Patents by Inventor Yeon-Keon MOON
Yeon-Keon MOON 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: 11968876Abstract: A display device includes a base substrate including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, first to third thin film transistors on the base substrate and including first to third active patterns, respectively, first to third pixel electrodes electrically connected to the first to third thin film transistors, respectively and in the first to third sub-pixel areas, respectively, a blue light emitting layer on the first to third pixel electrodes and configured to emit a blue light, a first color conversion pattern in the first sub-pixel area on the blue light emitting layer, a second color conversion pattern in the second sub-pixel area on the blue light emitting layer, and a red color filter layer between the blue light emitting layer and the first to third active patterns.Type: GrantFiled: February 1, 2019Date of Patent: April 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kyungjin Jeon, Joon-seok Park, Kwang-suk Kim, Taesang Kim, Yeon-keon Moon, Geunchul Park, Jun-hyung Lim
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Publication number: 20240102942Abstract: Provided is a defect analysis device which may include a light source that irradiates an analysis target layer of an element with light, a position adjuster that adjusts a position in the analysis target in the analysis target to be irradiated with the light, a detector that measures a current value of current flowing between a source area of the element electrically connected to one end of the analysis target layer and a drain area of the element electrically connected to the other end of the analysis target layer in the element, and an analyzer that acquires quantitative data related to a defect in the analysis target layer on the basis of the current value in which, in a first mode, a plurality of areas of the analysis target layer are sequentially irradiated with the light.Type: ApplicationFiled: July 31, 2023Publication date: March 28, 2024Inventors: YEON KEON MOON, JUN HYUNG LIM, KWUN-BUM CHUNG, KWANG SIK JEONG, HYUN MIN HONG
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Patent number: 11887991Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: GrantFiled: May 16, 2022Date of Patent: January 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyoung Seok Son, Myounghwa Kim, Jaybum Kim, Yeon Keon Moon, Masataka Kano
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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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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: 20230189566Abstract: A display device includes insulating layers, a light-emitting element, and a pixel circuit electrically connected to the light-emitting element. The pixel circuit includes a first transistor. The first transistor includes a metal oxide semiconductor pattern including a source region, a drain region and a channel region disposed between the source region and the drain region, a first gate disposed on the metal oxide semiconductor pattern and overlapping the channel region in a plan view, and a metal oxide pattern disposed on the first gate.Type: ApplicationFiled: December 12, 2022Publication date: June 15, 2023Applicant: Samsung Display Co., Ltd.Inventors: SANGWOO SOHN, YEON KEON MOON, EUN HYUN KIM, SEUNGHO YANG, JUN HYUNG LIM, Hyunjun JEONG
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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: 11532687Abstract: A display panel includes a base layer, a first thin film transistor on the base layer, a second thin film transistor electrically coupled to the first thin film transistor, and a light emitting element electrically coupled to the second thin film transistor. The first thin film transistor includes a first semiconductor pattern on the base layer, a first barrier pattern on the first semiconductor pattern and including a gallium (Ga) oxide and a zinc (Zn) oxide, and a first control electrode on the first barrier pattern and overlapping the first semiconductor pattern. Accordingly, a signal transmission speed of the display panel may be improved, and electrical characteristics and reliability of the thin film transistor included in the display panel may be improved.Type: GrantFiled: May 21, 2020Date of Patent: December 20, 2022Assignee: Samsung Display Co., Ltd.Inventors: Sangwoo Sohn, Myounghwa Kim, TaeSang Kim, Hyungjun Kim, Yeon Keon Moon, Joon Seok Park, Sangwon Shin, Jun Hyung Lim, Hyelim 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: 20220278135Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: ApplicationFiled: May 16, 2022Publication date: September 1, 2022Applicant: Samsung Display Co., Ltd.Inventors: Kyoung Seok SON, Myounghwa KIM, Jaybum KIM, Yeon Keon MOON, Masataka KANO
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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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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: 11335707Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: GrantFiled: April 1, 2019Date of Patent: May 17, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyoung Seok Son, Myounghwa Kim, Jaybum Kim, Yeon Keon Moon, Masataka Kano
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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