Samsung Display Co., Ltd.

Eungdo Kim

Dongchan Kim

Wonjong Kim

Sanghoon Yim

Dongkyu Seo

Dahea Im

Yoonhyeung Cho

Wonsuk Han

Jihye Lee

Seokgyu Yoon

Hyeongu Cho

Jaejin Lyu

Hyosup Shin

Kunwook Cho

Jungsub Lee

Hyejin Jung

Hyunyoung Kim

Jiyoung Lee

Hyojeong Kim

Minsoo Choi

Minje Kim

Youngki Lee

Youngeun Choi

Hyunwoo Lee

Jaekook Ha

Sehun Kim

Changwoong Chu

Okkeun Song

Eunju Nam

Seunguk Noh

Dongwoo Shin

Hyein Jeong

Jaeyong Lee

Dukki Kim

Kyungsik Kim

Jonghyuk Lee

Jongwon Park

Soungwook Kim

Jaesung Lim

A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2:||+0.1 eV  Equation 1||+0.1 eV.  Equation 2

Light-emitting device and display apparatus including the same

An organic light-emitting device includes a first hole transport region including a polymer compound that includes a repeating unit derived from a compound including a moiety represented by Formula 1A and a second hole transport region including a first compound and a second compound, the first compound including a repeating unit represented by Formula 1, the second compound being a compound represented by Formula 1, and the third compound being a compound represented by Formula 3.

Organic light-emitting device and method of manufacturing 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

A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.

Light-emitting device having low driving voltage, high luminescence efficiency, and long life span, and electronic apparatus including same

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

Organic light-emitting device and apparatus including the same

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by Formula 4, each as respectively described in the detailed description.

An organic light-emitting device having improved efficiency and lifespan 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, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3:()()&#x2003;&#x2003;Condition-()()&#x2003;&#x2003;Condition-()&#x2265;&#x2003;&#x2003;Condition()&#x2265;&#x2003;&#x2003;Condition

Provided are a condensed cyclic compound, a composition including the same, and an organic light-emitting device including a thin film formed from the composition. The condensed cyclic compound is represented by following Formula, has a molecular weight of about 400 to about 10,000, and comprises at least one cross-linkable group: 

Condensed cyclic compound, composition including the same, and organic light-emitting device including thin film formed from the composition

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.

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

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.

Perovskite compound, thin layer comprising the perovskite compound, and optoelectronic device comprising the perovskite compound

An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. An electron transport region is between the second electrode and the emission layer. The electron transport region includes an electron injection layer including a first component including at least one halide of an alkali metal (Group I), a second component including at least one organometallic compound, and a third component including at least one of a lanthanide metal or an alkaline earth metal (Group II).

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Yongin-si, South Korea

Eungdo Kim