Patents by Inventor Oh-June Kwon

Oh-June Kwon 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: 20250089530
    Abstract: A display device includes: a substrate including a flat portion and a bending portion disposed on a side of the flat portion; a light emitting element layer disposed on the substrate and including light emitting elements disposed in the flat portion and the bending portion; and an encapsulation layer disposed over the flat portion and the bending portion and including a first inorganic encapsulation layer disposed on the light emitting element layer, an organic encapsulation layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic encapsulation layer. At least a portion of the organic encapsulation layer disposed in the bending portion includes a portion protruding in a direction upward from the substrate, and a maximum height of the organic encapsulation layer disposed in the bending portion is greater than a maximum height of the organic encapsulation layer disposed in the flat portion.
    Type: Application
    Filed: June 4, 2024
    Publication date: March 13, 2025
    Inventors: Oh June KWON, Woo Yong SUNG, Seung Yong SONG
  • Publication number: 20250078708
    Abstract: A display device includes a display panel including a folding area, and a display driving circuit which drives image display pixels of the display panel, where the display panel includes a display layer, in which the image display pixels are disposed, an elasticity control layer disposed on the display layer and having an area corresponding to the area of the folding area, and a touch sensing unit disposed on the elasticity control layer to detect a user's touch.
    Type: Application
    Filed: April 16, 2024
    Publication date: March 6, 2025
    Inventors: Oh June KWON, Woo Yong SUNG, Seung Yong SONG
  • Patent number: 12232356
    Abstract: A stretchable display device includes a stretchable substrate, at least a portion of which is stretchable in at least one direction, a plurality of light emitting units formed on the stretchable substrate, the light emitting units being spaced apart from each other, the light emitting units each including a pixel electrode, an emission layer, a common electrode, and a common wiring electrode conducted to the common electrode, and a plurality of encapsulations covering and protecting the plurality of light emitting units, respectively.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Oh June Kwon
  • Patent number: 12213373
    Abstract: A display device includes: a flexible substrate having a first surface and a second surface opposite to the first surface, where the flexible substrate includes an upper surface portion extending along a first direction, a first bent portion connected to the upper surface portion, a first side portion connected to the first bent portion, a second bent portion connected to the first side portion, a second side portion connected to the second bent portion, a third bent portion connected to the second side portion, and a lower surface portion connected to the third bent portion; and a support member disposed on the second surface of the flexible substrate, where a portion of the support member disposed to overlap the second bent portion has a thickness less than a thickness of a portion disposed on the first side portion and a thickness of a portion disposed on the second side portion.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh June Kwon, Seung Yong Song, Won Woo Choi
  • Patent number: 12058894
    Abstract: A display device includes a via layer disposed on a substrate and including a via groove having a shape recessed from a first surface to a second surface of the via layer. A first electrode is disposed on the first surface. A pixel-defining film is disposed on the via layer and the first electrode. A first pixel-defining film through-hole passes through the pixel-defining film in a thickness direction and exposes the first electrode. A second pixel-defining film through-hole passes through the pixel-defining film in the thickness direction. The second pixel-defining film through-hole is spaced apart from the first pixel-defining film through-hole and overlaps the via groove. An emission layer is disposed on an exposed portion of the first electrode. A protrusion is disposed on the pixel-defining film and includes a protrusion through-hole which passes through the protrusion in the thickness direction and overlaps the second pixel-defining film through-hole.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: August 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh June Kwon, Woo Yong Sung, Chan Ho Moon, Jung Han Seo, Sung Hoon Yang
  • Publication number: 20240219170
    Abstract: A substrate inspection apparatus includes an optical coherence tomography (OCT) measuring device which outputs a cross-sectional image generated by optical interference between light radiated onto an organic layer on a substrate and reflected light reflected from the organic layer, a memory which stores one or more instructions and a processor which executes the one or more instructions stored in the memory, where the processor sets a reference line extending from a line in contact with one surface of the substrate, on which the organic layer is not disposed, from the cross-sectional image, measures an optical thickness from a first upper line to a lower line of the organic layer in a first area in the cross-sectional image, measures a physical thickness from the first upper line of the organic layer to the reference line, and calculate a refractive index based on the optical thickness and the physical thickness.
    Type: Application
    Filed: September 21, 2023
    Publication date: July 4, 2024
    Inventors: Oh June KWON, Hyo Jeong KWON, Seung Yeon CHAE
  • Patent number: 11864407
    Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. A dam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions. Each of the plurality of protrusions protrudes from the body part.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh June Kwon, Il Sang Lee, Doo Hwan Kim, Woo Yong Sung, Min Sang Kim, Jin Hwan Jeon, Seung Yong Song
  • Publication number: 20230402436
    Abstract: A display device may include light emitting elements disposed on a first surface of a substrate, a connection electrode disposed on a second surface of the substrate, and a via layer disposed on the connection electrode, and including at least one depression. The passivation layer may be disposed in the depression of the via layer.
    Type: Application
    Filed: June 5, 2023
    Publication date: December 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Ho HYUN, Oh June KWON, Woo Yong SUNG
  • Publication number: 20230284491
    Abstract: A display device includes a substrate including a main portion, a first edge portion protruding from the main portion in a first direction, and a second edge portion protruding from the main portion in the first direction and spaced apart from the first edge portion in the first direction, a first data line disposed on the main portion and extending in a second direction intersecting the first direction, a second data line including a first portion disposed on the first edge portion and extending in the second direction, and a second portion disposed on the second edge portion and extending in the second direction, and a connection line electrically connecting the first portion of the second data line and the second portion of the second data line to each other. The first data line and the second data line, and the connection line are disposed on different layers.
    Type: Application
    Filed: February 15, 2023
    Publication date: September 7, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Oh June KWON
  • Publication number: 20230255062
    Abstract: A display device includes a substrate, a first electrode on the substrate, a bank layer including a pixel defining layer with an opening exposing the first electrode, and a spacer group including spacers on the pixel defining layer, a light emitting layer in the opening, and a first encapsulation layer covering the light emitting layer and the bank layer. The bank layer includes a raised portion between the spacers, and a depression portion in a lower region of opposite side surfaces of the spacers, the first encapsulation layer on the raised portion includes a top surface and a bottom surface having a less curvature than the top surface, and the first encapsulation layer includes a first portion on the depression portion and a second portion on the side surface of the spacer, a portion of the second portion is positioned outward from the first portion.
    Type: Application
    Filed: October 14, 2022
    Publication date: August 10, 2023
    Inventors: Oh June KWON, Jeong Seok LEE
  • Publication number: 20230092412
    Abstract: A display device includes a substrate including a display area and a bending region which is adjacent to the display area, a pixel partition wall layer on the substrate, in the display area, and including a pixel-defining layer and a spacer which is on the pixel-defining layer, a first bending protective layer on the substrate, in the bending region, and including a base and a protrusion pattern which is on the base, and a bending inorganic layer on the first bending protective layer.
    Type: Application
    Filed: June 16, 2022
    Publication date: March 23, 2023
    Inventors: Jeong Seok LEE, Oh June KWON, Woo Yong SUNG
  • Publication number: 20230043912
    Abstract: The present disclosure relates to a display device, and a display device according to an embodiment includes a substrate, a transistor disposed on the substrate, a light emitting element connected to the transistor, an encapsulation layer disposed on the light emitting element, a sensing electrode disposed on the encapsulation layer, a first insulating layer disposed on the sensing electrode and including an opening, a second insulating layer disposed on the first insulating layer, and a third insulating layer disposed on the second insulating layer, wherein a refractive index of the third insulating layer is higher than that of the second insulating layer.
    Type: Application
    Filed: April 13, 2022
    Publication date: February 9, 2023
    Inventors: Jeong Seok LEE, Oh June KWON, Kwan Hyuck YOON, Hye Kyun LEE
  • Publication number: 20230018408
    Abstract: A stretchable display device includes a stretchable substrate, at least a portion of which is stretchable in at least one direction, a plurality of light emitting units formed on the stretchable substrate, the light emitting units being spaced apart from each other, the light emitting units each including a pixel electrode, an emission layer, a common electrode, and a common wiring electrode conducted to the common electrode, and a plurality of encapsulations covering and protecting the plurality of light emitting units, respectively.
    Type: Application
    Filed: September 23, 2022
    Publication date: January 19, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Oh June KWON
  • Publication number: 20230008283
    Abstract: A display device includes: a flexible substrate having a first surface and a second surface opposite to the first surface, where the flexible substrate includes an upper surface portion extending along a first direction, a first bent portion connected to the upper surface portion, a first side portion connected to the first bent portion, a second bent portion connected to the first side portion, a second side portion connected to the second bent portion, a third bent portion connected to the second side portion, and a lower surface portion connected to the third bent portion; and a support member disposed on the second surface of the flexible substrate, where a portion of the support member disposed to overlap the second bent portion has a thickness less than a thickness of a portion disposed on the first side portion and a thickness of a portion disposed on the second side portion.
    Type: Application
    Filed: June 26, 2020
    Publication date: January 12, 2023
    Inventors: Oh June KWON, Seung Yong SONG, Won Woo CHOI
  • Publication number: 20230008148
    Abstract: A display device comprises a substrate; a first electrode on the substrate; a bank layer on the substrate and comprising an opening exposing the first electrode; a spacer on the bank layer and having a first thickness; a protrusion on the bank layer, spaced apart from the spacer, and having a second thickness smaller than the first thickness; and an emissive layer on the first electrode exposed by the bank layer, wherein the protrusion comprises a first protrusion pattern and a second protrusion pattern spaced apart from the first protrusion pattern with a valley hole therebetween.
    Type: Application
    Filed: June 28, 2022
    Publication date: January 12, 2023
    Inventors: Jin Ho HYUN, Hee Chang YOON, Hyoung Sub LEE, Hye Min LEE, Oh June KWON, Woo Yong SUNG
  • Patent number: 11469401
    Abstract: A stretchable display device includes a stretchable substrate, at least a portion of which is stretchable in at least one direction, a plurality of light emitting units formed on the stretchable substrate, the light emitting units being spaced apart from each other, the light emitting units each including a pixel electrode, an emission layer, a common electrode, and a common wiring electrode conducted to the common electrode, and a plurality of encapsulations covering and protecting the plurality of light emitting units, respectively.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Oh June Kwon
  • Publication number: 20220208900
    Abstract: A display device includes a via layer disposed on a substrate and including a via groove having a shape recessed from a first surface to a second surface of the via layer. A first electrode is disposed on the first surface. A pixel-defining film is disposed on the via layer and the first electrode. A first pixel-defining film through-hole passes through the pixel-defining film in a thickness direction and exposes the first electrode. A second pixel-defining film through-hole passes through the pixel-defining film in the thickness direction. The second pixel-defining film through-hole is spaced apart from the first pixel-defining film through-hole and overlaps the via groove. An emission layer is disposed on an exposed portion of the first electrode. A protrusion is disposed on the pixel-defining film and includes a protrusion through-hole which passes through the protrusion in the thickness direction and overlaps the second pixel-defining film through-hole.
    Type: Application
    Filed: September 22, 2021
    Publication date: June 30, 2022
    Inventors: Oh June KWON, Woo Yong SUNG, Chan Ho MOON, Jung Han SEO, Sung Hoon YANG
  • Patent number: 11374174
    Abstract: A deposition mask includes: a plurality of sub-masks through which deposition material passes to a base layer to form a deposition layer defining a hole therein, each of the sub-masks including: an aperture through which the deposition material passes to the base layer, a total planar area of the aperture corresponding to less than a total planar area of the deposition layer, and a masking surface at which the deposition material does not pass through the sub-mask, the masking surface including a hole-forming portion of which a total planar area thereof corresponds to a total planar area of the hole defined in the deposition layer. The hole-forming portions of the sub-masks have a same shape and planar area as each other, and within each sub-mask, the shape of the hole-forming portion is nested within a shape of the aperture.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: June 28, 2022
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Moon Won Chang, Oh June Kwon, Soo Youn Kim
  • Publication number: 20220158125
    Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. A dam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Inventors: OH June Kwon, IL Sang Lee, Doo Hwan Kim, Woo Yong Sung, Min Sang Kim, Jin Hwan Jeon, Seung Yong Song
  • Patent number: 11245090
    Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. Adam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions. Each of the plurality of protrusions protrudes from the body part.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Oh June Kwon, Il Sang Lee, Doo Hwan Kim, Woo Yong Sung, Min Sang Kim, Jin Hwan Jeon, Seung Yong Song