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公开(公告)号：US12101967B2
公开(公告)日：2024-09-24
申请号：US17471849
申请日：2021-09-10
发明人： Keunwoo Kim , Meejae Kang , Thanh Tien Nguyen , Hyena Kwak , Jaehwan Chu
IPC分类号： H10K59/121 , H10K59/124 , H10K59/131
CPC分类号： H10K59/1216 , H10K59/124 , H10K59/131
摘要： A display device may include a substrate, a first transistor disposed on the substrate and including a first gate electrode, a first conductive pattern disposed on the first gate electrode such that the first conductive pattern and the first gate electrode constitute a first capacitor, a second conductive pattern disposed on the first capacitor, a third conductive pattern disposed on the second conductive pattern such that the third conductive pattern and the second conductive pattern constitute a second capacitor, and a light emitting structure disposed on the second capacitor.
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公开(公告)号：US11257887B2
公开(公告)日：2022-02-22
申请号：US16737653
申请日：2020-01-08
发明人： Thanh Tien Nguyen , Meejae Kang , Yongsu Lee , Sanggun Choi
IPC分类号： H01L27/14 , H01L27/32 , H01L27/12 , H01L29/786
摘要： A thin film transistor substrate includes: a substrate, a first electrode disposed on the substrate, a bank disposed on the substrate and having an inclined surface inclined at an angle with respect to the substrate, a second electrode disposed on the bank, an active pattern electrically connected to the first electrode and the second electrode, disposed on the inclined surface, and including a first conductive region and a second conductive region in which impurities are doped, and a channel region between the first conductive region and the second conductive region, and a gate electrode overlapping at least a portion of the channel region of the active pattern. The inclined surface extends in a first direction in a plan view. The first conductive region, the channel region, and the second conductive region are sequentially disposed on the inclined surface along a second direction that crosses the first direction.
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公开(公告)号：US11158261B2
公开(公告)日：2021-10-26
申请号：US16852848
申请日：2020-04-20
发明人： Keun Woo Kim , Mee Jae Kang , Hye Na Kwak , Han Bit Kim , Thanh Tien Nguyen , Yong Su Lee , Jae Seob Lee
IPC分类号： G09G3/325 , G09G3/3283 , G09G3/3266
摘要： A display device includes: a pixel including: a light emitting element connected between a first power source and a second power source; a first transistor connected between the first power source and the light emitting element to control a driving current, and including a first gate electrode connected to a first node and a second gate electrode connected to a bias control line; and a switching transistor connected between a data line and the first node, and including a gate electrode connected to a scan line; and a driving circuit to drive the pixel according to a driving frequency. The driving circuit drives the pixel in a first mode when the driving frequency is in a first range, and sequentially supplies a control signal having a first voltage and a second voltage to the bias control line during a light emission period of the pixel in the first mode.
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公开(公告)号：US10175792B2
公开(公告)日：2019-01-08
申请号：US14958787
申请日：2015-12-03
发明人： Min-sung Kim , Thanh Tien Nguyen , Kiju Im
摘要： A rollable display device includes a flexible display module configured to display an image, a roller configured to roll up the flexible display module, and a plurality of support block groups each including a plurality of support blocks on the flexible display module and arranged in a first direction crossing a second direction of a rolling axis of the roller, the plurality of support block groups including a first support block group including first support blocks, and a second support block group including second support blocks each having a width in the first direction that is greater than a width of a corresponding one of the first support blocks in the first direction, wherein the first support block group is between the roller and the second support block group.
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公开(公告)号：US11864423B2
公开(公告)日：2024-01-02
申请号：US17571895
申请日：2022-01-10
发明人： Thanh Tien Nguyen , Meejae Kang , Yongsu Lee , Sanggun Choi
IPC分类号： H01L27/14 , H10K59/121 , H01L27/12 , H01L29/786
CPC分类号： H10K59/1213 , H01L27/1262 , H01L29/78603 , H01L29/78642 , H01L27/1274
摘要： A thin film transistor substrate includes: a substrate, a first electrode disposed on the substrate, a bank disposed on the substrate and having an inclined surface inclined at an angle with respect to the substrate, a second electrode disposed on the bank, an active pattern electrically connected to the first electrode and the second electrode, disposed on the inclined surface, and including a first conductive region and a second conductive region in which impurities are doped, and a channel region between the first conductive region and the second conductive region, and a gate electrode overlapping at least a portion of the channel region of the active pattern. The inclined surface extends in a first direction in a plan view. The first conductive region, the channel region, and the second conductive region are sequentially disposed on the inclined surface along a second direction that crosses the first direction.
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公开(公告)号：US11508793B2
公开(公告)日：2022-11-22
申请号：US16859270
申请日：2020-04-27
发明人： Min-Sung Kim , Thanh Tien Nguyen , Ki Ju Im
IPC分类号： H01L27/32 , G09G3/3233
摘要： An organic light emitting diode display includes a flexible substrate including a folding area and a flat area, a first insulating layer on the flexible substrate having a first opening, a first conductor on the first insulating layer, and a second insulating layer covering the first conductor with the first insulating layer also having the first opening. The organic light emitting diode display further includes a second conductor on the second insulating layer, a third insulating layer covering the second conductor and the second insulating layer, and a filling material in the first opening. A thickness of the filling material in the first opening is less than a thickness from a bottom surface of the first insulating layer to an upper surface of the second insulating layer.
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公开(公告)号：US11164526B2
公开(公告)日：2021-11-02
申请号：US16811514
申请日：2020-03-06
发明人： Keun Woo Kim , Mee Jae Kang , Han Bit Kim , Thanh Tien Nguyen , Yong Su Lee , Jae Seob Lee
IPC分类号： G09G3/3266 , G09G3/3291
摘要： A display device including pixels is provided. Each of the pixels includes a first transistor having a gate electrode connected to a first node, a first electrode connected to a second node, and a second electrode connected to a third node, a second transistor having a gate electrode connected to a first scan line, a first electrode connected to a data line, and a second electrode connected to the second node, and a third transistor having a first gate electrode connected to the first scan line, a second gate electrode, a first electrode connected to the first node, and a second electrode connected to the third node. The second gate electrode may be in a floating state, and the third transistor may be aged to alleviate a leakage current in order to improve image generation.
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公开(公告)号：US10896943B2
公开(公告)日：2021-01-19
申请号：US15376412
申请日：2016-12-12
发明人： Min-Sung Kim , Thanh Tien Nguyen , Jae Seob Lee , Ki Ju Im
IPC分类号： H01L27/32 , H05B33/02 , G06F3/041 , H01L51/00 , H05B33/10 , H01L51/52 , G09G3/3225 , G09G3/3266 , G09G3/3275
摘要： A display device is disclosed. In one aspect, the display device includes a flexible substrate including a first region, a second region separated from the first region, and a bending region positioned between the first and second regions. The bending region is configured to be bent so as to have a plurality of different curvatures depending on degrees of bending of the flexible substrate. The display device also includes a first display unit positioned in the first region, a second display unit separated from the first display unit and positioned in the second region and an encapsulation layer positioned over the flexible substrate with the first and second display units interposed therebetween. The encapsulation layer directly contacts the bending region of the flexible substrate.
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公开(公告)号：US10038041B2
公开(公告)日：2018-07-31
申请号：US15261787
申请日：2016-09-09
发明人： Thanh Tien Nguyen , Min-Sung Kim , Jae Seob Lee , Ki Ju Im
IPC分类号： H01L27/32 , H01L51/00 , G09G3/3225
CPC分类号： H01L27/3258 , G09G3/3225 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0262 , G09G2380/02 , H01L51/0097 , Y02E10/549 , Y02P70/521
摘要： A display device and a method of manufacturing the same are disclosed. In one aspect, the display device includes a flexible substrate, a thin film transistor (TFT) disposed over the flexible substrate, a first electrode disposed over the TFT, and a second electrode disposed over the first electrode. The flexible substrate includes a first incompressible liquid layer.
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公开(公告)号：US11437455B2
公开(公告)日：2022-09-06
申请号：US16856780
申请日：2020-04-23
发明人： Keun Woo Kim , Hye Na Kwak , Doo Na Kim , Sang Sub Kim , Thanh Tien Nguyen , Yong Su Lee , Jae Hwan Chu
IPC分类号： G09G3/3233 , H01L27/32 , H01L27/12 , H01L29/786 , H01L29/66
摘要： A display device includes a pixel disposed in a display region. The pixel includes a light-emitting element connected between a first power source and a second power source; a first transistor connected between the first power source and the light-emitting element to control a driving current flowing in the light-emitting element in response to a voltage of a first node; and at least one switching transistor to transmit a data signal or a voltage of an initialization power source to the first node. The switching transistor includes a first channel region, a first conductive region and a second conductive region which are respectively disposed at opposite sides of the first channel region, and a first wide band-gap region disposed between the first channel region and the second conductive region.
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