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).
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Publication number: 20250254926Abstract: 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: ApplicationFiled: April 23, 2025Publication date: August 7, 2025Inventors: Sung Won CHO, Yun Jong YEO, Yu Gwang JEONG, Jae Hwan CHU
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Publication number: 20250133922Abstract: 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: ApplicationFiled: July 10, 2024Publication date: April 24, 2025Inventors: Kyong Chol LEE, Yun Jong YEO, Da Woon JUNG, Jae Woo JEONG, Hyun Min CHO
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Publication number: 20250133909Abstract: 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: ApplicationFiled: May 3, 2024Publication date: April 24, 2025Inventors: Hyun Eok SHIN, Jong Hee PARK, Yun Jong YEO, Sung Soon IM
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Patent number: 12193296Abstract: 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: GrantFiled: April 11, 2022Date of Patent: January 7, 2025Assignee: 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
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Patent number: 12161041Abstract: 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: GrantFiled: May 5, 2021Date of Patent: December 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Soo Kim, Sang Gab Kim, Yun Jong Yeo, Ju Hee Lee, Soo Beom Jo, Dae Won Choi
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Publication number: 20240347507Abstract: 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: ApplicationFiled: February 19, 2024Publication date: October 17, 2024Inventors: Hyun Min CHO, Jun Ho SIM, Jae Hun LEE, Yun Jong YEO, DAWOON JUNG, Yang-Ho JUNG, Yu-Gwang JEONG
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Patent number: 12074175Abstract: 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: GrantFiled: August 26, 2022Date of Patent: August 27, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sungwon Cho, Yu-Gwang Jeong, Daewon Choi, Seon-Il Kim, Subin Bae, Yun Jong Yeo
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Publication number: 20240188336Abstract: 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: ApplicationFiled: September 21, 2023Publication date: June 6, 2024Inventors: Dae Won CHOI, Yun Jong YEO, Su Bin BAE, Da Woon JUNG
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Patent number: 11984537Abstract: 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: GrantFiled: March 1, 2021Date of Patent: May 14, 2024Assignee: Samsung Display Co., Ltd.Inventors: Su Bin Bae, Yun Jong Yeo, Jung Yun Jo
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Publication number: 20240122029Abstract: 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: ApplicationFiled: August 8, 2023Publication date: April 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Min CHO, Da Woon JUNG, Kab Jong SEO, Yu Gwang JEONG, Yun Jong YEO, Yang Ho JUNG
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Publication number: 20240121989Abstract: 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: ApplicationFiled: August 3, 2023Publication date: April 11, 2024Inventors: Da Woon JUNG, Su Bin BAE, Tae Wook KANG, Sang Gab KIM, Yun Jong YEO, Yu Gwang JEONG
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Patent number: 11744120Abstract: 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: GrantFiled: March 25, 2021Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Min Cho, Tae Sung Kim, Yun Jong Yeo, Ji Youn Nam, Hee Min Yoo
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Publication number: 20230180526Abstract: 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: ApplicationFiled: August 4, 2022Publication date: June 8, 2023Inventors: Dae Won CHOI, Sang Gab KIM, Su Bin BAE, Yun Jong YEO, Da Woon JUNG, Yu Gwang JEONG
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Publication number: 20230086407Abstract: 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: ApplicationFiled: April 11, 2022Publication date: March 23, 2023Inventors: Hyun Eok SHIN, Do Keun SONG, Dong Min LEE, Joon Yong PARK, Hyun Ah SUNG, Yun Jong YEO, Dae Won CHOI
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Publication number: 20230065849Abstract: 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: ApplicationFiled: March 23, 2022Publication date: March 2, 2023Inventors: Sung Won CHO, Yun Jong YEO, Yu Gwang JEONG, Jae Hwan CHU
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Publication number: 20230054453Abstract: 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: ApplicationFiled: May 3, 2022Publication date: February 23, 2023Applicant: Samsung Display Co., LTD.Inventors: Su Bin BAE, Yun Jong YEO, Da Woon JUNG, Yu Gwang JEONG
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Patent number: 11567363Abstract: 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: GrantFiled: September 16, 2020Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Won Cho, Yun Jong Yeo, Seon Il Kim, Youn Joon Kim, Dae Won Choi
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Patent number: 11552279Abstract: 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: GrantFiled: June 12, 2020Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Tae Sung Kim, Hyun Min Cho, Yun Jong Yeo
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Publication number: 20220415932Abstract: 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: ApplicationFiled: August 26, 2022Publication date: December 29, 2022Inventors: Sungwon CHO, Yu-Gwang JEONG, Daewon CHOI, Seon-Il KIM, Subin BAE, Yun Jong YEO
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Patent number: 11462574Abstract: 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: GrantFiled: June 8, 2020Date of Patent: October 4, 2022Assignee: Samsung Display Co., Ltd.Inventors: Sungwon Cho, Yu-Gwang Jeong, Daewon Choi, Seon-Il Kim, Subin Bae, Yun Jong Yeo