young Lee

Hee-Seong Jeong

Chang Ho Lee

Sam-Il Kho

Dong-Woo Shin

Jun-Ha Park

Eun-Jae Jeong

Sun-Hee Lee

Hee-Yeon Kim

Seung-Gak Yang

Beom Joon Kim

Ji-Hwan Yoon

Young-kook Kim

Bum-Woo Park

Sang-Woo Pyo

Bora Lee

Dong-Hyun Jung

Bo-Ra Lee

Kyoung-Han Yew

Hyun-Jeong Lim

Beom-Joon Kim

Mie-Hwa Park

Yeon-woo Lee

Hyun-Ju Choi

Bum-Sung Lee

Pyung-Eun Jeon

Jung-Hwan Park

Byoung-Ki Choi

Jun-Sik Oh

Chang-Wook Kim

Young-Rag Do

Seung-Wook Chang

Sun-Hwa Kim

Byeong-Wook Yoo

Jong-In Hong

Ji Hwan Yoon

Ho-Seok Yang

Yun-Hee Kim

Jin-Hyunk Lim

Ha-Jin Song

Seok-Jong Lee

Sung-Soo Bae

Hee-Yeon Hwang

Kyeong-Beom Cheong

Ji-Young Kwon

Yeun-Joo Sung

Min-Hyung Lee

Bum-Suk Lee

Ji-Myoung Ye

Il-Soo Park

Pyung Eun Jeon

Maeng-Eun Lee

Seon-Hong Lee

Se Jin Cho

Seung Bum Suh

Dai-In Park

Jin Young Yun

Ji-Hye Shim

Yeon-Woo Lee

Jee-Won Kang

Hyun-Jee Lee

In Jae Lee

Ho-Gon You

Joong Won Sim

Jung-Geun Lee

ll-Soo Oh

Young-Kyu Do

Kang-Mun Lee

Hye-Jin Bae

An organic light-emitting diode including a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. The organic layerincludes an emission layer with at least one light-emitting material, and a region between the first electrode and the emission layer with at least one hole transport material. The light-emitting material is represented by Formula 1 and the hole transport material is represented by one of Formulae 2 to 4: 

Organic light-emitting diode

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 rechargeable lithium battery includes a compound represented by Chemical Formula 1: In Chemical Formula 1, each of k, l, and m is independently an integer of 0 to 20, n is an integer of 1 to 7, and k, l and m are selected such that the compound of Chemical Formula 1 has an asymmetrical structure. The compound of Chemical Formula 1 may be included in the positive electrode, the negative electrode, or the electrolyte of the rechargeable lithium battery.

Rechargeable lithium battery

An organic light-emitting device includes a first electrode, a second electrode disposed opposite to the first electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The emission layer includes at least one first light-emitting material represented by Formula 1 and at least one second light-emitting material represented by Formula 2: and Xto X, Ar, M, Xto X, A, B, Rto R, R, R, a, a, n, L, M in Formulae 1 and 2 are defined as in the specification.

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

An organic light-emitting device includes a first electrode, a second electrode disposed opposite to the first electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The emission layer includes at least one first light-emitting material represented by Formula 1 and at least one second light-emitting material represented by Formula 2: 

A carbazole-based compound of Formula 1 and an organic light-emitting diode including the same. The carbazole-based compound represented by Formula 1 has a triarylamine structure, wherein at least one of Rto Ris essentially a nitrogen-containing group. Thus, the carbazole-based compound has high glass transition temperature and/or high melting point, and is stable during electron injection, and when interposed between a pair of electrodes (anode and cathode) of an organic light-emitting diode, the carbazole-based compound may have excellent thermal resistance against Joule's heat generated in organic layers between the pair of electrodes, between the organic layers, or between the organic layer and the electrode during an operation of the organic light-emitting diode.

Carbazole-based compound and organic light-emitting diode comprising the same

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

An organic light-emitting diode including: a first mixed layer between an emission layer and a first electrode and including first and second compounds; a second mixed layer between the emission layer and the first mixed layer and including third and fourth compounds; a first charge generation layer between the first mixed layer and the first electrode and including the first and second compounds and a first charge generation material; a second charge generation layer between the first mixed layer and the second mixed layer and including the third and fourth compounds and a second charge generation material; and a buffer layer between the emission layer and the second mixed layer, the first and the third compounds are each independently a compound represented by Formula 1 below, and the second compound and fourth compounds are each independently a compound represented by Formula 2 below: 

Organic light-emitting diode including multi-layered hole transporting layer, and flat display device including the organic light-emitting diode

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

A styryl-based compound represented by Formula 1, a composition containing the styryl-based compound, and an organic light-emitting diode (OLED) including the styryl-based compound: The styryl-based compound may exhibit high heat resistance and thus an OLED including the same may have low driving voltage, high brightness, high efficiency, and long lifetime.

Styryl-based compound, composition containing styryl-based compound, and organic light emitting diode including styryl-based compound

A compound represented by Formula 1, below, and an organic light-emitting device including the compound represented by Formula 1: 

Compound and organic light emitting device including the same

A compound represented by Formula 1 below:(R)&#x2014;CB&#x2014;[Ar]&#x2014;CB&#x2014;(R)&#x2003;&#x2003;&#x3c;Formula 1&#x3e;

Carborane compound, organic light-emitting diode including the same and flat display device including organic light-emitting diode

A compound represented by Formula 1 below and an organic light-emitting device including an organic layer containing the compound of Formula 1: 

Compound and organic light-emitting device including the same

A full color light emitting device having a reduced driving voltage includes a substrate having a first subpixel, a second subpixel, and a third subpixel. A plurality of first electrodes are in the first subpixel, the second subpixel, and the third subpixel. A second electrode faces the first electrode. An emission layer is between the first electrode and the second electrode. The emission layer includes a first emission layer in the first subpixel for emitting a first color light in the first subpixel, a second emission layer in the first subpixel for emitting a second color light in the second subpixel, and a third emission layer in the first subpixel, the second subpixel and the third subpixel, for emitting a third color light in the third subpixel. The third emission layer includes at least one compound represented by Formula 1: 

Organic light emitting device

Growing community of inventors

Yongin, South Korea

Dae-Yup Shin