Patents by Inventor Jeong-hwan Jeon

Jeong-hwan Jeon 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: 12041845
    Abstract: The present disclosure relates to an organic electroluminescent compound comprising a ligand represented by formula 1, and an organic electroluminescent device comprising the same. The organic electroluminescent device having a luminescent efficiency higher than a conventional organic electroluminescent device can be provided by comprising the organic electroluminescent compound of the present disclosure.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: July 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hyun Kim, Jeong-Hwan Jeon, Seon-Jin Hwang, Ga-Won Lee, Hong-Se Oh
  • Publication number: 20240208924
    Abstract: The present disclosure relates to compounds and organic electroluminescent devices comprising them.
    Type: Application
    Filed: December 5, 2023
    Publication date: June 27, 2024
    Inventors: Eun-Joung CHOI, Hae-Yeon KIM, So-Mi PARK, Jeong-Hwan JEON, So-Young JUNG, Yoo-Jin DOH, Dominea RATHWELL, Mi-Ran SEO
  • Publication number: 20240206311
    Abstract: The present disclosure relates to organic electroluminescent devices. The organic electroluminescent device according to the present disclosure exhibits improved lifespan characteristics and progressive driving voltage by including at least one deuterated compound(s).
    Type: Application
    Filed: October 17, 2023
    Publication date: June 20, 2024
    Inventors: Eun-Joung CHOI, Hae-Yeon KIM, Jin-Man KIM, Chi-Sik KIM, Soo-Yong LEE, So-Mi PARK, Jeong-Hwan JEON, Dong-Hyung LEE, Dominea RATHWELL, Yoo-Jin DOH, Mi-Ran SEO
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Patent number: 11927957
    Abstract: Among other things, a system provides speed behavior planning for vehicles with autonomous driving capabilities.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 12, 2024
    Assignee: Motional AD LLC
    Inventors: Dmytro S. Yershov, Jeong hwan Jeon, Tichakorn Wongpiromsarn, Eric Wolff
  • Patent number: 11912916
    Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having lower operating voltage, higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: February 27, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hyun Kim, Ji-Song Jun, Jeong-Hwan Jeon, Yeon-Gun Lee, Seon-Jin Hwang, Young-Jun Cho
  • Patent number: 11835948
    Abstract: Among other things, we describe systems and method for improving vehicle operations using movable sensors. A vehicle can be configured with one or more sensors having the capability to be extended and/or rotated. The one or more movable sensors can be caused to move based on a determined context of the vehicle, to capture additional data associated with the environment in which the vehicle is operating.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: December 5, 2023
    Assignee: Motional AD LLC
    Inventors: Ryan Trumpore, Theodore Alden, Grigoriy Dubrovskiy, Sachit Kaul, Manuel Weiss, Sai Sonti, Nicholas Merritt, Meshari Alhemaidi, Bing Han, Priyanka Ashok, Katherine Colwell, Jeong Hwan Jeon, Jonathan L. Wieskamp
  • Patent number: 11800796
    Abstract: The present invention relates to a luminescent material for delayed fluorescence and an organic electroluminescent device comprising the same. By using the luminescent material for delayed fluorescence according to the present invention, an organic electroluminescent device having long lifespan, low driving voltage, excellent color purity, and significantly improved luminous efficiency such as current efficiency is provided.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: October 24, 2023
    Inventors: Jeong-Hwan Jeon, Hong Yeop Na, Hee-Choon Ahn
  • Publication number: 20230320203
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifespan characteristics compared to conventional organic electroluminescent devices can be provided.
    Type: Application
    Filed: March 20, 2023
    Publication date: October 5, 2023
    Inventors: Hyo-Soon PARK, Jeong-Hwan JEON, Hee-Ryong KANG, Sang-Hee CHO, Dong-Hyung LEE, Jin-Man KIM, Hong-Se OH, Hyun-Woo KANG
  • Publication number: 20230309387
    Abstract: The present disclosure relates to an organic electroluminescent material comprising an organic electroluminescent compound represented by formula 1, and an organic electroluminescent device comprising the same; and a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device with improved driving voltage and/or luminous efficiency can be provided by comprising the compound according to the present disclosure as an organic electroluminescent material or a plurality of host materials.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 28, 2023
    Inventors: Jeong-Eun YANG, Hee-Ryong KANG, Jeong-Hwan JEON, Mi-Ja LEE, Sang-Hee CHO, Young-Jae KIM
  • Publication number: 20230295942
    Abstract: A disaster safety smart shelter is a shelter installed outdoors and includes: a shelter housing including a plurality of side wall parts, a ceiling part shielding upper portions of the plurality of side wall parts, a waiting space formed therein and an opening and shutting door which is formed through at least a portion of the side wall parts to allow access to the waiting space; a ventilation module including an air discharge port provided through the ceiling part to discharge air inside the waiting space to the outside and an air suction port for supplying air from the outside to the waiting space; an information guidance terminal module provided to the exposed to the inside of the waiting space and displaying a plurality of pieces of information to a user; and a power supply module provided on the ceiling part to supply power to each part.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 21, 2023
    Applicant: DWELLING CO.,LTD
    Inventor: Jeong Hwan JEON
  • Publication number: 20230295947
    Abstract: A method for operating a disaster safe smart shelter includes: a step (a) for transmitting, by a transmitter installed in an arbitrary bus, operation data including a plurality of pieces of bus operation-related information; a step (b) for receiving, by the receiver, operation data transmitted from transmitters installed in one or more buses, calculating an entry order of buses to arrive at the disaster safe smart shelter, on the basis of the operation data, and assigning the entry order to each of the n sectors, a step (c) for identifying, by a sensor module installed in each of the n sectors, whether a bus assigned in the step (b) enters, and a step (d) for opening and shutting, by the door control unit, the opening and shutting door of a sector where the entering of the bus is identified in the step (c).
    Type: Application
    Filed: August 4, 2021
    Publication date: September 21, 2023
    Applicant: DWELLING CO.,LTD
    Inventor: Jeong Hwan JEON
  • Publication number: 20230284470
    Abstract: The present disclosure relates to an organic electroluminescent device and an organic electroluminescent compound. By comprising the compound according to the present disclosure or a specific combination of compounds according to the present disclosure, it is possible to produce an organic electroluminescent device having lower driving voltage, higher luminous efficiency and/or improved lifetime properties, compared to the conventional organic electroluminescent device.
    Type: Application
    Filed: February 22, 2023
    Publication date: September 7, 2023
    Inventors: Dong-Hyung LEE, Hong-Se OH, Jin-Man KIM, So-Mi PARK, Eun-Joung CHOI, Hae-Yeon KIM, Joon-Hyung KIL, Jeong-Hwan JEON, Young-Kwang KIM, Seung-Hoon YOO, Hyun-Woo KANG, Min-Jung CHANG
  • Publication number: 20230284525
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or by comprising the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage and/or luminous efficiency.
    Type: Application
    Filed: February 2, 2023
    Publication date: September 7, 2023
    Inventors: Hyun-Ju KANG, Jeong-Hwan JEON, So-Mi PARK, Sang-Hee CHO, Hyun-Woo KANG, Kyoung-Jin PARK, Dong-Gil KIM
  • Patent number: 11751476
    Abstract: The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: September 5, 2023
    Inventors: Sang-Hee Cho, Jeong-Hwan Jeon, Hong-Yeop Na, Ji-Song Jun, Jae-Hoon Shim, Kyung-Hoon Choi, Chi-Sik Kim, Young-Jun Cho
  • Publication number: 20230157156
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Application
    Filed: August 24, 2022
    Publication date: May 18, 2023
    Inventors: Eun-Joung CHOI, Young-Kwang KIM, Su-Hyun LEE, So-Young JUNG, YeJin JEON, Hong-Se OH, Dong-Hyung LEE, Jin-Man KIM, Hyun-Woo KANG, Mi-Ja LEE, Hee-Ryong KANG, Hyo-Nim SHIN, Jeong-Hwan JEON, Sang-Hee CHO
  • Publication number: 20220263031
    Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising an organic electroluminescent compound and/or a plurality of host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 18, 2022
    Inventors: Ji-Won UM, Hong-Se OH, Jeong-Hwan JEON, Mi-Ran SEO, Sang-Hee CHO, Dong-Hyung LEE, Tae-Jun HAN
  • Publication number: 20220231229
    Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties.
    Type: Application
    Filed: December 14, 2021
    Publication date: July 21, 2022
    Inventors: Jeong-Eun Yang, Sang-Hee CHO, Hyo-Nim SHIN, Hyun KIM, Jeong-Hwan JEON, Jin-Ri HONG, Kyoung-Jin PARK
  • Publication number: 20220123230
    Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure in a light-emitting layer, it is possible to produce an organic electroluminescent device having an improved driving voltage, luminous efficiency and/or lifetime properties.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 21, 2022
    Inventors: Hee-Ryong KANG, So-Young JUNG, Jeong-Hwan JEON, Sang-Hee CHO
  • Publication number: 20220109110
    Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, lifetime properties, and/or power efficiency.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 7, 2022
    Inventors: Hyo-Soon Park, Jeong-Hwan Jeon, Sang-Hee Cho, Eun-Joung Choi, Dong-Gil Kim