Patents by Inventor Zail Lhee

Zail Lhee 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: 11925083
    Abstract: A display apparatus includes a substrate, a display unit disposed on the substrate, an insulating layer disposed on the substrate, a power supply wire disposed on the insulating layer outside the display unit, and a cladding layer. The display unit includes a pixel circuit and a display element electrically connected to the pixel circuit. The insulating layer extends from the display unit to an edge of the substrate. The power supply wire is electrically connected to the display element and includes an alignment pattern that exposes at least a portion of the insulating layer. The cladding layer covers an inner surface of the alignment pattern and contacts the at least a portion of the insulating layer.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Zail Lhee, Keunsoo Lee
  • Patent number: 11895884
    Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: February 6, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keon Woo Kim, Ji Hyun Ka, Tae Hoon Kwon, Ho Kyoon Kwon, Min Ku Lee, Zail Lhee, Jin Tae Jeong, Seung Ji Cha, Byung Du Ahn, Jeong Ho Lee
  • Patent number: 11882739
    Abstract: A display apparatus includes a substrate, a display unit disposed on the substrate, an insulating layer disposed on the substrate, a power supply wire disposed on the insulating layer outside the display unit, and a cladding layer. The display unit includes a pixel circuit and a display element electrically connected to the pixel circuit. The insulating layer extends from the display unit to an edge of the substrate. The power supply wire is electrically connected to the display element and includes an alignment pattern that exposes at least a portion of the insulating layer. The cladding layer covers an inner surface of the alignment pattern and contacts the at least a portion of the insulating layer.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Zail Lhee, Keunsoo Lee
  • Publication number: 20230269970
    Abstract: A display device includes a base layer on which a display area and a non-display area are defined, a circuit layer including a first power electrode and driving circuits, which are disposed in the non-display area, a first planarization layer in which a first opening through which the first power electrode is exposed is defined and which covers the driving circuits, a second power electrode disposed on the first planarization layer to contact the first power electrode that is exposed through the first opening and overlapping at least a portion of the driving circuits, and a second planarization layer disposed on the first planarization layer to cover a portion of the second power electrode and having a groove part in an area overlapping the first planarization layer and the second power electrode in a plan view.
    Type: Application
    Filed: May 1, 2023
    Publication date: August 24, 2023
    Inventors: Zail LHEE, Keunsoo LEE
  • Publication number: 20230232653
    Abstract: Provided is a display panel including a substrate including an opening, a display area surrounding the opening, and a middle area between the opening and the display area, a plurality of inorganic insulating layers arranged on the substrate, a first partition wall and a second partition wall arranged in the middle area and arranged in the display area in a direction toward the opening, and a plurality of grooves arranged in the middle area and exposing portions of the plurality of inorganic insulating layers, wherein each of the plurality of grooves includes a metal dummy stack arranged at both sides of each of the grooves based on a virtual vertical line passing through a center of the groove and including a plurality of metal layers.
    Type: Application
    Filed: November 7, 2022
    Publication date: July 20, 2023
    Inventors: Jeongho Lee, Swaehyun Kim, Youhan Moon, Zail Lhee
  • Publication number: 20230209901
    Abstract: A display panel includes a shielding layer overlapped with a semiconductor layer of a transistor connected between a data line and a driving transistor.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 29, 2023
    Inventors: Zail Lhee, Yongsung Park, Donghyun Lee, Junghun Yi, Joohye Jung
  • Patent number: 11678523
    Abstract: A display device includes a base layer on which a display area and a non-display area are defined, a circuit layer including a first power electrode and driving circuits, which are disposed in the non-display area, a first planarization layer in which a first opening through which the first power electrode is exposed is defined and which covers the driving circuits, a second power electrode disposed on the first planarization layer to contact the first power electrode that is exposed through the first opening and overlapping at least a portion of the driving circuits, and a second planarization layer disposed on the first planarization layer to cover a portion of the second power electrode and having a groove part in an area overlapping the first planarization layer and the second power electrode in a plan view.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Zail Lhee, Keunsoo Lee
  • Publication number: 20220254862
    Abstract: A display apparatus includes a substrate, a display unit disposed on the substrate, an insulating layer disposed on the substrate, a power supply wire disposed on the insulating layer outside the display unit, and a cladding layer. The display unit includes a pixel circuit and a display element electrically connected to the pixel circuit. The insulating layer extends from the display unit to an edge of the substrate. The power supply wire is electrically connected to the display element and includes an alignment pattern that exposes at least a portion of the insulating layer. The cladding layer covers an inner surface of the alignment pattern and contacts the at least a portion of the insulating layer.
    Type: Application
    Filed: April 28, 2022
    Publication date: August 11, 2022
    Inventors: ZAIL LHEE, KEUNSOO LEE
  • Publication number: 20220231096
    Abstract: A display device includes a substrate including a display area and a non-display area, a pixel unit provided in the display area, and including a first pixel column including a plurality of pixels and a second pixel column including a plurality of pixels displaying a different color from a color of the first pixel column, and data lines which are respectively connected to the first pixel column and the second pixel column, and respectively apply data signals to the first pixel column and the second pixel column, wherein the data line connected to the first pixel column includes sub lines and the data line connected to the second pixel column includes sub lines.
    Type: Application
    Filed: April 5, 2022
    Publication date: July 21, 2022
    Inventors: DEUK JONG KIM, JI HYE HEO, ZAIL LHEE, MI NA JUNG
  • Patent number: 11335761
    Abstract: A display apparatus includes a substrate, a display unit disposed on the substrate, an insulating layer disposed on the substrate, a power supply wire disposed on the insulating layer outside the display unit, and a cladding layer. The display unit includes a pixel circuit and a display element electrically connected to the pixel circuit. The insulating layer extends from the display unit to an edge of the substrate. The power supply wire is electrically connected to the display element and includes an alignment pattern that exposes at least a portion of the insulating layer. The cladding layer covers an inner surface of the alignment pattern and contacts the at least a portion of the insulating layer.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Zail Lhee, Keunsoo Lee
  • Publication number: 20220140026
    Abstract: A display device includes a base layer on which a display area and a non-display area are defined, a circuit layer including a first power electrode and driving circuits, which are disposed in the non-display area, a first planarization layer in which a first opening through which the first power electrode is exposed is defined and which covers the driving circuits, a second power electrode disposed on the first planarization layer to contact the first power electrode that is exposed through the first opening and overlapping at least a portion of the driving circuits, and a second planarization layer disposed on the first planarization layer to cover a portion of the second power electrode and having a groove part in an area overlapping the first planarization layer and the second power electrode in a plan view.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 5, 2022
    Inventors: Zail LHEE, Keunsoo LEE
  • Publication number: 20220085140
    Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Keon Woo KIM, Ji Hyun KA, Tae Hoon KWON, Ho Kyoon KWON, Min Ku LEE, Zail LHEE, Jin Tae JEONG, Seung Ji CHA, Byung Du AHN, Jeong Ho LEE
  • Patent number: 11263975
    Abstract: A display apparatus includes a substrate including a first area, a display area surrounding the first area, and a non-display area surrounding the display area; pixels disposed in the display area; scan lines extending in a first direction and disconnected in the first area; data lines extending in a second direction intersecting the first direction and disconnected in the first area; and data connection lines electrically connecting the data lines disconnected in the first area.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Zail Lhee, Jonghak Hwang, Sanghun Oh, Sanghun Lee
  • Patent number: 11227906
    Abstract: A display device includes a base layer on which a display area and a non-display area are defined, a circuit layer including a first power electrode and driving circuits, which are disposed in the non-display area, a first planarization layer in which a first opening through which the first power electrode is exposed is defined and which covers the driving circuits, a second power electrode disposed on the first planarization layer to contact the first power electrode that is exposed through the first opening and overlapping at least a portion of the driving circuits, and a second planarization layer disposed on the first planarization layer to cover a portion of the second power electrode and having a groove part in an area overlapping the first planarization layer and the second power electrode in a plan view.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Zail Lhee, Keunsoo Lee
  • Patent number: 11189680
    Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 30, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keon Woo Kim, Ji Hyun Ka, Tae Hoon Kwon, Ho Kyoon Kwon, Min Ku Lee, Zail Lhee, Jin Tae Jeong, Seung Ji Cha, Byung Du Ahn, Jeong Ho Lee
  • Patent number: 11183113
    Abstract: A display device includes: a display panel including a plurality of pixels, a pixel from among the pixels being coupled to a scan line and a data line; a scan driver configured to supply a first scan signal to the scan line in a scan period in one frame, and to supply a second scan signal to the scan line in a compensation period after the scan period; and a data driver configured to supply a first data signal to the data line in synchronization with the first scan signal, and to supply a second data signal to the data line in synchronization with the second scan signal, wherein the first data signal is generated based on input image data supplied from an image source, and the second data signal is generated based on a conversion image data obtained by converting a grayscale of the input image data.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: November 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Zail Lhee, Yong Sung Park
  • Publication number: 20210233474
    Abstract: A display apparatus includes a substrate including a first area, a display area surrounding the first area, and a non-display area surrounding the display area; pixels disposed in the display area; scan lines extending in a first direction and disconnected in the first area; data lines extending in a second direction intersecting the first direction and disconnected in the first area; and data connection lines electrically connecting the data lines disconnected in the first area.
    Type: Application
    Filed: September 18, 2020
    Publication date: July 29, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jeongho LEE, Zail LHEE, Jonghak HWANG, Sanghun OH, Sanghun 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
  • Publication number: 20200350393
    Abstract: A display apparatus includes a substrate, a display unit disposed on the substrate, an insulating layer disposed on the substrate, a power supply wire disposed on the insulating layer outside the display unit, and a cladding layer. The display unit includes a pixel circuit and a display element electrically connected to the pixel circuit. The insulating layer extends from the display unit to an edge of the substrate. The power supply wire is electrically connected to the display element and includes an alignment pattern that exposes at least a portion of the insulating layer. The cladding layer covers an inner surface of the alignment pattern and contacts the at least a portion of the insulating layer.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Inventors: Zail Lhee, Keunsoo Lee
  • Publication number: 20200312240
    Abstract: A display device includes: a display panel including a plurality of pixels, a pixel from among the pixels being coupled to a scan line and a data line; a scan driver configured to supply a first scan signal to the scan line in a scan period in one frame, and to supply a second scan signal to the scan line in a compensation period after the scan period; and a data driver configured to supply a first data signal to the data line in synchronization with the first scan signal, and to supply a second data signal to the data line in synchronization with the second scan signal, wherein the first data signal is generated based on input image data supplied from an image source, and the second data signal is generated based on a conversion image data obtained by converting a grayscale of the input image data.
    Type: Application
    Filed: February 21, 2020
    Publication date: October 1, 2020
    Inventors: Zail LHEE, Yong Sung PARK