Patents by Inventor Jae-Hyeon JEON

Jae-Hyeon JEON 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).

  • Publication number: 20210020087
    Abstract: A display apparatus includes: a foldable display panel to display an image; a gate driver to output a gate signal to the foldable display panel; and a data driver to output a data voltage to the foldable display panel according to a driving current. The driving to change according to a display mode that corresponds to a folded state of the foldable display panel.
    Type: Application
    Filed: July 15, 2020
    Publication date: January 21, 2021
    Inventors: Taehoon KIM, Wontae KIM, Jihye KIM, Jae-Hyeon JEON
  • Patent number: 10861397
    Abstract: An OLED display device includes a display panel including first and second partial panel regions, a scan driver configured to sequentially apply scan signals to the first and second partial panel regions in a normal driving mode, and to sequentially apply the scan signals to a driven one of the first and second partial panel regions in a partial driving mode, and a data driver configured to apply data signals to the first and second partial panel regions in the normal driving mode, and to apply the data signals to the driven one of the first and second partial panel regions in the partial driving mode. In the partial driving mode, the scan driver is configured to sequentially apply diode initialization signals to the driven one of the first and second partial panel regions, and to concurrently apply the diode initialization signals to a non-driven one of the first and second partial panel regions.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: December 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hyeon Jeon, Jihye Kim
  • Publication number: 20200335037
    Abstract: A pixel driver includes a plurality of stages. Each of the plurality of stages includes a pixel driving signal generator configured to generate a pixel driving signal, a shift register configured to receive image data and the pixel driving signal and to generate an output control signal for determining whether to output the pixel driving signal based on the image data and the pixel driving signal, and a selection circuit configured to selectively output the pixel driving signal in response to the output control signal.
    Type: Application
    Filed: January 10, 2020
    Publication date: October 22, 2020
    Inventors: WONTAE KIM, Jihye Kim, Jae-Hyeon Jeon
  • Publication number: 20200335027
    Abstract: A source driver includes a plurality of output buffers configured to output data signals respectively corresponding to a plurality of data lines, and an output controller configured to control a timing at which each of the data signals corresponding to second image data is transferred from the output buffers to the data lines based on a difference between first image data and the second image data.
    Type: Application
    Filed: December 10, 2019
    Publication date: October 22, 2020
    Inventors: Won Tae KIM, Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20200315015
    Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.
    Type: Application
    Filed: February 20, 2020
    Publication date: October 1, 2020
    Inventors: Won Tae KIM, Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20200286451
    Abstract: A display device includes a display panel including a first display area and a second display area adjacent to the first display area, a processor configured to generate first image data corresponding to the first and second display areas for a first mode, and to generate second image data corresponding to the first display area for a second mode, and a display driver configured to drive the display panel in response to the first image data in the first mode, and to drive the display panel in response to the second image data in the second mode, wherein a supplementary image is displayed in at least a portion of the second display area in the second mode.
    Type: Application
    Filed: February 12, 2020
    Publication date: September 10, 2020
    Inventors: Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20200243007
    Abstract: A display device includes a foldable display panel including first and second display areas configured to fold along a folding axis extending in a first direction, a first sensing line coupled to pixels in the first display area, and a second sensing line coupled to pixels in the second display area, a sensing unit coupled to the first and second sensing lines, and configured to generate first and second sensing data by sensing current of the pixels coupled to the first sensing line and to the second sensing line, and a timing controller configured to generate compensation data provided to the pixels in the first and second display areas based on the first and second sensing data, respectively, wherein the first and second sensing lines extend in a second direction that is substantially perpendicular to the first direction, and wherein the first and second sensing lines are alternately arranged.
    Type: Application
    Filed: December 12, 2019
    Publication date: July 30, 2020
    Inventors: Jae-Hyeon JEON, Jihye KIM
  • Publication number: 20200211469
    Abstract: An OLED display device includes a display panel including first and second partial panel regions, a scan driver configured to sequentially apply scan signals to the first and second partial panel regions in a normal driving mode, and to sequentially apply the scan signals to a driven one of the first and second partial panel regions in a partial driving mode, and a data driver configured to apply data signals to the first and second partial panel regions in the normal driving mode, and to apply the data signals to the driven one of the first and second partial panel regions in the partial driving mode. In the partial driving mode, the scan driver is configured to sequentially apply diode initialization signals to the driven one of the first and second partial panel regions, and to concurrently apply the diode initialization signals to a non-driven one of the first and second partial panel regions.
    Type: Application
    Filed: December 17, 2019
    Publication date: July 2, 2020
    Inventors: Jae-Hyeon JEON, Jihye KIM
  • Patent number: 10679566
    Abstract: Provided herein may be a display device. The display device may include a substrate, a base layer, a first protrusion and a second protrusion. The substrate may include a pixel area, and a peripheral area surrounding the pixel area. The base layer may be disposed on the pixel area, and include a plurality of island patterns on which respective pixels are provided, and a plurality of bridge patterns coupling the adjacent island patterns to each other, the plurality of island patterns and the plurality of bridge patterns disposed on the first area. The first protrusion and the second protrusion may be provided on the base layer.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hyeon Jeon, Byung Sun Kim, Ji Hye Kim, Hui Nam, Dong Hoon Lee
  • Publication number: 20200168611
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate including a plurality of active regions that extend longitudinally in a direction and an isolation region that electrically isolates the plurality of active regions from each other. The semiconductor device includes a gate trench that extends across the plurality of active regions and the isolation region. The semiconductor device includes a gate structure that extends in the gate trench. The semiconductor device includes a gate dielectric layer that is between the gate trench and the gate structure, in each of the plurality of active regions. The gate structure has a first width in the direction in each of the plurality of active regions and has a second width in the direction in the isolation region that is different from the first width.
    Type: Application
    Filed: September 10, 2019
    Publication date: May 28, 2020
    Inventors: Jae-hyeon Jeon, Se-keun Park, Dong-sik Park, Seok-ho Shin
  • Publication number: 20200152136
    Abstract: A display device includes a display panel including a folding area and a non-folding area, a data driver configured to provide a data voltage to the display panel, a gate driver configured to provide a gate signal to the display panel, a folding area compensator configured to generate a compensation data that adjusts a luminance of the folding area based upon a count of the number of times the folding area has been folded and a current flowing through a pixel formed in the folding area, and a timing controller configured to generate a control signal that controls the data driver, the gate driver, and the folding area compensator.
    Type: Application
    Filed: November 7, 2019
    Publication date: May 14, 2020
    Inventor: JAE-HYEON JEON
  • Patent number: 10504413
    Abstract: A display apparatus includes a display panel including a plurality of data lines and a plurality of scan lines crossing the plurality of data lines, the plurality of data lines including a plurality of first data lines and a plurality of second data lines, a scan driver configured to sequentially output a plurality of scan signals to the plurality of scan lines, a first data driver circuit configured to sequentially output a plurality of first data signals to the plurality of first data lines, and a second data driver circuit configured to sequentially output a plurality of second data signals to the plurality of second data lines based on a feedback signal received from the first data driver circuit.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: December 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyojin Lee, Jihye Kim, Jae-Hyeon Jeon
  • Patent number: 10235944
    Abstract: A display apparatus includes a display and a controller. The display includes a plurality color sub-pixels, each including an organic light emitting diode and a driving transistor to drive the organic light emitting diode. The driving transistor drives in a saturation region for a normal mode and in a linear region for a standby mode. The controller controls a first portion of preset-color sub-pixels among the color sub-pixels to emit light and a second portion of the preset-color sub-pixels among the color sub-pixels to not emit light in the standby mode.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Hoon Lee, Hui Nam, Byung-Sun Kim, Jae-Hyeon Jeon, Myung-Ho Lee
  • Publication number: 20180174523
    Abstract: Provided herein may be a display device. The display device may include substrate, a base layer, a first protrusion and a second protrusion. The substrate may include a pixel area, and a peripheral area surrounding the pixel area. The base layer may be disposed on the pixel area, and include a plurality of island patterns on which respective pixels are provided, and a plurality of bridge patterns coupling the adjacent island patterns to each other, the plurality of island patterns and the plurality of bridge patterns disposed an the first area. The first protrusion and the second protrusion may be provided on the base layer.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Inventors: Jae Hyeon JEON, Byung Sun KIM, Ji Hye KIM, Hui NAM, Dong Hoon LEE
  • Publication number: 20180137803
    Abstract: A display apparatus includes a display panel including a plurality of data lines and a plurality of scan lines crossing the plurality of data lines, the plurality of data lines including a plurality of first data lines and a plurality of second data lines, a scan driver configured to sequentially output a plurality of scan signals to the plurality of scan lines, a first data driver circuit configured to sequentially output a plurality of first data signals to the plurality of first data lines, and a second data driver circuit configured to sequentially output a plurality of second data signals to the plurality of second data lines based on a feedback signal received from the first data driver circuit.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 17, 2018
    Inventors: Hyojin LEE, Jihye KIM, Jae-Hyeon JEON
  • Publication number: 20170330518
    Abstract: A display apparatus includes a display and a controller. The display includes a plurality color sub-pixels, each including an organic light emitting diode and a driving transistor to drive the organic light emitting diode. The driving transistor drives in a saturation region for a normal mode and in a linear region for a standby mode. The controller controls a first portion of preset-color sub-pixels among the color sub-pixels to emit light and a second portion of the preset-color sub-pixels among the color sub-pixels to not emit light in the standby mode.
    Type: Application
    Filed: February 16, 2017
    Publication date: November 16, 2017
    Inventors: Dong-Hoon LEE, Hui NAM, Byung-Sun KIM, Jae-Hyeon JEON, Myung-Ho LEE
  • Patent number: 9496319
    Abstract: A display apparatus including: a display unit including a plurality of pixels, each of the plurality of pixels including: a light-emitting circuit including a light-emitting device; and a heating circuit adjacent to the light-emitting circuit, the heating circuit including: a heating device; and a controller configured to generate and output an emission signal for controlling an operation of the light-emitting circuit; and generating and output a heating signal for controlling an operation of the heating circuit, wherein: a first end of the light-emitting circuit is connected to a first power supply voltage; a second end of the light-emitting circuit is connected to a second power supply voltage; a first end of the heating circuit is connected to a first heating power supply voltage; and a second end of the heating circuit is connected to a second heating power supply voltage.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: November 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae Hyeon Jeon
  • Publication number: 20160079317
    Abstract: A display apparatus including: a display unit including a plurality of pixels, each of the plurality of pixels including: a light-emitting circuit including a light-emitting device; and a heating circuit adjacent to the light-emitting circuit, the heating circuit including: a heating device; and a controller configured to generate and output an emission signal for controlling an operation of the light-emitting circuit; and generating and output a heating signal for controlling an operation of the heating circuit, wherein: a first end of the light-emitting circuit is connected to a first power supply voltage; a second end of the light-emitting circuit is connected to a second power supply voltage; a first end of the heating circuit is connected to a first heating power supply voltage; and a second end of the heating circuit is connected to a second heating power supply voltage.
    Type: Application
    Filed: March 25, 2015
    Publication date: March 17, 2016
    Inventor: Jae Hyeon JEON
  • Patent number: 9123852
    Abstract: A method of manufacturing a flexible display device for sensing bending that includes forming a lower electrode layer, which includes a plurality of lower electrodes spaced apart from each other on a substrate, forming an insulation layer on the lower electrode layer, forming holes in the insulation layer to expose at least a part of each of the plurality of lower electrodes, and forming an upper electrode layer, which includes a plurality of upper electrodes that are spaced apart from each other on the insulation layer and that fill the holes in the insulation layer. At least two conductive units including the lower electrode layer, the insulation layer, and the upper electrode layer are formed to face each other on a substrate of a non-display unit that is arranged near a boundary of the display device.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: September 1, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Hyeon Jeon, Tae-Jin Kim, Hae-Kwan Seo
  • Publication number: 20140096616
    Abstract: A method of manufacturing a flexible display device for sensing bending that includes forming a lower electrode layer, which includes a plurality of lower electrodes spaced apart from each other on a substrate, forming an insulation layer on the lower electrode layer, forming holes in the insulation layer to expose at least a part of each of the plurality of lower electrodes, and forming an upper electrode layer, which includes a plurality of upper electrodes that are spaced apart from each other on the insulation layer and that fill the holes in the insulation layer. At least two conductive units including the lower electrode layer, the insulation layer, and the upper electrode layer are formed to face each other on a substrate of a non-display unit that is arranged near a boundary of the display device.
    Type: Application
    Filed: March 7, 2013
    Publication date: April 10, 2014
    Inventors: Jae-Hyeon JEON, Tae-Jin KIM, Hae-Kwan SEO