Patents by Inventor Tae-Sang Kim
Tae-Sang 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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Patent number: 12204498Abstract: The present disclosure relates to a method for managing an object, an apparatus for the same, a computer program for the same, and a recording medium storing computer program thereof. A method for managing an object using a trace-identifier (T-ID) according to the present disclosure may comprise: updating T-ID information for the object at a timepoint at which the object is saved after the object is opened at an endpoint; writing the updated T-ID information as metadata of the object; and transmitting the metadata including the T-ID information to a server.Type: GrantFiled: June 17, 2019Date of Patent: January 21, 2025Assignee: FASOO CO., LTDInventors: Chel Park, Tae Sang Kim, Hyung Dong Yoon, Jin Seok Um
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Publication number: 20240413174Abstract: According to some embodiments of the present disclosure, a display device includes an active pattern including a metal oxide, a gate electrode overlapping the active pattern, a first capacitor electrode spaced apart from the active pattern and including a conductive oxide, and a second capacitor electrode on the first capacitor electrode.Type: ApplicationFiled: August 16, 2024Publication date: December 12, 2024Inventors: Kyung Jin JEON, Eok Su KIM, Joon Seok PARK, So Young KOO, Tae Sang KIM, Jun Hyung LIM
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Patent number: 12080826Abstract: 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: GrantFiled: February 9, 2021Date of Patent: September 3, 2024Assignee: 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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Patent number: 12068334Abstract: According to some embodiments of the present disclosure, a display device includes an active pattern including a metal oxide, a gate electrode overlapping the active pattern, a first capacitor electrode spaced apart from the active pattern and including a conductive oxide, and a second capacitor electrode on the first capacitor electrode.Type: GrantFiled: September 30, 2020Date of Patent: August 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kyung Jin Jeon, Eok Su Kim, Joon Seok Park, So Young Koo, Tae Sang Kim, Jun Hyung Lim
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Patent number: 11824061Abstract: A display device includes a plurality of pixels respectively coupled to scan lines and data lines intersecting the scan lines, wherein at least some of the pixels includes a driving transistor including a substrate, a first insulating layer disposed on the substrate, a first active layer disposed on the first insulating layer, a first gate electrode disposed on the first active layer, and a first source electrode and a first drain electrode electrically connected to the first active layer, the first drain electrode being spaced apart from the first source electrode by a first distance, and a switching transistor including a second gate electrode disposed between the substrate and the first insulating layer, a second active layer disposed on the same layer as the first active layer, and a second source electrode and a second drain electrode electrically connected to the second active layer, the second drain electrode being spaced apart from the second source electrode by a second distance different from the fiType: GrantFiled: February 5, 2020Date of Patent: November 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joon Seok Park, Tae Sang Kim, Yeon Keon Moon, Geun Chul Park, Jun Hyung Lim, Kyung Jin Jeon
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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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Patent number: 11690273Abstract: A photo transistor and a display device employing the photo transistor are provided. The photo transistor includes a gate electrode disposed on a substrate, a gate insulating layer that electrically insulates the gate electrode, a first active layer overlapping the gate electrode and including metal oxide, wherein the gate insulating layer is disposed between the gate electrode and the active layer, a second active layer disposed on the first active layer and including selenium, and a source electrode and a drain electrode respectively electrically connected to the second active layer.Type: GrantFiled: December 9, 2020Date of Patent: June 27, 2023Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Tae Sang Kim, Hyun Jae Kim, Hyuk Joon Yoo, 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: 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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Patent number: 11430859Abstract: A display device includes a first pixel, a second pixel, a first data line connected to the first pixel, and a second data line connected to the second pixel. Each of the first pixel and the second pixel includes a transistor including a conductive layer, a semiconductor layer on the conductive layer, a gate electrode on the semiconductor layer, and a source/drain electrode connected to the semiconductor layer, a capacitor including a first capacitor electrode in a same layer as the gate electrode and a second capacitor electrode on the first capacitor electrode, and a light emitting device on the transistor and the capacitor. The first data line is in a same layer as the source/drain electrode, and the second data line is in a same layer as one of the conductive layer and the second capacitor electrode.Type: GrantFiled: May 28, 2020Date of Patent: August 30, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joon Seok Park, Myounghwa Kim, Tae Sang Kim, Hyungjun Kim, Yeon Keon Moon, Geunchul Park, Sangwoo Sohn, Jun Hyung Lim, Kyung Jin Jeon, 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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Patent number: 11195861Abstract: A display device and a method of manufacturing the same. The display device includes a pixel connected to a scan line and a data line intersecting the scan line, and a driving transistor and a switching transistor disposed in the pixel. The driving transistor includes a substrate, a first active layer disposed on the substrate, a first gate electrode disposed on the first active layer, and a second insulating film contacting the first gate electrode and the first gate electrode. The switching transistor includes a second active layer disposed on the substrate, a second gate electrode disposed on the second active layer, a first insulating film contacting the second active layer and the second gate electrode, and a second insulating film covering the first insulating film. The first insulating film and the second insulating film are made of different materials from each other.Type: GrantFiled: March 13, 2020Date of Patent: December 7, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Geun Chul Park, Joon Seok Park, Tae Sang Kim, Yeon Keon Moon, Jun Hyung Lim, Kyung Jin Jeon
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Patent number: 11189677Abstract: An organic light emitting diode display device includes a substrate, a first oxide transistor, a second oxide transistor, and a sub-pixel structure. The substrate has a display region including a plurality of sub-pixel regions and a peripheral region located in a side of the display region. The first oxide transistor is disposed in the peripheral region on the substrate, and includes a first oxide semiconductor pattern that includes tin (Sn). The second oxide transistor is disposed in the sub-pixel regions each on the substrate, and includes a second oxide semiconductor pattern. The sub-pixel structure is disposed on the second oxide transistor.Type: GrantFiled: August 13, 2019Date of Patent: November 30, 2021Inventors: Joon Seok Park, Yeon Keon Moon, Kwang Suk Kim, Tae Sang Kim, Geunchul Park, Kyung Jin Jeon
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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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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