Patents by Inventor Hong Kyung Leem

Hong Kyung Leem 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).

  • Inverter, NAND gate, and NOR gate
    Patent number: 9099991
    Abstract: Disclosed are an inverter, a NAND gate, and a NOR gate. The inverter includes: a pull-up unit constituted by a second thin film transistor outputting a first power voltage to an output terminal according to a voltage applied to a gate; a pull-down unit constituted by a fifth thin film transistor outputting a ground voltage to the output terminal according to an input signal applied to a gate; and a pull-up driver applying a second power voltage or the ground voltage to the gate of the second thin film transistor according to the input signal.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: August 4, 2015
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP.
    Inventors: Sang Hee Park, Chi Sun Hwang, Sung Min Yoon, Him Chan Oh, Kee Chan Park, Tao Ren, Hong Kyung Leem, Min Woo Oh, Ji Sun Kim, Jae Eun Pi, Byeong Hoon Kim, Byoung Gon Yu