Patents by Inventor Eun-Joo Kim

Eun-Joo 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).

  • Publication number: 20210371734
    Abstract: A quantum dot including a core including a quaternary alloy semiconductor nanocrystal and not including cadmium, a composition and a quantum dot polymer composite including the same, and an electronic device including the same. The quaternary alloy semiconductor nanocrystal comprises indium (In), phosphorous (P), zinc (Zn), and selenium (Se), and in the core, a ratio of the zinc with respect to the indium is less than or equal to about 0.5:1 and in the core, a ratio of selenium with respect to zinc is less than or equal to about 0.6:1.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Soo Kyung KWON, Yong Wook KIM, Jihyun MIN, Eun Joo JANG
  • Patent number: 11180694
    Abstract: 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: Grant
    Filed: April 17, 2020
    Date of Patent: November 23, 2021
    Assignee: 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
  • Patent number: 11182015
    Abstract: Disclosed is an organic light emitting display device with a touch sensor. The display device has a touch sensor that is directly disposed on a sealing part, thus removing the necessity of an additional adhesion process, simplifying a manufacturing process and reducing manufacture cost. In addition, the display device with the touch sensor includes a display cover electrode of a display pad that is made of a same material as a conductive layer included in the touch sensor, thus preventing damage to the display pad electrode.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: November 23, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Hye Lee, Min-Joo Kim, Jae-Young Oh, Jae-Won Lee
  • Patent number: 11181719
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.4<L1TR/L7TR<1.9, where L1TR is an overall outer diameter of the first lens, L7TR is an overall outer diameter of the seventh lens, and L1TR and L7TR are expressed in a same unit of measurement.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: November 23, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul Kim, Eun Chong Lee, Yong Joo Jo, Ga Young An
  • Publication number: 20210355240
    Abstract: A protein transduction domain and a fusion compound, which are more efficient, are proposed. As a result of selecting and testing a number of candidate peptides, the present inventors found that a GK1 peptide comprising 18 amino acids and a modified sequence obtained by replacing, adding, or deleting some sequences are bonded to high-molecular-weight materials such as proteins based on the basic sequence of the peptide, thus enabling the high-molecular-weight materials to smoothly penetrate into living bodies, for example, cells, tissues, or blood. A fusion compound, oligonucleotide, or vector using the same may be applied as a pharmaceutical composition for preventing or treating diseases.
    Type: Application
    Filed: October 30, 2020
    Publication date: November 18, 2021
    Inventors: Soo-Young CHOI, Jin-Seu PARK, Kyuhyung HAN, Keunwook LEE, Jong Kook PARK, Sunghou LEE, Sung Ho LEE, Soojung PARK, Won Sik EUM, Min Jea SHIN, Hyeon Ji YEO, Eun Ji YEO, Yeon Joo CHOI, Eun Jeong SOHN, Hyun Ju CHA, Hyun Jung KWON, Dae Won KIM
  • Publication number: 20210359238
    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.
    Type: Application
    Filed: July 28, 2021
    Publication date: November 18, 2021
    Inventors: Sung Woo KIM, Tae Ho KIM, Eun Joo JANG, Hongkyu SEO, Sang Jin LEE, Dae Young CHUNG, Oul CHO
  • Publication number: 20210348055
    Abstract: A quantum dot including a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium, and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, and selenium, sulfur, or a combination thereof, wherein the quantum dot does not include cadmium, a mole ratio of tellurium relative to selenium in the first semiconductor nanocrystal is greater than about 1:1, a mole ratio of a sum of selenium and sulfur relative to in the quantum dot is greater than about 1:1, a wavelength of a maximum emission peak of the quantum dot is in a range of about 500 nanometers (nm) to about 550 nm, and the quantum dot has quantum efficiency (QY) of greater than or equal to about 30%, a quantum dot-polymer composite including the quantum dot, a display device including the quantum dot-polymer composite, and an electroluminescent device including the quantum dot.
    Type: Application
    Filed: April 29, 2021
    Publication date: November 11, 2021
    Inventors: Soo Kyung KWON, Yong Wook KIM, Seon-Yeong KIM, Ji-Yeong KIM, Jihyun MIN, Eun Joo JANG, Seonmyeong CHOI, Sungwoo HWANG
  • Patent number: 11171299
    Abstract: A quantum dot device including an anode; a cathode disposed substantially opposite to the anode; a hole injection layer disposed on the anode between the anode and the cathode; a hole transport layer disposed on the hole injection layer between the hole injection layer and the cathode; and a quantum dot layer disposed on the hole transport layer between the hole transport layer and the cathode, wherein the quantum dot layer includes a plurality of quantum dots, wherein the hole transport layer includes a hole transport material and an electron transport material, and wherein a lowest unoccupied molecular orbital (LUMO) energy level of the electron transport material and a lowest unoccupied molecular orbital (LUMO) energy level of the quantum dot layer is about 0.5 electron volts or less.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: November 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hongkyu Seo, Eun Joo Jang, Moon Gyu Han, Tae Ho Kim, Dae Young Chung
  • Patent number: 11171291
    Abstract: An electroluminescent device and including a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a quantum dot and a first electron transporting material represented by Chemical Formula 1; a hole transport layer disposed between the emission layer and the first electrode; and an electron transport layer disposed between the emission layer and the second electrode: wherein, the definitions of groups and variables in Chemical Formula 1 are the same as described in the specification.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Sik Yoon, Moon Gyu Han, Tae Ho Kim, Eun Joo Jang, Hongkyu Seo
  • Publication number: 20210335800
    Abstract: A method for fabricating semiconductor device includes forming an alternating stack that includes a lower multi-layered stack and an upper multi-layered stack by alternately stacking a dielectric layer and a sacrificial layer over a substrate, forming a vertical trench that divides the upper multi-layered stack into dummy stacks, and forming an asymmetric stepped trench that is extended downward from the vertical trench to divide the lower multi-layered stack into a pad stack and a dummy pad stack, wherein forming the asymmetric stepped trench includes forming a first stepped sidewall that is defined at an edge of the pad stack, and forming a second stepped sidewall that is defined at an edge of the dummy pad stack and occupies less area than the first stepped sidewall.
    Type: Application
    Filed: July 6, 2021
    Publication date: October 28, 2021
    Inventors: Eun-Ho KIM, Eun-Joo JUNG, Jong-Hyun YOO, Ki-Jun YUN, Sung-Hoon LEE
  • Patent number: 11155266
    Abstract: An active roll control apparatus is provided. The apparatus includes a first actuator that is disposed adjacent to front wheels or rear wheels and is configured to adjust roll stiffness. A controller operates the first actuator in a reverse phase control manner in a roll angle increasing direction when a vehicle is in a low-friction turning driving state.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: October 26, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byoung-Joo Kim, Eun-Woo Na
  • Patent number: 11142693
    Abstract: A nanoplatelet including a two-dimensional template including a first semiconductor nanocrystal; and a first shell including a second semiconductor nanocrystal disposed on a surface of the two-dimensional template, the second semiconductor nanocrystal having a composition different from the first semiconductor nanocrystal, wherein the second semiconductor nanocrystal includes a Group III-V compound, and wherein the nanoplatelet does not include cadmium.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jihyun Min, Eun Joo Jang, Yong Wook Kim
  • Patent number: 11144833
    Abstract: Provided are a data processing apparatus and method for merging and processing deterministic knowledge and non-deterministic knowledge. The data processing apparatus and method may efficiently process various real-time and large-scale data to convert the data into knowledge by merging and processing non-deterministic knowledge and also deterministic knowledge perceived by an expert. Thus, it is possible to adaptively operate in accordance with a dynamically changing application service environment by converting a conversion rule for converting collected data generated from an application service system into semantic data, a context awareness rule for perceiving context information from given information, and a user query for searching for knowledge information into knowledge and gradually augmenting the knowledge information in accordance with an application service environment.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: October 12, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Hyun Kwon, Eun Joo Kim, Hong Kyu Park, Hyun Joong Kang, Kwi Hoon Kim, Young Min Kim, Hyun Jae Kim, Ji Hoon Bae, Se Won Oh, Jae Hak Yu, Yeon Hee Lee, Ho Sung Lee, Nae Soo Kim, Sun Jin Kim, Cheol Sig Pyo
  • Patent number: 11142685
    Abstract: A cadmium free quantum dot not including cadmium and including: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, a composition and composite including the same, and an electronic device.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yuho Won, Nayoun Won, Sungwoo Hwang, Eun Joo Jang, Soo Kyung Kwon, Yong Wook Kim, Jihyun Min, Garam Park, Shang Hyeun Park, Hyo Sook Jang, Shin Ae Jun, Yong Seok Han
  • Publication number: 20210303125
    Abstract: The present disclosure relates to a display device for improving productivity. The display device having a touch sensor is configured such that the total thickness of at least one inorganic insulation layer disposed on the region above each of dams is different from the total thickness of the at least one inorganic insulation layer disposed on a trench region between the dams. Thus, a photoresist for forming a routing line is formed so as to have a uniform thickness on the region above each of the dams and the trench region between the dams, and thus productivity is improved.
    Type: Application
    Filed: June 11, 2021
    Publication date: September 30, 2021
    Inventors: Jae-Hyung JANG, Min-Joo KIM, Eun-Pyo HONG, Jae-Won LEE, Sang-Hoon PAK, Sang-Hyuk WON, Yeon-Woo SHIN, Ji-Hun LEE
  • Patent number: 11133468
    Abstract: A semiconductor-ligand composite, including a semiconductor nanocrystal and a ligand layer including an organic ligand coordinated on a surface of the semiconductor nanocrystal, wherein the organic ligand includes a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2 or a combination thereof, wherein Chemical Formula 1 and Chemical Formula 2 are given below and are the same as described in detail herein.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaejun Chang, O Hyun Kwon, Tae Hyung Kim, Jhun Mo Son, Sang Jin Lee, Eun Joo Jang, Dae Young Chung
  • Publication number: 20210296608
    Abstract: A quantum dot device including a first electrode and a second electrode each having a surface opposite the other, a quantum dot layer disposed between the first electrode and the second electrode, and an electron auxiliary layer disposed between the quantum dot layer and the second electrode, wherein the electron auxiliary layer includes inorganic nanoparticles including an alkaline-earth metal, and an alkali metal, an alkali metal compound, or a combination thereof, and an electronic device including the quantum dot device.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 23, 2021
    Inventors: Heejae LEE, Moon Gyu HAN, Won Sik YOON, Eun Joo JANG, Dae Young CHUNG, Tae Hyung KIM, Hyo Sook JANG
  • Publication number: 20210284966
    Abstract: The present invention relates to a medium for inducing differentiation of dedifferentiated stem cells into mesenchymal stem cells, a method for preparing mesenchymal stem cells from dedifferentiated stem cells by using the same, and mesenchymal stem cells prepared by using the same. The mesenchymal stem cells prepared using the above medium and method can be differentiated into various target cells, and thus can be useful as a cell therapeutic agent for congenital and acquired musculoskeletal diseases and injuries.
    Type: Application
    Filed: April 3, 2018
    Publication date: September 16, 2021
    Inventors: Kyu Shik JEONG, Hyun Sook PARK, Eun Joo LEE, Sun Ray LEE, Yong Deuk KIM, Myung Jin CHUNG, Eun Mi LEE, Sul Gi JEON
  • Publication number: 20210288258
    Abstract: The present disclosure provides a technique capable of improving durability (particularly luminescence life-span) of an electroluminescence. In order to solve the above problems, the present disclosure provides an arylamine-fluorene alternating copolymer having a structural unit (A) represented by Chemical Formula (1).
    Type: Application
    Filed: March 5, 2021
    Publication date: September 16, 2021
    Inventors: Masashi TSUJI, Takahiro FUJIYAMA, Yusaku KONISHI, Dae Young CHUNG, Fumiaki KATO, Jaejun CHANG, Keigo FURUTA, Takao MOTOYAMA, Eun Joo JANG, Hyo Sook JANG, Tae Ho KIM, Tomoyuki KIKUCHI, Yuho WON
  • Publication number: 20210284905
    Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.
    Type: Application
    Filed: May 5, 2021
    Publication date: September 16, 2021
    Inventors: Ha Il KWON, Tae Gon KIM, Shang Hyeun PARK, Eun Joo JANG, Shin Ae JUN, Garam PARK