Patents by Inventor Hyun-Eok Shin
Hyun-Eok Shin 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: 20240105899Abstract: A method of manufacturing a display device includes aligning light emitting elements in an emission area on a substrate, depositing an indium-tin alloy on an entire surface of the substrate at room temperature, heat-treating the indium-tin alloy to reflow along side surfaces of each of the light emitting elements, heat-treating the indium-tin alloy in an oxygen atmosphere to form indium tin oxide, and etching the indium tin oxide to form a first pixel electrode contacting first ends of at least a portion of the light emitting elements.Type: ApplicationFiled: September 25, 2023Publication date: March 28, 2024Applicant: Samsung Display Co., LTD.Inventors: Joon Yong PARK, Hyun Eok SHIN, Sung Joo KWON, Sam Tae JEONG
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Publication number: 20240071757Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicants: Samsung Display Co., LTD., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Mann Ho CHO, Kwang Sik JEONG, Hyeon Sik KIM, Hyun Eok SHIN, Byung Soo SO, Ju Hyun LEE
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Patent number: 11910659Abstract: A display device is provided. A display device includes a non-display area where no image is displayed, and a display area where images are displayed, and including a first area and a second area having different light transmittances, and a first pixel and a second pixel, wherein a transistor and an anode electrode of the first pixel are in the first area, wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area, wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.Type: GrantFiled: August 26, 2021Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Gyung Min Baek, Ju Hyun Lee, Tae Wook Kang, Hyun Eok Shin
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Publication number: 20240057410Abstract: A display device includes a substrate including a flat area and a trench area, which is recessed from the flat area; an electrode pattern disposed on the substrate, where the electrode pattern includes a dent portion, which is bent along a profile of the trench area of the substrate; a planarization layer inserted in the dent portion; a first insulating layer covering the substrate, the electrode pattern, and the planarization layer; and a light-emitting element disposed on the first insulating layer, where the planarization layer includes an organic-inorganic composite material.Type: ApplicationFiled: April 6, 2023Publication date: February 15, 2024Inventors: Hyun Eok SHIN, Joon Yong PARK, Joon Woo BAE, Do Keun SONG, Yung Bin CHUNG
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Publication number: 20240040898Abstract: A display device includes: a substrate including a first area, a second area and a third area; a first pixel electrode, a second pixel electrode and a third pixel electrode disposed in the first area, the second area and the third area, respectively, on the substrate; a sub-pixel electrode disposed on the third pixel electrode; a first emissive layer, a second emissive layer and a third emissive layer disposed on the first pixel electrode, the second pixel electrode and the sub-pixel electrode, respectively; and a common electrode disposed on entireties of the first emissive layer, the second emissive layer and the third emissive layer. The sub-pixel electrode includes an upper sub-electrode made of a transparent metal material and a lower sub-electrode having a distance-adjusting function.Type: ApplicationFiled: May 22, 2023Publication date: February 1, 2024Inventors: Ju Hyun LEE, Hyun Eok SHIN, Sung Joo KWON
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Publication number: 20240014353Abstract: A display device includes electrodes on a base layer; a first insulating layer on the electrodes; a light emitting element on the first insulating layer; and a connection electrode electrically connecting the light emitting element and at least a portion of the electrodes. Each of the electrodes includes a first layer and a second layer on the first layer. The first layer is electrically connected to the connection electrode through a contact portion formed in a region penetrating the first insulating layer and the second layer.Type: ApplicationFiled: February 14, 2023Publication date: January 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Joon Yong PARK, Sung Joo KWON, Hyun Eok SHIN, Dong Min LEE, Yung Bin CHUNG
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Publication number: 20230422566Abstract: Provided is a display device. The display device includes: a substrate; a gate line disposed on the substrate; a transistor including a part of the gate line; and a light-emitting element connected to the transistor, in which the gate line includes a first layer including aluminum or an aluminum alloy, a second layer including titanium nitride, and a third layer including metallic titanium nitride. An N/Ti molar ratio of the metallic titanium nitride may be in a range from about 0.2 to about 0.75.Type: ApplicationFiled: September 7, 2023Publication date: December 28, 2023Inventors: DONG MIN LEE, SANG WOO SOHN, DO KEUN SONG, SANG WON SHIN, HYUN EOK SHIN, SU KYOUNG YANG, KYEONG SU KO, SANG GAB KIM, JOON GEOL LEE
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Patent number: 11837468Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.Type: GrantFiled: September 8, 2021Date of Patent: December 5, 2023Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Mann Ho Cho, Kwang Sik Jeong, Hyeon Sik Kim, Hyun Eok Shin, Byung Soo So, Ju Hyun Lee
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Publication number: 20230367364Abstract: A light control film includes a first light absorbing layer, a first organic layer disposed on the first light absorbing layer, and a second light absorbing layer disposed on the first organic layer. At least one of the first light absorbing layer and the second light absorbing layer includes a first layer including a metal oxide, a second layer disposed on the first layer and including a metal, and a third layer disposed on the second layer and including a metal oxide.Type: ApplicationFiled: April 10, 2023Publication date: November 16, 2023Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Ju Hyun LEE, Joon Yong PARK
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Patent number: 11793044Abstract: Provided is a display device. The display device includes: a substrate; a gate line disposed on the substrate; a transistor including a part of the gate line; and a light-emitting element connected to the transistor, in which the gate line includes a first layer including aluminum or an aluminum alloy, a second layer including titanium nitride, and a third layer including metallic titanium nitride. An N/Ti molar ratio of the metallic titanium nitride may be in a range from about 0.2 to about 0.75.Type: GrantFiled: December 5, 2019Date of Patent: October 17, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Min Lee, Sang Woo Sohn, Do Keun Song, Sang Won Shin, Hyun Eok Shin, Su Kyoung Yang, Kyeong Su Ko, Sang Gab Kim, Joon Geol Lee
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Publication number: 20230320182Abstract: A display device includes a substrate including a pixel area and a dummy area, wherein the pixel area includes a transistor disposed on the substrate, a first electrode electrically connected to the transistor, a second electrode overlapping the first electrode, and a functional layer and an emission layer disposed between the first electrode and the second electrode, and the dummy area includes a first dummy electrode disposed on the substrate, and a dummy insulating layer covering the side of at least part of the first dummy electrode.Type: ApplicationFiled: March 16, 2023Publication date: October 5, 2023Inventors: Joon Yong PARK, Sung Joo KWON, Hyun Eok SHIN, Dong Min LEE
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Publication number: 20230317902Abstract: A wiring substrate and a display device including the same are provided. The display device includes a first substrate including a display area and a pad area disposed on one side of the display area, and a plurality of conductive layers including a plurality of wires and conductive patterns disposed in the display area and the pad area on the first substrate, wherein at least one of the conductive layers includes a copper-indium alloy and comprises a metal layer having a grain size equal to or less than about 140 nm.Type: ApplicationFiled: December 27, 2022Publication date: October 5, 2023Applicant: Samsung Display Co., LTD.Inventors: Dong Min LEE, Hyun Ah SUNG, Young Rok KIM, Joon Yong PARK, Hyun Eok SHIN
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Publication number: 20230307487Abstract: A display device includes a display area and a pad area on a side of the display area, a plurality of conductive layers on a first substrate in the display area and the pad area and comprising a wiring and a conductive pattern, a via layer on the plurality of conductive layers, a plurality of electrodes on the via layer in the display area and spaced apart from each other, and a light emitting element on at least one of the plurality of electrodes. At least one of the conductive layers includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The second metal layer includes copper (Cu), the third metal layer includes a copper alloy, and a grain size of the third metal layer is smaller than a grain size of the second metal layer.Type: ApplicationFiled: December 21, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventors: Dong Min LEE, Hyun Ah SUNG, Tae Wook KANG, Young Rok KIM, Kyu Soon PARK, Joon Yong PARK, Hyun Eok SHIN, Jong Hyun CHOUNG
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Patent number: 11730033Abstract: A display device includes: a substrate; a data line on the substrate; a first insulating layer on the data line; a first transistor on the first insulating layer; a second insulating layer on the first transistor; a pixel electrode on the second insulating layer, the pixel electrode being electrically connected to the first transistor; and an auxiliary data pattern on the second insulating layer as a same layer as the pixel electrode, the auxiliary data pattern being electrically connected to the data line.Type: GrantFiled: May 26, 2021Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Gyung Min Baek, Hyun Eok Shin, Ju Hyun Lee, Hong Sick Park
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Publication number: 20230253530Abstract: There are provided a display device and a method of manufacturing the display device. The display device includes: electrodes spaced apart from each other; light emitting elements disposed between the electrodes; and connection electrodes disposed on the light emitting elements. Each of the connection electrodes includes a first conductive layer and a second conductive layer disposed on the first conductive layer, and a work function of the first conductive layer is lower than a work function of the second conductive layer.Type: ApplicationFiled: November 16, 2022Publication date: August 10, 2023Applicant: Samsung Display Co., LTD.Inventors: Joon Yong PARK, Sung Joo KWON, Hyun Eok SHIN, Hyun Ah SUNG, Dong Min LEE, Ju Hyun LEE
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Patent number: 11626469Abstract: A display device and a method of fabricating a display device are provided. A display device includes a substrate. The wiring layer includes a conductive metal layer and a metal compound layer of the conductive metal layer, The metal compound layer surrounds the conductive metal layer.Type: GrantFiled: February 18, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Gyung Min Baek, Hyun Eok Shin, Ju Hyun Lee
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Patent number: 11626575Abstract: A display device according to an embodiment may include a base layer including a first surface and a second surface, a pixel circuit layer including a first line on the first surface, a display element layer on the pixel circuit layer and including a display element, a thin film encapsulation layer on the display element layer, a first protective layer on the thin film encapsulation layer, and a second line on the second surface to correspond to the first line. The first protective layer may include a transparent insulating material.Type: GrantFiled: February 10, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Gyung Min Baek, Hyun Ah Sung, Hyun Eok Shin
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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: 20230048617Abstract: A display device is provided. The display device comprises a substrate, at least one thin-film transistor disposed on the substrate, a planarization layer disposed on the thin-film transistor, a first metal layer disposed on the planarization layer and connected to the thin-film transistor, a first electrode disposed on the first metal layer, partitioning walls disposed on the planarization layer and spaced apart from the first electrode, wherein each of the partitioning walls includes a second metal layer and a first conductive layer, a pixel defining layer disposed on the first electrode and the partitioning walls, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein the second metal layer is disposed under the first conductive layer and has an undercut beneath the first conductive layer, wherein at least portion of the organic layer is discontinuous between the partitioning walls.Type: ApplicationFiled: April 7, 2022Publication date: February 16, 2023Inventors: Jun Gi KIM, Jeong Won KIM, Tae Wook KANG, Jong Hee PARK, Hyun Eok SHIN
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Patent number: 11569322Abstract: A display device includes: a substrate including a display area and a transmission area; a blocking layer disposed in the display area of the substrate and including a first blocking layer and a second blocking layer that is disposed on the first blocking layer; an insulating layer disposed on the blocking layer; a transistor disposed on the insulating layer; and a light emitting element connected to the transistor, wherein a first reflectivity of the first blocking layer is smaller than a second reflectivity of the second blocking layer, and a first absorption coefficient of the first blocking layer is smaller than a second absorption coefficient of the second blocking layer.Type: GrantFiled: March 23, 2021Date of Patent: January 31, 2023Inventors: Jin Seock Ma, Gyung Min Baek, Hyun Eok Shin, Ju Hyun Lee, Moo Soon Ko, Jin Goo Jung, Kyung Hyun Choi