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公开(公告)号：US12106690B2
公开(公告)日：2024-10-01
申请号：US17974638
申请日：2022-10-27
发明人： Dongsun Lee , Wonkyu Kwak , Dong Eup Lee , Dongsoo Kim , Seungwoo Sung , Mincheol Lee
IPC分类号： G09G3/00 , G09G3/3233
CPC分类号： G09G3/006 , G09G3/3233 , G09G2330/12
摘要： A method includes applying first different voltages to pixels included in a reference pixel column and pixels included in a pad adjacent pixel column electrically connected to a second pad adjacent to a first pad connected to the reference pixel column, and applying second different voltages to the pixels included in the reference pixel column and to pixels included in a line adjacent pixel column electrically connected to a second data line adjacent to a first data line connected to the reference pixel column.
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公开(公告)号：US11950460B2
公开(公告)日：2024-04-02
申请号：US18161434
申请日：2023-01-30
发明人： Nayun Kwak , Chulkyu Kang , Daesuk Kim , Ilgoo Youn , Dongsun Lee , Soyoung Lee , Jieun Lee , Junyoung Jo , Minhee Choi
IPC分类号： G09G3/3233 , H01L27/12 , H10K59/124 , H10K59/126 , H10K59/131
CPC分类号： H10K59/126 , G09G3/3233 , H01L27/1237 , H10K59/124 , H10K59/131 , G09G2300/0426 , G09G2300/0819
摘要： A display device includes a pixel circuit disposed on a substrate, and a display element on the pixel circuit. The pixel circuit includes a first thin-film transistor comprising a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, a second thin-film transistor comprising a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer, the second semiconductor layer being connected to the first semiconductor layer and the first gate electrode, a first shielding layer overlapping the second semiconductor layer, and a second shielding layer overlapping the second semiconductor layer and stacked on the first shielding layer.
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公开(公告)号：US11569327B2
公开(公告)日：2023-01-31
申请号：US17085288
申请日：2020-10-30
发明人： Nayun Kwak , Chulkyu Kang , Daesuk Kim , Ilgoo Youn , Dongsun Lee , Soyoung Lee , Jieun Lee , Junyoung Jo , Minhee Choi
摘要： A display device includes a pixel circuit disposed on a substrate, and a display element on the pixel circuit. The pixel circuit includes a first thin-film transistor comprising a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, a second thin-film transistor comprising a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer, the second semiconductor layer being connected to the first semiconductor layer and the first gate electrode, a first shielding layer overlapping the second semiconductor layer, and a second shielding layer overlapping the second semiconductor layer and stacked on the first shielding layer.
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公开(公告)号：US11348992B2
公开(公告)日：2022-05-31
申请号：US16775545
申请日：2020-01-29
发明人： Soohee Oh , Chulkyu Kang , Kyunghoon Kim , Sunghwan Kim , Hyunchol Bang , Dongsun Lee
IPC分类号： H01L27/32 , G09G3/3225
摘要： A display apparatus includes a substrate, a driving thin-film transistor arranged on the substrate and including a driving semiconductor layer and a driving gate electrode, a first scanning line arranged on the first substrate and which extends in a first direction, a data line which extends in a second direction that intersects with the first direction, a node connection line arranged in the same layer as the first scanning line, and a shielding conductive layer arranged between the data line and the node connection line and disposed in the same layer as the driving gate electrode, where an end of the node connection line is connected to the driving gate electrode through a first node contact hole.
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公开(公告)号：US20210036067A1
公开(公告)日：2021-02-04
申请号：US16943297
申请日：2020-07-30
发明人： Sunghwan KIM , Chulkyu Kang , Soohee Oh , Dongsun Lee
IPC分类号： H01L27/32
摘要： A display panel includes a first unit pixel including a first pixel electrode for emitting red light, a first pixel electrode for emitting blue light, and a first pixel electrode for emitting green light. A second unit pixel neighbors the first unit pixel and includes a second pixel electrode for emitting red light, a second pixel electrode for emitting blue light, and a second pixel electrode for emitting green light. The first unit pixel further includes a first red emission layer disposed on the first pixel electrode for emitting red light. The second unit pixel further includes a second red emission layer disposed on the second pixel electrode for emitting red light. The first red emission layer is spaced apart from the second red emission layer in the first direction.
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公开(公告)号：US11145253B2
公开(公告)日：2021-10-12
申请号：US16506434
申请日：2019-07-09
发明人： Chul Kyu Kang , Sang Moo Choi , Soo Hee Oh , Dongsun Lee
IPC分类号： G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3283 , G09G3/3291 , G09G3/36
摘要： A display device includes a scan driver configured to provide a scan signal to the scan line, the scan signal having an ON voltage for turning on a transistor in a plurality of horizontal periods including a current horizontal period and at least one previous horizontal period corresponding to the scan signal, and a grayscale data processor configured to correct current grayscale data of a current pixel corresponding to the current horizontal period to generate correction grayscale data based on previous grayscale data of a previous pixel corresponding to the previous horizontal period, the current pixel included in a same pixel column as the previous pixel.
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公开(公告)号：US10741625B2
公开(公告)日：2020-08-11
申请号：US16352262
申请日：2019-03-13
发明人： Chulkyu Kang , Sangmoo Choi , Wonkyu Kwak , Jinwoo Park , Dongsun Lee
IPC分类号： G09G3/32 , H01L27/32 , H01L51/00 , G09G3/3233 , H01L29/786 , H01L27/12
摘要： A display apparatus includes a substrate including a display area; a first thin film transistor arranged on the display area of the substrate and having a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer by a first gate insulating layer; a second thin film transistor arranged on the display area of the substrate and having a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer; and a storage capacitor at least partially overlapping the first thin film transistor and having a lower electrode and an upper electrode, wherein the second semiconductor layer and one of the lower electrode and the upper electrode are arranged on a same layer.
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公开(公告)号：US20200027389A1
公开(公告)日：2020-01-23
申请号：US16513627
申请日：2019-07-16
发明人： Chul Kyu Kang , Sang Moo Choi , Dongsun Lee
IPC分类号： G09G3/325 , G09G3/3266
摘要： A display device includes: a display panel including: a scan line, a data line, and an emission control line; a pixel including: a plurality of transistors connected to the scan line, the data line and the emission control line; and an organic light-emitting diode driven by the plurality of transistors, and a scan driver configured to: in response to an image mode being a moving image mode, generate a first mode scan signal having a turning-on voltage of a transistor for a plurality of horizontal periods; and in response to the image mode being a static image mode, generate a second mode scan signal having the turning-on voltage for a single horizontal period.
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公开(公告)号：US20200013334A1
公开(公告)日：2020-01-09
申请号：US16506434
申请日：2019-07-09
发明人： Chul Kyu KANG , Sang Moo Choi , Soo Hee Oh , Dongsun Lee
IPC分类号： G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3283 , G09G3/3291 , G09G3/36
摘要： A display device includes a scan driver configured to provide a scan signal to the scan line, the scan signal having an ON voltage for turning on a transistor in a plurality of horizontal periods including a current horizontal period and at least one previous horizontal period corresponding to the scan signal, and a grayscale data processor configured to correct current grayscale data of a current pixel corresponding to the current horizontal period to generate correction grayscale data based on previous grayscale data of a previous pixel corresponding to the previous horizontal period, the current pixel included in a same pixel column as the previous pixel.
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公开(公告)号：US11985879B2
公开(公告)日：2024-05-14
申请号：US18312937
申请日：2023-05-05
发明人： Sunghwan Kim , Chulkyu Kang , Soohee Oh , Dongsun Lee
IPC分类号： H10K59/35 , H10K59/12 , H10K59/122 , H10K59/13 , H10K59/131
CPC分类号： H10K59/353 , H10K59/122 , H10K59/131
摘要： A display panel includes a first unit pixel including a first pixel electrode for emitting red light, a first pixel electrode for emitting blue light, and a first pixel electrode for emitting green light. A second unit pixel neighbors the first unit pixel and includes a second pixel electrode for emitting red light, a second pixel electrode for emitting blue light, and a second pixel electrode for emitting green light. The first unit pixel further includes a first red emission layer disposed on the first pixel electrode for emitting red light. The second unit pixel further includes a second red emission layer disposed on the second pixel electrode for emitting red light. The first red emission layer is spaced apart from the second red emission layer in the first direction.
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