公开(公告)号：US20190157596A1

公开(公告)日：2019-05-23

申请号：US16034442

申请日：2018-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo KIM ,  Tae Ho KIM ,  Eun Joo JANG ,  Hongkyu SEO ,  Sang Jin LEE ,  Dae Young CHUNG ,  Oul CHO

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: A quantum dot device includes: a first electrode and a second electrode facing each other; a quantum dot layer between the first electrode and the second electrode, and an electron auxiliary layer between the quantum dot layer and the second electrode, the electron auxiliary layer including a first nanoparticle and a second nanoparticle which is larger than the first nanoparticle, wherein a work function of the first electrode is greater than a work function of the second electrode, and wherein a difference between a lowest unoccupied molecular orbital energy level of the quantum dot layer and a lowest unoccupied molecular orbital energy level of the electron auxiliary layer is less than about 1.1 electronvolts.

公开(公告)号：US20160131372A1

公开(公告)日：2016-05-12

申请号：US14938147

申请日：2015-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Heung Seob CHOI ,  Seong Ryeol MYEONG ,  Jun Hyoun KWON ,  Sung Woo KIM ,  Jung Ho KIM ,  Euy Sung CHU

IPC: F24F3/14 ,  B01D53/04 ,  B01D53/26

CPC classification number: F24F3/14 ,  B01D53/0438 ,  B01D53/261 ,  B01D53/265 ,  B01D2257/80 ,  F24F3/1411 ,  F24F13/222 ,  F24F2003/1446 ,  F24F2006/008

Abstract: An appliance for dehumidification, with a body having an inflow unit and an outflow unit; a heat-exchanging apparatus to condense vapor in the air; a fan to forcedly move the air; a tray to collect condensation water descending from a cooling apparatus; a water container detachably provided at an upper portion of the body to store the condensation water; a pump to pump the condensation water from the tray to the water container; and a drain pipe to guide the condensation water from the pump to the water container. The water container may be easily separated from the appliance to empty the water container when the water container is full, and then the water container may be easily mounted again.

Abstract translation: 一种用于除湿的器具，其具有流体单元和流出单元; 用于冷凝空气中的蒸汽的热交换装置; 一个风扇强迫移动空气; 用于收集从冷却装置下降的冷凝水的托盘; 水箱，其可拆卸地设置在所述主体的上部以存储所述冷凝水; 将冷凝水从托盘泵送到水容器的泵; 以及将冷凝水从泵引导到水容器的排水管。 当水容器满时，水容器可以容易地与器具分离以排空水容器，然后再次容易地安装水容器。

公开(公告)号：US20230114604A1

公开(公告)日：2023-04-13

申请号：US18065910

申请日：2022-12-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong Seok HAN ,  Sung Woo KIM ,  Jin A KIM ,  Tae Hyung KIM ,  Kun Su PARK ,  Yuho WON ,  Jeong Hee LEE ,  Eun Joo JANG ,  Hyo Sook JANG

IPC: H01L33/06 ,  H01L33/20 ,  C09K11/88 ,  C01B19/04 ,  H01L33/26

Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.

公开(公告)号：US20230079704A1

公开(公告)日：2023-03-16

申请号：US17897609

申请日：2022-08-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung Woo KIM ,  Yuho WON ,  Eun Joo JANG ,  Hyo Sook JANG

IPC: C09K11/88 ,  C01B19/00 ,  H01L51/50

Abstract: A semiconductor nanoparticle, a production method thereof, and an electroluminescent device including the same. The production method includes: combining a magnesium precursor and an additive with a chalcogen precursor in a reaction medium including an organic solvent and an organic ligand; heating the reaction medium to a reaction temperature; and reacting the magnesium precursor and the chalcogen precursor in the presence of the additive to form a magnesium chalcogenide, wherein the semiconductor nanoparticle comprises the magnesium chalcogenide, wherein the magnesium chalcogenide comprises magnesium; and selenium, sulfur, or a combination thereof, and wherein the additive includes a hydride compound including an alkali metal, calcium, barium, aluminum, or a combination thereof.

公开(公告)号：US20230074734A1

公开(公告)日：2023-03-09

申请号：US17895253

申请日：2022-08-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yuho WON ,  Sung Woo KIM ,  Eun Joo JANG ,  Hyo Sook JANG

IPC: H01L51/50 ,  H01L51/56 ,  B82Y40/00 ,  H01L51/00

Abstract: An electroluminescent device includes a first electrode; a second electrode spaced apart from the first electrode; and a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer includes semiconductor nanoparticles, wherein the semiconductor nanoparticles do not include cadmium, the semiconductor nanoparticles have a core shell structure, the semiconductor nanoparticles include zinc, selenium, tellurium, and sulfur, wherein in a two dimensional image obtained by an electron microscopy analysis, the semiconductor nanoparticles show an average value of a circularity defined by the following equation of greater than or equal to about 0.8 and less than or equal to about 1: circularity = 4 ⁢ π × Area [ Perimeter ] 2 wherein Area is an area of a two dimensional image of an individual semiconductor nanoparticle, and Perimeter is a circumference of the two dimensional image of the individual semiconductor nanoparticle.

公开(公告)号：US20210119164A1

公开(公告)日：2021-04-22

申请号：US17132971

申请日：2020-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho KIM ,  Sung Woo KIM ,  Eun Joo JANG ,  Dae Young CHUNG

IPC: H01L51/50 ,  H01L51/00

Abstract: An electroluminescent device comprising a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode and including at least two light emitting particles, a hole transport layer disposed between the first electrode and the emission layer, and an electron transport layer disposed between the emission layer and the second electrode, wherein the electron transport layer comprises an inorganic layer disposed on the emission layer, the inorganic layer comprising a plurality of inorganic nanoparticles; and an organic layer directly disposed on at least a portion of the inorganic layer on a side opposite the emission layer, wherein a work function of the organic layer is greater than a work function of the inorganic layer.

公开(公告)号：US20200227663A1

公开(公告)日：2020-07-16

申请号：US16561474

申请日：2019-09-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo KIM ,  Kun Su PARK ,  Dae Young CHUNG ,  Eun Joo JANG

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00

Abstract: A quantum dot device including an anode and a cathode facing each other; a quantum dot layer between the anode and the cathode; a hole transport layer between the anode and the quantum dot layer, the hole transport layer being configured to increase a hole transporting property from the anode to the quantum dot layer; an inorganic electron transport layer between the cathode and the quantum dot layer, the inorganic electron transport layer being configured to increase an electron transporting property from the cathode to the quantum dot layer; and an inorganic electron controlling layer between the cathode and the quantum dot layer, the inorganic electron controlling layer being configured to decrease an electron transporting property from the cathode to the quantum dot layer, and an electronic device including the same.

公开(公告)号：US20190280235A1

公开(公告)日：2019-09-12

申请号：US16299944

申请日：2019-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho KIM ,  Sung Woo KIM ,  Eun Joo JANG ,  Dae Young CHUNG

IPC: H01L51/50 ,  H01L51/00

Abstract: An electroluminescent device comprising a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode and including at least two light emitting particles, a hole transport layer disposed between the first electrode and the emission layer, and an electron transport layer disposed between the emission layer and the second electrode, wherein the electron transport layer comprises an inorganic layer disposed on the emission layer, the inorganic layer comprising a plurality of inorganic nanoparticles; and an organic layer directly disposed on at least a portion of the inorganic layer on a side opposite the emission layer, wherein a work function of the organic layer is greater than a work function of the inorganic layer.

公开(公告)号：US20190276738A1

公开(公告)日：2019-09-12

申请号：US16298276

申请日：2019-03-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung KIM ,  Jeong Hee LEE ,  Sung Woo KIM ,  Jin A KIM ,  Yuho WON ,  Eun Joo JANG

IPC: C09K11/88 ,  H01L51/50

Abstract: A quantum dot includes a core including a first semiconductor nanocrystal material including zinc, tellurium, and selenium; and a semiconductor nanocrystal shell disposed on (e.g., directly on) the core and including zinc, selenium, and sulfur, wherein the quantum dot does not include cadmium, wherein a size of the quantum dot is greater than or equal to about 10 nanometers (nm) and the quantum dot includes at least four protrusions. A production method thereof and an electronic device including the same are also disclosed.