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公开(公告)号：US11158700B2
公开(公告)日：2021-10-26
申请号：US15852016
申请日：2017-12-22
Applicant: LG Display Co., Ltd.
Inventor： Jung-Sun Beak , Jeong-Oh Kim , Jong-Won Lee , Dong-Kyu Lee
Abstract: Disclosed is a display device with high resolution. The display device includes a substrate, a plurality of signal lines on the substrate, multiple buffer layers including at least one organic buffer layer and at least one inorganic buffer layer, and at least one transistor that overlaps one or more of the plurality of signal lines, with the multiple buffer layers interposed therebetween. Accordingly, it may be possible to ensure a sufficient process margin and consequently to realize a high resolution and improve production yield.
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公开(公告)号：US10276643B2
公开(公告)日：2019-04-30
申请号：US15798517
申请日：2017-10-31
Applicant: LG Display Co., Ltd.
Inventor： Jeong-Oh Kim , Jung-Sun Beak , Jong-Won Lee , Dong-Kyu Lee
Abstract: Disclosed are an organic light emitting display device which may implement high resolution and a method of manufacturing the same. A storage capacitor disposed on a substrate overlaps a plurality of transistors connected to a light emitting element with at least one buffer layer including an organic buffer layer interposed therebetween and, thus, a sufficient process margin may be assured, high resolution may be implemented and yield may be improved.
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公开(公告)号：US20180182836A1
公开(公告)日：2018-06-28
申请号：US15852016
申请日：2017-12-22
Applicant: LG Display Co., Ltd.
Inventor： Jung-Sun Beak , Jeong-Oh Kim , Jong-Won Lee , Dong-Kyu Lee
CPC classification number: H01L27/3276 , H01L27/124 , H01L27/1248 , H01L27/1255 , H01L27/1262 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/3262 , H01L27/3265 , H01L28/60 , H01L2227/323
Abstract: Disclosed is a display device with high resolution. The display device includes a substrate, a plurality of signal lines on the substrate, multiple buffer layers including at least one organic buffer layer and at least one inorganic buffer layer, and at least one transistor that overlaps one or more of the plurality of signal lines, with the multiple buffer layers interposed therebetween. Accordingly, it may be possible to ensure a sufficient process margin and consequently to realize a high resolution and improve production yield.
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公开(公告)号：US20180122886A1
公开(公告)日：2018-05-03
申请号：US15798517
申请日：2017-10-31
Applicant: LG Display Co., Ltd.
Inventor： Jeong-Oh Kim , Jung-Sun Beak , Jong-Won Lee , Dong-Kyu Lee
CPC classification number: H01L27/3265 , H01L27/12 , H01L27/3262 , H01L27/3276 , H01L28/60 , H01L51/56 , H01L2227/323
Abstract: Disclosed are an organic light emitting display device which may implement high resolution and a method of manufacturing the same. A storage capacitor disposed on a substrate overlaps a plurality of transistors connected to a light emitting element with at least one buffer layer including an organic buffer layer interposed therebetween and, thus, a sufficient process margin may be assured, high resolution may be implemented and yield may be improved.
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公开(公告)号：US11301100B2
公开(公告)日：2022-04-12
申请号：US16990522
申请日：2020-08-11
Applicant: LG Display Co., Ltd.
Inventor： Sang-Hyuk Won , Min-Joo Kim , Chang-Hyun Song , Yong-Il Kim , Jong-Won Lee
Abstract: A thin and lightweight display device is disclosed. An organic light-emitting display device having a touch sensor is configured such that an outer planarization layer fills a space between a plurality of dams, thereby preventing a short circuit between routing lines in the space between the dams, and such that touch electrodes are disposed on an encapsulation structure for encapsulating a light-emitting element, with the result that an additional bonding process is not required, whereby the process is simplified and cost is reduced.
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Patent Agency Ranking
公开(公告)号：US10692893B2
公开(公告)日：2020-06-23
申请号：US16544743
申请日：2019-08-19
Applicant: LG Display Co., Ltd.
Inventor： Jong-Won Lee , Jeong-Oh Kim , Jung-Ho Bang
Abstract: A substrate for a display device and a display device including the same are disclosed. The substrate includes a first thin-film transistor including an oxide semiconductor layer, a second thin-film transistor spaced apart from the first thin-film transistor and including a polycrystalline semiconductor layer, and a storage capacitor including at least two storage electrodes. One of the at least two storage electrodes is located in the same layer and is formed of the same material as a gate electrode of the second thin-film transistor that is disposed under the polycrystalline semiconductor layer, and another one of the at least two storage electrodes is located above the polycrystalline semiconductor layer with at least one insulation film interposed therebetween. Accordingly, lower power consumption and a larger area of the substrate are realized.
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公开(公告)号：US10672339B2
公开(公告)日：2020-06-02
申请号：US15837286
申请日：2017-12-11
Applicant: LG Display Co., Ltd.
Inventor： Jung-Sun Beak , Jeong-Oh Kim , Jong-Won Lee , Dong-Kyu Lee
IPC: G09G3/3258 , H01L27/32 , H01L51/52 , H01L27/12
Abstract: Disclosed is an organic light-emitting display device capable of realizing a high resolution. The organic light-emitting display device includes a storage capacitor disposed on a substrate, which overlaps at least one transistor, with at least one buffer layer interposed therebetween, the at least one buffer layer disposed on the storage capacitor, and which includes a lower storage electrode and an upper storage electrode overlapping the lower storage electrode, with a storage buffer layer interposed therebetween, and a light-emitting diode connected to the transistor. One of the lower storage electrode and the upper storage electrode is formed to have the same line width and the same shape as the storage buffer layer, thereby ensuring a sufficient process margin and consequently realizing a high resolution and improving production yield.
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公开(公告)号：US10651258B2
公开(公告)日：2020-05-12
申请号：US16559190
申请日：2019-09-03
Applicant: LG Display Co., Ltd.
Inventor： Jung-Sun Beak , Jeong-Oh Kim , Jong-Won Lee
Abstract: Disclosed are an organic light emitting display device to improve an aperture ratio, and a method of manufacturing the same. The organic light emitting display device includes a plurality of contact holes overlapping an anode of an organic light emitting element in each sub-pixel region, wherein conductive films connected through at least one of the contact holes are transparent, thus allowing regions, where the contact holes are formed, to be used as light emitting regions, thereby improving an aperture ratio.
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公开(公告)号：US10340320B2
公开(公告)日：2019-07-02
申请号：US15809946
申请日：2017-11-10
Applicant: LG Display Co., Ltd.
Inventor： Jong-Won Lee , Jung-Ho Bang
IPC: H01L27/32 , H01L27/12 , H01L29/786
Abstract: A substrate for a display device and a display device including the same are disclosed. The substrate includes a first thin-film transistor including an oxide semiconductor layer, a second thin-film transistor spaced apart from the first thin-film transistor and including a polycrystalline semiconductor layer, and a storage capacitor including at least two storage electrodes. One of the at least two storage electrodes is located in the same plane and is formed of the same material as gate electrodes of the first thin-film transistor and the second thin-film transistor, and another one of the at least two storage electrodes is located in the same plane and is formed of the same material as source and drain electrodes of the first thin-film transistor and the second thin-film transistor. Accordingly, lower power consumption and a larger area of the substrate are realized.
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公开(公告)号：US10147776B2
公开(公告)日：2018-12-04
申请号：US15608452
申请日：2017-05-30
Applicant: LG Display Co., Ltd.
Inventor： Seung-Hee Nam , Jeong-Oh Kim , Jung-Ho Bang , Jung-Sun Beak , Jong-Won Lee
Abstract: Disclosed are a display device and a method of manufacturing the same. In the disclosed display device, a pad cover electrode disposed on a pad area comes into contact with an upper surface and a side surface of a pad electrode since a planarization layer is disposed on an active area excluding the pad area, which may prevent contact failure between the pad cover electrode and a conductive ball. In addition, in the display device, a first electrode, which is connected to a thin film transistor via a pixel connection electrode, is formed via the same mask process as the planarization layer so that it has a line width similar to that of the planarization layer and overlaps the planarization layer, which may simplify a structure and a manufacturing process.
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