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公开(公告)号：US11211588B2
公开(公告)日：2021-12-28
申请号：US16689627
申请日：2019-11-20
Applicant: LG Display Co., Ltd.
Inventor： Hyeongjun Lim , Wooram Youn , Minki Kim
Abstract: An electroluminescent display device includes: a substrate, a first subpixel on the substrate, a second subpixel on the substrate, a third subpixel on the substrate, a respective first electrode in each of the first to third subpixels, an emission layer on the first electrodes, a common second electrode on the emission layer, an encapsulation layer including: a first encapsulation layer on the second electrode, and a second encapsulation layer on the first encapsulation layer, and a first semi-transmissive layer between the first encapsulation layer and the second encapsulation layer, the first semi-transmissive layer overlapping the first electrode of the first subpixel.
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公开(公告)号：US11227905B2
公开(公告)日：2022-01-18
申请号：US16700152
申请日：2019-12-02
Applicant: LG Display Co., Ltd.
Inventor： YoungMi Kim , Wooram Youn
IPC: H01L27/32
Abstract: A display device is disclosed, which is capable of preventing a leakage current between neighboring pixels. The display device includes a substrate including a first sub pixel and a second sub pixel, first electrodes patterned in the respective first and second sub pixel on the substrate, a bankwall provided between the first electrodes, a bank provided to cover an end of the first electrode and configured to expose some portions of the first electrode, an emission layer provided on the bankwall and the bank, and configured to include a first stack, a second stack, and a charge generation layer disposed between the first stack and the second stack, and a second electrode provided on the emission layer, wherein the emission layer includes a disconnected area in which the charge generation layer is disconnectedly provided by the bankwall.
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Patent Agency Ranking
公开(公告)号：US09978814B2
公开(公告)日：2018-05-22
申请号：US15296941
申请日：2016-10-18
Applicant: LG DISPLAY CO., LTD.
Inventor： Jihyang Jang , KangJu Lee , SeungRyong Joung , Hansun Park , Sookang Kim , Soyoung Jo , Seongsu Jeon , Wonhoe Koo , Hyunsoo Lim , JeaHo Park , Mingeun Choi , Hyunjoo Kim , Wooram Youn
CPC classification number: H01L27/3213 , H01L27/322 , H01L27/3272 , H01L51/5275 , H01L51/56
Abstract: An organic light-emitting display device. A substrate is divided into a plurality of subpixels generating different colors of light. A light leakage prevention layer is disposed on a portion of the substrate corresponding to a light-emitting area of at least one subpixel of the plurality of subpixels. An overcoat layer is disposed on a portion of the substrate corresponding to at least one subpixel of the plurality of subpixels, and includes microlenses having a plurality of concave portions or a plurality of convex portions. An organic electroluminescent device is disposed on the overcoat layer.
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公开(公告)号：US10396129B2
公开(公告)日：2019-08-27
申请号：US15965705
申请日：2018-04-27
Applicant: LG DISPLAY CO., LTD.
Inventor： Jihyang Jang , KangJu Lee , SeungRyong Joung , Hansun Park , Sookang Kim , Soyoung Jo , Seongsu Jeon , Wonhoe Koo , Hyunsoo Lim , JeaHo Park , Mingeun Choi , Hyunjoo Kim , Wooram Youn
Abstract: An organic light-emitting display device. A substrate is divided into a plurality of subpixels generating different colors of light. A light leakage prevention layer is disposed on a portion of the substrate corresponding to a light-emitting area of at least one subpixel of the plurality of subpixels. An overcoat layer is disposed on a portion of the substrate corresponding to at least one subpixel of the plurality of subpixels, and includes microlenses having a plurality of concave portions or a plurality of convex portions. An organic electroluminescent device is disposed on the overcoat layer.
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公开(公告)号：US11367850B2
公开(公告)日：2022-06-21
申请号：US16704284
申请日：2019-12-05
Applicant: LG Display Co., Ltd.
Inventor： Pureum Kim , Wooram Youn , YoungMi Kim
Abstract: An electroluminescent display device includes a substrate including a first sub pixel, a second sub pixel, and a third sub pixel, a first electrode in each of the first to third sub pixels on the substrate, an emission layer on the first electrode, and a second electrode on the emission layer, wherein the first sub pixel is provided with a first emission area including a first sub emission area and a second sub emission area, and the first sub emission area is configured to emit mixed light of first colored light and second colored light, wherein the second colored light is different from the first colored light, and the second sub emission area is configured to emit the second colored light.
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公开(公告)号：US10748975B2
公开(公告)日：2020-08-18
申请号：US16521984
申请日：2019-07-25
Applicant: LG Display Co., Ltd.
Inventor： Wooram Youn , Jaehyung Yu
Abstract: A display device includes a substrate with a first subpixel area and a second subpixel area adjacent to one side of the first subpixel area; an insulating layer on the substrate having a first recessed portion on the first subpixel area, a second recessed portion on the second subpixel area and a convex portion between the first recessed portion and the second recessed portion; a reflective electrode on the insulating layer including first and second reflective electrodes on the first and second recessed portions, respectively; a first electrode including a first sub electrode on the first reflective electrode and a second sub electrode on the second reflective electrode; an organic light emitting layer on the first electrode; a bank provided between the first subpixel area and the second subpixel area while covering an end of the first electrode; a second electrode on the organic light emitting layer; and a light path change structure on the second electrode while being overlapping the bank.
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公开(公告)号：US20200185650A1
公开(公告)日：2020-06-11
申请号：US16689627
申请日：2019-11-20
Applicant: LG Display Co., Ltd.
Inventor： Hyeongjun Lim , Wooram Youn , Minki Kim
Abstract: An electroluminescent display device includes: a substrate, a first subpixel on the substrate, a second subpixel on the substrate, a third subpixel on the substrate, a respective first electrode in each of the first to third subpixels, an emission layer on the first electrodes, a common second electrode on the emission layer, an encapsulation layer including: a first encapsulation layer on the second electrode, and a second encapsulation layer on the first encapsulation layer, and a first semi-transmissive layer between the first encapsulation layer and the second encapsulation layer, the first semi-transmissive layer overlapping the first electrode of the first subpixel.
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