Patents by Inventor Jae-Sic Lee

Jae-Sic 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).

  • Patent number: 9076388
    Abstract: A pixel capable of stably compensating for a threshold voltage is disclosed. The pixel includes an organic light emitting diode (OLED), a driving transistor having a gate electrode, a source electrode, and first and second drain electrodes. The pixel also has a plurality of second transistors serially coupled between the first drain electrode and a gate electrode of the driving transistor, and a node electrically coupled to the second drain electrode and to each of the second transistors.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Sic Lee, Chang-Yeop Kim, Ok-Byoung Kim, Se-Ho Kim
  • Publication number: 20150102302
    Abstract: An organic light emitting diode display includes a substrate having a display unit and a peripheral portion, scan lines in a first direction, data lines in a second direction, pixels in the display unit and having pixel circuit portions and organic light emitting diodes, first dummy lines in the display unit and extending in the first direction, at least one second dummy line in the peripheral portion and extending in the second direction, dummy circuit portions connected to a first dummy line and the at least one second dummy line, driving pads connected to end portions of the data lines, at least one dummy driving pad connected to an end portion of the at least one second dummy line, and a driving circuit configured to transmit a data signal to the driving pads and to the at least one dummy driving pad.
    Type: Application
    Filed: June 24, 2014
    Publication date: April 16, 2015
    Inventors: Tae Gon KIM, Se-Ho KIM, Jae-Sic LEE
  • Publication number: 20150102985
    Abstract: An organic light emitting device includes a substrate including a display unit configured to display an image and a peripheral portion surrounding the display unit, a plurality of scan lines on the substrate and extending in a first direction, a plurality of data lines on the substrate and intersecting the scan lines in a second direction, a plurality of pixels at the display unit and connected to the scan lines and the data lines, a repair ring surrounding the display unit, a plurality of driving pads on the peripheral portion and connected to ends of the plurality of data lines, a pair of dummy driving pads on the peripheral portion and connected to ends of the repair ring, and a driving circuit configured to transmit a data signal to the plurality of driving pads and to the pair of dummy driving pads.
    Type: Application
    Filed: June 24, 2014
    Publication date: April 16, 2015
    Inventors: Tae Gon KIM, Jae-Sic LEE, Jin-Yup KIM, Ji Yong PARK
  • Publication number: 20150102312
    Abstract: A display apparatus includes an array of pixels and dummy pixels. A plurality of first lines are connected to the pixels and the dummy pixels. A plurality of repair lines are connected to the dummy pixels and are selectively connected to the pixels. A plurality of second lines are connected to the pixels. At least one dummy line is connected to the dummy pixels. At least one dummy wiring is connected to the at least one dummy line and is selectively connected to one of the second lines.
    Type: Application
    Filed: July 29, 2014
    Publication date: April 16, 2015
    Inventors: Jae-Sic LEE, Ji-Hye KIM, Dong-Wook KIM, Tae-Gon KIM
  • Publication number: 20150002560
    Abstract: An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels connected to a plurality of data lines, a plurality of scan lines, a plurality of initializing control lines, and a plurality of light emission control lines, a scan driver to output scan signals to the scan lines and initializing signals to the initializing control lines, and a data driver to output data signals to respective ones of the data lines. A first pixel and a second pixel may be commonly connected to a scan line and a data line. The scan driver may output at least one first initializing signal and at least one second initializing signal to the first pixel and second pixel, respectively. The scan signals and the first and the second initializing signals may be activated at different points in time.
    Type: Application
    Filed: March 19, 2014
    Publication date: January 1, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sun-Ja KWON, Jae-Sic LEE
  • Publication number: 20140313107
    Abstract: There are provided a pixel and an organic light emitting display device having the same which can be repaired. The pixel includes a plurality of lines configured to include a scan line, a data line and a first power line, the plurality of lines arranged in a first or second direction; a pixel circuit coupled to the lines; and an organic light emitting diode coupled between the pixel circuit and a second power source. A first line disposed in the first direction among the lines intersects while overlapping with a second line disposed in the second direction among the lines or one or more electrodes on another layer, and the first line is divided to have a plurality of paths in at least one region in the overlapping region of the first line with the second line or the one or more electrodes.
    Type: Application
    Filed: October 11, 2013
    Publication date: October 23, 2014
    Inventor: Jae-Sic Lee
  • Patent number: 8754996
    Abstract: Embodiments relate to a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel includes a first substrate; a second substrate facing the first substrate; a liquid crystal layer between the first substrate and the second substrate; a gate line extended in a first direction on the first substrate; a data line on the first substrate and extended in a second direction, crossing the first direction; and a common voltage line on the same layer as the gate line. The common voltage line includes: a plurality of first lines and a plurality of second lines extended in the first direction and separately disposed with a cutting unit therebetween; a first connector for connecting the first lines; and a second connector for connecting the second lines.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: June 17, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Goo Jung, Yu-Bong Won, Chung Yi, Jae-Sic Lee
  • Publication number: 20140111490
    Abstract: A scan driver and a display device including the scan driver are provided. The scan driver is configured to drive a plurality of pixels with a plurality of gate signals and includes a plurality of stages, each of the stages including one or more regions, each of the regions including: a plurality of sub-drivers configured to generate ones of the gate signals and to transmit the ones of the gate signals to ones of the pixels; and a driver commonly coupled to the sub-drivers and configured to concurrently supply a common signal to each of the sub-drivers, the driver of one of the one or more regions being configured to receive the common signal of one of the one or more regions of a previous one of the stages during forward direction driving or of a next one of the stages during reverse direction driving.
    Type: Application
    Filed: July 23, 2013
    Publication date: April 24, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Sic Lee, Hyun Lee
  • Publication number: 20140028733
    Abstract: A pixel capable of stably compensating for a threshold voltage is disclosed. The pixel includes an organic light emitting diode (OLED), a driving transistor having a gate electrode, a source electrode, and first and second drain electrodes. The pixel also has a plurality of second transistors serially coupled between the first drain electrode and a gate electrode of the driving transistor, and a node electrically coupled to the second drain electrode and to each of the second transistors.
    Type: Application
    Filed: March 15, 2013
    Publication date: January 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Sic Lee, Chang-Yeop Kim, Ok-Byoung Kim, Se-Ho Kim
  • Patent number: 8242997
    Abstract: A liquid crystal display (LCD) panel includes a plurality of data and gate lines, a plurality of main switching elements, and a plurality of liquid crystal capacitors. Each main switching element is electrically connected to a main data and gate line. Each liquid crystal capacitor is electrically connected to a main switching element. The LCD panel further includes a plurality of partial gate lines to transmit a plurality of partial driving signals, a plurality of partial data lines to transmit a plurality of data signals, and a plurality of partial switching elements. Each partial switching element is turned on based on a partial driving signal to provide a memory with a data signal via a partial data line when a main switching element is enabled, and to provide a liquid crystal capacitor with a data signal stored in the memory when the main switching element is turned off.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: August 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Sic Lee, Il-Gon Kim, Cheol-Min Kim
  • Publication number: 20120162165
    Abstract: An array substrate includes a display area including a plurality of pixels coupled to a plurality of gate lines and a plurality of data lines; a data driving unit, coupled to a fan-out unit and configured to drive the data lines; a first switching circuit between the display area and the data driving unit and configured to control the data lines to share electric charges in an image display mode; and a second switching circuit coupled to the fan-out unit via a fuse unit and configured to be disconnected from the fan-out unit in the image display mode.
    Type: Application
    Filed: August 12, 2011
    Publication date: June 28, 2012
    Inventors: Jae-Sic Lee, Dong-Wook Kim, Chul-Ho Kim, Dong-Hoon Lee
  • Publication number: 20120120360
    Abstract: Embodiments relate to a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel includes a first substrate; a second substrate facing the first substrate; a liquid crystal layer between the first substrate and the second substrate; a gate line extended in a first direction on the first substrate; a data line on the first substrate and extended in a second direction, crossing the first direction; and a common voltage line on the same layer as the gate line. The common voltage line includes: a plurality of first lines and a plurality of second lines extended in the first direction and separately disposed with a cutting unit therebetween; a first connector for connecting the first lines; and a second connector for connecting the second lines.
    Type: Application
    Filed: August 5, 2011
    Publication date: May 17, 2012
    Inventors: Jin-Goo JUNG, Yu-Bong Won, Chung Yi, Jae-Sic Lee
  • Publication number: 20110096050
    Abstract: A liquid crystal display including a liquid crystal panel having n gate lines and m data lines intersecting one another to form a frame to display an image; a gate driving unit supplying a scan signal to the n gate lines arranged in rows on the liquid crystal panel; a data driving unit supplying a data signal to the m data lines arranged in columns on the liquid crystal panel; and a common voltage driving unit applying a first common voltage to a plurality of odd common voltage lines arranged in rows on the liquid crystal panel, and applying a second common voltage to a plurality of even common voltage lines, wherein the odd common voltage lines and the even common voltage lines are alternately arranged in rows.
    Type: Application
    Filed: June 18, 2010
    Publication date: April 28, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Sic LEE, Chul-Ho Kim, Dong-Hoon Lee
  • Publication number: 20080191989
    Abstract: A liquid crystal display (LCD) panel includes a plurality of data and gate lines, a plurality of main switching elements, and a plurality of liquid crystal capacitors. Each main switching element is electrically connected to a main data and gate line. Each liquid crystal capacitor is electrically connected to a main switching element. The LCD panel further includes a plurality of partial gate lines to transmit a plurality of partial driving signals, a plurality of partial data lines to transmit a plurality of data signals, and a plurality of partial switching elements. Each partial switching element is turned on based on a partial driving signal to provide a memory with a data signal via a partial data line when a main switching element is enabled, and to provide a liquid crystal capacitor with a data signal stored in the memory when the main switching element is turned off.
    Type: Application
    Filed: September 17, 2007
    Publication date: August 14, 2008
    Inventors: Jae-Sic Lee, Il-Gon Kim, Cheol-Min Kim