Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Korea Advanced Institute of Science and Technology

Kyu-Hwan Hwang

Young-Woo Song

Seok-Gyu Yoon

Jong-Hyuk Lee

Jae-Heung Ha

Won-Jong Kim

Joon-Gu Lee

Dong-Chan Kim

Eung-Do Kim

Sung-Chul Kim

Jong-hyuk Lee

Bo-Ra Jung

Chul-Woo Park

Jong-Seok Oh

Dong-Kyu Seo

Chang-Ho Lee

Yong-Tak Kim

Hyung-Jun Song

Jin-Koo Chung

Hee-Joo Ko

Se-Jin Cho

Il-Soo Oh

Jin-Young Yun

Keum-Nam Kim

Jun-Ho Choi

Chaun-Gi Choi

Jin-Baek Choi

Ji-Young Choung

Da-Hea Im

II-Soo Oh

Sang-Moo Choi

Yoon-Hyeung Cho

Young-In Hwang

Sang-Hwan Cho

Gun-Shik Kim

Chan-Young Park

Yong-Hee Lee

Hyun-Sung Bang

Sung-Min Kim

Jae-Sik Kim

Eui-Jin Yoo

Bo-Ray Jung

Hee-Ju Ko

Won-Jung Kim

Jin-Kyu Yang

Sung-Soon Im

An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions.

Organic light-emitting display device

In an aspect, an organic light emitting diode device including a first electrode, a second electrode facing the first electrode, and an emission layer positioned between the first electrode and second electrode, wherein the first electrode includes samarium (Sm) is provided.

Organic light emitting diode device

A thermal treatment method for a display apparatus includes providing an acceptor substrate on a substrate stage, providing on the acceptor substrate a pattern mask including a transfer layer, irradiating a flash light beam onto the pattern mask from a plurality of flash lamps, and transferring the transfer layer to the acceptor substrate. The plurality of flash lamps are symmetrically provided with respect to the acceptor substrate and are configured to irradiate flash light beams.

Thermal treatment device for display apparatus and thermal treatment method using the same

An organic light emitting diode includes a first electrode including a first electrode including a reflective metal layer formed of a light-reflective metal, an upper transparent conductive layer positioned on the reflective metal layer, and a protective layer positioned on the upper transparent conductive layer; an organic emission layer positioned on the first electrode; and a second electrode positioned on the organic emission layer, wherein the upper transparent conductive layer is amorphous.

Organic light emitting diode

An organic light emitting display apparatus includes a lower substrate and an upper substrate. The lower substrate includes a light emitting device having an organic emission layer between first and second electrodes, and an auxiliary electrode under and electrically connected to the second electrode. The upper substrate includes an embossing member contacting the second electrode. The embossing member is coupled to the upper substrate to face the lower substrate and applies a pressure to establish an electrical connection between the auxiliary electrode and the second electrode.

Organic light emitting display apparatus

An organic light emitting display apparatus, including a first electrode; a second electrode on the first electrode, the second electrode including silver and magnesium; an organic emission layer between the first electrode and the second electrode; a metal layer between the organic emission layer and the second electrode; and a barrier layer between the organic emission layer and the second electrode.

Organic light-emitting display apparatus

An organic light emitting diode (OLED) display is provided. An OLED display in accordance with an exemplary embodiment may include a substrate including a first subpixel, a second subpixel, and a third subpixel, a first electrode disposed on each of the first subpixel, the second subpixel, and the third subpixel, a second electrode facing the first electrode, a first common layer disposed on the first subpixel and the second subpixel, a first emission layer and a second emission layer disposed on the first common layer, a second common layer disposed on the third subpixel, and a third emission layer disposed on the second common layer. The first common layer may include a first doping layer and a second doping layer disposed on the first doping layer. Each of the doping layers may including a p-type dopant, and the second common layer may be formed as a single layer.

Organic light emitting diode display

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.

An organic light emitting display is disclosed. In one embodiment, the display includes 1) a substrate, 2) a plurality of pixels formed on the substrate, wherein each of the pixels comprises at least one circuit region including i) a first light emission area, ii) a second light emission area iii) at least one transmission area transmitting external light, and iv) a pixel circuit unit and 3) a first pixel electrode formed in the first light emission area and electrically connected to the pixel circuit unit, wherein the first pixel electrode comprises a first transparent conductive layer and a reflective layer. The display may further include 1) a second pixel electrode formed in the second light emission area and electrically connected to the first pixel electrode, wherein the second pixel electrode comprises a second transparent conductive layer, 2) a first opposite electrode substantially directly below or above the first pixel electrode, 3) a second opposite electrode substantially directly below or above the second pixel electrode and 4) an organic emission layer formed between the first pixel electrode and the first opposite electrode and between the second pixel electrode and the second opposite electrode.

Organic light emitting display

An organic light-emitting device including a first sub-pixel, a second sub-pixel, and a third sub-pixel on a substrate; a plurality of first electrodes in the first sub-pixel, the second sub-pixel, and the third sub-pixel, respectively; a second electrode being a sub-common layer to the first sub-pixel and the second sub-pixel and facing the first electrodes of the first sub-pixel and the second sub-pixel; and a third electrode in the third sub-pixel and facing the first electrode of the third sub-pixel is disclosed.

Organic light-emitting device

An organic light-emitting display device which is transparent by improving a transmittance in transmitting regions and which reduces a voltage drop in an opposite electrode comprises: a substrate having a transmitting region and pixel regions separated from each other by the transmitting region; thin film transistors positioned on the substrate and disposed in the pixel regions, respectively; a passivation layer covering the thin film transistors, formed in the transmitting region and the pixel regions, and having a first opening formed in a location corresponding to at least a portion of the transmitting region; pixel electrodes formed on the passivation layer so as to be electrically connected to the thin film transistors, respectively, located in the pixel regions, and disposed so as to overlap and cover the thin film transistors, respectively; an opposite electrode facing the pixel electrodes, formed so as to be able to transmit light, and located in the transmitting region and the pixel regions; an organic emission layer interposed between the pixel electrodes and the opposite electrode so as to emit light; and a conduction unit formed of a conductive material, disposed so as to overlap with the first opening, and contacting the opposite electrode.

An organic light emitting diode includes a first electrode including a reflective metal layer of a light-reflective metal, an upper transparent conductive layer on the reflective metal layer, and an amorphous oxide layer on the upper transparent conductive layer, an organic emission layer on the first electrode, and a second electrode on the organic emission layer.

Organic light emitting diode and organic light emitting display

Growing community of inventors

Yongin, South Korea

Kyu-Hwan Hwang