Patents by Inventor Sung-Woo Jang

Sung-Woo Jang 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).

  • Patent number: 12146091
    Abstract: 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: Grant
    Filed: April 10, 2023
    Date of Patent: November 19, 2024
    Assignees: SAMSUNG DISPLAY CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Kim, Eun Joo Jang, Hyo Sook Jang, Hwea Yoon Kim, Yuho Won
  • Publication number: 20240372045
    Abstract: A display device includes a substrate including a display area surrounded by a non-display area, a bank structure disposed on the substrate in the display area and including a plurality of openings, a plurality of light emitting elements disposed in the openings, a first dam disposed on the substrate in the non-display area and spaced apart from the bank structure, and a second dam spaced apart from the first dam in the non-display area, wherein the bank structure includes a first bank layer and a second bank layer disposed on the first bank layer, wherein the first dam includes a first sub-dam structure and a second sub-dam structure disposed on the first sub-dam structure, and the second bank layer includes tips protruding from sidewalls of the first bank layer, and the second sub-dam structure includes tips protruding from sidewalls of the first sub-dam structure.
    Type: Application
    Filed: January 24, 2024
    Publication date: November 7, 2024
    Inventors: Kyeong Woo JANG, Se Wan SON, Sung Ho KIM, Min Woo WOO, Seung Hyun LEE, Wang Woo LEE, Ji Seon LEE, Sug Woo JUNG, Hye Ri CHO
  • Patent number: 12114518
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: October 8, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Kim, Chan Su Kim, Tae Ho Kim, Kun Su Park, Eun Joo Jang, Jin A Kim, Tae Hyung Kim, Jeong Hee Lee
  • Publication number: 20240330197
    Abstract: A storage device may generate a compression journal based on N target journals among a plurality of journals and store the compression journal in a memory in which the plurality of journals are stored. In this case, each of the plurality of journals may include a logical address area index, an old physical address area index, and a new physical address area index. The new physical address area indexes of target journals may be the same. In addition, the compression journal may include a new physical address area index common to the target journals.
    Type: Application
    Filed: July 19, 2023
    Publication date: October 3, 2024
    Inventors: Kwang Hun LEE, In Sung SONG, Chul Woo LEE, Jin Won JANG, Jae Hoon HEO
  • Patent number: 12084446
    Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device which can be deposited at a low deposition temperature and/or in which clogging is reduced.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 10, 2024
    Assignee: Rohm and Haas Electronic Materials Korea
    Inventors: Hong-Se Oh, Sung-Woo Jang, Joon-Hyung Kil, Seon-Jin Hwang, Seung-Ae Kim, Hee-Ryong Kang, Sang-Hee Cho, Hyo-Soon Park
  • Publication number: 20240254388
    Abstract: 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: Application
    Filed: April 9, 2024
    Publication date: August 1, 2024
    Inventors: Yuho WON, Sung Woo KIM, Jin A KIM, Jeong Hee LEE, Tae Hyung KIM, Eun Joo JANG
  • Patent number: 12041802
    Abstract: Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: July 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin A Kim, Yuho Won, Sung Woo Kim, Tae Hyung Kim, Jeong Hee Lee, Eun Joo Jang
  • Publication number: 20240120087
    Abstract: The present specification provides a method and apparatus capable of efficiently transmitting data related to test results made by a plurality of measuring instruments. The method of transmitting measurement result data according to the present specification may transmit identification information on a measuring instrument in which a positive reaction is detected to a server. As a result, data made by the plurality of measuring instruments may be transmitted with a small capacity, and thus communication resources can be saved.
    Type: Application
    Filed: November 28, 2022
    Publication date: April 11, 2024
    Applicant: 1DROP INC.
    Inventors: Sung Woo Jang, Joo Won Rhee
  • Publication number: 20230217820
    Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by the following formula 1 and at least one second host compound represented by the following formula 2, and an organic electroluminescent device comprising the same. By comprising the specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics can be provided.
    Type: Application
    Filed: December 6, 2022
    Publication date: July 6, 2023
    Inventors: Doo-Hyeon MOON, Sung-Woo JANG, Mi-Ja LEE, Kyoung-Jin PARK, Du-Yong PARK, Hyo-Soon PARK
  • Publication number: 20220162210
    Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device which can be deposited at a low deposition temperature and/or in which clogging is reduced.
    Type: Application
    Filed: March 24, 2020
    Publication date: May 26, 2022
    Inventors: Hong-Se OH, Sung-Woo JANG, Joon-Hyung KIL, Seon-Jin HWANG, Seung-Ae KIM, Hee-Ryong KANG, Sang-Hee CHO, Hyo-Soon PARK
  • Patent number: 11309102
    Abstract: Provided is a power cable, and more particularly, to an ultra-high-voltage underground or submarine cable. In detail, the present invention relates to a power cable which is capable of effectively preventing a decrease in dielectric strength due to penetration of copper powder from a copper conductor into an insulating layer, thereby increasing the lifespan thereof, is capable of preventing damage to insulating paper, semiconductor paper, etc. even when repeatedly bent and unfolded, thereby maintaining an interlayer structure formed by winding the insulating paper, the semiconductor paper, etc., and is capable of improving bendability, flexibility, installability, workability, etc.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: April 19, 2022
    Assignee: LS CABLE & SYSTEM LTD.
    Inventors: Sung Woo Jang, Jae Cheol Gwag
  • Patent number: 11171302
    Abstract: The present disclosure relates to an organic electroluminescent device comprising an organic electroluminescent compound of high refractive index. According to the present disclosure, an organic electroluminescent device having decreased thickness while implementing a desired color coordinate, or implementing deeper color coordinate in the same device thickness can be provided. As such, the production efficiency of the device can be increased by decreasing the material amount used in the organic electroluminescent device or a broader light-emitting zone can be obtained due to deeper color characteristic in the same device thickness.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 9, 2021
    Inventors: Sung-Woo Jang, Dong-Hyung Lee, Sang-Hee Cho, Nam-Kyun Kim
  • Publication number: 20210335517
    Abstract: Provided is a power cable, and more particularly, to an ultra-high-voltage underground or submarine cable. In detail, the present invention relates to a power cable which is capable of effectively preventing a decrease in dielectric strength due to penetration of copper powder from a copper conductor into an insulating layer, thereby increasing the lifespan thereof, is capable of preventing damage to insulating paper, semiconductor paper, etc. even when repeatedly bent and unfolded, thereby maintaining an interlayer structure formed by winding the insulating paper, the semiconductor paper, etc., and is capable of improving bendability, flexibility, installability, workability, etc.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 28, 2021
    Inventors: Sung Woo JANG, Jae Cheol GWAG
  • Publication number: 20210159444
    Abstract: The present disclosure relates to an organic electroluminescent device comprising an organic electroluminescent compound of high refractive index. According to the present disclosure, an organic electroluminescent device having decreased thickness while implementing a desired color coordinate, or implementing deeper color coordinate in the same device thickness can be provided. As such, the production efficiency of the device can be increased by decreasing the material amount used in the organic electroluminescent device or a broader light-emitting zone can be obtained due to deeper color characteristic in the same device thickness.
    Type: Application
    Filed: May 31, 2018
    Publication date: May 27, 2021
    Inventors: Sung-Woo JANG, Dong-Hyung LEE, Sang-Hee CHO, Nam-Kyun KIM
  • Publication number: 20200332183
    Abstract: Disclosed herein are combinations of a dopant compound and a host compound. The dopant being an Iridium complex and the host being a carbazole derivative. Also made known are electroluminescent devices comprising the same.
    Type: Application
    Filed: November 4, 2015
    Publication date: October 22, 2020
    Inventors: Hyun Kim, Hee-Ryong Kang, Sung-Woo Jang, Bitnari Kim
  • Patent number: 10276808
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure is capable of producing an organic electroluminescent device with reasonably improved color purity and efficiency.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: April 30, 2019
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hyun Kim, Ga-Won Lee, Sung-Woo Jang
  • Publication number: 20180351114
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure is capable of producing an organic electroluminescent device with reasonably improved color purity and efficiency.
    Type: Application
    Filed: December 9, 2016
    Publication date: December 6, 2018
    Inventors: Hyun Kim, Ga-Won Lee, Sung-Woo Jang
  • Patent number: 10033001
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device showing excellence in color purity, solubility, heat stability, driving voltage, current efficiency, and power efficiency, as well as remarkably improved lifespan.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: July 24, 2018
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hyun Kim, So-Young Jung, Sung-Woo Jang, Ga-Won Lee
  • Publication number: 20170335181
    Abstract: Disclosed herein are combinations of a dopant compound and a host compound. The dopant being an Iridium complex and the host being a carbazole derivative. Also made known are electroluminescent devices comprising the same.
    Type: Application
    Filed: November 4, 2015
    Publication date: November 23, 2017
    Inventors: Hyun Kim, Hee-Ryong Kang, Sung-Woo Jang, Bitnari Kim
  • Publication number: 20170317297
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device showing excellence in color purity, solubility, heat stability, driving voltage, current efficiency, and power efficiency, as well as remarkably improved lifespan.
    Type: Application
    Filed: November 6, 2015
    Publication date: November 2, 2017
    Inventors: Hyun Kim, So-Young Jung, Sung-Woo Jang, Ga-Won Lee