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公开(公告)号：US11227903B2
公开(公告)日：2022-01-18
申请号：US16656267
申请日：2019-10-17
Applicant: LG Display Co., Ltd.
Inventor： Seong-Joo Lee , Jeong-Oh Kim , Jung-Sun Beak
Abstract: Disclosed are an organic light emitting display device to improve optical efficiency and prevent deterioration in reliability of thin film transistors, and a method of manufacturing the same. The organic light emitting display device includes a mirror wall which is disposed on a substrate such that the mirror wall surrounds a light emitting area of each sub-pixel where a light emitting element is disposed, thus preventing total reflection of light produced in the light emitting element and improving optical efficiency by reflecting light travelling toward a non-emitting area to be directed to the light emitting area.
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2.发明授权公开(公告)号：US09589989B2
公开(公告)日：2017-03-07
申请号：US14539469
申请日：2014-11-12
Applicant: LG DISPLAY CO., LTD.
Inventor： Jeong-Oh Kim , Yong-Il Kim
IPC: H01L27/12 , H01L29/45 , H01L29/49 , H01L29/786 , G02F1/1343 , G02F1/1333 , G02F1/1362 , G02F1/1368
CPC classification number: H01L27/124 , G02F1/133345 , G02F1/134363 , G02F1/13439 , G02F1/136227 , G02F1/136286 , G02F1/1368 , G02F2001/134372 , H01L27/1222 , H01L27/1248 , H01L27/1288 , H01L29/458 , H01L29/4908 , H01L29/495 , H01L29/4966 , H01L29/78669
Abstract: An array substrate for a liquid crystal display (LCD) device include: a substrate; a gate line formed in one direction on one surface of the substrate; a data line crossing the gate line to define a pixel area; a thin film transistor (TFT) configured at a crossing of the gate line and the data line; a pixel electrode formed at a pixel region of the substrate; an insulating film formed on the entire surface of the substrate including the pixel electrode and the TFT, including a first insulating film formed of a high temperature silicon nitride film and a second insulating film formed of a low temperature silicon nitride film, and having a contact hole having an undercut shape exposing the pixel electrode; a pixel electrode connection pattern formed within the contact hole having an undercut shape and connected with the pixel electrode and the TFT; and a plurality of common electrodes separately formed on the insulating film.
Abstract translation: 液晶显示器（LCD）装置用阵列基板包括：基板; 在所述基板的一个表面上沿一个方向形成的栅极线; 穿过所述栅极线以限定像素区域的数据线; 薄膜晶体管（TFT），其配置在所述栅极线与所述数据线的交叉处; 形成在所述基板的像素区域的像素电极; 在包括像素电极和TFT的基板的整个表面上形成的绝缘膜，包括由高温氮化硅膜形成的第一绝缘膜和由低温氮化硅膜形成的第二绝缘膜，并且具有接触 具有露出像素电极的底切形状的孔; 在所述接触孔内形成有与所述像素电极和所述TFT连接的底切形状的像素电极连接图案; 以及分别形成在绝缘膜上的多个公共电极。
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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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Patent Agency Ranking
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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公开(公告)号：US20180166015A1
公开(公告)日：2018-06-14
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 , H01L51/52 , H01L27/32
CPC classification number: G09G3/3258 , H01L27/1218 , H01L27/1288 , H01L27/3246 , H01L27/3262 , H01L27/3265 , H01L27/3276 , H01L51/5203
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：US11620012B2
公开(公告)日：2023-04-04
申请号：US17535222
申请日：2021-11-24
Applicant: LG Display Co., Ltd.
Inventor： Chang-Hyun Song , Jeong-Oh Kim
Abstract: Disclosed is a display device capable of reducing the thickness and the weigh thereof. A display device having a touch sensor realizes electrical connection of a routing line and a touch pad via an auxiliary conductive layer, which is connected to the routing line under an encapsulation unit, even if a disconnection fault occurs in the routing line, thereby achieving increased yield and reliability. In addition, through the provision of a touch sensor disposed above the encapsulation unit, a separate attachment process is unnecessary, which results in a simplified manufacturing process and reduced costs.
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公开(公告)号：US10431599B2
公开(公告)日：2019-10-01
申请号：US15833803
申请日：2017-12-06
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：US10403696B2
公开(公告)日：2019-09-03
申请号：US16106828
申请日：2018-08-21
Applicant: LG Display Co., Ltd.
Inventor： Kyoung-Jin Nam , Jeong-Oh Kim , Yong-Min Kim
Abstract: Disclosed are an organic light emitting display device improving opening ratio and a method of fabricating the same. The organic light emitting display device includes a light emitting device disposed at each sub-pixel of a substrate, a pixel circuit driving the light emitting device, a bank providing a first light emitting region at a remaining region except for a region where the pixel circuit is disposed, and a second light emitting region at the region where the pixel circuit is disposed, and a color filter disposed at the first and second light emitting regions, wherein at least one of electrodes included in the pixel circuit includes a transparent conductive layer at the second light emitting region.
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