Patents by Inventor Myoung-Hwa KIM
Myoung-Hwa KIM 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: 20240121983Abstract: A thin film transistor includes a substrate; an active layer including a channel area, a first conductive area, and a second conductive area; a gate insulating layer on a portion of the active layer; a first through hole penetrating through a portion of the first conductive area; a second through hole penetrating through a portion of the second conductive area; a gate electrode overlapping the channel area of the active layer; a first electrode electrically connected to the first conductive area; and a second electrode electrically connected to the second conductive area. One side of the first electrode adjacent to the first through hole is parallel to the one side of the first through hole, the first electrode including protrusion parts at both ends thereof and a groove part concavely recessed from the gate electrode.Type: ApplicationFiled: September 14, 2023Publication date: April 11, 2024Inventors: So Young KOO, Myoung Hwa KIM, Eok Su KIM, Hyung Jun Kim
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Publication number: 20240101369Abstract: An apparatus for supplying food ingredients according to the present disclosure includes a food ingredient lifting part configured to separate and move upward a food ingredient stack from a food ingredient cassette on which food ingredients including a plurality of stacked food ingredients are seated, a food ingredient separation part configured to suck and move upward a single sheet of a food ingredient from the food ingredient stack moved upward by the food ingredient lifting part, and a horizontal movement part configured to transfer forward the single sheet of the food ingredient moved upward by the food ingredient separation part.Type: ApplicationFiled: December 28, 2021Publication date: March 28, 2024Applicant: CJ CHEILJEDANG CORPORATIONInventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
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Publication number: 20240099354Abstract: A system for manufacturing edible food products according to the present disclosure includes a first food ingredient supply apparatus configured to separate a single sheet of a first food ingredient from a first food ingredient stack including a plurality of stacked first food ingredients and supply the single sheet of first food ingredient, a second food ingredient supply apparatus configured to separate a single sheet of a second food ingredient from a second food ingredient stack including a plurality of stacked second food ingredients and supply the single sheet of second food ingredient, and a pressing device configured to form an edible food product by pressing a semi-finished product formed by seating the supplied single sheet of the first food ingredient on the supplied single sheet of the second food ingredient.Type: ApplicationFiled: December 28, 2021Publication date: March 28, 2024Applicant: CJ CHEILJEDANG CORPORATIONInventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
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Publication number: 20240083059Abstract: A cutting apparatus according to the present disclosure includes a cutting roller including a cutting body having a cylindrical shape and configured to rotate about an axis defined in a leftward/rightward direction, and cutting blades protruding outward in a radial direction of the cutting body further than a surface of the cutting body to cut an edible food product provided in a forward/rearward direction, and a cutting base part disposed at a position facing the cutting roller based on the edible food product to support the edible food product to be cut by the cutting roller.Type: ApplicationFiled: December 28, 2021Publication date: March 14, 2024Applicants: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATION, GREEN TECHNOLOGY CO., LTD.Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
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Patent number: 11798493Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.Type: GrantFiled: August 3, 2021Date of Patent: October 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Myoung Hwa Kim, Masataka Kano, Yeon Keon Moon, Joon Seok Park, Jun Hyung Lim, Hye Lim Choi
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Publication number: 20230299089Abstract: A display device includes: a substrate; a first active layer of a first transistor and a second active layer of a second transistor on the substrate; a first gate insulating layer on the first active layer; a first gate electrode on the first gate insulating layer; a second gate insulating layer on the second active layer; and a second gate electrode on the second gate insulating layer, wherein a hydrogen concentration of the first gate insulating layer is lower than a hydrogen concentration of the second gate insulating layer.Type: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Inventors: Yeon Keon MOON, Tae Sang KIM, Joon Seok PARK, Myoung Hwa KIM, Hyung Jun KIM, Sang Woo SOHN, Hye Lim CHOI
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Publication number: 20230255077Abstract: A display device includes a substrate and a pixel disposed on the substrate. The pixel includes a first transistor, a second transistor electrically connected to the first transistor, a third transistor electrically connected to the first transistor, and a light-emitting diode element electrically connected to at least one of the first transistor and the third transistor. The first transistor includes a first semiconductor member and a first gate electrode. The first semiconductor member includes an oxide semiconductor material. The first gate electrode is disposed between the first semiconductor member and the substrate. The second transistor includes a second semiconductor member and a second gate electrode. The second semiconductor member includes the oxide semiconductor material. The second semiconductor member is disposed between the second gate electrode and the substrate. The third transistor includes a third semiconductor member including silicon.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Inventors: Kyoung Seok SON, Myoung Hwa KIM, Jay Bum KIM, Seung Jun LEE, Seung Hun LEE, Jun Hyung LIM
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Patent number: 11664386Abstract: A display device includes: a substrate; a first active layer of a first transistor and a second active layer of a second transistor on the substrate; a first gate insulating layer on the first active layer; a first gate electrode on the first gate insulating layer; a second gate insulating layer on the second active layer; and a second gate electrode on the second gate insulating layer, wherein a hydrogen concentration of the first gate insulating layer is lower than a hydrogen concentration of the second gate insulating layer.Type: GrantFiled: June 19, 2020Date of Patent: May 30, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yeon Keon Moon, Tae Sang Kim, Joon Seok Park, Myoung Hwa Kim, Hyung Jun Kim, Sang Woo Sohn, Hye Lim Choi
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Patent number: 11653541Abstract: A display device includes a substrate and a pixel disposed on the substrate. The pixel includes a first transistor, a second transistor electrically connected to the first transistor, a third transistor electrically connected to the first transistor, and a light-emitting diode element electrically connected to at least one of the first transistor and the third transistor. The first transistor includes a first semiconductor member and a first gate electrode. The first semiconductor member includes an oxide semiconductor material. The first gate electrode is disposed between the first semiconductor member and the substrate. The second transistor includes a second semiconductor member and a second gate electrode. The second semiconductor member includes the oxide semiconductor material. The second semiconductor member is disposed between the second gate electrode and the substrate. The third transistor includes a third semiconductor member including silicon.Type: GrantFiled: June 10, 2021Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Kyoung Seok Son, Myoung Hwa Kim, Jay Bum Kim, Seung Jun Lee, Seung Hun Lee, Jun Hyung Lim
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Patent number: 11581517Abstract: A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light-emitting element, a driving transistor to control a driving current supplied to the light-emitting element according to a data voltage applied from the data lines, and a switching transistor to apply the data voltage of the data line to the driving transistor according to a scan signal applied from the scan lines. The driving transistor includes a first active layer having an oxide semiconductor and a first gate electrode below the first active layer. The switching transistor includes a second active layer having a same oxide semiconductor as the oxide semiconductor of the first active layer and a second gate electrode below the second active layer. At least one of the driving transistor and the switching transistor includes an oxide layer above each of the active layers.Type: GrantFiled: April 1, 2020Date of Patent: February 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joon Seok Park, Yeon Keon Moon, Myoung Hwa Kim, Tae Sang Kim, Hyung Jun Kim, Geun Chul Park, Sang Woo Sohn, Jun Hyung Lim, Kyung Jin Jeon, Hye Lim Choi
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Patent number: 11521552Abstract: A display device, includes: a pixel connected to a scan line and a data line crossing the scan line, wherein the pixel includes a light emitting element, a driving transistor configured to control a driving current supplied to the light emitting element according to a data voltage received from the data line, and a first switching transistor configured to apply the data voltage of the data line to the driving transistor according to a scan signal applied to the scan line; wherein the driving transistor includes a first active layer including an oxide semiconductor and a first oxide layer on the first active layer and including an oxide semiconductor; and wherein the first switching transistor includes a second active layer on the first active layer and including the same oxide semiconductor as the first oxide layer.Type: GrantFiled: April 10, 2020Date of Patent: December 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Joon Seok Park, So Young Koo, Myoung Hwa Kim, Eok Su Kim, Tae Sang Kim, Hyung Jun Kim, Yeon Keon Moon, Geun Chul Park, Jun Hyung Lim, Kyung Jin Jeon, Hye Lim Choi
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Patent number: 11469283Abstract: A display device is provided. The display device includes a substrate, a first active layer of a first transistor and a second active layer of a second transistor which are disposed on the substrate, a first gate insulating layer disposed on the first active layer, an oxide layer disposed on the first gate insulating layer and including an oxide semiconductor, a first gate electrode disposed on the oxide layer, a second gate insulating layer disposed on the first gate electrode and the second active layer, and a second gate electrode which overlaps the second active layer in a thickness direction of the substrate and is disposed on the second gate insulating layer, where the oxide layer overlaps the first active layer and does not overlap the second active layer in the thickness direction.Type: GrantFiled: November 19, 2020Date of Patent: October 11, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myoung Hwa Kim, Joon Seok Park, Tae Sang Kim, Yeon Keon Moon, Geun Chul Park, Sang Woo Sohn, Jun Hyung Lim, Hye Lim Choi
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Publication number: 20220238075Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.Type: ApplicationFiled: August 3, 2021Publication date: July 28, 2022Inventors: Myoung Hwa KIM, Masataka Kano, Yeon Keon Moon, Joon Seok Park, Jun Hyung Lim, Hye Lim Choi
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Patent number: 11335273Abstract: A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light emitting element and a first transistor configured to control a driving current supplied to the light emitting element according to a data voltage applied from a respective data line of the data lines, the first transistor includes a first active layer including an oxide semiconductor containing indium (In), and a content of the indium in the oxide semiconductor of the first active layer is 70 at % or more.Type: GrantFiled: April 15, 2020Date of Patent: May 17, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hye Lim Choi, Yeon Keon Moon, Joon Seok Park, Myoung Hwa Kim, Tae Sang Kim, Hyung Jun Kim, Geun Chui Park, Kyung Jin Jeon
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Patent number: 11271015Abstract: A display device includes a substrate, a buffer layer disposed on the substrate, a first semiconductor layer disposed on the buffer layer and including an oxide semiconductor and a first active layer, a first gate insulating layer disposed on the first semiconductor layer and the buffer layer, a second semiconductor layer disposed on the first gate insulating layer and including an oxide semiconductor, a second active layer, and a first oxide layer on the first active layer, a second gate insulating layer disposed on the second semiconductor layer, a first conductive layer disposed on the second gate insulating layer, an insulating layer disposed on the first conductive layer, a second conductive layer disposed on the insulating layer, a passivation layer disposed on the second conductive layer, and a third conductive layer disposed on the first passivation layer.Type: GrantFiled: May 18, 2020Date of Patent: March 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joon Seok Park, Myoung Hwa Kim, Tae Sang Kim, Hyung Jun Kim, Yeon Keon Moon, Geun Chul Park, Sang Woo Sohn, Jun Hyung Lim, Kyung Jin Jeon, Hye Lim Choi
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Patent number: 11251247Abstract: A display device and a method for fabricating the same are provided. The display device comprises pixels connected to scan lines, and to data lines crossing the scan lines, each of the pixels including a light emitting element, and a first transistor configured to control a driving current supplied to the light emitting element according to a data voltage applied from the data line, the first transistor including a first active layer having an oxide semiconductor, and a first oxide layer on the first active layer and having a crystalline oxide containing tin (Sn).Type: GrantFiled: April 8, 2020Date of Patent: February 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyung Jun Kim, Myoung Hwa Kim, Tae Sang Kim, Yeon Keon Moon, Joon Seok Park, Sang Woo Sohn, Sang Won Shin, Jun Hyung Lim, Hye Lim Choi
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Patent number: 11227875Abstract: A display device includes a pixel connected to a scan line, and a data line crossing the scan line, wherein the pixel includes a light-emitting element, a driving transistor configured to control a driving current supplied to the light-emitting element according to a data voltage applied from the data line, and a first switching transistor configured to apply the data voltage of the data line to the driving transistor according to a scan signal that is applied to the scan line. The driving transistor includes a first active layer including an oxide semiconductor, and a first oxide layer disposed on the first active layer and including an oxide semiconductor. The first switching transistor includes a second active layer including an oxide semiconductor, and the first oxide layer is not disposed on the second active layer.Type: GrantFiled: March 31, 2020Date of Patent: January 18, 2022Assignee: Samsung Display Co., Ltd.Inventors: Myoung Hwa Kim, Joon Seok Park, So Young Koo, Tae Sang Kim, Yeon Keon Moon, Geun Chul Park, Jun Hyung Lim, Kyung Jin Jeon
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Publication number: 20210328102Abstract: A display device may include a first gate electrode on a substrate, a buffer layer on the first gate electrode, a first active pattern on the buffer layer, overlapping the first gate electrode, and including an oxide semiconductor, a source pattern and a drain pattern respectively on ends of the first active pattern, an insulation layer overlapping the source pattern and the drain pattern on the buffer layer, an oxygen supply pattern on the insulation layer, overlapping the first active pattern, and supplying oxygen to the first active pattern, a second active pattern on the insulation layer and spaced apart from the oxygen supply pattern, the second active pattern including a channel region, and a source region and a drain region, an insulation pattern on the channel region of the second active pattern, and a second gate electrode on the insulation pattern.Type: ApplicationFiled: February 9, 2021Publication date: October 21, 2021Applicant: Samsung Display Co., LTD.Inventors: Joon Seok PARK, Myoung Hwa KIM, Tae Sang KIM, Yeon Keon MOON, Geun Chul PARK, Jun Hyung LIM, Hye Lim CHOI
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Publication number: 20210327983Abstract: A display device is provided. The display device includes a substrate, a first active layer of a first transistor and a second active layer of a second transistor which are disposed on the substrate, a first gate insulating layer disposed on the first active layer, an oxide layer disposed on the first gate insulating layer and including an oxide semiconductor, a first gate electrode disposed on the oxide layer, a second gate insulating layer disposed on the first gate electrode and the second active layer, and a second gate electrode which overlaps the second active layer in a thickness direction of the substrate and is disposed on the second gate insulating layer, where the oxide layer overlaps the first active layer and does not overlap the second active layer in the thickness direction.Type: ApplicationFiled: November 19, 2020Publication date: October 21, 2021Inventors: Myoung Hwa KIM, Joon Seok PARK, Tae Sang KIM, Yeon Keon MOON, Geun Chul PARK, Sang Woo SOHN, Jun Hyung LIM, Hye Lim CHOI
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Patent number: 11152399Abstract: A display device in which a display area and a non-display area are defined, the display device including a wiring substrate, the wiring substrate including: a base substrate; a first thin film transistor disposed on the base substrate, located in the non-display area, and including a first gate pattern, a first semiconductor pattern disposed on the first gate pattern, a first source pattern disposed on the first semiconductor pattern, and a first drain pattern disposed on the first semiconductor pattern and spaced apart from the first source pattern; and a second thin film transistor disposed on the base substrate and located in the display area. A first channel width of the first thin film transistor is greater than a first overlap length of the first gate pattern, the first semiconductor pattern, and the first drain pattern.Type: GrantFiled: June 26, 2019Date of Patent: October 19, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yeon Keon Moon, Kano Masataka, Myoung Hwa Kim, Jun Hyung Lim