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公开(公告)号：US20240321216A1
公开(公告)日：2024-09-26
申请号：US18609591
申请日：2024-03-19
发明人： Junhyun Park , Hyeongseok Kim , Heejean Park , Sunhwa Lee , Mukyung Jeon
IPC分类号： G09G3/3266
CPC分类号： G09G3/3266 , G09G2300/0819 , G09G2310/08
摘要： A gate driving circuit is provided. Each stage of the gate driving circuit includes a first node controller configured to control a voltage level of a first node connected to a gate of a pull-down transistor, and a second node controller configured to control a voltage level of a second node connected to a gate of a pull-up transistor, wherein the first node controller comprises a first circuit and a second circuit, wherein the first circuit is connected between the first node and an input terminal to which a start signal is input, and configured to transfer the start signal to the first node, and the second circuit is connected between the input terminal and the first node, and may be configured to boost a voltage level of a voltage of the first node.
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公开(公告)号：US20240224597A1
公开(公告)日：2024-07-04
申请号：US18400339
申请日：2023-12-29
发明人： Hyeongseok Kim , Junhyun Park , Heejean Park , Sunhwa Lee , Danwon Lim , Mukyung Jeon
IPC分类号： H10K59/121 , G09G3/3233 , H10K59/131
CPC分类号： H10K59/1216 , G09G3/3233 , H10K59/131 , G09G2300/0819 , G09G2300/0852 , G09G2310/0262
摘要： A display apparatus includes a substrate, a first transistor including a first semiconductor layer on the substrate and a first electrode overlapping the first semiconductor layer, a first capacitor including the first electrode and a second electrode, the second electrode overlapping the first electrode, a second capacitor including the second electrode and a third electrode, the third electrode overlapping the second electrode, a first connection electrode and a second connection electrode disposed on the third electrode, wherein the third electrode includes a first opening, and a portion of the first connection electrode and a portion of the second connection electrode are adjacent to each other, are spaced apart from each other, and overlap the first opening.
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公开(公告)号：US11723242B2
公开(公告)日：2023-08-08
申请号：US17022395
申请日：2020-09-16
发明人： Junhyun Park , Hyeongseok Kim , Youngwan Seo , Yujin Lee , Cheolgon Lee
IPC分类号： H10K59/131 , H10K59/40 , H10K59/124 , H10K59/121
CPC分类号： H10K59/131 , H10K59/124 , H10K59/1213 , H10K59/40
摘要： A display apparatus includes a first display area including a plurality of pixel areas, and a second display area including a plurality of pixel areas and a plurality of transmission areas and arranged adjacent to the first display area. The plurality of pixel areas each includes sub-pixels each including a pixel circuit and an organic light-emitting device electrically connected to the pixel circuit. The pixel circuit includes a thin-film transistor and an inorganic insulating layer on the thin-film transistor, and the thin-film transistor includes a semiconductor layer and a gate electrode. The organic insulated layer extends in the transmission areas. The second display area defines a dummy contact hole which passes through the inorganic insulating layer in at least one of the pixel areas and the transmission areas.
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公开(公告)号：US11562687B2
公开(公告)日：2023-01-24
申请号：US17532220
申请日：2021-11-22
发明人： Junhyun Park , Seon Young Choi , Sunhwa Lee
IPC分类号： G09G3/32
摘要： A pixel includes a light emitting element, a data write switching element, a driving switching element, a light emitting element initialization switching element and a boosting capacitor. The data write switching element is configured to receive a data voltage from the outside. The driving switching element is configured to apply a driving current to the light emitting element based on the data voltage. The light emitting element initialization switching element is configured to apply an initialization voltage to a first electrode of the light emitting element. The boosting capacitor includes a first electrode connected to a control electrode of the light emitting element initialization switching element and a second electrode connected to an output electrode of the data write switching element.
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公开(公告)号：US11487382B2
公开(公告)日：2022-11-01
申请号：US17210011
申请日：2021-03-23
发明人： Junhyun Park , Dongwoo Kim , Sunkwang Kim , Kangmoon Jo
IPC分类号： G06F3/041 , H01L27/32 , G06F3/044 , G09G3/3225
摘要： A display device includes a base substrate and an input detection unit. The base substrate includes a front surface and a rear surface that face each other, an active area, a peripheral area adjacent to the active area, a module hole in the active area, a routing area that surrounds the module hole, and a depression pattern that surrounds the module hole between the routing area and the module hole. The input detection unit includes first touch sensor units along a first direction, a first connection part that connects adjacent first touch sensor units, second touch sensor units arranged in a second direction that intersects the first direction, a second connection part that connects adjacent second touch sensor units; and a bridge line disposed in the routing area and connected to second touch sensor units adjacent to each other in the second direction with the module hole therebetween.
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公开(公告)号：US11024697B2
公开(公告)日：2021-06-01
申请号：US16717171
申请日：2019-12-17
发明人： Junhyun Park , Dongwoo Kim , Sungjae Moon , Kangmoon Jo
摘要： A display apparatus includes a base substrate that includes a display area in which pixels are formed and a peripheral area that is a non-display area that surrounds the display area, a first conductive pattern layer disposed on the base substrate, a first insulating layer disposed on the first conductive pattern layer, a second conductive pattern layer disposed on the first insulating layer, a second insulating layer disposed on the second conductive pattern layer, and a third conductive pattern layer disposed on the second insulating layer. The peripheral area includes a first wiring area and a circuit area.
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公开(公告)号：US10789906B2
公开(公告)日：2020-09-29
申请号：US15006000
申请日：2016-01-25
发明人： Junhyun Park , Jonghee Kim , Sunghwan Kim , Jaekeun Lim , Chongchul Chai
摘要： A gate driving circuit includes a plurality of driving stages, wherein an ith (where i is a natural number of 2 or more) driving stage among the plurality of driving stages includes: a output unit outputting an ith output signal including a high voltage generated based on a clock signal in response to a low voltage at a Q-node; a stabilization unit providing the low voltage to the Q-node in response to a switching signal applied to an A-node after the ith output signal is outputted; and an inverter unit outputting the switching signal for controlling the stabilization unit to the A-node.
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公开(公告)号：US20170186394A1
公开(公告)日：2017-06-29
申请号：US15247896
申请日：2016-08-25
发明人： Junhyun Park , Sunghwan KIM , Kyoungju Shin
IPC分类号： G09G3/36
CPC分类号： G09G3/3688 , G09G3/3677 , G09G3/3696 , G09G2300/0426 , G09G2300/0452 , G09G2310/0286 , G09G2310/08 , G09G2320/0214
摘要： A gate driving circuit in a display device includes a plurality of stages connected in cascade. An ith stage from among the plurality of stages includes a first output unit, a control unit, a pull-down unit, and an inverter unit. The first output unit includes a first output transistor including a first control electrode, a second control electrode overlapping with the first control electrode, an input electrode, and an output electrode. A signal outputted from an inverter unit of an i−1th stage is applied to the second control electrode.
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公开(公告)号：US12106706B2
公开(公告)日：2024-10-01
申请号：US18224079
申请日：2023-07-20
发明人： Minjae Jeong , Jangmi Kang , Hyeongseok Kim , Junhyun Park , Mukyung Jeon
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0842 , G09G2310/0267 , G09G2310/0275 , G09G2310/061
摘要： A pixel of a display device includes a first transistor including a top gate coupled to a first node, a first terminal, a second terminal coupled to a second node, and a bottom gate, a second transistor including a gate coupled to a writing signal line, a first terminal coupled to a data line, and a second terminal coupled to the first node, a storage capacitor coupled between the first node and the second node, a light emitting element coupled between the second node and a second power supply voltage line, and a seventh transistor including a gate coupled to an initialization signal line, a first terminal coupled to a bias voltage line, and a second terminal coupled to the bottom gate.
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公开(公告)号：US11961455B2
公开(公告)日：2024-04-16
申请号：US18066977
申请日：2022-12-15
发明人： Junhyun Park , Jangmi Kang , Hyeongseok Kim , Minjae Jeong , Mukyung Jeon
CPC分类号： G09G3/32 , G09G3/006 , G09G2300/0426 , G09G2300/0842 , G09G2310/0275 , G09G2330/12
摘要： A pixel circuit includes: a light emitting element; a driving transistor to generate a driving current; a write transistor including a control electrode to receive a write gate signal, a first electrode to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor; a first compensation transistor including a control electrode to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor; the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor; and a test transistor including a control electrode, a first electrode to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor.
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