Patents by Inventor Joon Geol Lee
Joon Geol Lee 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: 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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Publication number: 20230387096Abstract: A light emitting diode device includes a thin film transistor substrate having a plurality of light emitting areas, a first diode electrode and a second diode electrode on the thin film transistor substrate, a first passivation pattern between the first diode electrode and the second diode electrode, a plurality of micro light emitting diodes on the first passivation pattern, a first bridge pattern on the micro light emitting diodes and electrically connecting the first diode electrode to the micro light emitting diodes, and a second bridge pattern on the first bridge pattern and electrically connecting the second diode electrode to the micro light emitting diodes, wherein each sidewall of each of the micro light emitting diodes and each sidewall of the first passivation pattern form a same plane.Type: ApplicationFiled: August 11, 2023Publication date: November 30, 2023Inventors: Su Bin BAE, Yu Gwang JEONG, Shin Il CHOI, Joon Geol LEE, Sang Gab KIM
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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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Patent number: 11380753Abstract: A display device includes a base substrate; an organic layer disposed on the base substrate; and a first conductive layer disposed on the organic layer, wherein the first conductive layer includes a plurality of stacked films, the plurality of stacked films include a first conductive film disposed directly on the organic layer and a second conductive film disposed on the first conductive film, and the first conductive film has an oxygen concentration higher than an oxygen concentration of the second conductive film.Type: GrantFiled: June 12, 2020Date of Patent: July 5, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Gab Kim, Tae Sung Kim, Joon Geol Lee, Hyun Min Cho, Dae Won Choi, Yun Jong Yeo
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Patent number: 11276580Abstract: A connecting structure of a conductive layer includes a first conductive layer, a first insulating layer disposed on the first conductive layer and including a first opening overlapping the first conductive layer, a connecting conductor disposed on the first insulating layer and connected to the first conductive layer through the first opening, an insulator island disposed on the connecting conductor, a second insulating layer disposed on the first insulating layer and including a second opening overlapping the connecting conductor and the insulator island, and a second conductive layer disposed on the second insulating layer and connected to a connecting electrode through the second opening. A sum of a thickness of the first insulating layer and a thickness of the second insulating layer is greater than or equal to 1 ?m, and each of the thicknesses of the first and second insulating layers is less than 1 ?m.Type: GrantFiled: March 8, 2019Date of Patent: March 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su Bin Bae, Yu-Gwang Jeong, Shin Il Choi, Sang Gab Kim, Joon Geol Lee
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Publication number: 20220005799Abstract: A light emitting diode device includes a thin film transistor substrate having a plurality of light emitting areas, a first diode electrode and a second diode electrode on the thin film transistor substrate, a first passivation pattern between the first diode electrode and the second diode electrode, a plurality of micro light emitting diodes on the first passivation pattern, a first bridge pattern on the micro light emitting diodes and electrically connecting the first diode electrode to the micro light emitting diodes, and a second bridge pattern on the first bridge pattern and electrically connecting the second diode electrode to the micro light emitting diodes, wherein each sidewall of each of the micro light emitting diodes and each sidewall of the first passivation pattern form a same plane.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Inventors: Su Bin BAE, Yu Gwang JEONG, Shin Il CHOI, Joon Geol LEE, Sang Gab KIM
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Patent number: 11189681Abstract: An OLED display according to an exemplary embodiment includes: a substrate; a gate insulation layer that is disposed on the substrate; and a gate wire that is disposed on the gate insulation layer, and includes a gate electrode, wherein the gate wire includes a single layer of aluminum or an aluminum alloy, and an angle formed by side surfaces of the gate wire and the gate insulation layer is less than 65°.Type: GrantFiled: May 13, 2019Date of Patent: November 30, 2021Inventors: Kyeong Su Ko, Joon Geol Lee, Shin Il Choi, Sang Gab Kim, Hyun Min Cho, Hyun Eok Shin
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Patent number: 11127724Abstract: A light emitting diode device includes a thin film transistor substrate having a plurality of light emitting areas, a first diode electrode and a second diode electrode on the thin film transistor substrate, a first passivation pattern between the first diode electrode and the second diode electrode, a plurality of micro light emitting diodes on the first passivation pattern, a first bridge pattern on the micro light emitting diodes and electrically connecting the first diode electrode to the micro light emitting diodes, and a second bridge pattern on the first bridge pattern and electrically connecting the second diode electrode to the micro light emitting diodes, wherein each sidewall of each of the micro light emitting diodes and each sidewall of the first passivation pattern form a same plane.Type: GrantFiled: November 21, 2019Date of Patent: September 21, 2021Assignee: Samsung Display Co., Ltd.Inventors: Su Bin Bae, Yu Gwang Jeong, Shin Il Choi, Joon Geol Lee, Sang Gab Kim
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Patent number: 11101336Abstract: A display device and a method for manufacturing a display device, the device including a semiconductor layer on a substrate; a gate insulation layer and an interlayer insulation layer that overlap the semiconductor layer; contact holes that penetrate the gate insulation layer and the interlayer insulation layer; a source electrode and a drain electrode that are electrically connected with the semiconductor layer through the contact holes; a light emitting diode that is connected with the drain electrode; and first spacers and second spacers between the source electrode and the interlayer insulation layer and between the drain electrode and the interlayer insulation layer in the contact holes.Type: GrantFiled: January 29, 2019Date of Patent: August 24, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yu-Gwang Jeong, Su Bin Bae, Joon Geol Lee, Sang Gab Kim, Shin Il Choi
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Patent number: 11063110Abstract: A conductive pattern for a display device includes a first layer including aluminum or an aluminum alloy disposed on a substrate and forming a first taper angle with the substrate, and a second layer disposed on the first layer forming a second taper angle with the first layer, in which the second taper angle is smaller than the first taper angle.Type: GrantFiled: October 19, 2018Date of Patent: July 13, 2021Assignee: Samsung Display Co., Ltd.Inventors: Joon Geol Lee, Kyeong Su Ko, Sang Won Shin, Dong Min Lee, Sang Gab Kim, Sang Woo Sohn, Hyun Eok Shin, Shin Il Choi
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Publication number: 20210013288Abstract: A display device includes a base substrate; an organic layer disposed on the base substrate; and a first conductive layer disposed on the organic layer, wherein the first conductive layer includes a plurality of stacked films, the plurality of stacked films include a first conductive film disposed directly on the organic layer and a second conductive film disposed on the first conductive film, and the first conductive film has an oxygen concentration higher than an oxygen concentration of the second conductive film.Type: ApplicationFiled: June 12, 2020Publication date: January 14, 2021Inventors: Sang Gab KIM, Tae Sung KIM, Joon Geol LEE, Hyun Min CHO, Dae Won CHOI, Yun Jong YEO
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Patent number: 10811478Abstract: An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.Type: GrantFiled: April 3, 2019Date of Patent: October 20, 2020Assignee: Samsung Display Co., Ltd.Inventors: Dae Won Choi, Tae Wook Kang, Kyeong Su Ko, Sang Gab Kim, Tae Sung Kim, Joon Geol Lee, Hyun Min Cho
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Patent number: 10748943Abstract: A display device includes: a substrate; first and second transistors provided on the substrate to be spaced apart from each other, the first and second transistors being electrically connected to each other; and a display unit electrically connected to the first transistor, wherein the first transistor includes a first semiconductor layer including crystalline silicon, a first gate electrode, a first source electrode, and a first drain electrode, wherein the second transistor includes a second semiconductor layer including an oxide semiconductor, a second gate electrode, a second source electrode, and a second drain electrode, wherein each of the second source electrode and the second drain electrode includes a first layer that includes molybdenum and is provided on the second semiconductor layer, a second layer that includes aluminum and is provided on the first layer, and a third layer that includes titanium and is provided on the second layer.Type: GrantFiled: September 7, 2018Date of Patent: August 18, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Min Cho, Shin Il Choi, Kyeong Su Ko, Sang Gab Kim, Joon Geol Lee
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Publication number: 20200235196Abstract: 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: December 5, 2019Publication date: July 23, 2020Inventors: 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: 20200091393Abstract: A light emitting diode device includes a thin film transistor substrate having a plurality of light emitting areas, a first diode electrode and a second diode electrode on the thin film transistor substrate, a first passivation pattern between the first diode electrode and the second diode electrode, a plurality of micro light emitting diodes on the first passivation pattern, a first bridge pattern on the micro light emitting diodes and electrically connecting the first diode electrode to the micro light emitting diodes, and a second bridge pattern on the first bridge pattern and electrically connecting the second diode electrode to the micro light emitting diodes, wherein each sidewall of each of the micro light emitting diodes and each sidewall of the first passivation pattern form a same plane.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Su Bin BAE, Yu Gwang JEONG, Shin Il CHOI, Joon Geol LEE, Sang Gab KIM
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Publication number: 20200075707Abstract: An OLED display according to an exemplary embodiment includes: a substrate; a gate insulation layer that is disposed on the substrate; and a gate wire that is disposed on the gate insulation layer, and includes a gate electrode, wherein the gate wire includes a single layer of aluminum or an aluminum alloy, and an angle formed by side surfaces of the gate wire and the gate insulation layer is less than 65°.Type: ApplicationFiled: May 13, 2019Publication date: March 5, 2020Inventors: Kyeong Su KO, Joon Geol LEE, Shin Il CHOI, Sang Gab KIM, Hyun Min CHO, Hyun Eok SHIN
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Publication number: 20200043998Abstract: An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.Type: ApplicationFiled: April 3, 2019Publication date: February 6, 2020Inventors: Dae Won Choi, Tae Wook Kang, Kyeong Su Ko, Sang Gab Kim, Tae Sung Kim, Joon Geol Lee, Hyun Min Cho
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Patent number: 10490537Abstract: A light emitting diode device includes a thin film transistor substrate having a plurality of light emitting areas, a first diode electrode and a second diode electrode on the thin film transistor substrate, a first passivation pattern between the first diode electrode and the second diode electrode, a plurality of micro light emitting diodes on the first passivation pattern, a first bridge pattern on the micro light emitting diodes and electrically connecting the first diode electrode to the micro light emitting diodes, and a second bridge pattern on the first bridge pattern and electrically connecting the second diode electrode to the micro light emitting diodes, wherein each sidewall of each of the micro light emitting diodes and each sidewall of the first passivation pattern form a same plane.Type: GrantFiled: July 5, 2018Date of Patent: November 26, 2019Assignee: Samsung Display Co., Ltd.Inventors: Su Bin Bae, Yu Gwang Jeong, Shin Il Choi, Joon Geol Lee, Sang Gab Kim
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Publication number: 20190348297Abstract: A connecting structure of a conductive layer includes a first conductive layer, a first insulating layer disposed on the first conductive layer and including a first opening overlapping the first conductive layer, a connecting conductor disposed on the first insulating layer and connected to the first conductive layer through the first opening, an insulator island disposed on the connecting conductor, a second insulating layer disposed on the first insulating layer and including a second opening overlapping the connecting conductor and the insulator island, and a second conductive layer disposed on the second insulating layer and connected to a connecting electrode through the second opening. A sum of a thickness of the first insulating layer and a thickness of the second insulating layer is greater than or equal to 1 ?m, and each of the thicknesses of the first and second insulating layers is less than 1 ?m.Type: ApplicationFiled: March 8, 2019Publication date: November 14, 2019Inventors: SU BIN BAE, YU-GWANG JEONG, SHIN IL CHOI, SANG GAB KIM, JOON GEOL LEE
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Publication number: 20190280067Abstract: A display device and a method for manufacturing a display device, the device including a semiconductor layer on a substrate; a gate insulation layer and an interlayer insulation layer that overlap the semiconductor layer; contact holes that penetrate the gate insulation layer and the interlayer insulation layer; a source electrode and a drain electrode that are electrically connected with the semiconductor layer through the contact holes; a light emitting diode that is connected with the drain electrode; and first spacers and second spacers between the source electrode and the interlayer insulation layer and between the drain electrode and the interlayer insulation layer in the contact holes.Type: ApplicationFiled: January 29, 2019Publication date: September 12, 2019Inventors: Yu-Gwang JEONG, Su Bin BAE, Joon Geol LEE, Sang Gab KIM, Shin Il CHOI