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公开(公告)号：US10593888B2
公开(公告)日：2020-03-17
申请号：US15700344
申请日：2017-09-11
发明人： Sehun Kim , Sooyoung Park , Chihyun Ryoo , Illhun Cho , Junghoon Yang , Seyoung Jung , Hyein Jeong
IPC分类号： H01L51/50 , H01L51/00 , C07D265/38 , C07D213/16
摘要： A polycyclic compound and an organic light-emitting device including the same are provided. The polycyclic compound is represented by Formula 1:
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2.发明授权公开(公告)号：US10275094B2
公开(公告)日：2019-04-30
申请号：US15715590
申请日：2017-09-26
发明人： Keunwoo Kim , Sooyoung Park , Joonghyun Park
IPC分类号： G06F3/042 , G06F3/041 , H01L27/144
摘要： A photo sensor pixel includes a pixel circuit including a driving transistor, a switching transistor having a double gate structure and a photo sensing transistor connected in series with the switching transistor. The pixel circuit drives a light emitting element therein based on a data voltage provided thereto through a data line, the switching transistor includes a top gate electrode and a bottom gate electrode, which are connected to different gate lines, respectively, and the photo sensing transistor senses incident light.
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公开(公告)号：US11348522B2
公开(公告)日：2022-05-31
申请号：US17125732
申请日：2020-12-17
发明人： Keunwoo Kim , Sooyoung Park , Joonghyun Park , Dongwoo Kim , Kyoung-Ju Shin
IPC分类号： G09G3/30 , G09G3/3233 , G09G3/3283 , H05B45/60
摘要： A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signals; a first power supply to supply at least one driving voltage to the pixels; and a second power supply including an initial voltage terminal to supply an initial voltage to the pixels. The at least one pixel includes: a driving transistor connected between the first power supply and an anode electrode of an organic light emitting diode, a third transistor including an oxide transistor, the third transistor having a first electrode connected to the initial voltage terminal, a second electrode connected to the anode electrode, and first and second gate electrodes, each of which is connected to one of the scan lines, and a fourth transistor including a poly-silicon transistor, the fourth transistor having a first electrode connected to the first power supply, and a second electrode connected to a second electrode of the driving transistor.
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公开(公告)号：US10482817B2
公开(公告)日：2019-11-19
申请号：US15798812
申请日：2017-10-31
发明人： Keunwoo Kim , Sooyoung Park , Joonghyun Park , Dongwoo Kim , Kyoung-Ju Shin
IPC分类号： G09G3/36 , G09G3/3233 , G09G3/3283 , H05B33/08
摘要： A display device includes pixels configured to emit light of various intensity in accordance with driving signals, data lines, scan lines, and a power supply unit configured to supply at least one driving voltage to the pixels. At least one of the pixels may comprise a switching transistor having a first electrode connected to one of the data lines and a second electrode connected to a first node, and a gate electrode connected to one of the scan lines, a driving transistor connected between the power supply unit and an organic light emitting diode, a storage capacitor having a first terminal connected to the first node and a second terminal connected to a gate electrode of the driving transistor, and a first transistor connected between the first node and a first electrode of the driving transistor.
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公开(公告)号：US20180240982A1
公开(公告)日：2018-08-23
申请号：US15700344
申请日：2017-09-11
发明人： SEHUN KIM , Sooyoung Park , Chihyun Ryoo , Illhun Cho , Junghoon Yang , Seyoung Jung , Hyein Jeong
IPC分类号： H01L51/00 , C07D265/38 , C07D213/16
CPC分类号： H01L51/0071 , C07D213/16 , C07D265/38 , H01L51/0059
摘要： A polycyclic compound and an organic light-emitting device including the same are provided. The polycyclic compound is represented by Formula 1:
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公开(公告)号：US09746723B2
公开(公告)日：2017-08-29
申请号：US14836601
申请日：2015-08-26
发明人： Gunwoo Yang , Keunwoo Kim , Youngseung Kim , Sooyoung Park , Kichan Jeon , Munsoo Park
IPC分类号： G02F1/1343 , G02F1/1368 , G02F1/1337
CPC分类号： G02F1/134309 , G02F1/133707 , G02F1/1368 , G02F2001/134345 , G02F2201/40
摘要： A liquid crystal display (LCD) device improves an aperture ratio and stabilizing a storage voltage, including a first substrate; a second substrate opposed to the first substrate; a liquid crystal layer between the first substrate and the second substrate; a gate line and a data line on the first substrate; a semiconductor layer overlapping the gate line; a first drain electrode overlapping the gate line and the semiconductor layer and connected to the data line; a first source electrode overlapping the gate line and the semiconductor layer; a first sub-pixel electrode connected to the first source electrode; a second drain electrode overlapping the gate line and the semiconductor layer and connected to the first drain electrode; a second source electrode overlapping the gate line and the semiconductor layer; and a second sub-pixel electrode connected to the second source electrode. The second source electrode overlaps the gate line more than the first source electrode does.
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公开(公告)号：US20210104194A1
公开(公告)日：2021-04-08
申请号：US17125732
申请日：2020-12-17
发明人： Keunwoo Kim , Sooyoung Park , Joonghyun Park , Dongwoo Kim , Kyoung-Ju Shin
IPC分类号： G09G3/3233 , G09G3/3283
摘要： A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signals; a first power supply to supply at least one driving voltage to the pixels; and a second power supply including an initial voltage terminal to supply an initial voltage to the pixels. The at least one pixel includes: a driving transistor connected between the first power supply and an anode electrode of an organic light emitting diode, a third transistor including an oxide transistor, the third transistor having a first electrode connected to the initial voltage terminal, a second electrode connected to the anode electrode, and first and second gate electrodes, each of which is connected to one of the scan lines, and a fourth transistor including a poly-silicon transistor, the fourth transistor having a first electrode connected to the first power supply, and a second electrode connected to a second electrode of the driving transistor.
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公开(公告)号：US10910566B2
公开(公告)日：2021-02-02
申请号：US15892941
申请日：2018-02-09
发明人： Sehun Kim , Sooyoung Park , Jieon Kwon , Dawoon Kim , Chihyun Ryoo , Hyein Jeong
IPC分类号： H01L51/50 , H01L51/00 , C09K11/06 , C09K11/02 , C07F7/08 , C07D401/04 , C07D401/10 , C07D401/14 , H01L51/52
摘要： Provided are a heterocyclic compound and an organic light-emitting device including the same, the heterocyclic compound being represented by Formula 1:
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公开(公告)号：US10902778B2
公开(公告)日：2021-01-26
申请号：US16684686
申请日：2019-11-15
发明人： Keunwoo Kim , Sooyoung Park , Joonghyun Park , Dongwoo Kim , Kyoung-Ju Shin
IPC分类号： G09G3/36 , G09G3/3233 , G09G3/3283 , H05B45/00
摘要： A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signal; and a power supply to supply at least one driving voltage to the pixels. The at least one pixel includes: a switching transistor including an oxide transistor, the switching transistor having a first electrode connected to the data line, a second electrode connected to a first node, and first and second gate electrodes, each of which is connected to one of the scan lines, and a driving transistor including a poly-silicon transistor, and the driving transistor being connected between the power supply and an organic light emitting diode.
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公开(公告)号：US10807984B2
公开(公告)日：2020-10-20
申请号：US15870310
申请日：2018-01-12
发明人： Sehun Kim , Sooyoung Park , Junghoon Yang , Chihyun Ryoo , Hyein Jeong , Illhun Cho
IPC分类号： H01L51/50 , C07D487/04 , C07D519/00 , C09K11/06 , H01L51/00
摘要： A heterocyclic compound and an organic light-emitting device including the heterocyclic compound, the heterocyclic compound being represented by Formula 1:
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