Samsung Display Co., Ltd.

Sungkyunkwan University

Samsung Displayco., Ltd.

Hongik University Industry-academia Cooperation Foundation

Sungwoon Kim

Yunku Jung

Minki Nam

Jae Hong Park

Jaekook Ha

Changhee Lee

Hyunmi Doh

Junwoo Park

Kyoungwon Park

Myoungjin Park

Sooho Lee

YunHyuk Ko

Jaehoon Kim

Soodong Kim

Yunhyuk Ko

Dongwoo Shin

Jaehong Park

Dukki Kim

Joonyung Jang

Wanki Bae

Byeongguk Jeong

Jeongwoo Park

Jungho Jo

Jonghoon Kim

Heesun Yang

Hyekyoung Choi

Wan Ki Bae

Kyunghye Kim

Jangwi Ryu

Byeong Guk Jeong

A quantum dot composition includes a quantum dot and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot, and a tail portion containing a crosslinkable functional group. The quantum dot composition according to one or more embodiments may be applied to an emission layer of a light emitting element and a display device to improve luminous efficiency and service life of the light emitting element and the display device.

Quantum dot composition, light emitting element and display device including the same

An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.

Inorganic nanoparticle composition, light-emitting device, method of manufacturing light-emitting device, and electronic apparatus including light-emitting device

Provided is a light emitting element according to embodiments which includes a body including a semiconductor layer and an active layer, and a ligand including a head portion bonded to a surface of the body, an end portion spaced apart from the body, and having a positive or a negative charge, and a chain portion connecting the head portion and the end portion.

Light emitting element and display device including the same and method for manufacturing display device

A quantum dot composition includes a quantum dot, a ligand to bind to a surface of the quantum dot, an additive having an amine group, and a precursor comprising an organometallic compound, the composition forming a modified quantum dot having a reformed surface characteristic. A light emitting element including the modified quantum dot may have improved lifespan, luminous efficiency, and material stability.

A quantum dot includes a core and a plurality of shell layers surrounding the core. The core has a band gap less than that of the outermost shell layer, and the outermost shell layer has a band gap less than that of a second shell layer. Thus, a light emitting device including the quantum dot according to an embodiment may have an improved lifespan of the device and excellent luminous efficiency characteristics.

Quantum dot and lighting emitting device comprising the same

An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.

Semiconductor nanoparticles, electronic device including the same, and method for manufacturing semiconductor nanoparticles

A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.

Quantum dot composition and method of manufacturing light-emitting device using the quantum dot composition

Provided are a quantum dot, a method of preparing the quantum dot, an optical member including the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including indium (In), A, and A; and a shell covering the core. Ais a Group V element, Ais a Group III element other than indium, and the core includes a first region, and a second region covering the first region. The first region does not include A, and includes indium and A, and the second region includes indium, A, and A, and indium and Aare alloyed with each other in the second region.

Quantum dot, method of preparing quantum dot, optical member including quantum dot, and electronic device including quantum dot

A display device including a first light emitting element including a first emission layer and a first charge transport layer adjacent to the first emission layer, the first emission layer including a first quantum dot to emit first light, and a second light emitting element including a second emission layer and a second charge transport layer adjacent to the second emission layer, the second emission layer including a second quantum dot to emit second light that is longer in wavelength than the first light. The first charge transport layer includes a first metal oxide. The second charge transport layer includes a second metal oxide different from the first metal oxide.

Display device and method for manufacturing the same

A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a body part including a charge transport moiety, and a head part bonded to the surface of the quantum dot. The quantum dot composition according may be applied to a light emitting diode and a display device to provide increased luminous efficiency and device life of the light emitting diode and the display device.

Quantum dot composition, light emitting diode and display device including the light emitting diode

A quantum dot composition includes quantum dots and a leveling agent, wherein the leveling agent includes a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: A light-emitting device and a method of manufacturing the same are also provided.

Quantum dot composition, light-emitting device and method of manufacturing light-emitting device

A light emitting device may include a first electrode, a second electrode opposite to the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer may include a manganese complex compound and a quantum dot. It is possible to improve life span and light emitting efficiency characteristics of the light emitting device.

Light emitting device having light-emitting layer including a manganese complex and quantum dots

A color conversion panel includes: a substrate including a light blocking area and first, second, and third transmission areas; a first color filter disposed on the substrate at the first transmission area; a second color filter disposed on the substrate at the second transmission area; a low refractive index layer disposed on the substrate at the light blocking area and the first, second, and third transmission areas; a first color conversion layer disposed on the first color filter and the low refractive index layer; a second color conversion layer disposed on the second color filter and the low refractive index layer; and a light transmitting layer disposed on the low refractive index layer at the third transmission area. The low refractive index layer has a refractive index lower than a refractive index of the first color conversion layer and a refractive index of the second color conversion layer.

Color conversion panel and display device including the same

A color conversion panel includes a color base substrate including a first transmissive area, a second transmissive area and a third transmissive area; a light blocking pattern on the color base substrate and defining the first transmissive area, the second transmissive area, and the third transmissive area; a first color filter in the first transmissive area and the second transmissive area; a first color conversion layer on the first color filter at the first transmissive area; a second color conversion layer on the first color filter in the second transmissive area; and a second color filter on the first transmissive area, the second transmissive area, and the third transmissive area. The first color conversion layer and the second color conversion layer are each between the first color filter and the second color filter.

In a display apparatus, each pixel includes a gate line, a storage line spaced apart from the gate line, and a data line crossing the gate line. The pixel includes a switching device connected to the gate line and the data line, a protective layer provided with an opening formed therethrough in an area where the gate line and the storage line are arranged adjacent to each other, and a pixel electrode arranged on the protective layer to be connected to the switching device and overlapped with the storage line. The opening is overlapped either the gate line or the storage line. Thus, a direct-current electric field is formed between the gate line and the storage line corresponding to an area where the opening in the protective layer is formed, and impurity ions are trapped by the direct-current electric field.

Growing community of inventors

Yongin-si, South Korea

Sungwoon Kim