Samsung Display Co., Ltd.

Postech Academy-industry Foundation

Samsung Dispaly Co., Ltd.

Wonjun Song

Kwanhee Lee

Jungjin Yang

Myunghwan Kim

Jinwoo Park

Ji-young Kim

Seokjae Lee

Soojung Youn

Seohyun Kim

Taewoong Yoo

Sungwook Kim

Myeongsuk Kim

Sunhye Lee

Tae-Woo Lee

Heeseong Jeong

Taekyung Kim

Jinsoo Hwang

Changwoong Chu

Myungjong Jung

Dukjin Lee

Woosuk Jung

Sunhwa Kim

Minho Park

Jae Bok Kim

Jieun Park

Jaebok Kim

Su-Hun Jeong

Taewoo Lee

An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

Organic electroluminescence display device

An organic light-emitting device having a low driving voltage, high efficiency, and a long lifespan is provided. The device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first compound, and a second compound. Various chemical structures for the first compound and the second compound are provided.

Organic light-emitting device

Provided is a display device including a display panel and a polarization member on the display panel, wherein the polarization member includes a polarizer, and a plurality of functional layers on at least one surface of the polarizer, wherein at least one of the plurality of functional layers includes a first light absorbing dye that absorbs light having a wavelength of greater than about 380 nm and equal to or less than about 450 nm.

Polarization member and display device including the same

An organic light emitting display apparatus includes a substrate, a plurality of organic light emitting elements on the substrate, an encapsulation substrate covering the organic light emitting elements, and a scattering layer including a resin, and a plurality of scattering particles distributed in the resin, and including a variety of particle sizes in a first range from about 500 nm to about 800 nm, wherein ones of the scattering particles having a first particle size include a highest concentration of the scattering particles, and wherein a concentration of other ones of the scattering particles is inversely proportional to a magnitude of a difference in particle size between the other ones of the scattering particles and the ones of the scattering particles having the first particle size.

Organic light emitting display apparatus

An organic light-emitting apparatus and a method of manufacturing the same. The method includes depositing a mixed layer and a buffer layer as an electron transport layer on the emission layer by making a single round-trip of the source unit that includes the first through third ejectors in a scanning direction of the substrate, wherein the mixed layer includes a mixture of the first and second semiconductor materials and the buffer layer includes a single layer including the third semiconductor material.

Organic light-emitting apparatus including electron transport layer and method of manufacturing the same

An organic light emitting device includes an anode, the anode including a conductive polymer, a fluorine-containing organic material, and metal nanoparticles, a cathode facing the anode, and an emission layer between the anode and the cathode.

Organic light emitting device and manufacturing method thereof

An organic light emitting diode, including a first electrode; a first light emitting unit on the first electrode; a charge generating layer on the first light emitting unit, the charge generating layer including a plurality of organic layers; a second light emitting unit on the charge generating layer; and a second electrode on the second light emitting unit, the plurality of organic layers of the charge generating layer including a first organic layer and a second organic layer that are respectively adjacent to the first light emitting unit and the second light emitting unit; and a third organic layer between the first organic layer and the second organic layer, the first organic layer and the second organic layer being one of a p-type layer or a hole transport layer, and the third organic layer being the other of the p-type layer or the hole transport layer.

Organic light emitting diode

An organic light-emitting device including a first electrode, a hole transport region on the first electrode, a light-emitting layer on the hole transport region, an electron transport region on the light-emitting layer, and a second electrode on the electron transport region. The electron transport region includes a first mixed electron transport layer and a second mixed electron transport layer on the first mixed electron transport layer. The first mixed electron transport layer includes a first electron transport compound and a second electron transport compound different from the first electron transport compound. The second mixed electron transport layer includes the first electron transport compound and a third electron transport compound different from the first electron transport compound and the second electron transport compound.

Organic light-emitting device and display apparatus including the same

A method of manufacturing a display device, the method including providing a first electrode on a base substrate; providing a fluorine-containing pixel defining layer on the base substrate and the first electrode such that the pixel defining layer exposes at least a portion of the first electrode; pretreating the first electrode; and providing an organic layer on the first electrode after pretreating the first electrode, wherein pretreating the first electrode includes performing a first treatment operation of treating an exposed surface of the first electrode using a first plasma gas; and performing a second treatment operation after performing the first treatment operation, the second treatment operation including treating the exposed surface of the first electrode using a second plasma gas, wherein the second plasma gas is different from the first plasma gas and includes hydrogen.

Method of manufacturing display device including a surface treatment operation to remove activated fluorine

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Hwaseong-si, South Korea

Wonjun Song