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公开(公告)号：US10950819B2
公开(公告)日：2021-03-16
申请号：US16211518
申请日：2018-12-06
Applicant: LG Display Co., Ltd.
Inventor： Sejin Kim
Abstract: An electroluminescence display device includes: a first substrate and a second substrate facing each other, a bank configured to define a plurality of emission areas on the first substrate, a light-emitting layer including: a first light-emitting layer in a first emission area among the plurality of emission areas, a second light-emitting layer in a second emission area among the plurality of emission areas, and a third light-emitting layer in a third emission area among the plurality of emission areas, a first dam at an outer portion of the bank, a second dam at an outer portion of the first dam, a dummy light-emitting layer between the first dam and the second dam, and a sealant overlapping the dummy light-emitting layer, the sealant being between the first dam and the second dam.
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公开(公告)号：US10727292B2
公开(公告)日：2020-07-28
申请号：US16222558
申请日：2018-12-17
Applicant: LG DISPLAY CO., LTD.
Inventor： Sungmoo Kim , Jinah Kwak , Sejin Kim
Abstract: Discussed is an electroluminescence display apparatus for preventing the performance, efficiency, and lifetime of a device from being reduced. The electroluminescence display apparatus includes a substrate including an active area including a plurality of pixels, a circuit element layer disposed on the substrate, a first electrode disposed on the circuit element layer, an auxiliary electrode disposed on the circuit element layer and spaced apart from the first electrode, a first light emitting layer disposed on the first electrode, a buffer layer disposed on the first light emitting layer, a second light emitting layer disposed on the buffer layer and the auxiliary electrode, and a second electrode disposed on the second light emitting layer. In the electroluminescence display apparatus, since the buffer layer is formed on the first light emitting layer through an inkjet process, the buffer layer can be provided on only the first light emitting layer, and thus, the buffer layer can be formed of an organic material, thereby enhancing the device performance of a blue pixel.
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公开(公告)号：US10943962B2
公开(公告)日：2021-03-09
申请号：US16216209
申请日：2018-12-11
Applicant: LG Display Co., Ltd.
Inventor： TaeKung Ryoo , Kyoungji Bae , Hyuk-Chan Gee , Jinah Kwak , Sejin Kim , Sungmoo Kim
Abstract: Disclosed is an electroluminescence display apparatus. The electroluminescence display apparatus includes a substrate, a bank provided to define a plurality of emission areas on the substrate, and a first light emitting layer provided in a first emission area of the plurality of emission areas, and a second light emitting layer provided in a second emission area of the plurality of emission areas. An anti-spread part is provided on an upper surface of the bank disposed between the first light emitting layer and the second light emitting layer.
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公开(公告)号：US20190189711A1
公开(公告)日：2019-06-20
申请号：US16216209
申请日：2018-12-11
Applicant: LG Display Co., Ltd.
Inventor： TaeKung Ryoo , Kyoungji Bae , Hyuk-Chan Gee , Jinah Kwak , Sejin Kim , Sungmoo Kim
CPC classification number: H01L27/3246 , H01L51/0005 , H01L51/5036 , H01L51/5206 , H01L51/5221
Abstract: Disclosed is an electroluminescence display apparatus. The electroluminescence display apparatus includes a substrate, a bank provided to define a plurality of emission areas on the substrate, and a first light emitting layer provided in a first emission area of the plurality of emission areas, and a second light emitting layer provided in a second emission area of the plurality of emission areas. An anti-spread part is provided on an upper surface of the bank disposed between the first light emitting layer and the second light emitting layer.
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