Patents by Inventor Dokeun SONG
Dokeun SONG 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: 20240136361Abstract: A display device includes: a substrate; an active layer on the substrate; and a gate electrode on the active layer. The gate electrode 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 first metal layer includes aluminum, the second metal layer includes transparent conductive oxide, and the third metal layer includes a niobium-titanium alloy.Type: ApplicationFiled: July 9, 2023Publication date: April 25, 2024Inventors: HYUNEOK SHIN, DOKEUN SONG, SUKYOUNG YANG, DONGMIN LEE
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Patent number: 11943982Abstract: A display device includes an active layer in a display area, a first gate insulation layer on the active layer, a first gate line on the first gate insulation layer in the display area, a first signal line in the same layer as the first gate line in a non-display area and including the same material as that of the first gate line including molybdenum, a second gate insulation layer on the first gate line and the first signal line, a second gate line on the second gate insulation layer in the display area, and a second signal line in the same layer as the second gate line in the non-display area and including the same material as that of the second gate line including aluminum or an aluminum alloy. A width of the first signal line is greater than a width of the second signal line.Type: GrantFiled: August 10, 2021Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyuneok Shin, Hyunwoo Kang, Hyunah Sung, Dokeun Song, Sukyoung Yang, Yunjong Yeo, Dongmin Lee, Donghyeok Lee, Shin Il Choi
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Publication number: 20240065065Abstract: A display device includes a base substrate, a buffer layer disposed on the base substrate, an active layer disposed on the buffer layer, a first gate insulation layer disposed on the active layer, a first conductive layer disposed on the first gate insulation layer and which is a single-layer including an aluminum alloy, a second gate insulation layer disposed on the first conductive layer, a second conductive layer disposed on the second gate insulation layer and which is a single-layer including an aluminum alloy, an insulation interlayer disposed on the second conductive layer, and a third conductive layer disposed on the insulation interlayer, directly contacting the first conductive layer through a first gate contact hole defined in the insulation interlayer and the second gate insulation layer, and directly contacting the second conductive layer through a second gate contact hole defined in the insulation interlayer.Type: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Inventors: DONGMIN LEE, TAEWOOK KANG, HYUNAH SUNG, SUKYOUNG YANG, DOKEUN SONG, HYUNEOK SHIN
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Patent number: 11871628Abstract: A conductive line for a display device may include a first layer including aluminum (Al) or an aluminum alloy, a second layer disposed on the first layer, the second layer including titanium nitride (TiNx), and a third layer disposed on the second layer, the third layer including titanium (Ti) and having a multilayer structure including a plurality of stacked sub-layers.Type: GrantFiled: February 2, 2022Date of Patent: January 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sukyoung Yang, Sangwoo Sohn, Dokeun Song, Dongmin Lee, Sangwon Shin, Hyuneok Shin, Kyeong Su Ko, Sang Gab Kim, Joongeol Lee
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Patent number: 11844256Abstract: A display device includes a base substrate, a buffer layer disposed on the base substrate, an active layer disposed on the buffer layer, a first gate insulation layer disposed on the active layer, a first conductive layer disposed on the first gate insulation layer and which is a single-layer including an aluminum alloy, a second gate insulation layer disposed on the first conductive layer, a second conductive layer disposed on the second gate insulation layer and which is a single-layer including an aluminum alloy, an insulation interlayer disposed on the second conductive layer, and a third conductive layer disposed on the insulation interlayer, directly contacting the first conductive layer through a first gate contact hole defined in the insulation interlayer and the second gate insulation layer, and directly contacting the second conductive layer through a second gate contact hole defined in the insulation interlayer.Type: GrantFiled: June 30, 2021Date of Patent: December 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongmin Lee, Taewook Kang, Hyunah Sung, Sukyoung Yang, Dokeun Song, Hyuneok Shin
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Patent number: 11825708Abstract: A display panel includes a substrate including a component area, a display area at least partially surrounding the component area, and a first non-display area at least partially surrounding the display area. A first wiring is in the display area and extends in a first direction to face the component area. A second wiring is in the display area and extends in the first direction to face the component area. The second wiring is spaced apart from the first wiring with the component area therebetween. A pixel circuit is connected to one of the first and second wirings and includes at least one thin-film transistor. A display element is connected to the pixel circuit. A cross-sectional area of the first wiring crossing in a second direction that is perpendicular to the first direction is different from a cross-sectional area of the second wiring crossing in the second direction.Type: GrantFiled: February 24, 2021Date of Patent: November 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dokeun Song, Hyunah Sung, Sukyoung Yang, Dongmin Lee, Hyuneok Shin
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Publication number: 20230047134Abstract: A display device includes: a first inorganic insulating layer; a wiring disposed on the first inorganic insulating layer; a second inorganic insulating layer covering the wiring; and a display element disposed on the second inorganic insulating layer, wherein the wiring includes a lower layer including at least one of aluminum and an aluminum alloy, an upper layer disposed on the lower layer and including at least one of titanium and titanium oxide, and an intermediate layer disposed between the lower layer and the upper layer and including titanium aluminide.Type: ApplicationFiled: March 31, 2022Publication date: February 16, 2023Inventors: Dongmin Lee, Taewook Kang, Hyunah Sung, Dokeun Song, Hyuneok Shin, Yunjong Yeo, Daewon Choi, Shinil Choi
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Patent number: 11581396Abstract: A display panel includes a base layer, a signal line which is disposed on the base layer and includes a first layer including aluminum and a second layer disposed directly on the first layer and consisting of niobium, a first thin film transistor connected to the signal line, a second thin film transistor disposed on the base layer, a capacitor electrically connected to the second thin film transistor, and a light emitting element electrically connected to the second thin film transistor.Type: GrantFiled: December 20, 2018Date of Patent: February 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sangwoo Sohn, Dokeun Song, Sukyoung Yang, Dongmin Lee, Sangwon Shin, Kyeongsu Ko, Sanggab Kim, Hongsick Park, Hyuneok Shin, Joongeol Lee
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Patent number: 11538881Abstract: A display apparatus includes a thin film transistor on the substrate, the thin film transistor including a first semiconductor layer and a first gate electrode overlapping the first semiconductor layer wherein a first gate insulating layer is disposed between the first semiconductor layer and the first gate electrode, and a storage capacitor including a lower electrode including a first lower layer and a first upper layer stacked each other and an upper electrode including a second lower layer and a second upper layer stacked each other, wherein the upper electrode overlaps the lower electrode, and a second gate insulating layer is disposed between the upper electrode and the lower electrode, a display element electrically connected to the thin film transistor, wherein the second upper layer has a thickness greater than a thickness of the first upper layer.Type: GrantFiled: September 23, 2020Date of Patent: December 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongmin Lee, Sukyoung Yang, Dokeun Song, Hyuneok Shin
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Publication number: 20220392928Abstract: A display panel includes: a base layer; a signal line disposed on the base layer, the signal line including: a first layer including aluminum; and a second layer directly disposed on the first layer, the second layer including a niobium-titanium alloy; a first thin film transistor connected to the signal line; a second thin film transistor disposed on the base layer; a capacitor electrically connected to the second thin film transistor; and a light emitting element electrically connected to the second thin film transistor.Type: ApplicationFiled: June 17, 2022Publication date: December 8, 2022Inventors: Hyuneok SHIN, Kyeongsu Ko, Sanggab Kim, Hongsick Park, Sangwoo Sohn, Dokeun Song, Sangwon Shin, Sukyoung Yang, Dongmin Lee
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Patent number: 11367742Abstract: A display panel includes: a base layer; a signal line disposed on the base layer, the signal line including: a first layer including aluminum; and a second layer directly disposed on the first layer, the second layer including a niobium-titanium alloy; a first thin film transistor connected to the signal line; a second thin film transistor disposed on the base layer; a capacitor electrically connected to the second thin film transistor; and a light emitting element electrically connected to the second thin film transistor.Type: GrantFiled: August 19, 2019Date of Patent: June 21, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyuneok Shin, Kyeongsu Ko, Sanggab Kim, Hongsick Park, Sangwoo Sohn, Dokeun Song, Sangwon Shin, Sukyoung Yang, Dongmin Lee
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Publication number: 20220157925Abstract: A display device includes an active layer in a display area, a first gate insulation layer on the active layer, a first gate line on the first gate insulation layer in the display area, a first signal line in the same layer as the first gate line in a non-display area and including the same material as that of the first gate line including molybdenum, a second gate insulation layer on the first gate line and the first signal line, a second gate line on the second gate insulation layer in the display area, and a second signal line in the same layer as the second gate line in the non-display area and including the same material as that of the second gate line including aluminum or an aluminum alloy. A width of the first signal line is greater than a width of the second signal line.Type: ApplicationFiled: August 10, 2021Publication date: May 19, 2022Inventors: HYUNEOK SHIN, HYUNWOO KANG, HYUNAH SUNG, DOKEUN SONG, SUKYOUNG YANG, YUNJONG YEO, DONGMIN LEE, DONGHYEOK LEE, SHIN IL CHOI
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Publication number: 20220157920Abstract: A conductive line for a display device may include a first layer including aluminum (Al) or an aluminum alloy, a second layer disposed on the first layer, the second layer including titanium nitride (TiNx), and a third layer disposed on the second layer, the third layer including titanium (Ti) and having a multilayer structure including a plurality of stacked sub-layers.Type: ApplicationFiled: February 2, 2022Publication date: May 19, 2022Inventors: Sukyoung YANG, Sangwoo SOHN, Dokeun SONG, Dongmin LEE, Sangwon SHIN, Hyuneok SHIN, Kyeong Su KO, Sang Gab KIM, Joongeol LEE
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Publication number: 20220149143Abstract: A display device includes a base substrate, a buffer layer disposed on the base substrate, an active layer disposed on the buffer layer, a first gate insulation layer disposed on the active layer, a first conductive layer disposed on the first gate insulation layer and which is a single-layer including an aluminum alloy, a second gate insulation layer disposed on the first conductive layer, a second conductive layer disposed on the second gate insulation layer and which is a single-layer including an aluminum alloy, an insulation interlayer disposed on the second conductive layer, and a third conductive layer disposed on the insulation interlayer, directly contacting the first conductive layer through a first gate contact hole defined in the insulation interlayer and the second gate insulation layer, and directly contacting the second conductive layer through a second gate contact hole defined in the insulation interlayer.Type: ApplicationFiled: June 30, 2021Publication date: May 12, 2022Inventors: DONGMIN LEE, TAEWOOK KANG, HYUNAH SUNG, SUKYOUNG YANG, DOKEUN SONG, HYUNEOK SHIN
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Publication number: 20220077420Abstract: A reflective electrode having high heat resistance, which may include a reflective layer including aluminum (Al), iron (Fe), and vanadium (V), is disclosed. A content of the iron in the reflective layer may be 0.5 atomic % or less, based on the total number of atoms of the reflective layer.Type: ApplicationFiled: August 19, 2021Publication date: March 10, 2022Inventors: Gyungmin Baek, Hyunah Sung, Sukyoung Yang, Dokeun Song, Hyuneok Shin
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Patent number: 11271067Abstract: A conductive line for a display device may include a first layer including aluminum (Al) or an aluminum alloy, a second layer disposed on the first layer, the second layer including titanium nitride (TiNx), and a third layer disposed on the second layer, the third layer including titanium (Ti) and having a multilayer structure including a plurality of stacked sub-layers.Type: GrantFiled: December 19, 2019Date of Patent: March 8, 2022Inventors: Sukyoung Yang, Sangwoo Sohn, Dokeun Song, Dongmin Lee, Sangwon Shin, Hyuneok Shin, Kyeong Su Ko, Sang Gab Kim, Joongeol Lee
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Publication number: 20220059636Abstract: A display panel includes a substrate including a component area, a display area at least partially surrounding the component area, and a first non-display area at least partially surrounding the display area. A first wiring is in the display area and extends in a first direction to face the component area. A second wiring is in the display area and extends in the first direction to face the component area. The second wiring is spaced apart from the first wiring with the component area therebetween. A pixel circuit is connected to one of the first and second wirings and includes at least one thin-film transistor. A display element is connected to the pixel circuit. A cross-sectional area of the first wiring crossing in a second direction that is perpendicular to the first direction is different from a cross-sectional area of the second wiring crossing in the second direction.Type: ApplicationFiled: February 24, 2021Publication date: February 24, 2022Inventors: Dokeun SONG, Hyunah SUNG, Sukyoung YANG, Dongmin LEE, Hyuneok SHIN
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Publication number: 20220037435Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha
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Patent number: 11183554Abstract: A display device includes a first signal line including a first layer disposed on a substrate and containing aluminum (Al), a second layer disposed on the first layer and containing titanium nitride (TiNx), and a third layer disposed on the second layer and containing titanium (Ti), a second signal line crossing the first signal line, a first transistor including a first gate electrode connected to the first signal line and a first source electrode connected to the second signal line, and an organic light emitting diode disposed in a display area of the substrate to generate light corresponding to a data signal applied to the second signal line.Type: GrantFiled: December 10, 2019Date of Patent: November 23, 2021Inventors: Dongmin Lee, Sangwoo Sohn, Sukyoung Yang, Dokeun Song, Kyeong Su Ko, Sanggab Kim, Sangwon Shin, Hyuneok Shin, Yunjong Yeo, Joongeol Lee
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Patent number: 11158693Abstract: A display apparatus includes a base substrate, an active pattern disposed on the base substrate, a gate insulation layer disposed on the active pattern, a gate electrode disposed on the gate insulation layer and overlapping the active pattern, a first insulation layer disposed on the gate electrode and having a total amount of hydrogen of about 5 atomic percent (at. %) to about 30 at. %, and a source electrode and a drain electrode which are disposed on the first insulation layer and are electrically connected to the active pattern.Type: GrantFiled: September 19, 2019Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yung Bin Chung, Yeoungkeol Woo, Kwanghyun Kim, Sangwoo Sohn, Dokeun Song, Sangwook Lee, Heon Sik Ha