Patents by Inventor Ji-Sun KIM

Ji-Sun 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: 9830856
    Abstract: A stage circuit includes a first driver, a second driver, a first output unit, a second output unit and a controller. The first driver controls voltages of first and second nodes, according to a first power source, a third power source, a start signal or a carry signal of a previous stage input to a first input terminal, and a clock signal supplied to a second input terminal. The second driver controls voltages of third and fourth nodes, according to voltages of the first power source, the third power source, the first input terminal and the first and second nodes. The first output unit outputs a carry signal to a first output terminal, according to voltages of the first power source, the second input terminal and the third and fourth nodes. The second output unit outputs a scan signal to a second output terminal, according to voltages of the second power source, the second input terminal and the third and fourth nodes. The controller is electrically coupled to the first output terminal and the second driver.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: November 28, 2017
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang-University
    Inventors: Oh-Kyong Kwon, Yeong-Keun Kwon, Jong-Hee Kim, Ji-Sun Kim, Jae-Keun Lim, Chong-Chul Chai
  • Patent number: 9778528
    Abstract: A display apparatus includes gate lines configured to receive gate signals, data lines arranged to cross the gate lines and configured to receive data voltages, and pixels grouped into first pixel groups and second pixel groups and connected to the gate lines and the data lines. The gate signals are configured to be applied to the gate lines in a predetermined order while skipping at least one gate line without being sequentially and consecutively applied to two gate lines adjacent to each other among the gate lines.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: October 3, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Uk Lim, Sunhwa Lee, Ji-Sun Kim, Kwang-chul Jung, Seokha Hong
  • Publication number: 20170250203
    Abstract: A display substrate includes a switching element disposed in a display region that is electrically connected to a gate line, a data line, and a first electrode in a peripheral region adjacent to the display region that includes a first conductive pattern formed from a first conductive layer that includes a same material as the gate line, a first line connecting part disposed in the peripheral region that includes the first conductive pattern, a second conductive pattern that overlaps the first conductive pattern and formed, an organic layer that partially exposes the second conductive pattern, and a third conductive pattern electrically connected to the second conductive pattern that contacts the partially exposed second conductive pattern, and a fourth conductive pattern that electrically connects the first conductive pattern of the pad part and the third conductive pattern of the first line connecting part.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Inventors: JI-SUN KIM, JI-HYUN KIM, SHIN-IL CHOI, YEONG-KEUN KWON
  • Patent number: 9741306
    Abstract: According to an embodiment, a display device includes a display panel including a plurality of pixels respectively connected to a plurality of gate lines and a plurality of data lines, a gate driver driving the plurality of gate lines, a data driver configured to output a plurality of data output signals to the plurality of data lines in response to a data signal, a demultiplexer circuit configured to provide the plurality of data output signals to the plurality of data lines in response to a first selection signal and a second selection signal; and a timing controller configured to provide the data signal to the data driver, outputting the first selection signal and the second selection signal, and controlling the gate driver.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Sun Kim, Jonghee Kim, Youngwan Seo, Jaekeun Lim, Chongchul Chai
  • Patent number: 9741281
    Abstract: A coupling compensator for a display panel and a display device including the coupling compensator are disclosed. In one aspect, the coupling compensator includes a memory configured to receive grayscale data and store the grayscale data and a first data converter configured to convert the grayscale data to a plurality of grayscale data voltages including first and second grayscale data voltages. The compensator also includes a coupling voltage calculator configured to calculate a line coupling voltage generated on a data line based on the difference between the first grayscale data voltage corresponding to the grayscale data provided to a first group of the pixels in an (N?1)th row and the second grayscale data voltage corresponding to the grayscale data provided to a first group of the pixels in an Nth row, where the N is an integer equal to or greater than 2.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hee Kim, Jae-Keun Lim, Ji-Sun Kim, Young-Wan Seo, Chong-Chul Chai
  • Patent number: 9704429
    Abstract: A display device includes: a display panel having a display area and a non-display area; a plurality of pixels on the display area to emit light, wherein pixels arranged along a first direction are defined as first pixel groups and pixels arranged along a second direction are defined as second pixel groups; gate driving units on the display area to generate gate signals, wherein the gate driving units include first and second gate driving units corresponding one-to-one with each other; a data driver on the non-display area to generate data signals; a plurality of first lines to transmit the data signals to the plurality of pixels; and a plurality of second lines to transmit driving start signals from the first gate driving units to the second gate driving units respectively corresponding to the first gate driving units, wherein the first or second lines are between the first groups.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngwan Seo, Ji-sun Kim, Jaekeun Lim, Jonghee Kim, Chongchul Chai
  • Patent number: 9666613
    Abstract: A display substrate includes a switching element disposed in a display region that is electrically connected to a gate line, a data line, and a first electrode in a peripheral region adjacent to the display region that includes a first conductive pattern formed from a first conductive layer that includes a same material as the gate line, a first line connecting part disposed in the peripheral region that includes the first conductive pattern, a second conductive pattern that overlaps the first conductive pattern and formed, an organic layer that partially exposes the second conductive pattern, and a third conductive pattern electrically connected to the second conductive pattern that contacts the partially exposed second conductive pattern, and a fourth conductive pattern that electrically connects the first conductive pattern of the pad part and the third conductive pattern of the first line connecting part.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Sun Kim, Ji-Hyun Kim, Shin-Il Choi, Yeong-Keun Kwon
  • Publication number: 20170104712
    Abstract: An electronic device is provided. The electronic device includes a communication module configured to communicate with an external device, an input module configured to receive an input, and a processor configured to send a request for following a second user to a content providing server, if the request for following the second user is received from a first user and to receive at least one content, to which the second user subscribes, from the content providing server.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 13, 2017
    Inventors: Kwang Hyun CHO, Gi Hoon KIM, Ji Sun KIM
  • Publication number: 20170098422
    Abstract: A gate driving circuit includes: a pull-up controller applying a carry signal of one of previous stages to a first node in response to the carry signal of the one of the previous stages; a pull-up part outputting a clock signal as an N-th gate output signal; a carry part outputting the clock signal as an N-th carry signal; a first pull-down part pulling down the signal at the first node to a second off voltage; a second pull-down part pulling down the N-th gate output signal to a first off voltage; an inverting part generating an inverting signal based on the clock signal and the second off voltage to output the inverting signal to an inverting node; and a reset part outputting a reset signal to the inverting node.
    Type: Application
    Filed: December 19, 2016
    Publication date: April 6, 2017
    Inventors: Jae-Keun Lim, Ji-Sun Kim, Kyoung-Ju Shin, Chong-Chul Chai, Jong-Hee Kim
  • Publication number: 20170084241
    Abstract: A display device includes a display area including a gate line and a data line and a gate driver connected to an end of the gate line, the gate driver including at least one stages integrated on a substrate configured to output a gate voltage, in which the stage includes an inverter unit and an output unit, in which the output unit includes a first transistor and a first capacitor. The first transistor includes an input terminal applied with a clock signal, a control terminal connected to the node Q, and an output terminal connected to a gate voltage output terminal through which the gate voltage is output. An inverter voltage output from the inverter is lower than the low voltage of the gate voltage output by the output unit.
    Type: Application
    Filed: December 5, 2016
    Publication date: March 23, 2017
    Inventors: SOO-WAN YOON, YEONG-KEUN KWON, JI-SUN KIM, JONG HEE KIM, YOUNG WAN SEO, JAE KEUN LIM
  • Publication number: 20170061874
    Abstract: A stage circuit includes a first driver, a second driver, a first output unit, a second output unit and a controller. The first driver controls voltages of first and second nodes, according to a first power source, a third power source, a start signal or a carry signal of a previous stage input to a first input terminal, and a clock signal supplied to a second input terminal. The second driver controls voltages of third and fourth nodes, according to voltages of the first power source, the third power source, the first input terminal and the first and second nodes. The first output unit outputs a carry signal to a first output terminal, according to voltages of the first power source, the second input terminal and the third and fourth nodes. The second output unit outputs a scan signal to a second output terminal, according to voltages of the second power source, the second input terminal and the third and fourth nodes. The controller is electrically coupled to the first output terminal and the second driver.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Inventors: Oh-Kyong Kwon, Yeong-Keun Kwon, Jong-Hee Kim, Ji-Sun Kim, Jae-Keun Lim, Chong-Chul Chai
  • Publication number: 20170060313
    Abstract: An array substrate for a touch sensor in-cell type display device is disclosed. The array includes a base substrate, a plurality of pixels disposed on the base substrate and including a plurality of pixel rows and a plurality of pixel columns, a gate line extending in a first direction on the base substrate and disposed above and below in each pixel row, a data line extending in a second direction intersecting with the first direction on the base substrate and disposed in every two pixel columns, a touch sensing line extending in the second direction on the base substrate and parallel to the data line, a plurality of touch blocks provided by grouping the plurality of pixels by a predetermined number on the base substrate, and a common electrode disposed in each of the plurality of touch blocks.
    Type: Application
    Filed: August 17, 2016
    Publication date: March 2, 2017
    Inventors: Ji Sun KIM, Young Wan SEO, Yu Jin LEE
  • Publication number: 20170010708
    Abstract: A display device includes: a first substrate including a touch region for sensing a touch and a peripheral area surrounding the touch region; a second substrate facing the first substrate; thin film transistors positioned on the first substrate; pixel electrodes connected to the thin film transistors; common electrodes arranged to transmit a common voltage; sensing wires connected to the common electrodes and arranged to transmit a detection signal for sensing a touch; and a transparent electrode layer positioned on a first surface of the second substrate, the transparent electrode layer having a portion overlapping the peripheral area, and having at least one opening positioned over the touch region.
    Type: Application
    Filed: March 8, 2016
    Publication date: January 12, 2017
    Inventors: Yu Jin LEE, Ji-Sun KIM, Young Wan SEO, Chong Chul CHAI
  • Publication number: 20160379566
    Abstract: There is provided a display device including a display including a first pixel connected to a first data line and a second pixel connected to a second data line, a data signal generator configured to generate an output signal, and a signal divider configured to divide the output signal, to generate a first data signal and a second data signal, and to apply the first data signal and the second data signal to the first data line and the second data line, respectively, wherein the data signal generator is configured to generate the output signal based on a coupling effect of a first parasitic capacitor formed between the first data line and the second data line and a coupling effect of a parasitic capacitor of a data line formed by the first data line and second data line.
    Type: Application
    Filed: May 17, 2016
    Publication date: December 29, 2016
    Inventors: Jae Keun Lim, Jong Hee Kim, Ji-Sun Kim, Young Wan Seo, Chong Chul Chai
  • Publication number: 20160367835
    Abstract: The present invention relates to a system for fundamentally eliminating skin damage caused by direct radiation of a laser beam on the skin of a user and inducing a somatic sensation on the skin within a safety standard by radiating a pulse laser beam on a medium attached to the skin of the user on which the somatic sensation is desired to be induced. Particularly, the present invention relates to a somatic sensation induction system which can induce a somatic sensation of various feelings delivered to a user by adjusting an absorption coefficient of a medium contacting with the skin of a user, energy intensity and a repetition rate of a radiated laser beam and the like.
    Type: Application
    Filed: September 17, 2015
    Publication date: December 22, 2016
    Inventors: Soon-Cheol CHUNG, Jae-Hoon JUN, Jong-Rak PARK, Seungmoon CHOI, Hyung-Sik KIM, Ji-Sun KIM
  • Patent number: 9524690
    Abstract: A gate driving circuit includes: a pull-up controller applying a carry signal of one of previous stages to a first node in response to the carry signal of the one of the previous stages; a pull-up part outputting a clock signal as an N-th gate output signal; a carry part outputting the clock signal as an N-th carry signal; a first pull-down part pulling down the signal at the first node to a second off voltage; a second pull-down part pulling down the N-th gate output signal to a first off voltage; an inverting part generating an inverting signal based on the clock signal and the second off voltage to output the inverting signal to an inverting node; and a reset part outputting a reset signal to the inverting node.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: December 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Keun Lim, Ji-Sun Kim, Kyoung-Ju Shin, Chong-Chul Chai, Jong-Hee Kim
  • Patent number: 9524674
    Abstract: A stage circuit includes a first driver, a second driver, a first output unit, a second output unit and a controller. The first driver controls voltages of first and second nodes, according to a first power source, a third power source, a start signal or a carry signal of a previous stage input to a first input terminal, and a clock signal supplied to a second input terminal. The second driver controls voltages of third and fourth nodes, according to voltages of the first power source, the third power source, the first input terminal and the first and second nodes. The first output unit outputs a carry signal to a first output terminal, according to voltages of the first power source, the second input terminal and the third and fourth nodes. The second output unit outputs a scan signal to a second output terminal, according to voltages of the second power source, the second input terminal and the third and fourth nodes. The controller is electrically coupled to the first output terminal and the second driver.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: December 20, 2016
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang-University
    Inventors: Oh-Kyong Kwon, Yeong-Keun Kwon, Jong-Hee Kim, Ji-Sun Kim, Jae-Keun Lim, Chong-Chul Chai
  • Patent number: 9514704
    Abstract: A display device includes a display area including a gate line and a data line and a gate driver connected to an end of the gate line, the gate driver including at least one stages integrated on a substrate configured to output a gate voltage, in which the stage includes an inverter unit and an output unit, in which the output unit includes a first transistor and a first capacitor. The first transistor includes an input terminal applied with a clock signal, a control terminal connected to the node Q, and an output terminal connected to a gate voltage output terminal through which the gate voltage is output. An inverter voltage output from the inverter is lower than the low voltage of the gate voltage output by the output unit.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: December 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo-Wan Yoon, Yeong-Keun Kwon, Ji-Sun Kim, Jong Hee Kim, Young Wan Seo, Jae Keun Lim
  • Patent number: 9501959
    Abstract: A mother substrate includes a display substrate cell defined by a scribe line, the display substrate cell including a plurality of gate lines, a gate circuit part driving the gate lines, and a gate pad part connected to the gate circuit part, a gate test pad part in a peripheral area surrounding the display substrate cell, the gate test pad part being configured to receive a gate test signal, a gate test line part connecting the gate test pad part and the gate pad part, and a switching part connected to the gate test line part and configured to control turning on and turning off of the gate test line part.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: November 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Sun Kim, Chong-Chul Chai, Yeong-Keun Kwon
  • Patent number: D792371
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 18, 2017
    Assignee: IRIVER LIMITED
    Inventor: Ji Sun Kim