Patents by Inventor Keun Soo Lee

Keun Soo 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: 11038128
    Abstract: A flexible organic light-emitting display device may include: a first polymer layer; a first transparent conductive layer over the first polymer layer; a first inorganic layer over the first transparent conductive layer; and a plurality of pixels on the first inorganic layer and each including an organic light-emitting diode, and a driver configured to drive the organic light-emitting diode.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ho Kim, Min Ju Kim, Sang Hun Oh, Keun Soo Lee, Jeong Ho Lee
  • Patent number: 11024829
    Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Ryuk Park, Keun Soo Lee, Sun Youl Lee, Yun-Mo Chung, Jae Beom Choi
  • Patent number: 11017719
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jung Kim, Tae Young Kim, Yong Sung Park, Jong Woo Park, Mi Seon Seo, Keun Soo Lee, Ki Ju Im, Dae Youn Cho, Young Tae Choi, Hyun Cheol Hwang
  • Publication number: 20210126020
    Abstract: A display device includes a substrate including a display area to display an image and a non-display area provided on at least one side of the display area, a plurality of pixels disposed on the substrate and provided in an area corresponding to the display area, a first insulating layer having an opening in a first area of the non-display area, a second insulating layer provided in the first area, first lines provided on the substrate and connected to the plurality of pixels, and second lines provided on the first and second insulating layers, and connected to the first lines. An area in which the first lines overlap with the second lines is spaced apart from an edge of the second insulating layer when viewed in a plan view.
    Type: Application
    Filed: January 4, 2021
    Publication date: April 29, 2021
    Inventors: Deuk Jong Kim, Keun Soo Lee
  • Patent number: 10971575
    Abstract: A display device includes a substrate with a display area and a non-display area, pixels disposed in the display area, a first wire extending from the pixels to the non-display area and disposed on the substrate, an insulating layer covering at least the first wire, a second wire extending from the pixels to the non-display area, and a second insulating layer or the first insulating layer covering the second wire, wherein the first wire is disposed on the non-display area either spaced apart from the second wire by a first distance and a second distance that is different from the first distance, or in a position overlapping at least part of the second wire.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: April 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Zail Lhee, Mi Na Jung, Deuk Jong Kim, Keun Soo Lee, Ji Hye Heo
  • Patent number: 10910572
    Abstract: A flexible display device including: a display substrate having a display area and a peripheral area surrounding the display area; a plurality of pixels formed in the display area; a passivation layer covering the pixels from the top to protect the pixels; a polarization film layer provided at the top of the passivation layer and of which an edge is extended outside an edge of the passivation layer; and a film wiring made of a flexible material of which one end is connected to the peripheral area.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Ryuk Park, Hyun-Been Hwang, Sang Hun Oh, Keun Soo Lee, Sun Youl Lee, Gyoo Chul Jo
  • Patent number: 10886493
    Abstract: A display device includes a substrate including a display area and a non-display area. The display device further includes a plurality of pixels in the display area of the substrate. The display device additionally includes a plurality of gate lines and a plurality of data lines respectively connected to the plurality of pixels. The display device further includes a plurality of insulative step portions disposed in the non-display area of the substrate and arranged in a first direction parallel to sides of the display area. The display device further includes a crack detection line in the non-display area and extending primarily in the first direction. The crack detection line includes a first portion which does not overlap the plurality of insulative step portions, and a second portion overlapping each of the insulative step portions.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Soo Lee, Neung Ho Cho
  • Patent number: 10886306
    Abstract: A display device includes a substrate including a display area to display an image and a non-display area provided on at least one side of the display area, a plurality of pixels disposed on the substrate and provided in an area corresponding to the display area, a first insulating layer having an opening in a first area of the non-display area, a second insulating layer provided in the first area, first lines provided on the substrate and connected to the plurality of pixels, and second lines provided on the first and second insulating layers, and connected to the first lines. An area in which the first lines overlap with the second lines is spaced apart from an edge of the second insulating layer when viewed in a plan view.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Deuk Jong Kim, Keun Soo Lee
  • Publication number: 20200365818
    Abstract: A flexible display device including: a display substrate having a display area and a peripheral area surrounding the display area; a plurality of pixels formed in the display area; a passivation layer covering the pixels from the top to protect the pixels; a polarization film layer provided at the top of the passivation layer and of which an edge is extended outside an edge of the passivation layer; and a film wiring made of a flexible material of which one end is connected to the peripheral area.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Inventors: Jong-Ryuk Park, Hyun-Been Hwang, Sang Hun Oh, Keun Soo Lee, Sun Youl Lee, Gyoo Chul Jo
  • Publication number: 20200295301
    Abstract: A display apparatus includes: a substrate; a display unit disposed on the substrate; a barrier unit disposed between the substrate and the display unit; and a buffer unit disposed between the barrier unit and the display unit, wherein a sum of a thickness of the barrier unit and a thickness of the buffer unit is in the range from 0.9 ?m to 3 ?m.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Inventors: Keun-Soo Lee, Yong-Hwan Park, Chi-Wook An, Seong-Jun Lee
  • Publication number: 20200243006
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.
    Type: Application
    Filed: September 11, 2019
    Publication date: July 30, 2020
    Inventors: Hyo Jung KIM, Tae Young KIM, Yong Sung Park, Jong Woo Park, Mi Seon SEO, Keun Soo LEE, Ki Ju IM, Dae Youn CHO, Young Tae CHOI, Hyun Cheol HWANG
  • Publication number: 20200219965
    Abstract: A display is provided. The display device includes a display area and a non-display area located around the display area; a base layer; an organic light-emitting diode (OLED) that is located on the base layer in the display area; and a first crack detection line that is located on the base layer in the non-display area; wherein the first crack detection line comprises a first line that extends substantially in a first direction along a first edge of the display area, a second line that is separated from the first line and extends substantially in the first direction, and a third line that is connected to an end of the first line and an end of the second line, wherein a cross-sectional shape of the first line in a second direction crossing the first direction is inversely tapered.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 9, 2020
    Inventors: Hun KIM, Yong Jin KIM, Soon Jung WANG, Keun Soo LEE, Jae Ho LEE, Kyung Chan CHAE
  • Patent number: 10680201
    Abstract: A display apparatus includes: a substrate; a display unit disposed on the substrate; a barrier unit disposed between the substrate and the display unit; and a buffer unit disposed between the barrier unit and the display unit, wherein a sum of a thickness of the barrier unit and a thickness of the buffer unit is in the range from 0.9 ?m to 3 ?m.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun-Soo Lee, Yong-Hwan Park, Chi-Wook An, Seong-Jun Lee
  • Patent number: 10636864
    Abstract: A display is provided. The display device includes a display area and a non-display area located around the display area; a base layer; an organic light-emitting diode (OLED) that is located on the base layer in the display area; and a first crack detection line that is located on the base layer in the non-display area; wherein the first crack detection line comprises a first line that extends substantially in a first direction along a first edge of the display area, a second line that is separated from the first line and extends substantially in the first direction, and a third line that is connected to an end of the first line and an end of the second line, wherein a cross-sectional shape of the first line in a second direction crossing the first direction is inversely tapered.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: April 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun Kim, Yong Jin Kim, Soon Jung Wang, Keun Soo Lee, Jae Ho Lee, Kyung Chan Chae
  • Publication number: 20200066827
    Abstract: A display device includes a substrate with a display area and a non-display area, pixels disposed in the display area, a first wire extending from the pixels to the non-display area and disposed on the substrate, an insulating layer covering at least the first wire, a second wire extending from the pixels to the non-display area, and a second insulating layer or the first insulating layer covering the second wire, wherein the first wire is disposed on the non-display area either spaced apart from the second wire by a first distance and a second distance that is different from the first distance, or in a position overlapping at least part of the second wire.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 27, 2020
    Inventors: Zail LHEE, Mi Na Jung, Deuk Jong Kim, Keun Soo Lee, Ji Hye Heo
  • Patent number: 10497772
    Abstract: A display device includes a substrate with a display area and a non-display area, pixels disposed in the display area, a first wire extending from the pixels to the non-display area and disposed on the substrate, an insulating layer covering at least the first wire, a second wire extending from the pixels to the non-display area, and a second insulating layer or the first insulating layer covering the second wire, wherein the first wire is disposed on the non-display area either spaced apart from the second wire by a first distance and a second distance that is different from the first distance, or in a position overlapping at least part of the second wire.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: December 3, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Zail Lhee, Mi Na Jung, Deuk Jong Kim, Keun Soo Lee, Ji Hye Heo
  • Publication number: 20190341572
    Abstract: A display device includes a substrate including a display area and a non-display area. The display device further includes a plurality of pixels in the display area of the substrate. The display device additionally includes a plurality of gate lines and a plurality of data lines respectively connected to the plurality of pixels. The display device further includes a plurality of insulative step portions disposed in the non-display area of the substrate and arranged in a first direction parallel to sides of the display area. The display device further includes a crack detection line in the non-display area and extending primarily in the first direction. The crack detection line includes a first portion which does not overlap the plurality of insulative step portions, and a second portion overlapping each of the insulative step portions.
    Type: Application
    Filed: July 8, 2019
    Publication date: November 7, 2019
    Inventors: Keun Soo Lee, Neung Ho Cho
  • Publication number: 20190319216
    Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 17, 2019
    Inventors: JONG-RYUK PARK, Keun Soo Lee, Sun Youl Lee, Yun-Mo Chung, Jae Beom Choi
  • Publication number: 20190221634
    Abstract: A display is provided. The display device includes a display area and a non-display area located around the display area; a base layer; an organic light-emitting diode (OLED) that is located on the base layer in the display area; and a first crack detection line that is located on the base layer in the non-display area; wherein the first crack detection line comprises a first line that extends substantially in a first direction along a first edge of the display area, a second line that is separated from the first line and extends substantially in the first direction, and a third line that is connected to an end of the first line and an end of the second line, wherein a cross-sectional shape of the first line in a second direction crossing the first direction is inversely tapered.
    Type: Application
    Filed: March 21, 2019
    Publication date: July 18, 2019
    Inventors: Hun KIM, Yong Jin KIM, Soon Jung WANG, Keun Soo LEE, Jae Ho LEE, Kyung Chan CHAE
  • Patent number: 10347860
    Abstract: A display device includes a substrate including a display area and a non-display area. The display device further includes a plurality of pixels in the display area of the substrate. The display device additionally includes a plurality of gate lines and a plurality of data lines respectively connected to the plurality of pixels. The display device further includes a plurality of insulative step portions disposed in the non-display area of the substrate and arranged in a first direction parallel to sides of the display area. The display device further includes a crack detection line in the non-display area and extending primarily in the first direction. The crack detection line includes a first portion which does not overlap the plurality of insulative step portions, and a second portion overlapping each of the insulative step portions.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: July 9, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Soo Lee, Neung Ho Cho