Samsung Display Co., Ltd.

Hyung-Jun Song

Jong-Hyuk Lee

Chang-Ho Lee

Jin-Young Yun

Hee-Joo Ko

Se-Jin Cho

Il-Soo Oh

Young-Woo Song

Sung-Chul Kim

Bo-Ra Lee

Seok-Hwan Hwang

Young-Kook Kim

Hye-Jin Jung

Yoon-Hyun Kwak

Kyu-Hwan Hwang

Seok-Gyu Yoon

Jin-O Lim

Won-Jong Kim

Yong-Tak Kim

Joon-Gu Lee

Jae-Heung Ha

Jin-Baek Choi

II-Soo Oh

Ji-Young Choung

Yeon-Hwa Lee

Il Soo Oh

Hee-Ju Ko

Hee-Jo Ko

Si-Jin Cho

Won-Jung Kim

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

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 anode for an organic light emitting device which introduces a metal oxide to improve flows of charges, and an organic light emitting device using the anode. The anode for the organic light emitting device has excellent charge injection characteristics, thereby improving power consumption of the organic light emitting device.

Anode containing metal oxide and organic light emitting device having 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

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.

Organic light-emitting device

An organic light emitting diode (OLED) display including a substrate main body; a thin film transistor on the substrate main body; and an organic light emitting diode including a transparent electrode connected with the thin film transistor and being capable of injecting electrons, an organic emission layer on the transparent electrode, and a reflective electrode on the organic emission layer and being capable of injecting holes, wherein the organic emission layer includes an electron injection unit on the transparent electrode, the electron injection unit including an electron injection metal layer, an electron injection layer, and an electron injection dipole layer, and a light emitting unit on the electron injection unit.

A heterocyclic compound represented by Formula 1 or Formula 2 below and an organic light-emitting device including the heterocyclic compound: 

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

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

Embodiments of the present invention are directed to a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The heterocyclic compound is represented by Formula 1 or Formula 2. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan. 

Organic light emitting device

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.

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

Provided is an organic light emitting device including an anode, a cathode, and a light emitting layer disposed between the anode and the cathode, wherein the cathode has a structure including a first metal layer and a second metal layer, or a structure including a first metal layer, a second metal layer, and one selected from the group consisting of an oxide layer, a nitride layer, and a nitric oxide layer, and wherein the cathode has low resistance.

Organic light emitting device with a low-resistance cathode

An organic light emitting diode (OLED) display includes a substrate including a plurality of pixels defined thereon, a thin film transistor (TFT) positioned at each pixel, a negative electrode electrically connected to the TFT, an organic emission layer positioned on the negative electrode, and a positive electrode positioned on the organic emission layer, the positive electrode including an auxiliary layer positioned on the organic emission layer, a conductive layer positioned on the auxiliary layer, and an insulation layer positioned on the conductive layer.

Organic light emitting diode display and method for manufacturing the same

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.

Growing community of inventors

Yongin, South Korea

Hyung-Jun Song