Samsung Display Co., Ltd.

Dongkyu Seo

Wonjong Kim

Dongchan Kim

Yoonhyeung Cho

Sanghoon Yim

Eungdo Kim

Wonsuk Han

Dahea Im

Jihye Lee

Yeongrong Park

Byeongwook Yoo

Byungseok Lee

Daeho Lee

Junyong Shin

Jiyoung Moon

Hyungseok Jang

Myungchul Yeo

Hyeongpil Kim

Changwoong Chu

Okkeun Song

Junghee An

Byoungduk Lee

Yongchan Ju

Donghoon Kim

Jaejin Lyu

Seokgyu Yoon

Jonghyuk Lee

Hyoyeon Kim

An organic photodetector includes: a first electrode; a second electrode facing the first electrode; an activation layer between the first electrode and the second electrode; a hole injection layer between the first electrode and the activation layer; and a hole transport layer between the hole injection layer and the activation layer, wherein the hole transport layer includes: a first hole transport layer including a p-dopant; and a second hole transport layer not including a p-dopant.

Organic photodetector and electronic device including the same

An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.

Organic light-emitting device

An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.

Organic light-emitting diode and method of manufacturing the same

Organic light-emitting diode including a hole injection layer, and method of manufacturing the same

A luminescence device includes a first electrode, a first emission portion disposed on the first electrode, a second electrode disposed on the first emission portion, and a capping layer disposed on the second electrode and including a metal atom and a metal halide compound, wherein the metal atom is a lanthanide metal, a transition metal, or a post-transition metal and the metal halide compound is formed by combining an alkali metal atom and a halogen atom.

Luminescence device, and display device including same

An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode, each emission unit including at least one emission layer; and m&#x2212;1 charge generating layers respectively located between two adjacent emission units among them emission units, each of the charge generating layers including one n-type charge generating region and one p-type charge generating region, wherein m is an integer of 2 or more, and at least one of the m&#x2212;1 p-type charge generating regions includes a phosphate-containing compound.

An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; a first emission unit, a second emission unit and a third emission unit between the first electrode and the second electrode; a first charge generation layer between the first emission unit and the second emission unit; and a second charge generation layer between the second emission unit and the third emission unit, wherein the first emission unit comprises a first emission layer, the second emission unit comprises a second emission layer, the third emission unit comprises a third emission layer, and at least one of the first emission unit, the second emission unit and the third emission unit comprises an inorganic buffer layer.

Disclosed is an organic light-emitting diode device including: a first electrode; a second electrode disposed opposite to the first electrode; m light-emitting units (where m is an integer of 2 or more) disposed between the first electrode and the second electrode, and including at least one light-emitting layer; and m-1 charge generation layers each interposed between two adjacent light-emitting units of the m light-emitting units; wherein at least one of the m-1 charge generation layers includes a compound for a charge generation layer, which includes a boron-containing compound bonded to a metal halide by a one-electron sigma bond.

Organic light-emitting diode device and compound for charge generation layer included therein

A light-emitting device is provided. The device includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode. The hole transport region may include a hole transport layer, which in turn includes a first perovskite compound [A][B][X]with a neutral defect. A hole concentration of the first perovskite compound may be from about 1.0&#xd7;10to about 9&#xd7;10cmat about 25&#xb0; C.

Light-emitting device

An organic electroluminescence device includes 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 an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element.

Organic electroluminescence device, method for manufacturing the same, and display device including the same

Provided is an organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a low work function metal compound.

Organic light-emitting device having low work function metal halide compound in hole injection layer and display device having the same

An electronic apparatus and a lighting apparatus are provided. The apparatus includes a light-emitting device that has an intermediate layer between two electrodes, wherein the intermediate layer includes an emission layer having a perovskite compound represented by one of the following formulas: 1) [A][BB][X], 2) [A][BB][X], 3) [A][BB][X], and 4) [A][BB][X], wherein, in Formula 1), A is at least one monovalent organic-cation, a monovalent inorganic cation, or any combination thereof, Bis a Smion, Bis at least one divalent inorganic cation and does not include a Smion, n1 is a real number satisfying 0&#x3c;n1&#x2264;1, n2 is a real number satisfying 0&#x3c;n2&#x2264;1, and X is at least one monovalent anion.

Electronic apparatus and lighting apparatus

A perovskite compound represented by Formula 1, a thin layer including the perovskite compound, and an optoelectronic device including the perovskite compound:[A][BB][X].&#x2003;&#x2003;Formula 1In Formula 1, A may be at least one selected from a monovalent organic cation, monovalent inorganic cation, and combinations thereof; Bmay be a thulium (II) (Tm) ion; Bmay be at least one divalent inorganic cation, where Bis free of (e.g., does not include) Tm; n may be a real number that satisfies 0&#x3c;n&#x2264;1; and X may be at least one monovalent anion.

Growing community of inventors

Yongin-si, South Korea

Dongkyu Seo