Patents by Inventor Hee Jin Kim

Hee Jin 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).

  • Patent number: 10854143
    Abstract: An organic light-emitting display device includes a display unit having a plurality of pixel units. The display device also includes a timing controller for calculating a black bias pixel ratio (BBPR) of the display unit based on image signals provided by an external source and for generating a control signal based on the BBPR. The BBPR is the ratio of a number of pixel units in a black state to a total number of pixel units. A power supply unit provides a driving voltage to the display unit based on the control signal from the timing controller, wherein the power supply unit provides a first driving voltage to the display unit when the BBPR is less than a reference value and provides a second driving voltage, which is higher than the first driving voltage, otherwise.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: December 1, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Youn Cho, Tae Young Kim, Hee Jin Kim, Jong Woo Park, Young Tae Choi
  • Patent number: 10847590
    Abstract: An electroluminescent display device can include a plurality of sub-pixels arranged on a substrate along a first direction and a second direction; a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode; a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode; a second bank having an opening corresponding to the sub-pixels arranged along the second direction and disposed between adjacent sub-pixels along the first direction; and a third bank on side surfaces of the second bank facing each other along the second direction.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 24, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park
  • Publication number: 20200335975
    Abstract: A method of controlling output levels of an MMC converter to reduce fluctuation in a power grid frequency, which adjusts an output level of the MMC converter in response to a change in a power grid frequency of a power grid system in the MMC converter connected to a grid system, is proposed. The method includes a detection step of detecting a power grid frequency of a grid connected to the MMC converter in real time, a comparison step of comparing the detected power grid frequency with a preset reference power grid frequency, and an adjustment step of adjusting a number of output levels of the MMC converter to reduce a difference between the detected power grid frequency and the reference power grid frequency when the detected power grid frequency and the reference power grid frequency are different from each other.
    Type: Application
    Filed: December 21, 2018
    Publication date: October 22, 2020
    Inventors: Hee Jin KIM, Dong Su LEE, Kyeon HUR, Jae Sik KANG, Sang Min KIM
  • Publication number: 20200319794
    Abstract: An electronic device includes a display configured to display at least one content, a pressure sensor configured to sense a touch input having a pressure value of a specified value or more, a memory, and a processor operatively connected to the display, the pressure sensor, and the memory. When the touch input occurs in a first screen of the display, the processor is configured to determine an input location of the touch input, to verify content displayed at a display location of the first screen corresponding to the input location, to create a widget including information associated with the content, and to output the created widget to a second screen of the display.
    Type: Application
    Filed: June 14, 2017
    Publication date: October 8, 2020
    Inventors: Dong Jin EUN, Woo Hyun KIM, Hee Jin KIM, Seung Yong LEE, Chi Hoon LEE, Hae Na LEE, Jee Yeun WANG, Ah Young KIM, Hyun Seok SEO, Hyo Jin BAE, Wan Soo LIM, Hee Woon KIM, Sung Chan BAE, Jung Eui SEO
  • Publication number: 20200297445
    Abstract: Provided is an instrument for surgery and, more specifically, to an instrument for surgery which can be manually operated in order to be used for laparoscopic surgery or various types of surgery.
    Type: Application
    Filed: June 11, 2020
    Publication date: September 24, 2020
    Inventors: Jung Joo LEE, Hee Jin KIM
  • Patent number: 10784460
    Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 22, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Sung-Soo Park
  • Publication number: 20200237466
    Abstract: Provided is an instrument for surgery and, more specifically, to an instrument for surgery which can be manually operated in order to be used for laparoscopic surgery or various types of surgery.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Jung Joo LEE, Hee Jin KIM
  • Patent number: 10722315
    Abstract: The present invention relates to an instrument for surgery and, more specifically, to an instrument for surgery which can be manually operated in order to be used for laparoscopic surgery or various types of surgery.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: July 28, 2020
    Assignee: LIVSMED INC.
    Inventors: Jung Joo Lee, Hee Jin Kim
  • Publication number: 20200229835
    Abstract: Provided is a surgical instrument, in more detail, a surgical instrument that may be manually operated to be used in laparoscopic surgery or various other kinds of surgery. To this end, the present invention provides a surgical instrument including an end tool configured to be rotatable in at least two directions; a manipulator including a pitch operator controlling a pitch movement of the end tool, a yaw operator controlling a yaw movement of the end tool, and an actuation operator controlling an actuation movement of the end tool; a power transfer unit configured to transfer an operation of the manipulator to the end tool; and a connection unit extending in a first direction (X-axis), and connecting the manipulator to the end tool when the end tool is coupled to an end portion of the connection unit and the manipulator is coupled to the other end portion of the connection unit, wherein at least a part of the manipulator extends towards the end tool.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Inventors: Jung Joo LEE, Hee Jin KIM, Du Jin BACH
  • Publication number: 20200229723
    Abstract: An apparatus for measuring brain cell activity in artificial blood circulation according to an embodiment of the present invention may include a measuring unit (10) that measures EEG signals; an analog-to-digital converter (ADC) 20 that converts the EEG signals measured at the measuring unit 10 into digital signals; a control unit 50 that calculates EEG parameters from the digital EEG signals converted at the ADC 20, and calculates end-tidal carbon dioxide tension and cerebral blood flow from the EEG parameters.
    Type: Application
    Filed: September 5, 2018
    Publication date: July 23, 2020
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sang Do SHIN, Hee Chan KIM, Hee Jin KIM
  • Publication number: 20200222137
    Abstract: Provided is an instrument for surgery and, more specifically, to an instrument for surgery which can be manually operated in order to be used for laparoscopic surgery or various types of surgery.
    Type: Application
    Filed: March 24, 2020
    Publication date: July 16, 2020
    Inventors: Jung Joo LEE, Hee Jin KIM
  • Patent number: 10709467
    Abstract: Provided is a surgical instrument, in more detail, a surgical instrument that may be manually operated to be used in laparoscopic surgery or various other kinds of surgery. To this end, the present invention provides a surgical instrument including an end tool configured to be rotatable in at least two directions; a manipulator including a pitch operator controlling a pitch movement of the end tool, a yaw operator controlling a yaw movement of the end tool, and an actuation operator controlling an actuation movement of the end tool; a power transfer unit configured to transfer an operation of the manipulator to the end tool; and a connection unit extending in a first direction (X-axis), and connecting the manipulator to the end tool when the end tool is coupled to an end portion of the connection unit and the manipulator is coupled to the other end portion of the connection unit, wherein at least a part of the manipulator extends towards the end tool.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: July 14, 2020
    Assignee: LIVSMED INC.
    Inventors: Jung Joo Lee, Hee Jin Kim, Du Jin Bach
  • Publication number: 20200194522
    Abstract: An electroluminescent display device can include a plurality of sub-pixels arranged on a substrate along a first direction and a second direction; a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode; a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode; a second bank having an opening corresponding to the sub-pixels arranged along the second direction and disposed between adjacent sub-pixels along the first direction; and a third bank on side surfaces of the second bank facing each other along the second direction.
    Type: Application
    Filed: December 6, 2019
    Publication date: June 18, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park
  • Publication number: 20200185472
    Abstract: An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 11, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Sung-Soo Park, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Jeong-Mook Choi
  • Publication number: 20200185471
    Abstract: An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 11, 2020
    Inventors: Hak-Min LEE, Nack-Youn JUNG, Hee-Jin KIM, Myung-O JOO, Sung-Soo PARK, Jeong-Mook CHOI
  • Publication number: 20200176532
    Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
    Type: Application
    Filed: August 30, 2019
    Publication date: June 4, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Jeong-Mook CHOI, Nack-Youn JUNG, Hee-Jin KIM, Hak-Min LEE, Myung-O JOO, Sung-Soo PARK
  • Patent number: 10673319
    Abstract: The present invention relates to an MMC converter system which can quickly cut off fault current by installing a plurality of disconnecting switch units on a line connected between two MMC converter devices. The MMC converter system comprises: a first MMC converter device including a plurality of serially connected sub modules; a second MMC converter device including a plurality of serially connected sub modules; a first disconnecting switch unit installed on a line between the first and second MMC converter devices; and a second disconnecting switch unit connected in series to the first disconnecting switch unit on the line, wherein each of the first and second disconnecting switch units comprises a mechanical switch installed on the line so as to open and close the line and a diode connected in parallel to the mechanical switch, and the two diodes are installed in opposite directions to each other.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 2, 2020
    Assignees: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: Hee Jin Kim, Kyeon Hur, Dong Su Lee, Jae Sik Kang, Ju Yong Jung, Sang Min Kim, Jong Seo Na
  • Patent number: 10669527
    Abstract: An artificial skin culture container according to the present invention can solve the problems of the contraction of the dermal layer of artificial skin and the detachment thereof from the culture container, which result from an interaction between collagen and fibroblasts existing in the dermal layer of artificial skin during the production of the artificial skin, by using agar and hydrophobically modifying a portion of the agar. Therefore, the use of the culture container enables to stably culture artificial skin and produce artificial skin similar to the human skin. In addition, the artificial skin culture container of the present invention comprises agar, and thus a culture solution can be supplied through a side portion as well as a lower portion of the culture container, which allows to effectively culture artificial skin.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: June 2, 2020
    Assignees: AMOREPACIFIC CORPORATION, SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Dae Jin Min, Sung Hoon Lee, Hae Kwang Lee, Jae Hyun Jeong, Hee Wook Ryu, Hee Jin Kim
  • Patent number: D908873
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: January 26, 2021
    Assignee: LIVSMED INC.
    Inventors: Jin Ho Kwon, Hee Jin Kim, Jung Joo Lee
  • Patent number: D910172
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: February 9, 2021
    Assignee: LIVSMED INC.
    Inventors: Jin Ho Kwon, Hee Jin Kim, Jung Joo Lee