Patents by Inventor Ving Jick Lee

Ving Jick Lee 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).

  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240122059
    Abstract: A compound of Formula I, is provided. In Formula I, one of Z1, Z2, and Z3 is N and the remainder are C; each of L1 and L2 is independently selected from a direct bond and a linking group; at least one of R1, R2, RA, RB, RC, RD, and RE comprises a group R* having a structure selected form the group consisting of Formula II, -Q(R3)(R4)a(R5)b, Formula III, and Formula IV, Each R, R?, R?, R1, R2, R3, R4, R5, RA, RB, RC, RD, RE, RF, RG, and RH is independently hydrogen or a General Substituent, with the proviso that group R* is not adamantyl. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 11, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan CHEN, Geza SZIGETHY, Rasha HAMZE, Nicholas J. THOMPSON, Hojae CHOI, Weiye GUAN, Raghupathi NEELARAPU, Charles J. STANTON, Douglas WILLIAMS, Ving Jick LEE, Joseph A. MACOR, Dmitry ANDRIANOV, Chao LIANG, Steven Kit CHOW, Tyler FLEETHAM, Peter WOLOHAN, Morgan C. MACINNIS
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230159578
    Abstract: A compound of Formula I, is provided. In Formula I, one of Z1, Z2, and Z3 is N and the remainder are C; each of L1 and L2 is independently selected from a direct bond and a linking group; at least one of R1, R2, RA, RB, RC, RD, and RE comprises a group R* having a structure selected form the group consisting of Formula II, -Q(R3)(R4)a(R5)b, Formula III, and Formula IV, Each R, R?, R?, R1, R2, R3, R4, R5, RA, RB, RC, RD, RE, RF, RG, and RH is independently hydrogen or a General Substituent, with the proviso that group R* is not adamantyl. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: January 4, 2023
    Publication date: May 25, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan CHEN, Geza SZIGETHY, Rasha HAMZE, Nicholas J. THOMPSON, Hojae CHOI, Weiye GUAN, Raghupathi NEELARAPU, Charles J. STANTON, Douglas WILLIAMS, Ving Jick LEE
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230065887
    Abstract: A compound of Formula I, is provided. In Formula I, one of Z1, Z2, and Z3 is N and the remainder are C; each of L1 and L2 is independently selected from a direct bond and a linking group; at least one of R1, R2, RA, RB, RC, RD, and RE comprises a group R* having a structure selected form the group consisting of Formula II, -Q(R3)(R4)a(R5)b, Formula III, and Formula IV, Each R, R?, R?, R1, R2, R3, R4, R5, RA, RB, RC, RD, RE, RF, RG, and RH is independently hydrogen or a General Substituent, with the proviso that group R* is not adamantyl. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 2, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan CHEN, Geza SZIGETHY, Rasha HAMZE, Nicholas J. THOMPSON, Hojae CHOI, Weiye GUAN, Raghupathi NEELARAPU, Charles J. STANTON, Douglas WILLIAMS, Ving Jick LEE
  • 9-[(substituted glycyl)amido]-6-(substituted)-5-hydroxy-6-deoxytetracyclines
    Patent number: 5639742
    Abstract: The invention provides compounds of the formula: ##STR1## wherein R, R.sup.1, R.sup.2 and W are defined in the specification. These compounds are useful as antibiotic agents.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: June 17, 1997
    Inventors: Ving Jick Lee, Brian Lee Buckwalter, Timothy Claude Barden