Samsung Display Co., Ltd.

Lapto Co., Ltd.

Dongchan Lee

Tsuyoshi Naijo

Jaeweon Hur

Seulong Kim

Sungwook Kim

Kyungsik Kim

Sungsoo Bae

Hyewon Choi

Hyein Jeong

Seungjin Chu

Yunjee Park

SeulOng Kim

Seung-Jin Chu

Juwan Maeng

Munsoo Kim

Sung-soo Bae

Sung-Soo Bae

Hyeongpil Kim

Eu-gene Oh

Kap-jong Han

Eu-Gene Oh

Kap-Jong Han

An organic luminescence device includes a polycyclic compound represented by Formula 1 in at least one functional layer between a first electrode and a second electrode, wherein in Formula 1, X is O, S, Se, CRR, SiRR, or and at least one selected from Land Aris an electron withdrawing group having a Hammett constant greater than 0:

Luminescence device and polycyclic compound for luminescence device

An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:1()≥1(Mix)+0.3 eV  Equation 11()≥1(Mix)+0.3 eV  Equation 21(Mix)<1(Buffer)+0.5 eV.  Equation 3.

Organic light-emitting device and apparatus including the same

An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the same

An 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, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.

A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

Light emitting element and display panel including the same

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer includes a compound represented by Formula 1 below, and thus the organic electroluminescence device may exhibit high luminous efficiency characteristics and improved service life characteristics.

Organic electroluminescence device and compound for organic electroluminescence device

An electronic apparatus includes an organic light-emitting device including: a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and including at least one emission layer; and m−1 charge generating layers, each located between two neighboring light-emitting units of the m light-emitting units and including an n-type charge generating layer and a p-type charge generation layer, wherein m is an integer of 2 or more, at least one of the m−1 p-type charge generation layers includes a first doping layer and a second doping layer, the first doping layer includes a first organic material and a first inorganic material, the second doping layer includes a second organic material and a second inorganic material, and the first inorganic material and the second inorganic material are different from each other.

Organic light-emitting device and electronic apparatus including the same

An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 &#x212b; and less than or equal to about 1800 &#x212b;.

An 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, and a third 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, and the first compound and the second compound are different from each other.

Organic light-emitting device and display apparatus including the same

An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:1()&#x2265;1(Mix)+0.3 eV&#x2003;&#x2003;Equation 11()&#x2265;1(Mix)+0.3 eV&#x2003;&#x2003;Equation 21(Mix)&#x3c;1(Buffer)+0.5 eV.&#x2003;&#x2003;Equation 3

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Yongin-si, South Korea

Dongchan Lee