Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Chang-woong Chu

Jin-Koo Chung

Seong-Min Kim

Sung-soo Lee

Joo-Hyeon Lee

Sang-Hun Seo

Kyeong-Koo Chi

Seung-Pil Chung

Ji-soo Kim

Chang-Mo Park

Ji-Soo Kim

Jae-kook Ha

Jun-Ho Choi

Dong-won Lee

Dong-Hyun Kim

Tae-hyuk Ahn

Sang-sup Jeong

Yong-chul Oh

Hyoung-Joon Kim

Wan-jae Park

Kyung-won Park

Byeong-yun Nam

Won-Hoe Koo

Sang-Hyeop Lee

Kyu-ha Chung

Sang-Pil Lee

A display device includes: a first electrode; a second electrode; and an emitting material layer which is interposed between the first electrode and the second electrode, the emitting material layer being doped with an electric charge transport material of which content varies along a thickness direction and comprising a plurality of sub-layers staked in sequence.

Display device

In accordance with one or more embodiments of the present disclosure, a method of manufacturing a light-emitting element includes forming an anode on a substrate, forming a first transport layer including one or more first polar compounds on the anode, forming a first non-polar solvent layer on the first transport layer, forming a first polar solution layer including one or more light-emitting compounds on the first non-polar solution layer, drying a polar solvent of the first polar solution layer and the first non-polar solvent layer so that a light-emitting layer including the one or more light-emitting compounds is formed on the first transport layer and forming a cathode on the light-emitting layer. The cathode is disposed opposite to the anode. As such, damage to the first transport layer may be reduced when forming the light-emitting layer, which may improve the reliability and productivity of a manufacturing process.

Method of manufacturing a light-emitting element and method of manufacturing a display substrate using the same

A transfer substrate includes a base layer, a light-reflecting layer pattern, a light-to-heat conversion layer and a transfer layer. The transfer layer is formed on the light-to-heat conversion layer. A line shaped laser beam may be scanned over the entire area of the transfer substrate to transfer designated portions of the transfer layer onto designated electrodes on an array substrate to make an organic electroluminescent display. Thus, processing time may be reduced, and an organic electroluminescent element may be efficiently formed on a large-size substrate.

Transfer substrate, method of manufacturing the same and method of manufacturing an organic electroluminescent element

An organic light-emitting diode ('OLED') device includes an organic light-emitting substrate part and a protective cover part. The organic light-emitting substrate part includes a base substrate and an OLED display portion formed on the base substrate to display an image. The protective cover part includes a first frit glass disposed on the OLED display portion to cover the OLED display portion, and a second frit glass formed around a periphery of the first frit glass. The second frit glass is connected to the first frit glass.

Organic light-emitting diode display device and method of manufacturing the same

An organic light emitting device including a substrate, a first electrode formed on the substrate and including a recess portion, a partition formed on the first electrode and including an opening exposing the recess portion of the first electrode, an organic light emitting member formed in the recess portion of the first electrode and the opening of the partition, and a second electrode formed on the partition and the organic light emitting member. A gap is formed between a lower portion of the partition and the recess portion of the first electrode and at least a portion of the organic light emitting member is disposed in the gap.

Organic light emitting device and manufacturing method thereof

An organic light emitting device includes a substrate including a first region, a second region, a third region, and a fourth region, a thin film structure formed on the substrate, first, second, and third color filters formed on the thin film structure, and respectively disposed in the first, second, and third regions, an insulating layer formed on the first to third color filters and the thin film structure, first, second, third, and fourth translucent members formed on the insulating layer, and respectively disposed in the first, second, third, and fourth regions, first, second, third, and fourth pixel electrodes respectively formed on the first, second, third, and fourth translucent members, an organic light emitting member for emitting white light formed on the first to fourth pixel electrodes; and a common electrode formed on the organic light emitting member.

Organic light emitting device with transflective members

The present invention relates to an organic light emitting element and an organic light emitting device including the same. An impurity layer close to an electrode is doped with a small amount, and an impurity layer for a p-n junction is doped with a large amount, such that a high current may flow under a low voltage.

Organic light emitting element and organic light emitting device

The present invention relates to an organic light emitting device and a manufacturing method thereof. The organic light emitting device according to an exemplary embodiment of the present invention includes a first thin film transistor disposed on a substrate, an organic layer disposed on the first thin film transistor, a pixel electrode disposed on the organic layer and connected to the first thin film transistor, a partition disposed on the pixel electrode and the organic layer, and an organic emission layer disposed on the pixel electrode and contacting the partition. The partition has an organic layer exposing hole that exposes a portion of the organic layer and an opening that exposes a portion of the pixel electrode.

Organic light emitting display and manufacturing method thereof

In a method of manufacturing an organic light emitting display, an organic light emitting layer and a second electrode are sequentially formed on a first sub-electrode, and a laser beam is irradiated onto the organic light emitting layer to partially remove the organic light emitting layer, so that the first sub-electrode is electrically connected to the second electrode. Thus, even though the second electrode is formed to have a small thickness in order to maximize an amount of light that is generated by the organic light emitting layer and exits to an exterior through the second electrode, the second electrode is electrically connected to the first sub-electrode, thereby reducing an electrical resistance of the second electrode.

Organic light emitting display and method of manufacturing the same

The present invention relates to an organic light emitting device including a substrate, a first pixel electrode disposed on the substrate, a second pixel electrode disposed on the first pixel electrode and having a groove, a partition disposed on the second pixel electrode and having an opening exposing the groove, an organic light emitting member, and a common electrode disposed on the partition and the organic light emitting member. At least a portion of the organic light emitting member is disposed in the groove. The partition overlaps the groove to form a gap, and at least a portion of the organic light emitting member is disposed in the gap.

An organic light-emitting substrate includes; a base substrate including a display area and a peripheral area formed around the display area, an organic light-emitting diode including a pixel electrode, a common electrode and an organic light-emitting part, the pixel electrode being formed in a unit pixel of the display area, the common electrode being formed over the display area, and the organic light-emitting part being disposed between the pixel electrode and the common electrode, a driving circuit part which applies driving current to the pixel electrode and is electrically connected to the pixel electrode, and a common voltage subsidiary line formed on substantially the same layer as the pixel electrode, spaced apart from the pixel electrode, disposed under the common electrode, and electrically connected to the common electrode.

Organic light-emitting substrate, method for manufacturing the same, and organic light-emitting display apparatus having the same

An organic light emitting diode ('OLED') display includes first to third pixels each displaying a different color, wherein each pixel includes a first electrode, a second electrode facing the first electrode, and an emission layer positioned between the first and second electrodes, wherein first electrodes of first and second pixels are a single layer including a conductive oxide, respectively. A first electrode of the third pixel includes a lower first electrode including a conductive oxide, an intermediate first electrode formed on the lower first electrode and including a semitransparent conductor which forms microcavities with the second electrode, and an upper first electrode formed on the intermediate first electrode and including a conductive oxide. A method for manufacturing the OLED is also disclosed.

Organic light emitting diode display

A method for manufacturing an organic light emitting diode ('OLED') display which includes first and second pixels each displaying a different color, the method includes: sequentially depositing a first transparent conductive layer and a translucent conductive layer; forming an intermediate first electrode on the second pixel by photolithography and etching of the translucent conductive layer; depositing a second transparent conductive layer on the intermediate first electrode and the first transparent conductive layer; forming a first electrode of the first pixel which includes upper and lower layers on the first pixel and a first electrode of the second pixel which includes a lower first electrode, an intermediate first electrode, and an upper first electrode by photolithography and etching of the second transparent conductive layer and the first transparent conductive layer; forming an emission layer on the first electrodes of the first and second pixels; and forming a second electrode on the emission layer.

Organic light emitting diode display and method for manufacturing the same

An organic light emitting device includes first, second, and third pixels each displaying a different color. Each pixel includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first and second electrodes. The first electrodes of the first and second pixels respectively include a first transparent conductive layer and a translucent conductive layer disposed on at least one of lower and upper portions of the first transparent conductive layer and forming microcavities together with the second electrodes, and the first electrode of the third pixel includes a second transparent conductive layer that is different from the first transparent conductive layer and a translucent conductive layer disposed on at least one of upper and lower portions of the second transparent conductive layer and forming a microcavity together with the second electrode.

Organic light emitting device

A wafer stage including an electrostatic chuck and a method for dechucking a wafer using the wafer stage are provided, wherein, the wafer stage includes an electrostatic chuck support, an electrostatic chuck, a lifting means, and a grounding means including a device for connecting the interconnections for grounding the lifting means. According to the method for dechucking a wafer, when a lifting means is in contact with a rear side of the wafer, the lifting means is grounded. Then, an electrostatic chuck is neutralized by supplying power to electrostatic electrodes, and the wafer is neutralized by supplying plasma to the wafer.

Growing community of inventors

Suwon-si, South Korea

Chang-woong Chu