Patents by Inventor Yun-Jong Yeo

Yun-Jong Yeo 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: 20250254926
    Abstract: A display device is disclosed that includes a substrate, a semiconductor layer, a first conductive layer, and a first gate insulating layer. The semiconductor layer is disposed on the substrate and includes a first area and a second area. The first conductive layer is disposed on the semiconductor layer and includes a first gate pattern overlapping the first area and a second gate pattern overlapping the second area. The first gate insulating layer is disposed between the semiconductor layer and the first conductive layer and includes a first insulating layer overlapping the first area and the second area, a second insulating layer overlapping the first area and the second area, and a third insulating layer not overlapping the first area but overlapping the second area. The second insulating layer is disposed between the first insulating layer and the third insulating layer, and has a dielectric constant greater than that of the third insulating layer.
    Type: Application
    Filed: April 23, 2025
    Publication date: August 7, 2025
    Inventors: Sung Won CHO, Yun Jong YEO, Yu Gwang JEONG, Jae Hwan CHU
  • Publication number: 20250133922
    Abstract: A display device and method for manufacturing the display device includes, a substrate, a light emitting element layer disposed on the substrate and including at least one light emitting element, and a light control layer disposed on the light emitting element layer, wherein the light control layer includes, a plurality of light blocking films disposed to be spaced apart from each other, at least one bridge connecting at least two of the plurality of light blocking films, and a light transmitting film disposed between the plurality of light blocking films and the bridge.
    Type: Application
    Filed: July 10, 2024
    Publication date: April 24, 2025
    Inventors: Kyong Chol LEE, Yun Jong YEO, Da Woon JUNG, Jae Woo JEONG, Hyun Min CHO
  • Publication number: 20250133909
    Abstract: A display device includes: a substrate; a first electrode on the substrate; a light emitting layer on the first electrode; a pixel defining layer on the light emitting layer; and a second electrode on the light emitting layer. First and second opposite sides of the light emitting layer are located on the pixel defining layer, and have straight line shapes that are inclined at an angle with respect to an upper surface of the pixel defining layer.
    Type: Application
    Filed: May 3, 2024
    Publication date: April 24, 2025
    Inventors: Hyun Eok SHIN, Jong Hee PARK, Yun Jong YEO, Sung Soon IM
  • Patent number: 12193296
    Abstract: A conductive pattern is disclosed that includes a conductive layer including aluminum, a first capping layer disposed on the conductive layer and including titanium, and a second capping layer disposed on the first capping layer and including titanium nitride. A mixed region in which the aluminum and the titanium are mixed with each other is disposed in at least portions of the conductive layer and the first capping layer.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: January 7, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Eok Shin, Do Keun Song, Dong Min Lee, Joon Yong Park, Hyun Ah Sung, Yun Jong Yeo, Dae Won Choi
  • Patent number: 12161041
    Abstract: An etching device includes a chamber; a stage disposed in the chamber and on which a target substrate is loaded; a gas distribution unit disposed to face the stage in the chamber; a plurality of plasma generation modules disposed above the chamber; a gas supply unit that supplies gas into the chamber; a gas line connecting the gas supply unit and the plurality of plasma generation modules; and a plurality of gas inlet pipes each including an end connected to the plasma generation module and another end connected to the gas distribution unit.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: December 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Soo Kim, Sang Gab Kim, Yun Jong Yeo, Ju Hee Lee, Soo Beom Jo, Dae Won Choi
  • Publication number: 20240347507
    Abstract: A light emitting display device and a car including the same according to embodiments include: a substrate; a plurality of light emitting diodes that are disposed above the substrate and include a plurality of light emitting layers; a pixel defining layer that has openings corresponding to the plurality of light emitting layers; and a plurality of light blocking patterns that are disposed on the pixel defining layer and the plurality of light emitting layers, and extend in a first direction. Each of the plurality of light blocking patterns includes a first portion and a second portion formed on the first portion and having a width decreasing toward an upper portion thereof.
    Type: Application
    Filed: February 19, 2024
    Publication date: October 17, 2024
    Inventors: Hyun Min CHO, Jun Ho SIM, Jae Hun LEE, Yun Jong YEO, DAWOON JUNG, Yang-Ho JUNG, Yu-Gwang JEONG
  • Patent number: 12074175
    Abstract: A display substrate includes a substrate, a first gate electrode on the substrate, a first gate insulating layer on the first gate electrode, an active layer on the first gate insulating layer, a second gate insulating layer on the active layer, a second gate electrode on the second gate insulating layer, an interlayer insulating layer on the second gate electrode, a first electrode on the interlayer insulating layer to contact a top surface, a side wall, and a bottom surface of the active layer via a first contact hole through the interlayer insulating layer, the second gate insulating layer, the active layer, and a portion of the first gate insulating layer, and a second electrode on the interlayer insulating layer to contact the first gate electrode via a second contact hole through the interlayer insulating layer, the second gate insulating layer, and the first gate insulating layer.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: August 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungwon Cho, Yu-Gwang Jeong, Daewon Choi, Seon-Il Kim, Subin Bae, Yun Jong Yeo
  • Publication number: 20240188336
    Abstract: A display device includes first pixel and second electrodes spaced apart from each other on a substrate, an inorganic insulating layer on the substrate and partially covering the first pixel electrode and the second pixel electrode, residual patterns disposed between the first or second pixel electrodes and the inorganic insulating layer, a bank structure on the inorganic insulating layer with first and second openings defined therethrough to overlap the first and second pixel electrodes, first and second light emitting layers on the first and second pixel electrodes, first and second common electrodes on the first and second light emitting layers, and first and second inorganic layers on the first and second common electrodes in the first and second openings. The bank structure includes first and second bank layers including different metal materials, and the second bank layer includes tips protruding to a center of the first or second opening.
    Type: Application
    Filed: September 21, 2023
    Publication date: June 6, 2024
    Inventors: Dae Won CHOI, Yun Jong YEO, Su Bin BAE, Da Woon JUNG
  • Patent number: 11984537
    Abstract: A display device includes a substrate; a first circuit part and a second circuit part on the substrate and spaced from each other in a first direction; and an emission part between the first circuit part and the second circuit part, the emission part being located between the first circuit part and the second circuit part in a direction parallel to the substrate, wherein the first circuit part includes a first electrode extending to the emission part, wherein the second circuit part includes a second electrode extending to the emission part, and wherein the emission part includes a light emitting element located between the first electrode and the second electrode.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Bin Bae, Yun Jong Yeo, Jung Yun Jo
  • Publication number: 20240122029
    Abstract: A display device includes a substrate, a light emitting element layer disposed on the substrate and including a plurality of light emitting areas each including a light emitting element that emits light, an encapsulation layer disposed on the light emitting element layer, and a light control layer disposed on the encapsulation layer, wherein the light control layer includes a light transmitting film that transmits the light and a light blocking film that blocks the light, and the light transmitting film includes, a first light transmitting portion overlapping the light blocking film in a thickness direction of the substrate, and a plurality of second light transmitting portions each surrounded by the light blocking film, and a thickness of the light blocking film is greater than a thickness of the first light transmitting portion.
    Type: Application
    Filed: August 8, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Min CHO, Da Woon JUNG, Kab Jong SEO, Yu Gwang JEONG, Yun Jong YEO, Yang Ho JUNG
  • Publication number: 20240121989
    Abstract: A display device includes: a first pixel electrode disposed in a first emission area, on a substrate; an insulating layer covering edges of the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode and the insulating layer; a first common electrode disposed on the first light-emitting layer; banks disposed on the insulating layer and surrounding the first emission area; and a first organic pattern surrounding the first emission area, disposed on the banks, and including the same material as the first light-emitting layer. Side surfaces of each of the banks are spaced apart from side surfaces of the insulating layer.
    Type: Application
    Filed: August 3, 2023
    Publication date: April 11, 2024
    Inventors: Da Woon JUNG, Su Bin BAE, Tae Wook KANG, Sang Gab KIM, Yun Jong YEO, Yu Gwang JEONG
  • Patent number: 11744120
    Abstract: A manufacturing method of a display device includes: forming a transistor on a substrate; forming an organic insulating layer on the transistor; and performing a plasma treatment on the organic insulating layer. The organic insulating layer includes an acryl-based polymer, and the plasma treatment is performed by using helium gas or argon gas.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Min Cho, Tae Sung Kim, Yun Jong Yeo, Ji Youn Nam, Hee Min Yoo
  • Publication number: 20230180526
    Abstract: A display panel includes: a plurality of first electrodes disposed on a via-layer and corresponding to a plurality of pixel areas, respectively; a pixel-defining layer disposed on the via-layer; first opening parts corresponding to central portions of the first electrodes and penetrating through the pixel-defining layer; electrode undercuts corresponding to edges of the first opening parts and provided as gaps between the first electrodes and the pixel-defining layer; a plurality of second opening parts corresponding to peripheries of the first electrodes, respectively, and penetrating through the pixel-defining layer; and via-grooves corresponding to the second opening parts and defined on an upper surface of the via-layer; via-undercuts provided by the pixel-defining layer around the second opening parts and the via-layer around the via-grooves.
    Type: Application
    Filed: August 4, 2022
    Publication date: June 8, 2023
    Inventors: Dae Won CHOI, Sang Gab KIM, Su Bin BAE, Yun Jong YEO, Da Woon JUNG, Yu Gwang JEONG
  • Publication number: 20230086407
    Abstract: A conductive pattern is disclosed that includes a conductive layer including aluminum, a first capping layer disposed on the conductive layer and including titanium, and a second capping layer disposed on the first capping layer and including titanium nitride. A mixed region in which the aluminum and the titanium are mixed with each other is disposed in at least portions of the conductive layer and the first capping layer.
    Type: Application
    Filed: April 11, 2022
    Publication date: March 23, 2023
    Inventors: Hyun Eok SHIN, Do Keun SONG, Dong Min LEE, Joon Yong PARK, Hyun Ah SUNG, Yun Jong YEO, Dae Won CHOI
  • Publication number: 20230065849
    Abstract: A display device is disclosed that includes a substrate, a semiconductor layer, a first conductive layer, and a first gate insulating layer. The semiconductor layer is disposed on the substrate and includes a first area and a second area. The first conductive layer is disposed on the semiconductor layer and includes a first gate pattern overlapping the first area and a second gate pattern overlapping the second area. The first gate insulating layer is disposed between the semiconductor layer and the first conductive layer and includes a first insulating layer overlapping the first area and the second area, a second insulating layer overlapping the first area and the second area, and a third insulating layer not overlapping the first area but overlapping the second area. The second insulating layer is disposed between the first insulating layer and the third insulating layer, and has a dielectric constant greater than that of the third insulating layer.
    Type: Application
    Filed: March 23, 2022
    Publication date: March 2, 2023
    Inventors: Sung Won CHO, Yun Jong YEO, Yu Gwang JEONG, Jae Hwan CHU
  • Publication number: 20230054453
    Abstract: A display device includes a first electrode and a second electrode, a first insulating layer covering the first electrode and the second electrode, light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode and contacting an end of each of the light emitting elements, a second connection electrode spaced apart from the first connection electrode and disposed on the second electrode and contacting another end of each of the light emitting elements, a second insulating layer disposed on the first insulating layer and at least partially covering the first connection electrode and the second connection electrode, and a third insulating layer disposed on part of the second insulating layer, wherein the second insulating layer comprises an opening overlapping a part between the first connection electrode and the second connection electrode spaced apart from each other.
    Type: Application
    Filed: May 3, 2022
    Publication date: February 23, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Su Bin BAE, Yun Jong YEO, Da Woon JUNG, Yu Gwang JEONG
  • Patent number: 11567363
    Abstract: A light control member includes a light control substrate including a surface, and a scalene prism disposed on the light control substrate. The scalene prism includes a first side surface extended at a first angle with respect to the surface of the light control substrate, and a second side surface extended at a second angle with respect to the surface of the light control substrate, the second angle being greater than the first angle. The light control member includes an etching stopper disposed on the scalene prism, and at least one absorption pattern disposed on the etching stopper on the second side surface of the scalene prism.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Won Cho, Yun Jong Yeo, Seon Il Kim, Youn Joon Kim, Dae Won Choi
  • Patent number: 11552279
    Abstract: A display device includes: a first substrate; a barrier layer on the first substrate; an optical pattern layer on the barrier layer, and including a light blocking pattern, and a plurality of light transmitting patterns penetrating the light blocking pattern in a first direction; a first thin film transistor layer on the optical pattern layer; a light emitting element layer on the first thin film transistor layer; and a fingerprint sensor layer underneath the first substrate to receive light reflected from an external object.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Sung Kim, Hyun Min Cho, Yun Jong Yeo
  • Publication number: 20220415932
    Abstract: A display substrate includes a substrate, a first gate electrode on the substrate, a first gate insulating layer on the first gate electrode, an active layer on the first gate insulating layer, a second gate insulating layer on the active layer, a second gate electrode on the second gate insulating layer, an interlayer insulating layer on the second gate electrode, a first electrode on the interlayer insulating layer to contact a top surface, a side wall, and a bottom surface of the active layer via a first contact hole through the interlayer insulating layer, the second gate insulating layer, the active layer, and a portion of the first gate insulating layer, and a second electrode on the interlayer insulating layer to contact the first gate electrode via a second contact hole through the interlayer insulating layer, the second gate insulating layer, and the first gate insulating layer.
    Type: Application
    Filed: August 26, 2022
    Publication date: December 29, 2022
    Inventors: Sungwon CHO, Yu-Gwang JEONG, Daewon CHOI, Seon-Il KIM, Subin BAE, Yun Jong YEO
  • Patent number: 11462574
    Abstract: A display substrate includes a substrate, a first gate electrode on the substrate, a first gate insulating layer on the first gate electrode, an active layer on the first gate insulating layer, a second gate insulating layer on the active layer, a second gate electrode on the second gate insulating layer, an interlayer insulating layer on the second gate electrode, a first electrode on the interlayer insulating layer to contact a top surface, a side wall, and a bottom surface of the active layer via a first contact hole through the interlayer insulating layer, the second gate insulating layer, the active layer, and a portion of the first gate insulating layer, and a second electrode on the interlayer insulating layer to contact the first gate electrode via a second contact hole through the interlayer insulating layer, the second gate insulating layer, and the first gate insulating layer.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungwon Cho, Yu-Gwang Jeong, Daewon Choi, Seon-Il Kim, Subin Bae, Yun Jong Yeo