Patents by Inventor Sung-Woo Kim
Sung-Woo Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11923346Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.Type: GrantFiled: September 6, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Jin Lee, Jin Yeong Kim, Jin Taek Kim, Mi Jin Park, Jin Woo Lee, Kwang Taek Hong
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Patent number: 11917818Abstract: A memory may include a first wafer, and a second wafer stacked on and bonded to the first wafer. The first wafer may include a cell structure including a memory cell array; and a first logic structure disposed under the cell structure, and including a row control circuit. The second wafer may include a second logic structure including a column control circuit.Type: GrantFiled: November 25, 2022Date of Patent: February 27, 2024Assignee: SK HYNIX INC.Inventors: Sung Lae Oh, Sang Woo Park, Dong Hyuk Chae, Ki Soo Kim
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Patent number: 11917879Abstract: A display device including: a substrate; an active layer disposed on the substrate and including active patterns; a first conductive layer disposed on the active layer; a second conductive layer disposed on the first conductive layer and including a data line; a third conductive layer disposed on the second conductive layer; and a light-emitting element disposed on the third conductive layer, wherein the first conductive layer includes a scan line, a first voltage line, and a second voltage line, the third conductive layer includes a third voltage line connected to the first voltage line and a fourth voltage line connected to the second voltage line, the first voltage line and the second voltage line extend in a first direction, the third voltage line and the fourth voltage line extend in a second direction, and the third voltage line and the fourth voltage line are alternately arranged in the first direction.Type: GrantFiled: December 13, 2021Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kang Moon Jo, Dong Woo Kim, Sung Jae Moon, Jun Hyun Park, An Su Lee
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Patent number: 11912443Abstract: The present invention relates to a film wrapping machine for a product packing device using a stretch film, including a frame having vertical bars extending upward and spaced apart from each other, a film clamping unit including a pair of suction pads which are moved in a direction of being spaced apart from each other in a state of adsorbing the stretch film so that a front end portion of the stretch film supplied from a film supply device is opened, and a plurality of clamps configured to grip the front end portion of the stretch film opened by the suction pads, receive the stretch film whose upper end is cut and bonded by the film supply device in a wrinkled state, and process the stretch film to be covered on a product in a process of lowering the vertical bars, and a controller which controls operation of the film clamping unit and the film supply device.Type: GrantFiled: April 13, 2022Date of Patent: February 27, 2024Assignee: YULWON ENGINEERING CO., LTD.Inventors: Chang-Sik Mun, Young-Woo Park, Sung-Jin Kim
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Patent number: 11871594Abstract: An electroluminescent device and a display device including the electroluminescent device. The electroluminescent device includes a first electrode and a second electrode each having a surface opposite the other; a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer including quantum dots; and an electron transport layer disposed between the light emitting layer and the second electrode, the electron transport layer including inorganic material nanoparticles including an anion dopant including P, N, C, Cl, F, Br, S, or a combination thereof.Type: GrantFiled: October 19, 2022Date of Patent: January 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung woo Kim, Moon Gyu Han, Eun joo Jang, Kun su Park
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Publication number: 20230407700Abstract: The present invention relates to an in-building access path installation type smoke control system. An in-building access path installation type smoke control system is openably and closably installed in an in-building access path and includes a door casing having an intake port and a discharge port, a door nozzle installed in the door casing and configured to spray water supplied from the outside, and a main door body including a negative pressure inducer configured to allow water sprayed from the door nozzle to pass therethrough, generate negative pressure on the basis of the Venturi effect while the water passes therethrough, suck gas at the periphery of the door casing through the intake port, mix the sucked gas with water, and move the gas mixed with the water downward toward the discharge port.Type: ApplicationFiled: November 2, 2021Publication date: December 21, 2023Applicant: Jung Gyu KIMInventor: Sung Woo KIM
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Patent number: 11834597Abstract: A method of producing a quantum dot comprising zinc selenide, the method comprising: providing an organic ligand mixture comprising a carboxylic acid compound, a primary amine compound, a secondary amide compound represented by Chemical Formula 1, and a first organic solvent: RCONHR??Chemical Formula 1 wherein each R is as defined herein; heating the organic ligand mixture in an inert atmosphere at a first temperature to obtain a heated organic ligand mixture; adding a zinc precursor, a selenium precursor, and optionally a tellurium precursor to the heated organic ligand mixture to obtain a reaction mixture, wherein the zinc precursor does not comprise oxygen; and heating the reaction mixture at a first reaction temperature to synthesize a first semiconductor nanocrystal particle.Type: GrantFiled: November 22, 2021Date of Patent: December 5, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeong Hee Lee, Hyun A Kang, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Yuho Won, Eun Joo Jang
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Patent number: 11800929Abstract: An embodiment of the present invention provides a pull-out system comprising: at least two slide rails each having a fixed rail, a middle rail slidably arranged on the fixed rail, and a movable rail slidably arranged on the middle rail; and a synchronization means for synchronizing the movement of the movable rail, wherein the synchronization means comprises a roller unit, a synchronization bar connected to the roller unit, and a deflectable element having an end portion fixe to the roller unit and an opposite end portion connected to the movable rail, and the movable rail is configured to move as much as the amount of rotation of the roller unit.Type: GrantFiled: March 11, 2020Date of Patent: October 31, 2023Assignee: SEGOS CO., LTD.Inventors: Doo Myun Lee, Sung Joon Kang, In Suk Ra, Jung Kyu Lim, Sung Woo Kim, Jae Hyuk Lim, Dong Wook Kim
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Patent number: 11796193Abstract: An air conditioner installable on a window frame and having a ventilation function. The air conditioner comprises a cabinet comprising a first inlet hole, a second inlet hole and a third inlet hole, a first heat exchanger provided inside the cabinet to allow indoor air, which is introduced through the first inlet hole, to exchange heat, a second heat exchanger provided inside the cabinet to allow outdoor air, which is introduced through the second inlet hole, to exchange heat, and a third heat exchanger provided inside the cabinet to be located between the first heat exchanger and the second heat exchanger in a height direction of the cabinet, and provided to allow outdoor air, which is introduced through the third inlet hole, and condensed water, which is generated in the first heat exchanger, to exchange heat with each other.Type: GrantFiled: January 22, 2020Date of Patent: October 24, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Woo Kim, Jong Youb Kim
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Patent number: 11793011Abstract: 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.Type: GrantFiled: July 28, 2021Date of Patent: October 17, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Woo Kim, Tae Ho Kim, Eun Joo Jang, Hongkyu Seo, Sang Jin Lee, Dae Young Chung, Oul Cho
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Publication number: 20230321471Abstract: A smoke and toxic gas suction removal-type firefighting nozzle device is disclosed. The smoke and toxic gas suction removal-type firefighting nozzle device includes a spray head configured to receive water supplied from a fire hose and spray the water forward through an inner passage, the spray head having a plurality of intake holes that opens the inner passage to the outside, and a gas introduction guider embedded in the spray head and configured to guide an inlet gas flowing into the spray head through the intake hole by the Venturi phenomenon implemented by the sprayed water such that the inlet gas is mixed with water.Type: ApplicationFiled: September 6, 2021Publication date: October 12, 2023Applicant: KIM, Jung GyuInventor: Sung Woo KIM
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Publication number: 20230313038Abstract: A quantum dot comprising a core comprising a first semiconductor nanocrystal comprising zinc, selenium, and optionally tellurium; and a shell disposed on the core and comprising a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, and comprising zinc and at least one of sulfur and selenium, wherein the shell comprises at least three branches extending from the core, wherein at least one of the branches has a length of greater than or equal to about 2 nm, the quantum dot emits blue light comprising a maximum emission peak at a wavelength of less than or equal to about 470 nm, a full width at half maximum (FWHM) of the maximum emission peak is less than about 35 nm, and the quantum dot does not comprise cadmium.Type: ApplicationFiled: April 18, 2023Publication date: October 5, 2023Inventors: Sung Woo KIM, Jin A. KIM, Tae Hyung KIM, Jeong Hee LEE, Eun Joo JANG
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Patent number: 11758746Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; a hole transport layer between the first electrode and the second electrode; a light emitting layer including a first light emitting layer disposed between the hole transport layer and the second electrode and including a first quantum dot and a second light emitting layer between the first light emitting layer and the second electrode and including a second quantum dot; and an electron transport layer between the light emitting layer and the second electrode. Each of the first and second light emitting layers emits first light, hole transport capability per unit area and electron transport capability per unit area of the first quantum dot are greater than hole transport capability per unit area and electron transport capability per unit area of the second quantum dot, respectively.Type: GrantFiled: August 22, 2022Date of Patent: September 12, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sujin Park, Yuho Won, Eun Joo Jang, Dae Young Chung, Sung Woo Kim, Jin A Kim, Yong Seok Han
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Publication number: 20230276643Abstract: A light emitting device includes: a first electrode and a second electrode with a surface facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a quantum dot (e.g., a plurality of quantum dots); and an electron auxiliary layer disposed between the emission layer and the second electrode. The electron auxiliary layer includes a first layer including a first metal oxide, and a second layer disposed on the first layer and including a second metal oxide. A roughness of an interface between the second layer and the second electrode is less than about 10 nm as determined by an electron microscopy analysis. An absolute value of a difference between a conduction band edge energy level of the second layer and a work function of the second electrode may be less than or equal to about 0.5 eV, and a conduction band edge energy level of the first layer may be less than the conduction band edge energy level of the second layer.Type: ApplicationFiled: April 14, 2023Publication date: August 31, 2023Inventors: Heejae LEE, Sung Woo KIM, Eun Joo JANG, Dae Young CHUNG, Moon Gyu HAN
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Publication number: 20230276706Abstract: Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.Type: ApplicationFiled: July 20, 2021Publication date: August 31, 2023Inventors: Soon-wook CHA, Sung-woo KIM, Ji-won LEE, Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
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Publication number: 20230262967Abstract: A semiconductor memory device may include a substrate including a cell region and a peripheral region along a periphery of the cell region; a cell region isolation layer along the periphery of the cell region in the substrate and defining the cell region; a cell conductive line on the cell region and including a sidewall on the cell region isolation layer; a peripheral gate conductive layer on the peripheral region and including a sidewall on the cell region isolation layer; and an isolation insulating layer in contact with the sidewall of the cell conductive line and the sidewall of the peripheral gate conductive layer on the cell region isolation layer.Type: ApplicationFiled: October 21, 2022Publication date: August 17, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Jun Hyeok AHN, Sung Woo Kim, Myeong-Dong LEE, Min Ho CHOI
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Publication number: 20230256401Abstract: A blender includes a proximal section having a proximal upper housing and a proximal lower housing, a distal section having a distal upper housing and a distal lower housing, at least one intermediate section disposed between the proximal section and the distal section and coupleable thereto, each of the at least one intermediate section including an intermediate upper housing and an intermediate lower housing, a shaft extending through the proximal section, the distal section and the at least one intermediate section, and at least one blade disposed on the shaft.Type: ApplicationFiled: April 26, 2021Publication date: August 17, 2023Applicant: Merck Sharp & Dohme LLCInventors: William Blincoe, James C. DiNunzio, M. Sebastian Escotet Espinoza, Sung Woo Kim, Graciela Terife
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Publication number: 20230250337Abstract: A quantum dot according to an embodiment includes a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium and a semiconductor nanocrystal shell on the core, the semiconductor nanocrystal shell including a zinc chalcogenide, wherein the quantum dot does not include cadmium, the zinc chalcogenide includes zinc and selenium, the quantum dot further includes gallium and a primary amine having 5 or more carbon atoms, and the quantum dot is configured to emit light having a maximum emission peak in a range of greater than about 450 nanometers (nm) and less than or equal to about 480 nm by excitation light. A method of producing the quantum dot and an electronic device including the same are also disclosed.Type: ApplicationFiled: April 10, 2023Publication date: August 10, 2023Inventors: Sung Woo KIM, Eun Joo JANG, Hyo Sook JANG, Hwea Yoon KIM, Yuho WON
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Publication number: 20230232650Abstract: An organoelectroluminescent device according to the present invention is capable of low voltage driving, has an excellent external quantum efficiency and exhibits highly efficient light-emitting characteristics by employing compounds having distinct structures, as a hole transport material and a dopant material, in a hole injection layer or a hole transport layer, and a light-emitting layer, respectively, and thus can be industrially utilized in a flat display device, a flexible display device, a monochrome or white flat panel lighting apparatus, a monochrome or white flexible lighting apparatus and the like.Type: ApplicationFiled: March 19, 2021Publication date: July 20, 2023Applicant: SFC CO., LTDInventors: Chun-young LEE, Yoo-na SHIN, Tae-young KIM, Sung-woo KIM, Ji-won LEE
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Publication number: 20230212456Abstract: A quantum dot including: a core including a first semiconductor nanocrystal material including zinc, tellurium, and selenium; and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, selenium, and sulfur, wherein the quantum dot does not include cadmium, and in the quantum dot, a mole ratio of the sulfur with respect to the selenium is less than or equal to about 2.4:1. A production method of the quantum dot and an electronic device including the same are also disclosed.Type: ApplicationFiled: February 24, 2023Publication date: July 6, 2023Inventors: Yuho WON, Sung Woo KIM, Jin A KIM, Jeong Hee LEE, Tae Hyung KIM, Eun Joo JANG