Patents by Inventor Pil Suk Lee

Pil Suk 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: 10095272
    Abstract: A flexible display device includes a display panel including a main display area including a plurality of main pixel rows, and a sub display area at a side of the main display area and including a plurality of sub pixel rows, a scan driving circuit configured to provide scan signals to the main pixel rows via a plurality of main scan lines, and provide the scan signals to the sub pixel rows via a plurality of sub scan lines, a data driving circuit configured to provide data signals to a plurality of pixels respectively located in the main pixel rows and the sub pixel rows, and a timing controller configured to control the scan driving circuit and the data driving circuit, wherein a number of the sub pixel rows is less than a number of the main pixel rows.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Chan Park, Jin-Taek Kim, Tae-An Seo, Sun-Hee Lee, Pil-Suk Lee
  • Patent number: 9935280
    Abstract: In an aspect, a flexible substrate may include a base substrate, an insulating layer positioned on a first surface of the base substrate, a protective film positioned on a second surface facing the first surface of the base substrate and an adhesive layer positioned between the base substrate and the protective film and attaching the protective film on the second surface of the base substrate. The adhesive layer may include a cross-linker.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Gug Seol, Tae Woong Kim, Ju Chan Park, Pil Suk Lee, Jin Hwan Choi
  • Publication number: 20180069196
    Abstract: A display device includes a flexible substrate, a display element unit disposed on a first surface of the flexible substrate and including a thin-film transistor (TFT) and an organic light-emitting element coupled to the TFT, and a protective layer comprising an organic material and disposed directly on a second surface of the flexible substrate, the second surface being opposite to the first surface. Impact resistance of the display device can be strengthened by lowering of the neutral plane through the use of the protective layer.
    Type: Application
    Filed: March 9, 2017
    Publication date: March 8, 2018
    Inventors: Sun Hee LEE, Young Gug SEOL, Pil Suk LEE, Ju Chan PARK
  • Publication number: 20180053913
    Abstract: A display device includes a substrate, a barrier layer, a transistor, and a first impact buffer layer. The barrier layer is disposed on the substrate. The transistor is disposed on the barrier layer. The first impact buffer layer is disposed between the barrier layer and the transistor. The first impact buffer layer includes a nanostructure. The nanostructure includes pores.
    Type: Application
    Filed: June 9, 2017
    Publication date: February 22, 2018
    Inventors: Sun Hee LEE, Pil Suk LEE, Ju Chan PARK, Young Gug SEOL
  • Publication number: 20180040633
    Abstract: A display device including a substrate including a display area for displaying an image and a non-display area provided on a side of the display area and including a bending area bent with respect to an axis parallel to a first direction; a plurality of step portions disposed in the bending area and extending in the first direction; a plurality of bridge electrodes extending in a second direction crossing the first direction in the bending area; and a plurality of pattern portions disposed in the bending area. The step portions are spaced apart from each other, and the pattern portions are disposed between adjacent step portions. The pattern portions are lower than the step portions, and an acute angle of sides of each of the pattern portions from the substrate is smaller than an acute angle of sides of each of the step portions from the substrate.
    Type: Application
    Filed: July 6, 2017
    Publication date: February 8, 2018
    Inventors: Pil Suk LEE, Ju Chan PARK, Young Gug SEOL, Sun Hee LEE
  • Patent number: 9887386
    Abstract: A display device includes: a flexible substrate; a display unit on the flexible substrate and configured to display an image; and a compensation layer between the flexible substrate and the display unit.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo Ik Park, Ju Chan Park, Pil Suk Lee
  • Patent number: 9755184
    Abstract: A display panel includes a thin film transistor substrate and a display layer disposed on the thin film transistor substrate and having a display. The thin film transistor substrate may include a base substrate, a stress relief layer disposed on the base substrate and including at least one stress relief pattern, and a driver layer disposed on the stress relief layer and including at least one thin film transistor coupled to the display.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: September 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo Ik Park, Sun Ho Kim, Tae Woong Kim, Pil Suk Lee
  • Publication number: 20170115699
    Abstract: A flexible display device includes a display panel including a main display area including a plurality of main pixel rows, and a sub display area at a side of the main display area and including a plurality of sub pixel rows, a scan driving circuit configured to provide scan signals to the main pixel rows via a plurality of main scan lines, and provide the scan signals to the sub pixel rows via a plurality of sub scan lines, a data driving circuit configured to provide data signals to a plurality of pixels respectively located in the main pixel rows and the sub pixel rows, and a timing controller configured to control the scan driving circuit and the data driving circuit, wherein a number of the sub pixel rows is less than a number of the main pixel rows.
    Type: Application
    Filed: April 8, 2016
    Publication date: April 27, 2017
    Inventors: Ju-Chan Park, Jin-Taek Kim, Tae-An Seo, Sun-Hee Lee, Pil-Suk Lee
  • Patent number: 9564590
    Abstract: A mask comprises a mask frame defining an opening; a plurality of support bars installed in the opening of the mask frame; a plurality of movable bars, each of which is installed over a corresponding one of the plurality of support bars and movable relative to the corresponding support bar, wherein the plurality of support bars and the plurality of movable bars are arranged to divide the opening into a plurality of mask holes; and a plurality of actuators installed between the plurality of movable bars and the corresponding support bars and configured to move the movable bars relative to the plurality of support bars.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: February 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Bo Ik Park, Ju Chan Park, Young Gug Seol, Pil Suk Lee, Jin Hwan Choi
  • Publication number: 20160372530
    Abstract: An organic light emitting diode (OLED) display comprises a substrate, a semiconductor layer portion disposed over the substrate and comprising an active region, a source region, and a drain region, a first insulation layer disposed over the substrate, a gate electrode disposed over the first insulation layer and overlapping the active region, and a second insulation layer disposed over the first insulation layer. First and second insulation material pieces are disposed over the second insulation layer. Source and drain electrodes are disposed over the first and second insulation material pieces and connected the source and drain regions through contact vias formed through the first and second insulation material pieces, respectively. A third insulation layer is disposed over the second insulation layer and covering the source electrode and the drain electrode. The display further includes a first electrode connected to the drain electrode, an organic light emission layer and a second electrode.
    Type: Application
    Filed: February 5, 2016
    Publication date: December 22, 2016
    Inventors: Jin Taek KIM, Tae Woong KIM, Bo Ik PARK, Young Gug SEOL, Sun Hee LEE, Pil Suk LEE
  • Publication number: 20160315276
    Abstract: In an aspect, a flexible substrate may include a base substrate, an insulating layer positioned on a first surface of the base substrate, a protective film positioned on a second surface facing the first surface of the base substrate and an adhesive layer positioned between the base substrate and the protective film and attaching the protective film on the second surface of the base substrate. The adhesive layer may include a cross-linker.
    Type: Application
    Filed: February 3, 2016
    Publication date: October 27, 2016
    Inventors: Young Gug SEOL, Tae Woong KIM, Ju Chan PARK, Pil Suk LEE, Jin Hwan CHOI
  • Publication number: 20160293885
    Abstract: A display panel includes a thin film transistor substrate and a display layer disposed on the thin film transistor substrate and having a display. The thin film transistor substrate may include a base substrate, a stress relief layer disposed on the base substrate and including at least one stress relief pattern, and a driver layer disposed on the stress relief layer and including at least one thin film transistor coupled to the display.
    Type: Application
    Filed: January 13, 2016
    Publication date: October 6, 2016
    Inventors: Bo Ik Park, Sun Ho Kim, Tae Woong Kim, Pil Suk Lee
  • Publication number: 20160226024
    Abstract: A display device includes: a flexible substrate; a display unit on the flexible substrate and configured to display an image; and a compensation layer between the flexible substrate and the display unit.
    Type: Application
    Filed: September 11, 2015
    Publication date: August 4, 2016
    Inventors: Bo Ik Park, Ju Chan Park, Pil Suk Lee
  • Publication number: 20160225995
    Abstract: A mask comprises a mask frame defining an opening; a plurality of support bars installed in the opening of the mask frame; a plurality of movable bars, each of which is installed over a corresponding one of the plurality of support bars and movable relative to the corresponding support bar, wherein the plurality of support bars and the plurality of movable bars are arranged to divide the opening into a plurality of mask holes; and a plurality of actuators installed between the plurality of movable bars and the corresponding support bars and configured to move the movable bars relative to the plurality of support bars.
    Type: Application
    Filed: July 20, 2015
    Publication date: August 4, 2016
    Inventors: Tae An SEO, Bo Ik PARK, Ju Chan PARK, Young Gug SEOL, Pil Suk LEE, Jin Hwan CHOI
  • Publication number: 20160212839
    Abstract: A flexible display device including a substrate including a display unit; a driver integrated chip (IC) connected to the display unit of the substrate, the driver IC supplying a driving voltage; a flexible printed circuit (FPC) attached to an outside portion of the substrate by a substrate pad part at an outer side of the driver IC; and a printed circuit board (PCB) attached to the FPC by a PCB pad part, the PCB transferring a driving voltage to the driver IC of the substrate through the FPC, wherein the outside portion of the substrate is bent to be attached to the FPC, and the FPC is bent in an opposite direction to a bending direction of the outside portion of the substrate to be attached to the PCB.
    Type: Application
    Filed: October 1, 2015
    Publication date: July 21, 2016
    Inventors: Jin Hwan CHOI, Ju Chan PARK, Tae An SEO, Pil Suk LEE
  • Publication number: 20150060784
    Abstract: A method of manufacturing an organic light emitting display includes: patterning an amorphous silicon layer to form an amorphous silicon layer pattern; forming an insulating layer on the amorphous silicon layer pattern; forming a gate electrode on a part of the insulating layer which corresponds to the amorphous silicon layer pattern; forming a blocking film on the gate electrode and the insulating layer; doping an impurity in a part of the amorphous silicon layer pattern; annealing the amorphous silicon layer pattern on which the impurity is doped to form a semiconductor layer; removing the blocking film; etching the insulating layer using the gate electrode as a mask to form a gate insulating layer below the gate electrode; forming an interlayer insulating layer using an organic insulator on a buffer layer, the gate electrode, and the semiconductor layer.
    Type: Application
    Filed: April 15, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hee Lee, Young Gug Seol, Ju Chan Park, Jin Woo Lee, Pil Suk Lee, Hui Ying Li