Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Hongik University Industry-academia Cooperation Foundation

Hee-Joo Ko

Chang-Ho Lee

Jong-Hyuk Lee

Se-Jin Cho

Jin-Young Yun

Seok-Hwan Hwang

Young-Woo Song

Young-Kook Kim

Yoon-Hyun Kwak

Hye-Jin Jung

Jin-O Lim

Sung-Chul Kim

Sang-Hyun Han

Sun-Young Lee

Hee-Yeon Kim

Seung-Gak Yang

Dae-Yup Shin

Bum-Woo Park

Eun-Young Lee

Chang Ho Lee

Seok-Gyu Yoon

Won-Jong Kim

Yong-Tak Kim

Kyu-Hwan Hwang

Jae-Heung Ha

Joon-Gu Lee

Jin-Baek Choi

Chang-Min Lee

Jun-Ha Park

Soo-Yon Kim

Eun-Jae Jeong

Beom Joon Kim

Il-Soo Oh

Hyung-Jun Song

Bora Lee

Bo-Ra Lee

Jung-Han Shin

Young-Mok Son

Beom-Joon Kim

Young-kook Kim

Ji-Young Choung

Ji Hwan Yoon

Yeon-woo Lee

Hee-Sun Yang

Hyun-Ju Choi

Yeon-Hwa Lee

Il Soo Oh

Pyung Eun Jeon

Se Jin Cho

Jin Young Yun

Hye-Lim Lee

Joong Won Sim

II-Soo Oh

Ki-Heon Lee

Jeong-Hoon Lee

Yeon-Woo Lee

In Jae Lee

Pyung-Eun Jeon

Jung-Geun Lee

ll-Soo Oh

Won-Jung Kim

Kyu-Hawn Hwang

See-Jin Cho

Kim Beom-Joon

In a method of manufacturing a quantum dot, a core may be formed using (utilizing) at least one cation precursor and at least one anion precursor. The core may be reacted with a shell forming precursor and a ligand forming precursor for more than one hour to form a shell enclosing the core and a ligand. A nanoparticle including the core, the shell and the ligand may be washed.

Quantum dots, methods of manufacturing quantum dots and methods of manufacturing organic light emitting display devices using 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

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

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

Heterocyclic compound and organic light-emitting device including the same

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

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

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

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

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

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

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.

A full color organic light emitting diode having high efficiency and high color purity while having low manufacturing costs due to simple manufacturing processes.

Organic light emitting diode

Growing community of inventors

Yongin, South Korea

Hee-Joo Ko